EP2979044B1 - Temperature-controlled storage systems - Google Patents

Temperature-controlled storage systems Download PDF

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Publication number
EP2979044B1
EP2979044B1 EP14775659.7A EP14775659A EP2979044B1 EP 2979044 B1 EP2979044 B1 EP 2979044B1 EP 14775659 A EP14775659 A EP 14775659A EP 2979044 B1 EP2979044 B1 EP 2979044B1
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EP
European Patent Office
Prior art keywords
vapor
container
conduit
valve
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14775659.7A
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German (de)
English (en)
French (fr)
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EP2979044A1 (en
EP2979044A4 (en
Inventor
Philip A. ECKHOFF
William Gates
Roderick A. Hyde
Edward K.Y. Jung
Nathan P. Myhrvold
Nels R. Peterson
Clarence T. Tegreene
Charles Whitmer
Lowell L. Wood
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokitae LLC
Original Assignee
Tokitae LLC
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Priority claimed from US13/853,245 external-priority patent/US9140476B2/en
Application filed by Tokitae LLC filed Critical Tokitae LLC
Publication of EP2979044A1 publication Critical patent/EP2979044A1/en
Publication of EP2979044A4 publication Critical patent/EP2979044A4/en
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Publication of EP2979044B1 publication Critical patent/EP2979044B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
    • F25B17/08—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/04—Arrangement or mounting of control or safety devices for sorption type machines, plants or systems
    • F25B49/046—Operating intermittently

Definitions

  • US 6349560 discloses a method and apparatus for the cooling of a liquid within a container by means of a liquid cooler.
  • US 2004/079106 discloses an adsorption cooling apparatus with an intermittently heated adsorbent container containing an adsorbent.
  • a substantially thermally sealed storage container includes an outer assembly and an evaporative cooling assembly integral to the container.
  • the outer assembly includes one or more sections of ultra efficient insulation material substantially defining at least one thermally-controlled storage region, and a single access conduit to the at least one thermally-controlled storage region.
  • the evaporative cooling assembly integral to the container includes: an evaporative cooling unit affixed to a surface of the at least one thermally-controlled storage region; a desiccant unit affixed to an external surface of the container; a vapor conduit, the vapor conduit including a first end and a second end, the first end attached to the evaporative cooling unit, the second end attached to the desiccant unit; and a vapor control unit attached to the vapor conduit.
  • a substantially thermally sealed storage container includes: an outer wall substantially defining a substantially thermally sealed storage container, the outer wall substantially defining a single outer wall aperture; an interior wall substantially defining a thermally-controlled storage region, the interior wall substantially defining a single interior wall aperture, the interior wall and the outer wall separated by a distance and substantially defining a gas-sealed gap; at least one section of ultra-efficient insulation material disposed within the gas-sealed gap; a connector forming an access conduit connecting the single outer wall aperture with the single interior wall aperture; a single access aperture to the thermally-controlled storage region, wherein the single access aperture is defined by an end of the access conduit; at least one inner wall, the at least one inner wall sealed to the interior wall along at least one junction, the at least one inner wall and the interior wall separated by a distance and substantially creating a liquid-impermeable gap; an aperture in the at least one inner wall; a desiccant unit external to the outer wall, the desiccant unit including an aperture;
  • a substantially thermally sealed storage container includes: an outer wall substantially defining a substantially thermally sealed storage container, the outer wall substantially defining a single outer wall aperture; at least one desiccant unit external to the outer wall, the desiccant unit including at least one aperture; an interior wall substantially defining a thermally-controlled storage area within the container, the interior wall substantially defining a single interior wall aperture, the interior wall and the outer wall separated by a distance and substantially defining a gas-sealed gap; a connector forming an access conduit connecting the single outer wall aperture with the single interior wall aperture; a single access aperture to the thermally-controlled storage area, wherein the single access aperture is defined by an end of the access conduit; a primary vapor conduit positioned substantially within the access conduit, the vapor conduit including a first end and a second end, the first end sealed to the at least one aperture in the interior wall, the second end sealed to the at least one aperture of the desiccant unit; a primary vapor control unit attached to the primary vapor conduit;
  • a substantially thermally sealed storage container includes: an outer wall substantially defining a substantially thermally sealed storage container, the outer wall substantially defining a single outer wall aperture; an interior wall substantially defining a thermally-controlled storage region, the interior wall substantially defining a single interior wall aperture, the interior wall and the outer wall separated by a distance and substantially defining a gas-sealed gap; at least one section of ultra efficient insulation material disposed within the gas-sealed gap; a connector forming an access conduit connecting the single outer wall aperture with the single interior wall aperture; a single access aperture to the thermally-controlled storage region, wherein the single access aperture is defined by an end of the access conduit; at least one inner wall, the inner wall sealed to the interior wall along at least one junction, the inner wall and the interior wall separated by a distance and substantially defining a liquid-impermeable gap; an aperture in the at least one inner wall; a primary vapor conduit positioned substantially within the access conduit, the primary vapor conduit including a first end and a second end,
  • Substantially thermally sealed storage containers described herein include controlled evaporative cooling systems, integral to the containers, which are calibrated to maintain the interior storage regions within a predetermined temperature range over a period of time, measured in days or weeks.
  • the evaporative cooling system is calibrated to maintain the interior storage region in a predetermined temperature range between 0 degrees Centigrade and 10 degrees Centigrade.
  • the evaporative cooling system is calibrated to maintain the interior storage region in a predetermined temperature range between 2 degrees Centigrade and 8 degrees Centigrade.
  • the container requires no external power to operate.
  • the container requires minimal power to operate the control of the rate of evaporative cooling, such as a power requirement that is less than the power requirements of a standard refrigeration unit.
  • the integral evaporative cooling system within the container can be recharged, repaired or refreshed to allow reuse of the container multiple times.
  • Figure 1 shows a particular perspective of a substantially thermally sealed storage container 100, according to an embodiment.
  • the substantially thermally sealed storage container 100 illustrated in Figure 1 is shown from an external viewpoint.
  • the substantially thermally sealed storage container 100 includes an outer wall 150.
  • the entire container is stabilized in an upright position by a base region 160.
  • a single access conduit 130 is positioned at a region of the substantially thermally sealed storage container 100 that will be the uppermost region of the container during normal use.
  • a "conduit" refers to a structure with a hollow interior and at least two apertures at distal ends, such as a pipe, a tube or a duct.
  • the interior hollow of a conduit has a substantially round cross-section.
  • the interior hollow of a conduit has a cross-section that is substantially rectangular, elliptical, or irregularly shaped.
  • the conduit 130 includes an outer wall 110 that substantially defines the exterior of the conduit 130.
  • a seal 135 is positioned at the terminal end of the conduit 130, the seal 135 positioned and fabricated to prevent gas leakage into any interior region of the conduit 130 structure from the adjacent external region.
  • a first vapor conduit 180 traverses the single access conduit 130 from a region interior to the container 100 to a region exterior to the container 100.
  • a vapor control unit 140 is connected, with a gas-impermeable seal, to the end of the first vapor conduit 180 exterior to the container 100.
  • the first and second vapor conduits and the vapor control unit 140 are fabricated from a metal, such as aluminum or stainless steel, and the vapor control unit and one or more vapor conduits are welded together to form a gas-impermeable seal.
  • the vapor conduit 180 includes another, interior end, which is positioned within the container and, therefore, is not visible in the external view shown in Figure 1 .
  • the vapor control unit 140 traverses the diameter of the adjacent end of the first vapor conduit 180 as well as the adjacent end of the second vapor conduit 185.
  • the vapor control unit 140 controllably increases and decreases the interior dimensions of a conduit internal to the vapor control unit 140, which serves to alter the rate of vapor flow through the vapor control unit 140 and, therefore, between the first vapor conduit 180 and the second vapor conduit 185. See: "Calculating Pipe Sizes & Pressure Drops in Vacuum Systems," Section 9- Technical Reference, Rietschle Thomas Company, which is incorporated by reference.
  • the conduit internal to the vapor control unit 140 has a first end, which is sealed to the adjacent end of the first vapor conduit 180, and a second end, which is sealed to the adjacent end of the second vapor conduit 185.
  • the vapor control unit 140 includes at least one valve positioned to regulate vapor and gas flow through the internal conduit of the vapor control unit 140.
  • the at least one valve is connected to a controller which regulates the opening and closing of the valve, and therefore the internal diameter of the internal conduit of the vapor control unit 140.
  • the controller is connected to a sensor within the container 100. See Figures 4 , 5 and 6 .
  • the vapor control unit 140 includes a visible indicator of information from the controller on the outside of the vapor control unit 140.
  • the vapor control unit 140 includes on its exterior a dial connected to the controller, the dial configured to indicate the temperature reading from the sensor.
  • the vapor control unit 140 includes on its exterior a light connected to the controller, wherein the controller turns the light on and off in combination with sending a control signal to the valve within the vapor control unit 140.
  • the vapor control unit 140 includes on its exterior a light connected to the controller, wherein the controller turns the light on and off in response to data from a pressure sensor attached to the controller.
  • the controller can include circuitry that initiates the light to turn on when information from the pressure sensor indicates that the pressure inside the evaporative cooling system is within a preset range (e.g. to indicate to a user that the internal gas pressure is within a preset acceptable operating range, and therefore is operational, or to indicate to a user that the internal gas pressure is outside of the preset acceptable operating range, and therefore requires maintenance).
  • a preset range e.g. to indicate to a user that the internal gas pressure is within a preset acceptable operating range, and therefore is operational, or to indicate to a user that the internal gas pressure is outside of the preset acceptable operating range, and therefore requires maintenance.
  • a second vapor conduit 185 is connected, with a gas-impermeable seal, to the vapor control unit 140 at a position distal to the connection with the first vapor conduit 180.
  • the connection with the vapor control unit 140 traverses the diameter of a first end of the second vapor conduit 185.
  • the second conduit 185 includes a second end, which is connected to a desiccant unit 170 at a region surrounding an aperture in the desiccant unit 170 with a gas-impermeable seal.
  • the desiccant unit 170 and the second vapor conduit 185 are fabricated from a metal, such as aluminum or stainless steel, and the desiccant unit 170 and the second vapor conduit 185 are welded together to create a gas-impermeable seal.
  • the desiccant unit 170 is attached to an exterior surface of the container 100.
  • the desiccant unit 170 includes an outer wall encircling a hollow interior and forming an internal region that is both gas- and liquid-impermeable. See Figures 3 , 4 , 5 and 6 .
  • the desiccant unit 170 includes a power unit 190.
  • the power unit 190 can include a plug-in to an AC or DC power source.
  • the power unit 190 can include a solar panel positioned to collect solar energy from a region external to the container.
  • the power unit 190 can include a battery.
  • a battery is rechargeable.
  • a battery can be removed and replaced.
  • a container 100 includes one or more access ports 125, 120.
  • the access ports 125, 120 are configured to permit access to interior regions of the container 100.
  • one or more access ports 125, 120 are sealed with a gas-impermeable seal during manufacture of the container 100 and not intended for further use.
  • the access ports 125, 120 are sealed with a gas-impermeable seal during manufacture of the container 100 but configured for reopening during recharge, repair or refreshment of the container 100 over time and between periods of use of the container 100.
  • a substantially thermally sealed storage container 100 is fabricated from materials with sufficient strength and durability to be transported and reused over time.
  • the substantially thermally sealed storage container 100 is constructed from materials that are resistant to corrosion in the presence of the specific liquid(s) and desiccant material(s) utilized in a specific embodiment.
  • the substantially thermally sealed storage container 100 is constructed from materials of sufficient durability, strength and toughness for transport, use, and reuse in a given embodiment.
  • the outer wall 150 of the container, the outer wall 110 of the conduit 130, the first and second vapor conduits 180, 185 and the outer wall of the desiccant unit 170 can be fabricated from a metal, such as stainless steel or aluminum.
  • the container is fabricated from a diversity of materials, one or more composite, and/or alloys.
  • the container is partially fabricated from a polycarbonate plastic.
  • Some embodiments include a substantially evacuated space within the container 100 structure, and in such embodiments the components of the container 100 that are positioned adjacent to the substantially evacuated space within the container 100 are selected for sufficient durability, strength and toughness for the expected use of the container 100 as well as for low outgassing properties into the substantially evacuated space within the container 100.
  • the container 100 includes substantially evacuated space within the container 100 with a gas pressure less than approximately 1x10 -2 torr, less than 5x10 -3 torr, less than 5x10 -4 torr, less than 5x10 -5 torr, less than 5x10 -6 torr or less than 5x10 -7 torr.
  • Figure 2 depicts a cross-section view of a substantially thermally sealed storage container 100.
  • the view illustrated in Figure 2 is a vertically bisected container illustrating aspects of the container 100, including aspects of the interior.
  • the container includes an outer wall 150 and an interior wall 200.
  • the outer wall 150 substantially defines the substantially thermally sealed storage container 100.
  • the outer wall 150 of the container substantially defines a single outer wall 150 aperture at the top and center of the container 100.
  • the interior wall 200 is a substantially similar shape as the outer wall 150, but sized to fit within the outer wall 150.
  • the inner wall 150 includes an aperture positioned at a corresponding location to the aperture in the outer wall 150.
  • the interior wall 200 and the outer wall 150 are separated by a distance and together substantially define a gas-sealed gap 210 in the interior of the container 100.
  • the gas-sealed gap 210 can include a gas pressure significantly below atmospheric pressure.
  • the gas-sealed gap 210 can include substantially evacuated space.
  • Some embodiments include at least one section of ultra-efficient insulation material disposed within the gas-sealed gap 210 between the interior wall 200 and the outer wall 150.
  • the gas-sealed gap 210 can include both ultra-efficient insulation material and a gas pressure significantly below atmospheric pressure.
  • the gas-sealed gap 210 includes substantially evacuated space having a pressure less than or equal to 1x10 -2 torr.
  • the gas-sealed gap 210 includes substantially evacuated space having a pressure less than or equal to 5x10 -4 torr.
  • the gas-sealed gap 210 includes substantially evacuated space having a pressure less than or equal to 1x10 -2 torr in the gas-sealed gap 210.
  • the gas-sealed gap 210 includes substantially evacuated space having a pressure less than or equal to 5x10 -4 torr in the gas-sealed gap 210.
  • the gas-sealed gap 210 includes substantially evacuated space having a pressure less than 1x10 -2 torr, for example, less than 5x10 -3 torr, less than 5x10 -4 torr, less than 5x10 -5 torr, 5x10 -6 torr or 5x10 -7 torr.
  • the gas-sealed gap 210 includes a plurality of layers of multilayer insulation material and substantially evacuated space having a pressure less than or equal to 1x10 -2 torr.
  • the gas-sealed gap 210 includes a plurality of layers of multilayer insulation material and substantially evacuated space having a pressure less than or equal to 5x10 -4 torr.
  • ultra efficient insulation material can include one or more type of insulation material with extremely low heat conductance and extremely low heat radiation transfer between the surfaces of the insulation material.
  • the ultra efficient insulation material can include, for example, one or more layers of thermally reflective film, high vacuum, aerogel, low thermal conductivity bead-like units, disordered layered crystals, low density solids, or low density foam.
  • the ultra efficient insulation material includes one or more low density solids such as aerogels, such as those described in, for example: Fricke and Emmerling, Aerogels- preparation, properties, applications, Structure and Bonding 77: 37-87 (1992 ); and Pekala, Organic aerogels from the polycondensation of resorcinol with formaldehyde, Journal of Materials Science 24: 3221-3227 (1989 ), which are each herein incorporated by reference.
  • “low density” can include materials with density from about 0.01 g/cm 3 to about 0.10 g/cm 3 , and materials with density from about 0.005 g/cm 3 to about 0.05 g/cm 3 .
  • the ultra efficient insulation material includes one or more layers of disordered layered crystals, such as those described in, for example: Chiritescu et al., Ultralow thermal conductivity in disordered, layered WSe2 crystals, Science 315: 351-353 (2007 ), which is herein incorporated by reference.
  • the ultra efficient insulation material includes at least two layers of thermal reflective film separated, for example, by at least one of: high vacuum, low thermal conductivity spacer units, low thermal conductivity bead like units, or low density foam.
  • the ultra efficient insulation material can include at least two layers of thermal reflective material and at least one spacer unit between the layers of thermal reflective material.
  • the ultra-efficient insulation material can include at least one multiple layer insulating composite such as described in U.S. Patent 6,485,805 to Smith et al. , titled “Multilayer insulation composite,” which is herein incorporated by reference.
  • the ultra-efficient insulation material can include at least one metallic sheet insulation system, such as that described in U.S. Patent 5,915,283 to Reed et al. , titled “Metallic sheet insulation system,” which is herein incorporated by reference.
  • the ultra-efficient insulation material can include at least one thermal insulation system, such as that described in U.S. Patent 6,967,051 to Augustynowicz et al. , titled “Thermal insulation systems,” which is herein incorporated by reference.
  • the ultra-efficient insulation material can include at least one rigid multilayer material for thermal insulation, such as that described in U.S. Patent 7,001,656 to Maignan et al. , titled "Rigid multilayer material for thermal insulation,” which is herein incorporated by reference.
  • an ultra efficient insulation material includes at least one material described above and at least one superinsulation material.
  • a "superinsulation material” can include structures wherein at least two floating thermal radiation shields exist in an evacuated double-wall annulus, closely spaced but thermally separated by at least one poor-conducting fiber-like material.
  • one or more sections of the ultra efficient insulation material includes at least two layers of thermal reflective material separated from each other by magnetic suspension.
  • the layers of thermal reflective material can be separated, for example, by magnetic suspension methods including magnetic induction suspension or ferromagnetic suspension.
  • magnetic suspension methods including magnetic induction suspension or ferromagnetic suspension.
  • Ferromagnetic suspension can include, for example, the use of magnets with a Halbach field distribution.
  • Halbach permanent magnet machines and applications For more information regarding Halbach machine topologies and related applications, see Zhu and Howe, Halbach permanent magnet machines and applications: a review, IEE Proc.-Electr. Power Appl. 148: 299-308 (2001 ), which is herein incorporated by reference.
  • a connector 250 is positioned to form part of the access conduit 130 between the outer wall aperture and the interior wall aperture.
  • a connector can be formed as a substantially cylindrical structure corresponding to the shape of the outer wall 110 of the access conduit 130, with a smaller diameter than the outer wall 110 of the access conduit 130.
  • a seal 240 attaches the external surface of the connector 250 with the region of the interior wall 200 adjacent to the aperture.
  • a seal 230 attaches the external surface of the connector 250 with the region of the outer wall 150 adjacent to the aperture.
  • the outer wall 110 of the conduit 130 is positioned substantially parallel to the connector 250, with a gap between the outer wall 110 of the conduit 130 and the connector 250.
  • the seal 135 is positioned to create a gas-impermeable barrier between the outer wall 110 of the access conduit 130 and the connector 250.
  • the seal 135 can be formed by a material suitable for a particular embodiment, such as a weld, a crimp and fold, or an additional component sealed to both the outer wall 110 of the conduit 130 and to the connector 250 to form the seal 135.
  • the end of the conduit 130 distal to the seal 135 substantially defines a single access aperture to a substantially thermally sealed storage region 220 within the container 100.
  • the interior 290 of the conduit 130 therefore, forms an access region for the interior of the storage region 220 of the container 100.
  • the access conduit 130 forms an elongated thermal pathway between the single access aperture to the thermally-controlled storage region 220 and an exterior region of the container 100.
  • the access conduit 130 can be of sufficient length to minimize air passage, and therefore thermal transfer, between the thermally-controlled storage region 220 and an exterior region of the container 100.
  • the access conduit 130 can be configured to minimize thermal transfer between the interior wall 200, the inner wall 260 and an exterior region of the container 100.
  • the access conduit 130 can include materials and/or structure configured to minimize thermal transfer between the interior wall 200, the inner wall 260 and an exterior region of the container 100.
  • Some embodiments include a corrugated structure forming an elongated thermal pathway between the single access aperture to the thermally-controlled storage region 220 and an exterior region of the container 100.
  • the connector 250 of the access aperture can be formed with a pleat structure, with the folds substantially perpendicular to the length of the access conduit 130.
  • the container 100 illustrated in Figure 2 includes a substantially thermally sealed storage region 220 within the interior of the container 100.
  • a substantially thermally sealed storage container includes a plurality of storage regions.
  • a substantially thermally sealed storage container can include a first storage region substantially separated with an internal divider from a second storage region.
  • a substantially thermally sealed storage container can include, in some embodiments, a first storage region maintained at a first temperature, and a second storage region maintained at a second temperature. See, for example, Figures 7 and 8 as well as their associated text.
  • the substantially thermally sealed storage region is a uniform space.
  • Some embodiments include a substantially thermally sealed storage region that has structures for the storage of specific materials.
  • a substantially thermally sealed storage region within a container can be calibrated to maintain an internal temperature between 0 degrees Centigrade and 10 degrees Centigrade, and include one or more storage structures of a size, shape and configuration to hold medicinal vials, such as vaccine vials.
  • a substantially thermally sealed storage region within a container can be calibrated to maintain an internal temperature between 2 degrees Centigrade and 8 degrees Centigrade, and include one or more storage structures of a size, shape and configuration to hold medicinal vials, such as vaccine vials.
  • a substantially thermally sealed storage container includes a storage region 220 that is substantially thermally sealed and also temperature controlled through the evaporative cooling system integral to the container.
  • the combination of the thermal properties of a specific embodiment of a container along with the characteristics of an integral evaporative cooling system result in a substantially thermally sealed storage region that is controlled to maintain temperatures within the substantially thermally sealed storage region within a predetermined temperature range.
  • a substantially thermally sealed storage container is fabricated with a heat transfer of approximately 5 W between the exterior of the container and the interior of the substantially thermally sealed storage region.
  • desiccant units primarily including calcium chloride (CaCl) and an evaporative liquid primarily including water can be utilized with a vapor control system to maintain the interior of the substantially thermally sealed storage region in a temperature range between 0 degrees Centigrade and 10 degrees Centigrade for a period of weeks.
  • the interior of the substantially thermally sealed storage region can be maintained in a temperature range between 2 degrees Centigrade and 8 degrees Centigrade for at least 30 days in such a container.
  • the container 100 includes two access ports, 120, 125.
  • Each of the access ports 120, 125 provides access to an interior region of the container when required, such as during fabrication or refurbishment of the container 100.
  • the access ports can be utilized, for example, during fabrication of the container 100 to establish a gas pressure within the gas-sealed gap 210 that is lower than atmospheric pressure.
  • an access port 120 is substantially sealed but is positioned to have been useful for the establishment of a gas pressure within the gas-sealed gap 210 that is lower than atmospheric pressure during fabrication of the container.
  • the container 100 shown in Figure 2 also includes an access port 125 connected by a conduit 225 to a region within the interior wall 200.
  • This access port 125 is sealed during fabrication of the container 100, but prior to sealing the access port 125 can be utilized to provide access to the region within the interior wall 200.
  • the access port 125 can be used to position a liquid within the liquid-impermeable gap 265 during fabrication of the container.
  • one or more access port 120, 125 can be configured to be opened during refreshment, repair or recharging of the container 100 between uses.
  • Figure 2 also illustrates that the container 100 includes an inner wall 260.
  • the inner wall 260 is sealed to the interior wall 200 along a junction defined by the seal 240 with the connector 250 of the access conduit 130.
  • the inner wall 260 and the interior wall 200 are positioned and fabricated so as to be separated by a liquid-impermeable gap 265.
  • a surface of the inner wall 260 faces the liquid-impermeable gap 265, and the opposing surface of the inner wall 260 faces the substantially thermally sealed storage region 220 within the container.
  • the liquid-impermeable gap 265 contains an evaporative liquid, which is a liquid with evaporative properties under the expected temperatures and gas pressures of the liquid-impermeable gap 265 during use of the container 100.
  • the liquid-impermeable gap 265 includes a partial gas pressure of approximately 5% of atmospheric pressure external to the container, and the liquid within the liquid-impermeable gap 265 includes water.
  • the liquid-impermeable gap 265 includes a partial gas pressure of approximately 10 % of atmospheric pressure external to the container, and the liquid within the liquid-impermeable gap 265 includes methanol.
  • the liquid-impermeable gap 265 includes a partial gas pressure of approximately 15 % of atmospheric pressure external to the container, and the liquid within the liquid-impermeable gap 265 includes ammonia.
  • a vapor conduit 180 is positioned substantially within the interior region 290 of the conduit 130.
  • the vapor conduit 180 includes a first end and a second end. In the view illustrated in Figure 2 , only the first end is visible.
  • the first end of the vapor conduit 180 is sealed to an aperture in the inner wall 260.
  • the second end of the vapor conduit 180 which is not visible in Figure 2 , is sealed to the vapor control unit, and thereby creating a controllable vapor pathway to the interior of the desiccant unit (not shown in Figure 2 ; see Figure 1 ).
  • the liquid impermeable gap 265 formed between the inner wall 260 and the interior wall 200 is directly connected to the interior region 285 of the vapor conduit 180.
  • the liquid impermeable gap 265 formed between the inner wall 260 and the interior wall 200 is in vapor contact with the interior region 285 of the vapor conduit 180 so that vapor can freely pass from the liquid impermeable gap 265 through the vapor conduit 180.
  • the vapor can then pass through the vapor control unit when the attached valve is in an open position, and to the interior of the desiccant unit (not shown in Figure 2 ; see Figure 1 ).
  • the vapor conduit 180 is of a size and shape to permit free gas flow between the interior of the desiccant unit and the liquid impermeable gap 265 when the valve of the vapor control unit is in a fully open position.
  • the vapor conduit 180 is a substantially round, tubular structure.
  • the vapor conduit 180 is a substantially flattened structure. In some embodiments, the vapor conduit 180 is a plurality of closely associated structures, e.g. a series of substantially parallel tubular structures. The interior dimensions of the vapor conduit 180 vary depending on the size of the container 100, the liquid impermeable gap 265, the vapor control unit, and the desiccant unit. The vapor conduit 180 is of a size and shape to permit gas and vapor to flow freely and without substantial hindrance between the liquid impermeable gap 265 and the desiccant unit when the valve of the vapor control unit is in a fully open position.
  • Figure 3 illustrates aspects of an embodiment of a substantially thermally sealed storage container 100 from an exterior viewpoint to the container, with a cross-section view through a portion of the evaporative cooling unit.
  • Figure 3 illustrates a substantially thermally sealed storage container 100 including an access conduit 130.
  • the outer wall 110 of the access conduit 130 is sealed to an inner wall with a seal 135 at the top edge of the access conduit 130.
  • a vapor conduit 180 traverses through the access conduit 130 from the interior of the container (not visible in Figure 3 , see, e.g. Figure 2 ) to a region adjacent to the outer wall 110 of the access conduit 130 and the outer wall 150 of the container 100.
  • Figure 3 illustrates a cross-section view through the external portion of the first and second vapor conduits 180, 185, the attached vapor control unit 140 and the desiccant unit 170.
  • the desiccant unit 170 includes an outer wall 320.
  • the outer wall 320 substantially defines the external boundaries of the desiccant unit 170.
  • the outer wall 320 is positioned adjacent to the outer wall 150 of the container 100.
  • the outer wall 320 includes an aperture, which is surrounded by the end of the second vapor conduit 185 distal to the vapor control unit 140.
  • the end of the second vapor conduit 185 distal to the vapor control unit 140 is sealed to the surface of the outer wall 320 of the desiccant unit 170 with a gas-impermeable seal.
  • the desiccant unit 170 includes an interior space 300.
  • the interior space 300 is contiguous with the interior of the end of the vapor conduit 185 distal to the vapor control unit 140, with free flow of gas between the interior space 300 of the desiccant unit 170 and the interior of the adjacent vapor conduit 185.
  • a plurality of units of desiccant material 310 are positioned within the interior space 300 of the desiccant unit 170.
  • the units of desiccant material 310 are illustrated as a mass, in some embodiments they may be arrayed in a regular pattern to promote maximum surface contact of the desiccant material 310 with the gas within the interior space 300 of the desiccant unit 170.
  • the units of desiccant material 310 include a structure or a coating of a size and shape to promote gas circulation around each of the units of desiccant material 310.
  • the outer wall 320 of the desiccant unit 170 can be fabricated from a variety of materials, depending on the embodiment.
  • the outer wall 320 can be fabricated from a material with sufficient strength to retain its shape in the presence of an interior space 300 gas pressure less than atmospheric pressure.
  • the outer wall 320 can be fabricated from stainless steel, aluminum, polycarbonate plastic, glass, or other materials.
  • the desiccant unit 170 can include an interior liner positioned adjacent to the outer wall 320.
  • an interior liner can be configured to protect the material of the outer wall 320 from any possible corrosion from the desiccant material 310 utilized in a specific embodiment.
  • the units of desiccant material 310 are fabricated from at least one material with desiccant properties, or the ability to remove liquid from a liquid vapor in the surrounding space. Units of desiccant material 310 can operate, for example, through the absorption or adsorption of water from the water vapor in the surrounding space. One or more units of desiccant material 310 selected will depend on the specific embodiment, particularly the volume required of a sufficient quantity of desiccant material to absorb liquid for the estimated time period required to operate a specific evaporative cooling unit integral to a specific container. In some embodiments, the units of desiccant material 310 selected will be a solid material under routine operating conditions.
  • One or more units of desiccant material 310 can include non-desiccant materials, for example binding materials, scaffolding materials, or support materials.
  • One or more units of desiccant material 310 can include desiccant materials of two or more types.
  • the containers described herein are intended for use with evaporative cooling for days or weeks, and sufficient desiccant material and corresponding liquid is included for those time periods in any given embodiment.
  • Saha et al. "A New Generation Cooling Device Employing CaCl2-in-silica Gel-water System," International Journal of Heat and Mass Transfer, 52: 516-524 (2009 ), which is incorporated by reference.
  • the desiccant material can include calcium carbonate.
  • the desiccant material can include lithium chloride.
  • the desiccant material can include liquid ammonia.
  • the desiccant material can include zeolite.
  • the desiccant material can include silica.
  • a desiccant material is considered non-toxic under routine handling precautions. The selection of a desiccant material is also dependent on any exothermic properties of the material, in order to retain the thermal properties of the entire container desired in a specific embodiment.
  • Figure 3 illustrates aspects of a vapor control unit 140 attached to the first vapor conduit 180 adjacent to the interior of the container and the second vapor conduit 185 attached to the desiccant unit 170.
  • a vapor control unit is integral to a vapor conduit.
  • a vapor control unit 140 includes a power source, such as a battery, operably connected to one or more other components.
  • a vapor control unit 140 does not include an electric power source, for example a vapor control unit can be mechanically powered.
  • the vapor control unit 140 includes a valve 345.
  • the valve 345 is configured to reversibly impede the flow of gas, including vapor, through the vapor control unit 140, and therefore, between the first vapor conduit 180 and the second vapor conduit 185.
  • the valve 345 can be a plurality of valves, for example a plurality of valves in series along a single conduit within the vapor control unit.
  • the valve 345 can be a plurality of valves, for example a plurality of valves each attached to a separate conduit within the vapor control unit 140, each of the plurality of valves reversibly controllable to open and close the attached conduit.
  • the valve 345 includes at least one movable valve with at least a first position substantially closing the at least one movable valve to vapor flow through the at least one movable valve, and a second position substantially opening the at least one movable valve to vapor flow through the at least one movable valve. Some embodiments include a movable valve with at least a first position substantially closing vapor flow through the vapor control unit, at least one second position substantially permitting flow of vapor through the vapor control unit to the maximum permitted by the diameter of the vapor control unit, and at least one third position restricting vapor flow through the vapor control unit. In some embodiments, the valve 345 includes a mechanical valve. In some embodiments, the valve 345 includes a gate valve.
  • the valve 345 includes rotary valve, such as a butterfly valve. In some embodiments, the valve 345 includes a ball valve. In some embodiments, the valve 345 includes a piston valve. In some embodiments, the valve 345 includes a globe valve. In some embodiments, the valve 345 includes a gate valve. In some embodiments, the valve 345 includes a plurality of valves operating in tandem with each other. In some embodiments, the valve 345 includes an electronically-controlled valve. In some embodiments, the valve 345 includes a mechanically-controlled valve.
  • the selection of the valve 345 in a given embodiment depends on, for example, cost, weight, the sealing properties of a type of valve, the estimated failure rate of a type of valve, the durability of a type of valve under expected use conditions, and the power consumption requirements for a type of valve.
  • the selection of the valve 345 in a given embodiment also depends on the level of restriction of gas flow, including vapor flow, through a particular type of valve when the valve is in a fully open position.
  • the controller 360 is operably connected to the valve 345.
  • the valve 345 is operably connected to the controller 360, and configured to be responsive to the controller 360.
  • the controller 360 is configured to respond to one or more temperature sensors 350 by acting to alter the position of the valve 345.
  • the controller 360 is configured to respond in a specific manner depending on the temperature detected by the temperature sensor 350. For example, a controller 360 can be configured to respond to a temperature above a threshold temperature by acting to cause a complete opening or closure of the valve 345. For example, a controller 360 can be configured to respond to a temperature below a threshold temperature by acting to cause closure of the valve 345.
  • a controller 360 can be configured to respond to a temperature within a temperature range by acting to cause partial opening of the valve 345.
  • a controller 360 can be configured to respond to a temperature within a temperature range by acting to cause partial closure of the valve 345.
  • a connection is not illustrated in Figure 3 between the controller 360 and the valve 345, an operable connection exists between the controller 360 and the valve 345.
  • the operable connection includes a connector configured to transmit physical pressure, such as a rod or cog.
  • the operable connection includes a connector configured to transmit electronically, such as through a wire or wireless connection, such as through an IR or short wavelength radio transmission (e.g. Bluetooth).
  • a controller 360 can be an electronic controller.
  • a controller 360 is an electronic controller that accepts data from a plurality of temperature sensors 350 and initiates action by the valve 345 after determination of an average temperature from the accepted data.
  • An electronic controller can include logic and/or circuitry configured to create a bounded or threshold system around a particular range of values from one or more sensors, such as a bounded system around a range of 3 degrees Centigrade to 7 degrees Centigrade, responsive to data from one or more temperature sensors.
  • a controller 360 is a "bang-bang" controller operably attached the valve 345 and configured to be responsive to a temperature sensor 350 that includes a thermocouple.
  • An electronic controller can include logic and/or circuitry configured to create a feedback system around a particular range of values from one or more sensors, such as a feedback system around a range of 2 degrees Centigrade to 8 degrees Centigrade, responsive to data from one or more temperature sensors.
  • a controller 360 is a mechanical controller.
  • the controller 360 is attached to a Bourdon tube operably connected to the valve 345, and configured to respond to changes in vapor pressure associated with temperature differences.
  • Embodiments including a mechanical controller can also include a connector that forms an operable connection between the controller and the valve that is a mechanical connector.
  • a mechanical connector can be a connector configured to transmit physical pressure, such as through operation of one or more rods or cogs, between the controller and the valve.
  • a sensor 350 is positioned within the vapor conduit 180 at a position adjacent to the end of the vapor conduit 180 within the interior of the container 100.
  • a sensor 350 is configured to detect the temperature of the gas present in the interior of the vapor conduit 180.
  • a sensor 350 is configured to detect the partial pressure of the gas present in the interior of the vapor conduit 180.
  • the sensor 350 illustrated in Figure 3 is positioned adjacent to the vapor control unit 140 at the side of the vapor control unit 140 adjacent to the interior of the container 100.
  • a sensor is positioned within the vapor conduit 180 at a region within the conduit 130.
  • a sensor is positioned within the vapor conduit 180 at a region within the interior of the container. In some embodiments, a sensor is positioned within a liquid-impermeable gap adjacent to the substantially thermally sealed storage region within the container 100, and configured to detect the temperature of gas or liquid within that gap. Some embodiments include a plurality of sensors positioned in series or parallel.
  • a sensor 350 can include, for example, depending on the embodiment, an electronic temperature sensor, a chemical temperature sensor, or a mechanical temperature sensor.
  • a sensor 350 can include, for example, a low-energy temperature sensor, such as a Thermodo device (Robocat, Copenhagen, Denmark).
  • a sensor 350 can include, for example, depending on the embodiment, an electronic gas pressure sensor, or a mechanical gas pressure sensor.
  • a sensor 350 for measurement of gas pressure can include a Bourdon tube.
  • a sensor 350 for measurement of gas pressure can include a diaphragm-based gas pressure sensor.
  • a sensor 350 for measurement of temperature can include, for example, a thermocouple.
  • a sensor 350 can include a combined sensor of gas pressure, gas composition, and temperature.
  • a sensor 350 can include a NODE device, (Variable Technologies, Chattanooga TN).
  • a sensor can include a power source, such as a battery.
  • Some embodiments include a sensor that is a temperature sensor.
  • a temperature sensor can include, for example, a mechanical temperature sensor.
  • a temperature sensor can include, for example, an electronic temperature sensor.
  • some embodiments include a sensor that is a temperature sensor including one or more of: a thermocouple, a bimetallic temperature sensor, an infrared thermometer, a resistance thermometer, or a silicon bandgap temperature sensor.
  • a gas pressure sensor can include, for example, a mechanical gas pressure sensor, such as a Bourdon tube.
  • a gas pressure sensor can include, for example, an electronic gas pressure sensor.
  • some embodiments include a sensor that is a vacuum sensor.
  • the interior of a vapor conduit can be substantially evacuated, or at a low gas pressure relative to atmospheric pressure, before use of a container and then the vacuum reduced during evaporation from the evaporative liquid. Data from a vacuum sensor can, therefore, be indicative of the rate of evaporation, or the total level of evaporation of the evaporative liquid within the container.
  • a gas pressure sensor can include a piezoresistive strain gauge, a capacitive gas pressure sensor, or an electromagnetic gas pressure sensor.
  • a sensor 350 can transmit data to a controller 360 that is an electronic controller via a wire 370, as illustrated in Figure 3 .
  • a sensor includes a thermocouple configured to put physical pressure on a mechanical controller that transmits that physical pressure to a control element of a valve to result in the opening or closing of the valve.
  • a sensor includes an electronic temperature sensor that sends data regarding detected temperature to an electronic controller via a wire or wireless connection, such as through an IR or short wavelength radio transmission (e.g. Bluetooth).
  • the electronic controller receives data from one or more sensors, and determines if the detected values are outside or inside of a predetermined range. Depending on the determination, the electronic controller can initiate the valve to open or close to return the temperature or pressure to the predetermined range of values. For example, in some embodiments, if the electronic temperature sensor sends a signal including temperature data at 9 degrees Centigrade, the controller will determine that the received temperature data is outside of the predetermined range of 3-7 degrees Centigrade. In response to the determination, the controller will send a signal to a motor attached to a valve within the vapor control unit, the signal of a type to initiate the motor to open the valve.
  • the controller will determine that the received temperature data is outside of the predetermined range of 3-7 degrees Centigrade. In response to the determination, the controller will send a signal to a motor attached to a valve within the vapor control unit, the signal of a type to initiate the motor to close the valve.
  • An electronic temperature sensor can send data at a plurality of data points.
  • an electronic controller can accept a plurality of temperature data points from one or more temperature sensor, and calculate a temperature result, such as an average temperature, or a mean temperature, from the accepted data. The electronic controller can then determine if the temperature result is outside or inside of a predetermined temperature range.
  • a predetermined temperature range is between 0 degrees and 10 degrees Centigrade.
  • a predetermined temperature range is between 2 degrees and 8 degrees Centigrade.
  • a predetermined temperature range is between 0 degrees and 5 degrees Centigrade.
  • a predetermined temperature range is between 5 degrees and 15 degrees Centigrade.
  • a predetermined temperature range is between 5 degrees and -5 degrees Centigrade.
  • a predetermined temperature range is between -15 degrees and -25 degrees Centigrade.
  • a predetermined temperature range is between -25 degrees and -35 degrees Centigrade.
  • an electronic controller can accept a plurality of gas pressure data points from one or more gas pressure sensors, and calculate a gas pressure result, such as an average gas pressure, or a mean gas pressure, from the accepted data. The electronic controller can then determine if the gas pressure result is outside or inside of a predetermined gas pressure range for the specific container.
  • gas pressure out of a specific, predetermined range can indicate an excess of evaporation of the liquid, resulting in excess evaporative cooling for the specific container.
  • gas pressure out of a specific, predetermined range can indicate a lack of absorption or adsorption by the desiccant material, indicating that the desiccant material needs to be refreshed or renewed.
  • the gas pressure range is relative to the internal dimensions of the evaporative cooling unit, the conduits, the vapor control unit and the desiccant unit for an embodiment.
  • the gas pressure range is also relative to the type of evaporative liquid, the type of desiccant material, and the predetermined temperature range for cooling in an embodiment.
  • An evaporatively-cooled container such as those described herein, can be stored for a period of time prior to use.
  • the container is configured to be cooled with a heat sink material, such as ice, when such is available.
  • the container can also be used without a heat sink, such as an ice block, and cooled with the evaporative cooling system when desired by a specific user.
  • the integral evaporative cooling system can be left inactive for periods of time, such as during storage of the container prior to or between uses, or when a heat sink material such as ice is not available. During these periods of non-activity of the container, the valve within the vapor control unit is left in a fully closed position, substantially blocking vapor flow through the vapor conduit.
  • a user can activate the evaporative cooling system of the container by activating the controller and opening the valve within the vapor control unit.
  • the integral evaporative cooling system of the container will then begin to actively cool the interior storage region for a period of time, the duration of which depends on factors including the relative to the size of the container, the amount of liquid available, the amount of desiccant material available, the target temperature range for the storage region, and the thermal properties of the container.
  • a desiccant material including calcium chloride can maintain a temperature range between 0 and 10 degrees Centigrade for approximately 30 days in a storage region of a container with no more than 5 W of heat leak from the storage region to the region external to the container.
  • FIG. 4 illustrates a cross-section view of a substantially thermally sealed storage container 100.
  • the substantially thermally sealed storage container 100 includes an outer assembly and an evaporative cooling assembly integral to the container 100.
  • the outer assembly includes one or more sections of ultra efficient insulation material within the gap 210 between the outer wall 150 and the interior wall 200 of the container, as well as between the outer wall 110 and the connector 250 of the conduit 130.
  • an ultra efficient insulation material within the gap 210 can include, for example, multilayer insulation material (MLI) surrounded by substantially evacuated space.
  • the gap 210 is gas-impermeable, and includes substantially evacuated space.
  • the ultra efficient insulation material within the gap 210 can include, for example, aerogel.
  • the ultra efficient insulation material substantially defines a thermally-controlled storage region 220 and a single access conduit 130 to the thermally-controlled storage region 220.
  • the single access conduit includes a connector with a corrugated structure forming an elongated thermal pathway.
  • the single access conduit includes a connector with a corrugated structure with a plurality of pleat structures positioned essentially parallel to the plane formed by the end of the conduit 130.
  • the evaporative cooling assembly integral to the container 100 includes an evaporative cooling unit attached to a surface of the at least one thermally controlled storage region 220, a desiccant unit 170 affixed to an external surface of the container 100, and a first and second vapor conduit 180, 185.
  • the first vapor conduit 180 is attached at one end to the evaporative cooling unit, and at the other end to the vapor control unit 140.
  • the second vapor conduit 185 is attached at one end to the desiccant unit, and at the other end to the vapor control unit 140.
  • the evaporative cooling unit integral to the container 100 includes a first wall formed by the interior wall 200 of the container 100.
  • the evaporative cooling unit integral to the container 100 also includes a second, inner wall 260 which is sealed to the interior wall 200 of the container 100, forming a liquid-impermeable gap 265 between the walls 200, 260.
  • an evaporative liquid 400 is positioned within the liquid-impermeable gap 265 between the walls 200, 260.
  • the evaporative liquid 400 has a surface 410 that is below the top of the liquid-impermeable gap 265, thereby providing non-liquid filled space above the surface 410 of the evaporative liquid.
  • the liquid-impermeable gap 265 between the walls 200, 260, the interior of the vapor conduit 285 and the interior space 300 of the desiccant unit 170 are evacuated, for example with a vacuum pump.
  • the vacuum pump can be attached, for example to an access conduit 225 such as illustrated in Figure 2 .
  • a predetermined gas pressure which is lower than atmospheric pressure, is achieved within the liquid-impermeable gap 265 between the walls 200, 260, the interior of the vapor conduit 285 and the interior space 300 of the desiccant unit 170, the combined spaces are sealed to form a gas-impermeable combined interior space.
  • the combined interior spaces are reduced to a gas pressure of no more than 20 torr.
  • the combined interior spaces are reduced to a gas pressure of no more than 10 torr.
  • the combined interior spaces are reduced to a gas pressure of no more than 5 torr.
  • the combined interior spaces are reduced to a gas pressure of no more than 1 torr.
  • the gas that is present within this internal region can flow freely between the liquid-impermeable gap 265, the interior of the vapor conduit 285 and the interior space 300 of the desiccant unit 170 when the valve 345 is in a fully open configuration.
  • the evaporative liquid 400 will evaporate at a rate relative to the temperature of the evaporative liquid 400 and the vapor pressure of the evaporative liquid 400 within the liquid-impermeable gap 265.
  • the rate of evaporation for any specific evaporative liquid at a specific time will occur relative to the temperature of the evaporative liquid at the time, the partial pressure of the evaporative liquid, as well as the physical properties of that specific liquid. For example, at 10 degrees Centigrade, the vapor pressure of water, based on its physical properties, is approximately 9 torr.
  • the liquid when the temperature of the evaporative liquid 400 within the container is 10 degrees Centigrade, the liquid will tend to evaporate as long as the vapor pressure within the adjacent liquid-impermeable gap 265 is less than approximately 9 torr.
  • the vapor pressure of water based on its physical properties, is approximately 6.8 torr at 5 degrees Centigrade. Therefore, when the temperature of the evaporative liquid 400 within the container is 5 degrees Centigrade, the liquid will tend to evaporate as long as the vapor pressure within the adjacent liquid-impermeable gap 265 is less than approximately 6.8 torr.
  • the evaporation temperatures of the included evaporative liquid at different internal vapor pressures can be calculated using standard equations and the physical properties of the included evaporative liquid. Furthermore, as the vapor pressure of the specific evaporative liquid utilized in an embodiment rises within the adjacent liquid-impermeable gap 265, the evaporation rate and associated evaporative cooling will diminish. See, e.g. Rezk et al., "Physical and Operating Conditions Effects on Silica Gel/water Adsorption Chiller Performance," Applied Energy 89: 142-149 (2012 ), which is incorporated by reference herein. This can be utilized to create an expected lower cooling temperature boundary for a particular embodiment.
  • the evaporative liquid 400 When the evaporative liquid 400 is at a lower temperature than the storage region 220, heat from the storage region 220 will equilibrate through conduction through the inner wall 260 to the evaporative liquid 400, thereby cooling the interior storage region 220. Since the liquid-impermeable gap 265, the interior of the vapor conduit 285 and the interior space 300 of the desiccant unit 170 include a contiguous, gas-sealed space when the valve 345 is in a fully open position, the vapor phase of the evaporated liquid will disperse throughout the combined spaces.
  • Control of the movement of the vapor phase of the evaporative liquid 400 through the valve 345 controls the amount of the vapor phase of the evaporative liquid 400 present within the interior space 300 of the desiccant unit 170, and the associated reduction of partial pressure of the vapor phase of the evaporative liquid within the liquid-impermeable gap 265.
  • the controller 360 can act to control the rate of evaporation of the evaporative liquid 400 and the associated evaporative cooling of the storage region 220.
  • an evaporative cooling unit integral to the container 100 include different types of evaporative liquids.
  • the liquid includes water.
  • the liquid includes an alcohol, such as methanol or ethanol.
  • a specific evaporative liquid is selected based on the evaporation rate of the liquid in the temperature ranges targeted by a specific embodiment, as well as the absorption rate of the vapor phase of the evaporative liquid by the desiccant material utilized in the embodiment. In any given embodiment, the evaporation rate of the evaporative liquid is promoted by the desiccant material, which removes the liquid vapor from the gas and promotes further evaporation of the evaporative liquid.
  • the evaporative liquid includes water
  • the desiccant material includes calcium chloride. Evaporation of the evaporative liquid induces a cooling effect on the evaporative cooling unit affixed to the surface of the thermally controlled storage region.
  • the evaporation rate is controlled by action of the valve 345, as directed by the controller 360 in response to data received from a sensor 350.
  • the sensor 350 can provide data to the controller 360 through a wire connection 370. For example, if the sensor 350 is a temperature sensor that provides a temperature reading to the controller 360 that is above a predetermined level, the controller 360 can operate to affect an opening of the valve 345.
  • the controller 360 can operate to affect a closure of the valve 345.
  • the controller 360 only operates to fully open or close the valve 345.
  • the controller 360 can operate to partially open and/or partially close the valve 345, creating intermediate control of the evaporative cooling by controllably restricting the vapor passage through the valve 345.
  • the ongoing detection of sensor data combined with control of the valve, and the resulting control of the evaporation rate of the evaporative liquid provides control of the temperature within the storage region 220 through thermal conduction between the storage region 220 and the adjacent liquid-impermeable gap 265.
  • Figure 4 illustrates aspects of the desiccant unit 170, which is external to and attached to the exterior of the container 100.
  • Figure 4 depicts a plurality of units of desiccant material 310 within the desiccant unit 170.
  • a gas-filled space 300 provides gas contact between the plurality of units of desiccant material 310 and the interior of the adjacent end of the second vapor conduit 185.
  • the desiccant unit 170 includes a vapor-sealed chamber including an interior desiccant region in vapor contact with an interior region of the second vapor conduit 185.
  • the desiccant unit 170 includes a vapor-impermeable region within the desiccant unit 170, the vapor-impermeable region in vapor contact with the interior of the second vapor conduit 185.
  • Some embodiments also include a gas vent mechanism configured to allow gas with pressure beyond a preset limit to vent externally from the desiccant unit 170.
  • the wall 320 of the desiccant unit 170 can include a region configured to break when the internal gas pressure rises above a threshold level.
  • the desiccant unit 170 can include an additional valve connected to a region external to the desiccant unit 170 and configured to open in response to excessive gas pressure within the gas-filled space 300 of the desiccant unit 170.
  • Some embodiments include a gas vent mechanism configured to allow gas of a temperature beyond a preset limit to vent externally from the desiccant unit 170.
  • a desiccant unit 170 can include a temperature sensor, such as a thermocouple, within the gas-filled space 300 of the desiccant unit 170, the temperature sensor operably connected to a one-way valve configured to vent gas from the gas-filled space 300 if the detected temperature is above a preset threshold.
  • a temperature sensor such as a thermocouple
  • the desiccant unit 170 is operably attached to the second vapor conduit 185 at one end of the conduit.
  • the second vapor conduit 185 is attached to the vapor control unit 140 at the distal end of the conduit.
  • the vapor control unit 140 is configured to control vapor flow between the interior region 265 of the evaporative cooling unit and the interior region 300 of the desiccant unit 170 through the first vapor conduit 180 and the second vapor conduit 185.
  • the first and second vapor conduits 185, 180 are configured as a tubular structure traversing the single access conduit 130 of the container 100.
  • the first and second vapor conduits 180, 185 are configured to allow sufficient gas, including evaporated vapor, to move to the interior region 300 of the desiccant unit 170 in situations where maximum evaporative cooling of the container is desired. Therefore, the size, shape and placement of the first and second vapor conduits 180, 185 will depend on factors including the size of the container, the temperature ranges desired for the container, and the physical properties of the desiccant material and the evaporative liquid utilized in a particular embodiment. For example, in some embodiments the target temperature range of the storage region is between 0 and 10 degrees Centigrade, and the container includes approximately 1 liter of liquid water and a corresponding volume of desiccant material including calcium chloride to absorb greater than 1 liter of water.
  • Figure 4 illustrates that some embodiments include a sensor 350 that is a temperature sensor within the interior region 265 of the evaporative cooling unit and operably connected to the controller 360 within the vapor control unit 140 with a wire connection 370. Some embodiments include a plurality of sensors, including temperature sensors.
  • the vapor control unit 140 is connected between the first vapor conduit 180 and the second vapor conduit 185.
  • the vapor control unit 140 is integral to, and substantially internal to, the ends of the first and second vapor conduits 180, 185.
  • the vapor control unit 140 includes a valve 345 and a controller 360.
  • the controller 360 is operably connected to a sensor 350 with a wire connection 370.
  • the controller 360 is operably connected to the valve 345 within the vapor control unit 140.
  • the vapor control unit 140 includes: a thermocouple unit configured to respond to the temperature of vapor in the vapor conduit 180; a valve 345 configured to regulate vapor flow through the vapor control unit 140; and a controller 360 operably connected to the thermocouple unit and to the valve 345.
  • FIG. 5 shows aspects of an embodiment of a substantially thermally sealed storage container 100.
  • the desiccant unit 170 also includes a heating element 500 within the desiccant unit 170, the heating element 500 configured to heat an internal, liquid-impermeable chamber of the desiccant unit 170.
  • the heating element 500 can include an electrical heating coil positioned around the interior of the desiccant unit 170 and in thermal contact with the plurality of units of desiccant material 310.
  • the heating element is positioned external to the desiccant unit 170, for example adjacent to the external wall 320 of the desiccant unit 170.
  • the heating element can include a heat lamp positioned adjacent to the exterior surface of the desiccant unit 170.
  • a power source 190 operably attached to the heating element 500.
  • the power source 190 can include one or more of: a battery pack, an electric plug configured to receive AC or DC power from an external source, a solar panel, or a mechanical generator (e.g. a crank mechanism for a mechanical electricity generator).
  • Some embodiments include a display unit operably attached to the vapor conduit, such as directly to a temperature sensor within the vapor conduit.
  • a display unit can include, for example, a light, a screen display, an e-ink display or a similar device.
  • Some embodiments include a display unit operably attached to the vapor control unit.
  • the display unit can, for example, be operably connected to the controller and configured to receive signals from the controller indicating conditions regarding the interior of the container. For example, in embodiments including a light as a display unit, the controller can be configured to make a transmission to the light initiating the light to switch on when data accepted from the sensor indicates that the interior temperature of the container is within a preset temperature range.
  • the controller can be configured to transmit data regarding the conditions of the container to the screen display, such as the most recent internal temperature reading(s), the most recent gas pressure reading(s), or the position of the valve 345.
  • a user input device such as a push-button, a touch sensor, or a keypad.
  • the user input device can be operably attached to the controller.
  • the controller may be configured to respond to a specific user input, as transmitted by a user input device, by opening the valve within the vapor conduit.
  • the controller may be configured to respond to a specific user input, as transmitted by a user input device, by closing the valve within the vapor conduit.
  • the controller may be configured to respond to a specific user input, as transmitted by a user input device, by initiating a display of the most recent temperature data on an attached screen display.
  • Figure 6 illustrates aspects of an embodiment of a substantially thermally sealed storage container 100 in a cross-section view, similar to the views shown in Figures 4 and 5 .
  • Figure 6 depicts a substantially thermally sealed storage container 100 including an outer wall 150 and an interior wall 200 forming a substantially gas sealed gap 210 between the walls.
  • the walls 150, 200 are attached to an outer wall and the conduit 250 of a single access conduit 130 at the upper region of the container 100.
  • a seal 135 creates a gas-sealed gap between the outer wall and connector 250 of the single access conduit 130.
  • the gap 210 can include an ultra-efficient insulation material within the gap 210.
  • the container 100 includes an inner wall 260, which is configured to form a gas-sealed gap 265 between the interior wall 200 and the inner wall 260.
  • the gas-sealed gap 265 includes an evaporative liquid 400 with a surface region 410.
  • the gas-sealed gap 265 is connected to two first vapor conduits, 180 A, 180 B.
  • Each of the vapor conduits, 180 A, 180 B traverse the interior of the conduit 130 and wrap around the outer surface of the conduit 130 to attach to an adjacent desiccant unit 170 A, 170 B.
  • Each of the desiccant units 170 A, 170 B include a heating element 500 A, 500 B within the desiccant unit 170 A, 170 B and attached to the outer wall 310 A, 310 B of the respective desiccant unit 170 A, 170 B.
  • Each of the respective heating elements 500 A, 500 B are operably attached to a power source 190 A, 190 B.
  • the second vapor conduit 185 A, 185 B attached to each of the desiccant units 170 A, 170 B includes a side conduit 600 A, 600 B.
  • Each of the respective side conduits 600 A, 600 B terminate with a sealing valve 610 A, 610 B configured to form a gas-impermeable seal on the end of the side conduit 600 A, 600 B.
  • the sealing valves 610 A, 610 B can be, for example, one-way pressure valves configured to permit the release of gas beyond a specific pressure from within the attached side conduit 600 A, 600 B.
  • the sealing valves 610 A, 610 B can be, for example, one-way pressure valves configured to permit the release of gas beyond a specific temperature.
  • a control unit 140 A, 140 B is positioned adjacent to, and attached to, each of the second vapor conduits 185 A, 185 B at and end of the second vapor conduits at a position between the side conduit 600 A, 600 B and the interior of the container 100.
  • the control units 140 A, 140 B each include a valve, 345 A, 345 B configured to form a gas-impermeable seal across the respective control units 140 A, 140 B, and therefore between the attached first vapor conduit 180 A, 180 B and the attached second vapor conduits 185 A, 185 B.
  • the control units 140 A, 140 B each include a controller 360 A, 360 B operably attached to the valve, 345 A, 345 B.
  • the controllers 360 A, 360 B are each also attached to a sensor 350 A, 350 B attached to an inner surface of the first vapor conduit 180 A, 180 B.
  • a connector 370 A, 370 B operably attaches the controller 360 A, 360 B and the sensor 350 A, 350 B.
  • a wire connector 370 A, 370 B is illustrated, in some embodiments the controller 360 A, 360 B and the sensor 350 A, 350 B are connected with a wireless connection, such as infra-red (IR) or short range radio signals (e.g. Bluetooth).
  • IR infra-red
  • Bluetooth short range radio signals
  • An externally-controllable sealing unit 620 A, 620 B including a externally-controllable valve 625 A, 625 B is positioned within the first vapor conduit 180 A, 180 B at a position external to the container 100.
  • the externally-controllable sealing unit 620 A, 620 B can include, for example, a magnetically-controllable valve 625 A, 625 B configured to form and detach a gas-impermeable seal within the first vapor conduit 180 A, 180 B in response to an external magnetic field.
  • the externally-controllable sealing unit 620 A, 620 B can include, for example, an externally-controllable valve 625 A, 625 B with a manual control wheel positioned externally wherein the externally-controllable valve 625 A, 625 B is of a size and shape to form and detach a gas-impermeable seal across the internal diameter of the first vapor conduit 180 A, 180 B in response to external turning of the manual control wheel.
  • an externally-controllable valve 625 A, 625 B can include a butterfly valve within the first vapor conduit 180 A, 180 B, the butterfly valve externally-operable by a hand crank external to the first vapor conduit.
  • a quantity of liquid 400 may be transferred from the gas-sealed gap 265 interior of the container to the desiccant material 310 A, 310 B.
  • the desiccant material 310 A, 310 B In order for the container to remain operational with control of the evaporative cooling unit within a particular, predetermined temperature range, the desiccant material 310 A, 310 B must be periodically recharged by removal of the associated evaporative liquid.
  • an externally-controllable valve 625 A, 625 B can be used to effectively seal the first vapor conduit 180 A, 180 B between one of the desiccant units 170 A, 170 B and the gas-sealed gap 265 and the liquid surface 410 during recharging of a desiccant unit 170 A, 170 B while the remaining desiccant unit 170 A, 170 B remains operational.
  • the user can choose to use either the A or the B side of the desiccant units 170 A, 170 B, or both sides, at a given time.
  • Some embodiments include a controller that automatically utilizes either the A or the B side of the desiccant units 170 A, 170 B, or both sides, at a given time.
  • the desiccant unit 170 A, 170 B sealed from the gas-sealed gap at a particular time can be heated with the attached heating unit 500 A, 500 B, resulting in vaporization of the evaporative liquid associated with the desiccant material 310 A, 310B.
  • This vaporized evaporative liquid is removed from the system via the sealing valve 610 A, 610 B.
  • the sealing valve 610 A, 610 B is closed, and the externally-controllable valve 625 A, 625 B can be opened when desired for evaporative cooling of the container and further absorption of vapor by the desiccant material.
  • the vapor conduit 180 A, 180 B includes a detachment mechanism configured to permit the removal of a desiccant unit 170 A, 170 B from the container for recharging and/or refreshment.
  • a desiccant unit 170 A, 170 B can be configured to be removable, wherein the desiccant material can be refreshed or replaced, then the desiccant unit can be reattached to the container for continued use.
  • FIG. 7 illustrates aspects of an embodiment of a substantially thermally sealed storage container 100.
  • the substantially thermally sealed storage container 100 includes an outer wall 150 substantially defining a substantially thermally sealed storage container 100, the outer wall 150 substantially defining a single outer wall aperture.
  • the container 100 includes a desiccant unit 170 external to the outer wall 150, the desiccant unit 170 including at least one aperture connected to a vapor conduit.
  • the container 100 also includes an interior wall 200 substantially defining a thermally-controlled storage area 220 within the container 100, the interior wall 200 substantially defining a single interior wall aperture.
  • the interior wall 200 and the outer wall 150 are separated by a distance and substantially define a gas-sealed gap 210.
  • the container 100 includes a connector 250 forming the internal wall of a single access conduit 130 connecting the single outer wall aperture with the single interior wall aperture.
  • the connector 250 is sealed 230 to the single outer wall aperture and sealed 240 to the single interior wall aperture.
  • the container 100 includes a single access aperture to the thermally-controlled storage area 220, wherein the single access aperture is defined by an end of the access conduit 130.
  • the container 100 also includes a primary vapor conduit 180 positioned substantially within the access conduit 130, the primary vapor conduit 180 including a first end and a second end, the first end traversing the at least one aperture in the interior wall, the second end sealed to a primary vapor control unit 140.
  • the primary vapor control unit 140 is also sealed to the vapor conduit attached to the desiccant unit 170.
  • the primary vapor control unit 140 includes a valve configured to create a gas-impermeable seal across the interior of the primary vapor control unit 140. A gas-impermeable seal across the interior of the primary vapor control unit 140 also blocks vapor flow through the length of the interior 285 of the primary vapor conduit 180.
  • the primary vapor control unit 140 includes a controller operably attached to the valve, and a sensor operably attached to the controller.
  • the container 100 includes a first inner wall 710 and a second inner wall 720 each attached to the interior wall 200, the inner walls 710, 720 positioned to form a first liquid-impermeable gap 730 between the first 710 and second 720 inner walls, the first 710 and second 720 inner walls together forming a floor to a first storage region 220 A in the thermally-controlled storage area 220.
  • the container 100 includes an aperture 715 in the first inner wall 710.
  • a first regional vapor conduit 700 is attached to the primary vapor conduit 180, the first regional vapor conduit 700 including a first end and a second end, the first end sealed to the primary vapor conduit 180, the second end sealed to the aperture 715 in the first inner wall 710.
  • a first regional vapor control unit 705 is attached to the first regional vapor conduit 700.
  • the container 100 includes a third inner wall 795 attached to the interior wall 200, the third inner wall 795 positioned to form a second liquid-impermeable gap 797 between the third inner wall 795 and the interior wall 200, the third inner wall 795 forming a floor to a second storage region 220 B in the thermally-controlled storage area. There is an aperture 790 in the third inner wall 795.
  • the container 100 includes a second regional vapor conduit 780 attached to the end of the primary vapor conduit 180.
  • the second regional vapor conduit 780 includes a first end and a second end, the first end sealed to the primary vapor conduit 180, the second end sealed to the aperture 790 in the third inner wall 795.
  • the container 100 includes a second regional vapor control unit 785 attached to the second regional vapor conduit 780.
  • a concavity 735 in the first 710 and second 720 inner walls creates an inner aperture to permit access to the second storage region 220 B.
  • the concavity is sealed with a liquid-impermeable seal 737.
  • each of the first and second regional vapor control units 705, 785 are configured to independently regulate the gas transfer from, and therefore the evaporation of, evaporative liquid in each of the first liquid-impermeable gap 730 and the second liquid-impermeable gap 797, respectively.
  • each of the first liquid-impermeable gap 730 and the second liquid-impermeable gap 797 include the same evaporative liquid.
  • each of the first liquid-impermeable gap 730 and the second liquid-impermeable gap 797 can include an evaporative liquid that is water.
  • the first liquid-impermeable gap 730 and the second liquid-impermeable gap 797 include different evaporative liquids, both of which are absorbed by the desiccant material within the desiccant unit 170.
  • the first liquid-impermeable gap 730 can include an evaporative liquid that is water while the second liquid-impermeable gap 797 can include an evaporative liquid that is methanol, while the desiccant material includes calcium chloride.
  • Each of the regional vapor control units 705, 785 includes a regional controller, and a valve operably attached to the controller, the valve configured to reversibly create a gas-impermeable seal across the attached regional vapor conduit 700, 780, and a temperature sensor operably attached to the controller.
  • Each of the regional vapor control units 705, 785 can be preset to operate the attached valve in a preset temperature range, creating a first storage region 220 A and a second storage region 220 B retained at different temperatures during use.
  • a container 100 can include a first storage region 220 A with a regional vapor control unit 705 configured to retain the first storage region in a temperature range between 2 degrees and 8 degrees Centigrade.
  • the container 100 can also include a second storage region 220 B with a regional vapor control unit 785 configured to retain the second storage region 220 B in a temperature range between -5 degrees and +5 degrees Centigrade.
  • Some embodiments include: a primary vapor control unit 140 including a thermocouple unit configured to respond to the temperature of vapor in the primary vapor conduit 285, a valve configured to regulate vapor flow through the primary vapor conduit 180, and a primary controller operably connected to the thermocouple unit and to the valve; a first regional vapor control unit 705 including a thermocouple unit configured to respond to the temperature of vapor in the first regional vapor conduit 700, a valve configured to regulate vapor flow through the first regional vapor conduit 700, and a connection to the primary controller; and a second regional vapor control unit 785 including a thermocouple unit configured to respond to the temperature of vapor in the second regional vapor conduit 780, a valve configured to regulate vapor flow through the second regional vapor conduit 780, and a connection to the primary
  • Figure 8 illustrates aspects of an embodiment of a substantially thermally sealed storage container 100.
  • the container 100 includes an outer wall 150 substantially defining the substantially thermally sealed storage container 100, the outer wall 150 substantially defining a single outer wall aperture.
  • the container 100 includes an interior wall 200 substantially defining a thermally-controlled storage region 220, the interior wall 200 substantially defining a single interior wall aperture.
  • the interior wall 200 and the outer wall 150 of the container 100 are separated by a distance and substantially define a gas-sealed gap 210.
  • the container 100 includes at least one section of ultra efficient insulation material disposed within the gas-sealed gap 210.
  • the container 100 includes a connector 250 forming an access conduit 130 connecting the single outer wall aperture with the single interior wall aperture.
  • a seal 230 creates a gas-impermeable junction between the exterior 110 of the conduit 130 and the outer wall 150.
  • a seal 240 creates a gas-impermeable junction between the interior region 290 of the access conduit 130 and the interior wall 200.
  • the container 100 includes a single access aperture to the thermally-controlled storage region 220, wherein the single access aperture is defined by an end of the access conduit 130.
  • the container includes a primary vapor conduit 180 positioned substantially within the access conduit 130, the primary vapor conduit 180 including a first end and a second end, the first end traversing the at least one aperture in the interior wall 200, the second end sealed to the at least one aperture of the desiccant unit 170.
  • the container 100 includes first inner wall 710 and a second inner wall 720 each attached to the interior wall 200, the inner walls 710, 720 positioned to form a first liquid-impermeable gap 730 between the first 710 and second 720 inner walls, the first 710 and second 720 inner walls forming a floor to a first storage region 220 A in the thermally-controlled storage area 220.
  • the first 710 and second 720 inner walls are positioned substantially parallel to each other, and substantially horizontally when the container 100 is positioned for its normal use, as shown in Figure 8 .
  • the container 100 includes an aperture 715 in the first inner wall 710.
  • a first regional vapor conduit 700 is attached to the primary vapor conduit 180, the first regional vapor conduit 700 including a first end and a second end, the first end sealed to the primary vapor conduit 180, the second end sealed to the aperture 715 in the first inner wall 710.
  • a first regional vapor control unit 705 is attached to the first regional vapor conduit 700.
  • a concavity 735 in the first 710 and second 720 inner walls creates an inner aperture to permit access to the second storage region 220 B from the first storage region 220 A.
  • a liquid-impermeable seal 737 is at the edge of the first 710 and second 720 inner walls around the concavity 735.
  • the embodiment illustrated in Figure 8 also includes a third inner wall 830 and a fourth inner wall 860, each attached to the interior wall 200, the inner walls 830, 860 positioned to form a second liquid-impermeable gap 840 between the third 830 and fourth 860 inner walls, the third 830 and fourth 860 inner walls forming a floor to a second storage region 220 B in the thermally-controlled storage area 220.
  • the third 830 and fourth 860 inner walls are positioned substantially parallel to each other, and substantially horizontally when the container 100 is positioned for its normal use.
  • the container 100 includes an aperture 850 in the third inner wall 830.
  • a second regional vapor conduit 800 is attached to the primary vapor conduit 180, the second regional vapor conduit 800 including a first end and a second end, the first end sealed to the primary vapor conduit 180, the second end sealed to an aperture 820 in the third inner wall 820.
  • a second regional vapor control unit 810 is attached to the second regional vapor conduit 800.
  • a concavity 850 in the third 830 and fourth 860 inner walls creates an inner aperture to permit access from the second storage region 220 B to the third storage region 220 C.
  • a liquid-impermeable seal 855 is at the edge of the third 830 and fourth 860 inner walls around the concavity 850.
  • the container 100 also includes fifth inner wall 795 attached to the interior wall 200, the fifth inner wall 795 positioned to form a third liquid-impermeable gap 797 between the fifth inner wall 795 and the interior wall 200, the fifth inner wall 795 forming a floor to a third storage region 220 C in the thermally-controlled storage area 220. There is an aperture 790 in the fifth inner wall 795.
  • the container 100 includes a third regional vapor conduit 780 attached to the end of the primary vapor conduit 180.
  • the third regional vapor conduit 780 includes a first end and a second end, the first end sealed to the primary vapor conduit 180, the second end sealed to the aperture 790 in the fifth inner wall 795.
  • the container 100 includes a third regional vapor control unit 785 attached to the third regional vapor conduit 780.
  • each of the regional vapor control units 705, 810, 785 are configured to independently regulate the gas transfer from, and therefore the evaporation of, liquid in each of the first liquid-impermeable gap 730 and the second liquid-impermeable gap 840 and the third liquid-impermeable gap 797, respectively.
  • each of the liquid-impermeable gaps 730, 840, 797 include the same evaporative liquid.
  • each of the liquid-impermeable gaps 730, 840, 797 can include an evaporative liquid that is water.
  • each of the first liquid-impermeable gap 730 and the second liquid-impermeable gap 840 and the third liquid-impermeable gap 797 include different evaporative liquids, each of which are absorbed by the desiccant material within the desiccant unit 170.
  • the first liquid-impermeable gap 730 can include an evaporative liquid that is water
  • the second liquid-impermeable gap 840 can include an evaporative liquid that is ethanol
  • the third liquid-impermeable gap can include an evaporative liquid that is ammonia
  • the desiccant material in the desiccant unit 170 includes lithium chloride.
  • Each of the regional vapor control units 705, 810, 785 includes a regional controller, a valve operably attached to the controller, the valve configured to reversibly create a gas-impermeable seal across the attached regional vapor conduit 700, 800, 780, and a temperature sensor operably attached to the controller.
  • Each of the regional vapor control units 705, 810, 785 can be preset to operate the attached valve in a preset temperature range, so that the first storage region 220 A, the second storage region 220 B and the third storage region 220 C can be retained at different temperatures during use.
  • a container 100 can include a first storage region 220 A with a regional vapor control unit 705 configured to retain the first storage region in a temperature range between 2 degrees and 8 degrees Centigrade.
  • the container 100 can also include a second storage region 220 B with a regional vapor control unit 810 configured to retain the second storage region 220 B in a temperature range between -5 degrees and +5 degrees Centigrade.
  • the container 100 can include a third storage region 220 C with a regional vapor control unit 785 configured to retain the third storage region 220 C in a temperature range between -15 degrees and -25 degrees Centigrade.
  • Some embodiments include: a primary vapor control unit 140 including a thermocouple unit configured to respond to the temperature of vapor in the primary vapor conduit 285, a valve configured to regulate vapor flow through the primary vapor conduit 180, and a primary controller operably connected to the thermocouple unit and to the valve; as well as each of a first, second and third regional vapor control unit 705, 810, 785 including a thermocouple unit configured to respond to the temperature of vapor in the attached regional vapor conduit 700, 800, 780, a valve configured to regulate vapor flow through the attached regional vapor conduit 700, 800, 780, and a connection to the primary controller.
  • Some embodiments include a substantially thermally sealed storage container including a plurality of storage regions within the container. See, e.g. Figures 7 and 8 .
  • the outer assembly including one or more sections of ultra efficient insulation material substantially defines a plurality of thermally sealed storage regions.
  • the plurality of storage regions can be, for example, of comparable size and shape or they can be of differing sizes and shapes as appropriate to the embodiment.
  • Different storage regions can include, for example, various removable inserts, at least one layer including at least one metal on the interior surface of a storage region, or at least one layer of nontoxic material on the interior surface, in any combination or grouping.
  • FIG. 9 illustrates aspects of a substantially thermally sealed storage container 100.
  • the substantially thermally sealed storage container 100 is illustrated from an external view.
  • the substantially thermally sealed storage container 100 includes an outer wall 150 substantially defining the substantially thermally sealed storage container 100, the outer wall 150 substantially defining a single outer wall aperture.
  • a base region 160 is attached to the lower portion of the outer wall 150.
  • Two external access ports 125, 120 are attached to the outer wall 150 and sealed prior to use of the container 100.
  • the container 100 also includes an interior wall substantially defining a thermally-controlled storage region, the interior wall substantially defining a single interior wall aperture, wherein the interior wall and the outer wall are separated by a distance and substantially define a gas-sealed gap.
  • the container 100 includes at least one section of ultra efficient insulation material disposed within the gas-sealed gap.
  • the container 100 includes a connector forming the interior of an access conduit connecting the single outer wall aperture with the single interior wall aperture, and a single access aperture to the thermally-controlled storage region, wherein the single access aperture is defined by an end of the access conduit 130.
  • the access conduit includes an outer wall 110 and an inner wall, the walls of the conduit 130 connected at the outer edge with a seal 135.
  • the container 100 includes at least one inner wall, the inner wall sealed to the interior wall along at least one junction, the inner wall and the interior wall separated by a distance and substantially defining a liquid-impermeable gap, and an aperture in the at least one inner wall.
  • the container 100 includes a primary vapor conduit 180 positioned substantially within the access conduit, the primary vapor conduit 180 including a first end and a second end, the primary vapor conduit 180 sealed to a vapor control unit 140, the first end sealed to the aperture in the at least one inner wall.
  • a second vapor conduit 185 is attached to the vapor control unit 140 at a position distal to the primary vapor conduit 180.
  • the vapor control unit 140 is integral to a vapor conduit.
  • the vapor control unit 140 is integral to a junction between the primary vapor conduit 180 and the second vapor conduit 185.
  • the container 100 includes a vapor conduit junction 920 attached to the second vapor conduit 185 at a position distal to the vapor control unit 140.
  • the vapor conduit junction includes a three-way junction in the conduit, the junction of a size and shape to not inhibit gas flow between the vapor control unit 140 and each of the desiccant storage units 170 A, 170 B.
  • the container 100 includes two desiccant units 170 A, 170 B external to the outer wall 150, each of the desiccant storage units 170 A, 170 B including at least one aperture.
  • the container 100 includes two secondary vapor conduits 900 A, 900 B including a first end and a second end, the first end attached to the vapor conduit junction 920, the second end attached to an aperture in the adjacent desiccant unit 170 A, 170 B, and each of the two secondary vapor conduits 900 A, 900 B including an externally-operable valve 910 A, 910 B.
  • One or more of the externally-operable valves 910 A, 910 B can be configured to substantially eliminate gas flow through the attached secondary vapor conduit 900 A, 900 B when closed.
  • One or more of the externally-operable valves 910 A, 910 B can be configured to allow free gas flow through the attached secondary vapor conduit 900 A, 900 B when open.
  • one or more of the externally-operable valves 910 A, 910 B can include a butterfly valve positioned within the secondary vapor conduit 900 A, 900 B, the butterfly valve attached to an external wheel to open and close the valve within the attached secondary vapor conduit 900 A, 900 B.
  • the second end of each of the secondary vapor conduits 900 A, 900 B is reversibly attachable to the associated desiccant unit 170 A, 170 B with a gas-impermeable, removable fitting.
  • the desiccant units 170 A 170 B can be configured to be removable, replaceable and rechargeable.
  • each of the desiccant units 170 A, 170 B includes a power source 190 A, 190 B.
  • the power source 190 A, 190 B can, for example, be operably connected to a heating element within the desiccant unit 170 A, 170B. See, e.g. Figs. 5 and 6 .
  • Some embodiments include a gas vent mechanism configured to allow gas with a pressure above a preset limit to vent externally from the desiccant unit 170 A, 170 B.
  • a desiccant unit 170 A, 170 B can include a one-way, pressure-sensitive reversible valve.
  • a desiccant unit 170 A, 170 B can include a one-way, pressure-sensitive region that breaks open when subjected to excessive pressure.
  • a container can include one or more interlocks.
  • an "interlock" includes at least one connection between storage regions, wherein the interlock acts so that the motion or operation of one part is constrained by another.
  • An interlock can be in an open position, allowing the movement of stored material from one region to another, or an interlock can be in a closed position to restrict the movement or transfer of material.
  • an interlock can have intermediate stages or intermediate open positions to regulate or control the movement of material.
  • an interlock can have at least one position that restricts egress of a discrete quantity of a material from at least one storage region.
  • an interlock can act to restrict the egress of a stored unit of a material from a storage region until another previously-stored unit of a material egresses from the container.
  • an interlock can act to allow the egress of only a fixed quantity of stored material or stored units of material from a storage region during a period of time.
  • At least one of the one or more interlocks can operate independently of an electrical power source, or at least one of the one or more interlocks can be electrically operable interlocks.
  • An electrical power source can originate, for example, from municipal electrical power supplies, electric batteries, or an electrical generator device.
  • Interlocks can be mechanically operable interlocks.
  • mechanically operable interlocks can include at least one of: electrically actuated mechanically operable interlocks, electromagnetically operable interlocks, magnetically operable interlocks, mechanically actuated interlocks, ballistically actuated interlocks, dynamically actuated interlocks, centrifugally actuated interlocks, optically actuated interlocks, orientationally actuated interlocks, thermally actuated interlocks, or gravitationally actuated interlocks.
  • at least one of the one or more interlocks includes at least one magnet.
  • An interlock can operate to allow the transfer or movement of material from one region to another in a unidirectional or a bidirectional manner.
  • an interlock can operate to allow the transfer of material from a storage region within a container to an intermediate region or a region external to the container in a unidirectional manner, while restricting the transfer or movement of material from a region external to the container into the container.
  • an interlock can operate to allow the transfer of material into at least one storage region within a container, such as for refilling or recharging a supply of material stored within the container.
  • an interlock can operate to restrict the egress of stored material from a storage region while allowing for the ingress of a heat sink material such as dry ice, wet ice, liquid nitrogen, or other heat sink material.
  • a heat sink material such as dry ice, wet ice, liquid nitrogen, or other heat sink material.
  • an interlock can operate to restrict the egress of stored material from a storage region while allowing the ingress of gas or vapor, such as to equalize the gaseous pressure within at least one region within the container with a gaseous pressure external to the container.
  • the substantially thermally sealed storage container can include one or more heat sink units thermally connected to one or more of the at least one storage region. In some embodiments, the substantially thermally sealed storage container can include no heat sink units. In some embodiments, the substantially thermally sealed storage container can include no heat sink units within the interior of the container.
  • heat sink unit includes one or more units that absorb thermal energy. See, for example, U.S. Patent 5,390,734 to Voorhes et al. , titled “Heat Sink,” U.S. Patent 4,057,101 to Ruka et al. , titled “Heat Sink,” U.S. Patent 4,003,426 to Best et al.
  • Heat sink units can include, for example: units containing frozen water or other types of ice; units including frozen material that is generally gaseous at ambient temperature and pressure, such as frozen carbon dioxide (CO 2 ); units including liquid material that is generally gaseous at ambient temperature and pressure, such as liquid nitrogen; units including artificial gels or composites with heat sink properties; units including phase change materials; and units including refrigerants. See, for example: U.S. Patent 5,261,241 to Kitahara et al. , titled “Refrigerant,” U.S.
  • Patent 4,810,403 to Bivens et al. titled “Halocarbon Blends for Refrigerant Use”
  • U.S. Patent 4,428,854 to Enjo et al. titled “Absorption Refrigerant Compositions for Use in Absorption Refrigeration Systems”
  • U.S. Patent 4,482,465 to Gray titled “Hydrocarbon-Halocarbon Refrigerant Blends,” which are each herein incorporated by reference.
  • a substantially thermally sealed container includes at least one layer of nontoxic material on an interior surface of one or more of the at least one thermally sealed storage region.
  • Nontoxic material can include, for example, material that does not produce residue that can be toxic to the contents of the at least one substantially thermally sealed storage region, or material that does not produce residue that can be toxic to the future users of contents of the at least one substantially thermally sealed storage region.
  • Nontoxic material can include material that maintains the chemical structure of the contents of the at least one substantially thermally sealed storage region, for example nontoxic material can include chemically inert or non-reactive materials.
  • Nontoxic material can include material that has been developed for use in, for example, medical, pharmaceutical or food storage applications.
  • Nontoxic material can include material that can be cleaned or sterilized, for example material that can be irradiated, autoclaved, or disinfected.
  • Nontoxic material can include material that contains one or more antibacterial, antiviral, antimicrobial, or antipathogen agents.
  • nontoxic material can include aldehydes, hypochlorites, oxidizing agents, phenolics, quaternary ammonium compounds, or silver.
  • Nontoxic material can include material that is structurally stable in the presence of one or more cleaning or sterilizing compounds or radiation, such as plastic that retains its structural integrity after irradiation, or metal that does not oxidize in the presence of one or more cleaning or sterilizing compounds.
  • Nontoxic material can include material that consists of multiple layers, with layers removable for cleaning or sterilization, such as for reuse of the at least one substantially thermally sealed storage region.
  • Nontoxic material can include, for example, material including metals, fabrics, papers or plastics.
  • a substantially thermally sealed container includes at least one layer including at least one metal on an interior surface of one or more of the at least one thermally sealed storage region.
  • the at least one metal can include gold, aluminum, copper, or silver.
  • the at least one metal can include at least one metal composite or alloy, for example steel, stainless steel, metal matrix composites, gold alloy, aluminum alloy, copper alloy, or silver alloy.
  • the at least one metal includes metal foil, such as titanium foil, aluminum foil, silver foil, or gold foil.
  • a metal foil can be a component of a composite, such as, for example, in association with polyester film, such as polyethylene terephthalate (PET) polyester film.
  • the at least one layer including at least one metal on the interior surface of at least one storage region can include at least one metal that can be sterilizable or disinfected.
  • the at least one metal can be sterilizable or disinfected using plasmons.
  • the at least one metal can be sterilizable or disinfected using autoclaving, thermal means, or chemical means.
  • the at least one layer including at least one metal on the interior surface of at least one storage region can include at least one metal that has specific heat transfer properties, such as a thermal radiative properties.
  • a substantially thermally sealed storage container includes one or more removable inserts within an interior of one or more of the at least one thermally sealed storage region.
  • the removable inserts can be made of any material appropriate for the embodiment, including nontoxic materials, metal, alloy, composite, or plastic.
  • the one or more removable inserts can include inserts that can be reused or reconditioned.
  • the one or more removable inserts can include inserts that can be cleaned, sterilized, or disinfected as appropriate to the embodiment.
  • Some embodiments can include a substantially thermally sealed storage container including one or more temperature sensors.
  • at least one temperature sensor can be located within one or more of the at least one substantially thermally sealed storage region, at least one temperature sensor can be located exterior to the container, or at least one temperature sensor can be located within the structure of the container.
  • multiple temperature sensors can be located in multiple positions.
  • Temperature sensors can include temperature indicating labels, which can be reversible or irreversible. See, for example, the Environmental Indicators sold by ShockWatch Company, with headquarters in Dallas Texas, the Temperature Indicators sold by Cole-Palmer Company of Vernon Hills Illinois and the Time Temperature Indicators sold by 3M Company, with corporate headquarters in St. Paul Minnesota, the brochures for which are each hereby incorporated by reference.
  • Temperature sensors can include time-temperature indicators, such as those described in U.S. Patents 5,709,472 and 6,042,264 to Prusik et al. , titled “Time-temperature indicator device and method of manufacture” and U.S. Patent 4,057,029 to Seiter , titled “Time-temperature indicator,” which are each herein incorporated by reference. Temperature sensors can include, for example, chemically-based indicators, temperature gauges, thermometers, bimetallic strips, or thermocouples.
  • a substantially thermally sealed container can include one or more sensors.
  • multiple sensors can be located in multiple positions.
  • the one or more sensors includes at least one sensor of a gaseous pressure within one or more of the at least one storage region, sensor of a mass within one or more of the at least one storage region, sensor of a stored volume within one or more of the at least one storage region, sensor of a temperature within one or more of the at least one storage region, or sensor of an identity of an item within one or more of the at least one storage region.
  • at least one sensor can include a temperature sensor, such as, for example, chemical sensors, thermometers, bimetallic strips, or thermocouples.
  • An integrally thermally sealed container can include one or more sensors such as a physical sensor component such as described in U.S. Patent 6,453,749 to Petrovic et al. , titled “Physical sensor component,” which is herein incorporated by reference.
  • An integrally thermally sealed container can include one or more sensors such as a pressure sensor such as described in U.S. Patent 5,900,554 to Baba et al. , titled “Pressure sensor,” which is herein incorporated by reference.
  • An integrally thermally sealed container can include one or more sensors such as a vertically integrated sensor structure such as described in U.S. Patent 5,600,071 to Sooriakumar et al. , titled “Vertically integrated sensor structure and method,” which is herein incorporated by reference.
  • An integrally thermally sealed container can include one or more sensors such as a system for determining a quantity of liquid or fluid within a container, such as described in U.S. Patent 5,138,559 to Kuehl et al. , titled “System and method for measuring liquid mass quantity," U.S. Patent 6.050,598 to Upton , titled “Apparatus for and method of monitoring the mass quantity and density of a fluid in a closed container, and a vehicular air bag system incorporating such apparatus," and U.S. Patent 5,245,869 to Clarke et al. , titled “High accuracy mass sensor for monitoring fluid quantity in storage tanks,” which are each herein incorporated by reference.
  • sensors such as a system for determining a quantity of liquid or fluid within a container, such as described in U.S. Patent 5,138,559 to Kuehl et al. , titled “System and method for measuring liquid mass quantity," U.S. Patent 6.050,598 to Upton , titled “App
  • An integrally thermally sealed container can include one or more sensors of radio frequency identification (“RFID”) tags to identify material within the at least one substantially thermally sealed storage region.
  • RFID tags are well known in the art, for example in U.S. Patent 5,444,223 to Blama , titled “Radio frequency identification tag and method,” which is herein incorporated by reference.
  • a substantially thermally sealed container can include one or more communications devices.
  • the one or more communications devices can include, for example, one or more recording devices, one or more transmission devices, one or more display devices, or one or more receivers.
  • Communications devices can include, for example, communication devices that allow a user to detect information about the container visually, auditorily, or via signal to a remote device.
  • Some embodiments can include communications devices on the exterior of the container, including devices attached to the exterior of the container, devices adjacent to the exterior of the container, or devices located at a distance from the exterior of the container.
  • Some embodiments can include communications devices located within the structure of the container.
  • Some embodiments can include communications devices located within at least one of the one or more substantially thermally sealed storage regions.
  • Some embodiments can include at least one display device located at a distance from the container, for example a display located at a distance operably linked to at least one sensor.
  • Some embodiments can include more than one type of communications device, and in some embodiments the devices can be operably linked.
  • some embodiments can contain both a receiver and an operably linked transmission device, so that a signal can be received by the receiver which then causes a transmission to be made from the transmission device.
  • Some embodiments can include more than one type of communications device that are not operably linked.
  • some embodiments can include a transmission device and a display device, wherein the transmission device is not linked to the display device.
  • a substantially thermally sealed storage container includes at least one authentication device, wherein the at least one authentication device can be operably connected to at least one of the one or more interlocks.
  • a substantially thermally sealed storage container includes at least one authentication device, wherein the at least one authentication device can be operably connected to at least one externally-operable opening, control egress device, communications device, or other component.
  • an authentication device can include a device which can be authenticated with a key, or a device that can be authenticated with a code, such as a password or a combination.
  • an authentication device can include a device that can be authenticated using biometric parameters, such as fingerprints, retinal scans, hand spacing, voice recognition or biofluid composition (e.g. blood, sweat, or saliva).
  • a substantially thermally sealed storage container includes at least one logging device, wherein the at least one logging device is operably connected to at least one of the one or more interlocks.
  • a substantially thermally sealed storage container includes at least one logging device, wherein the at least one logging device can be operably connected to at least one externally-operable opening, control egress device, communications device, or other component.
  • the at least one logging device can be configured to log information desired by the user.
  • a substantially thermally sealed container can include at least one logging device, wherein the at least one logging device is operably connected to at least one of the one or more outlet channels.
  • a logging device can include a record of authentication via the authentication device, such as a record of times of authentication, operation of authentication or individuals making the authentication.
  • a logging device can record that an authentication device was authenticated with a specific code which identifies a specific individual at one or more specific times.
  • a logging device can record egress of a quantity of a material from one or more of at least one storage region, such as recording that some quantity or units of material egressed at a specific time.
  • a logging device can record information from one or more sensors, one or more temperature indicators, or one or more communications devices.
  • a substantially thermally sealed storage container can include at least one control ingress device, wherein the at least one control ingress device is operably connected to at least one of the one or more interlocks.
  • a substantially thermally sealed storage container includes at least one control ingress device, wherein the at least one control ingress device can be operably connected to at least one externally-operable opening, control egress device, communications device, or other component.
  • at least one control ingress device can control ingress into the inner assembly of the container, such as ingress of: substance or material to be stored, heat sink material, one or more devices, electromagnetic radiation, gas, or vapor.
  • an integrally thermally sealed container can include one or more recording devices.
  • the one or more recording devices can include devices that are magnetic, electronic, chemical, or transcription based recording devices.
  • One or more recording device can be located within one or more of the at least one substantially thermally sealed storage region, one or more recording device can be located exterior to the container, or one or more recording device can be located within the structure of the container.
  • the one or more recording device can record, for example, the temperature from one or more temperature sensor, the result from one or more temperature indicator, or the gaseous pressure, mass, volume or identity of an item information from at least one sensor within the at least one storage region.
  • the one or more recording devices can be integrated with one or more sensor.
  • an integrally thermally sealed container can include one or more transmission device.
  • One or more transmission device can be located within at least one substantially thermally sealed storage region, one or more transmission device can be located exterior to the container, or one or more transmission device can be located within the structure of the container.
  • the one or more transmission device can transmit any signal or information, for example, the temperature from one or more temperature sensor, or the gaseous pressure, mass, volume or identity of an item or information from at least one sensor within the at least one storage region.
  • the one or more transmission device can be integrated with one or more sensor, or one or more recording device.
  • the one or more transmission devices can transmit by any means known in the art, for example, but not limited to, via radio frequency (e.g. RFID tags), magnetic field, electromagnetic radiation, electromagnetic waves, sonic waves, or radioactivity.
  • an integrally thermally sealed container can include one or more receivers.
  • one or more receivers can include devices that detect sonic waves, electromagnetic waves, radio signals, electrical signals, magnetic pulses, or radioactivity.
  • one or more receiver can be located within one or more of the at least one substantially thermally sealed storage region.
  • one or more receivers can be located within the structure of the container.
  • the one or more receivers can be located on the exterior of the container.
  • the one or more receiver can be operably coupled to another device, such as, for example, one or more display devices, recording devices or transmission devices.
  • a receiver can be operably coupled to a display device on the exterior of the container so that when an appropriate signal is received, the display device indicates data, such as time or temperature data.
  • a receiver can be operably coupled to a transmission device so that when an appropriate signal is received, the transmission device transmits data, such as location, time, or positional data.
  • Figure 10 illustrates aspects of an embodiment of a vapor control unit 140.
  • the vapor control unit 140 shown in Figure 10 is positioned at the junction between a first vapor conduit 180 and a second vapor conduit 185.
  • Figure 10 illustrates a vapor control unit 140 within the interior dimensions of the junction between a first vapor conduit 180 and a second vapor conduit 185.
  • the vapor control unit 140 is sealed to each of the first vapor conduit 180 and a second vapor conduit 185 with a gas-impermeable seal.
  • the vapor control unit 140 includes a valve region 1050 and a control region 1060.
  • the valve region 1050 of the vapor control unit 140 illustrated in Figure 10 includes a valve 345.
  • the valve 345 is a butterfly valve, directly physically connected to the control region 1060 of the vapor control unit 140.
  • the valve 345 is positioned and sized to include at least two positions, a substantially open position and a substantially closed position within the valve region 1050.
  • the dimensions of the valve 345 within the valve region 1050 of the vapor control unit 140 permit free flow of gas, including vapor, between the first vapor conduit 180 and the second vapor conduit 185 to equalize gas pressure between the first vapor conduit 180 and the second vapor conduit 185.
  • the valve 345 is of a size and shape to substantially block the flow of gas between the first vapor conduit 180 and the second vapor conduit 185 when the valve 345 is in a substantially closed position.
  • a valve 345 includes one or more intermediate positions that partially impede gas flow through the valve 345 between the first vapor conduit 180 and the second vapor conduit 185, but do not fully block gas flow.
  • a valve 345 can have a "half-flow" position, or a position that reduces the flow of gas through the valve 345, and therefore between the first vapor conduit 180 and the second vapor conduit 185, by approximately half, relative to the fully open position.
  • a valve 345 can have a "quarter-flow” position, or a position that reduces the flow of gas through the valve 345, and therefore between the first vapor conduit 180 and the second vapor conduit 185 to approximately one quarter of the gas flow relative to the fully open position.
  • the valve 345 illustrated in Figure 10 is directly connected to a motor 1000.
  • the motor 1000 is a servomotor.
  • the motor 1000 is a stepper motor.
  • the motor 1000 is directly connected to the valve 345 and causes the opening and closing of the valve 345 on receipt of signals from the controller 360.
  • the motor 1000 is directly connected to the controller 360 with a wire connector.
  • the controller 360 is an electronic controller.
  • an electronic controller is a "bang-bang" controller.
  • an electronic controller is a bounded system controller.
  • an electronic controller is a threshold system controller.
  • an electronic controller is a feedback system controller.
  • an electronic controller is a PID controller.
  • a sensor 350 is attached to the controller 360 with a wire connector 370 in the embodiment illustrated in Figure 10 .
  • the controller 360 can include circuitry configured to perform specific operations and processes.
  • the controller 360 can include circuitry configured to accept data from an attached sensor and determine if the data is within a preset range, wherein the controller sends a signal to the motor 1000 that results in either opening or closing the valve 345, relative to if the data is above or below the preset range.
  • a controller includes circuitry that accepts data originating with a temperature sensor, compares that data with a preset range of temperatures, and if the data from the temperature sensor indicates a detected temperature that is above the preset range, the controller sends a signal to the motor to initiate the valve to open.
  • a controller includes circuitry that accepts data originating with a temperature sensor, compares that data with a preset range of temperatures, and if the data from the temperature sensor indicates a detected temperature that is within the preset range, the controller does not send a signal to the motor.
  • a controller includes circuitry that accepts data originating with a temperature sensor, compares that data with a preset range of temperatures, and if the data from the temperature sensor indicates a detected temperature that is below the preset range, the controller sends a signal to the motor to initiate the valve to close.
  • the preset temperature range is between 2 degrees Centigrade and 8 degrees Centigrade.
  • the preset temperature range is between 3 degrees Centigrade and 7 degrees Centigrade. In some embodiments, the preset temperature range is between -2 degrees Centigrade and +2 degrees Centigrade. In some embodiments, the preset temperature range is between -3 degrees Centigrade and -7 degrees Centigrade.
  • the controller includes circuitry that calculates an error value between data accepted from a sensor and a predetermined target value.
  • the calculation can include data accepted over time, i.e. multiple data points from a single sensor.
  • the calculation can include data accepted from a plurality of sensors.
  • the controller can calculate a predicted future error value.
  • the circuitry then calculates a combined error value. If the calculated combination of the calculated past, present and future error values is beyond the preset setpoint, the circuitry then initiates a signal to the motor to alter the opening of the valve.
  • a preset setpoint for some embodiments of a vapor control unit is 5 degrees Centigrade.
  • the controller would send a signal to the motor, the signal of a type to initiate the motor to open the attached valve.
  • the preset setpoint e.g. 8 degrees Centigrade
  • the controller would send a signal to the motor, the signal of a type to initiate the motor to close the attached valve.
  • the control region 1060 of the vapor control unit 140 includes a power source 1020.
  • the power source 1020 can include, for example, a battery.
  • the battery can be rechargeable, for example from a AC or DC power source or a mechanical mechanism, such as a crank.
  • the power source can include a solar cell connected to the external surface of the vapor control unit 140.
  • the power source 1020 is connected to the controller 360 with a wire connection.
  • the power source 1020 supplies electrical power to the controller 360, which then further transfers electrical power to the motor 1000.
  • the controller 360 can, for example, transfer power to the motor when needed to operate the motor 1000.
  • the power source 1020 supplies electrical power to the motor 1000 directly, such as through a direct wire connection.
  • Figure 10 illustrates that in some embodiments the control region 1060 of the vapor control unit 140 includes optional memory 1030.
  • the memory 1030 can, for example, be non-volatile memory.
  • the memory 1030 can, for example, be integrated into the controller 360, or operably connected to the controller 360.
  • the memory 1030 can, for example, be random-access (RAM) memory.
  • control region 1060 of the vapor control unit 140 includes optional transmitter unit 1040.
  • the control region 1060 can include a transmitter unit 1040 including an antenna and circuitry configured to send a signal from the antenna.
  • the circuitry configured to send a signal from the antenna can be responsive to the controller 360, for example the circuitry configured to send a signal from the antenna can send the signal based on data received from the controller 360 ( e.g. one or more data points based on data from the sensor, information on activity of the motor 1000, or the result of calculations made by the controller 360).
  • the transmitter unit can be, for example, a BluetoothTM unit.
  • FIGS 11A and 11B depict aspects of a vapor control unit 140.
  • the vapor control unit 140 is positioned between the ends of a first vapor conduit 180 and a second vapor conduit 185.
  • the respective ends of the vapor control unit 140 are each sealed to an end of the first vapor conduit 180 or the second vapor conduit 185 with a gas-impermeable seal.
  • the vapor control unit 140 includes a valve region 1050 and a control region 1060.
  • the vapor control unit 140 illustrated in Figure 11A includes a valve region 1050 including a valve 345 and a movable unit 1100.
  • the movable unit 1100 is physically attached to the valve 345 and configured to provide physical force against the valve 345 in response to a stimulus.
  • a movable unit 1100 is a crank mechanism attached to a valve 345.
  • a movable unit 1100 includes a bonnet and a stem attached to a valve interior that includes a disc and a physical seat for the disc.
  • a valve 345 includes a physically deformable region of a conduit
  • a movable unit 1100 includes at least two physical elements that are positioned to press against opposing exterior surfaces of the physically deformable region of the conduit in response to a signal from the controller.
  • a valve region 1050 includes a valve 345 with a physically deformable region of a conduit and a movable unit 1100 that includes a reversible clamp on the exterior of the valve, wherein the movable unit 1100 is attached to a controller.
  • the movable unit 1100 includes a motor.
  • the movable unit 1100 is entirely internal to the vapor control unit 140.
  • the movable unit 1100 includes one or more elements that are external to the vapor control unit 140.
  • the movable unit 1100 is operably attached to the controller 360 within the control region 1060 of the vapor control unit 140.
  • a power source 1020 is attached to the controller 360.
  • the power source 1020 and the controller 360 supply power to the movable unit 1100, for example a motor element of the movable unit 1100, as needed for operation of the movable unit 1100.
  • the controller 360 accepts data from an attached sensor 350 within the first vapor conduit 180. Although the sensor 350 is illustrated in Figures 11A and 11B as adjacent to the junction between the vapor control unit 140 and the first vapor conduit 180, in some embodiments the sensor 350 is positioned distal to the junction between the vapor control unit 140 and the first vapor conduit 180.
  • a sensor 350 is positioned adjacent to the substantially thermally sealed storage region within a container. See, e.g. Figure 5 .
  • the sensor 350 is attached to the controller 360 with a wire connector 370 in the embodiment illustrated in Figures 11A and 11B .
  • memory 1030 is connected to the controller 360.
  • memory 1030 is integrated with the controller 360.
  • Some embodiments include a transmitter 1040 attached to the controller 360.
  • a transmitter 1040 is integrated with the controller 360.
  • components of the control region 1060 including the controller 360, the power unit 1020, the memory 1030 and the transmitter 1040 are shown as filling space within the interior of the vapor control unit 140.
  • the components are displayed in an enlarged and distinct manner for ease of visualization.
  • the components of the control region 1060 would not impede vapor flow through the vapor control unit 140.
  • the components illustrated would be smaller than shown.
  • the valve region 1050 of the vapor control unit 140 is the limiting factor for vapor flow between the first vapor conduit 180 and the second vapor conduit 185 through the vapor control unit 140.
  • FIG 11A illustrates an embodiment of a vapor control unit 140 with the valve 345 in a substantially open position.
  • the movable unit 1100 attached to the valve 345 is positioned substantially flush with the exterior surface of the vapor control unit 140. This allows for maximum vapor flow between the first vapor conduit 180 and the second vapor conduit 185 through the vapor control unit 140. For example, evaporated liquid from the evaporative unit will flow freely through the vapor control unit 140 to the desiccant unit in the configuration shown in Figure 11A .
  • Figure 11B illustrates the same embodiment as shown in Figure 11A , with the valve 345 in a substantially closed position.
  • the movable unit 1100 attached to the valve 345 has moved the valve to a position adjacent to the interior surface of the vapor control unit 140.
  • An externally- visible gap 1120 is formed in the vapor control unit 140 when the valve is in the illustrated "closed" position.
  • the position of the movable unit 1100 and the valve 345 allows for minimal vapor flow between the first vapor conduit 180 and the second vapor conduit 185 through the vapor control unit 140.
  • a valve 345 of a vapor control unit 140 has one or more intermediate or partially open/partially closed configurations that partially restrict vapor flow through the vapor control unit 140 and between the first vapor conduit 180 and the second vapor conduit 185.
  • logic and similar implementations can include computer programs or other control structures.
  • Electronic circuitry for example, can have one or more paths of electrical current constructed and arranged to implement various functions as described herein.
  • one or more media can be configured to bear a device-detectable implementation when such media hold or transmit device detectable instructions operable to perform as described herein.
  • implementations can include an update or modification of existing software or firmware, or of gate arrays or programmable hardware, such as by performing a reception of or a transmission of one or more instructions in relation to one or more operations described herein.
  • an implementation can include special-purpose hardware, software, firmware components, and/or general-purpose components executing or otherwise invoking special-purpose components.
  • electrical circuitry includes, but is not limited to, electrical circuitry having at least one discrete electrical circuit, electrical circuitry having at least one integrated circuit, electrical circuitry having at least one application specific integrated circuit, electrical circuitry forming a general purpose computing device configured by a computer program (e.g., a general purpose computer configured by a computer program which at least partially carries out processes and/or devices described herein, or a microprocessor configured by a computer program which at least partially carries out processes and/or devices described herein), electrical circuitry forming a memory device (e.g., forms of memory (e.g., random access, flash, read only, etc.)), and/or electrical circuitry forming a memory device (e.g., forms of memory (e.g., random access, flash, read only, etc.)), and/or electrical circuitry forming
  • implementations can include executing a special-purpose instruction sequence or invoking circuitry for enabling, triggering, coordinating, requesting, or otherwise causing one or more occurrences of virtually any functional operation described herein.
  • operational or other logical descriptions herein can be expressed as source code and compiled or otherwise invoked as an executable instruction sequence.
  • implementations can be provided, in whole or in part, by source code, such as C++, or other code sequences.
  • source or other code implementation using commercially available and/or techniques in the art, can be compiled/ /implemented/translated/converted into a high-level descriptor language (e.g., initially implementing described technologies in C or C++ programming language and thereafter converting the programming language implementation into a logic-synthesizable language implementation, a hardware description language implementation, a hardware design simulation implementation, and/or other such similar mode(s) of expression).
  • a high-level descriptor language e.g., initially implementing described technologies in C or C++ programming language and thereafter converting the programming language implementation into a logic-synthesizable language implementation, a hardware description language implementation, a hardware design simulation implementation, and/or other such similar mode(s) of expression.
  • a logical expression e.g., computer programming language implementation
  • a Verilog-type hardware description e.g., via Hardware Description Language (HDL) and/or Very High Speed Integrated Circuit Hardware Descriptor Language (VHDL)
  • VHDL Very High Speed Integrated Circuit Hardware Descriptor Language
  • circuitry model which can then be used to create a physical implementation having hardware (e.g., an Application Specific Integrated Circuit).
  • various aspects of the embodiments described herein can be implemented, individually and/or collectively, by various types of electro-mechanical systems having a wide range of electrical components such as hardware, software, firmware, and/or virtually any combination thereof, limited to patentable subject matter under 35 U.S.C. 101; and a wide range of components that can impart mechanical force or motion such as rigid bodies, spring or torsional bodies, hydraulics, electro-magnetically actuated devices, and/or virtually any combination thereof.
  • electro-mechanical system includes, but is not limited to, electrical circuitry operably coupled with a transducer (e.g., an actuator, a motor, a piezoelectric crystal, a Micro Electro Mechanical System (MEMS), etc.), electrical circuitry having at least one discrete electrical circuit, electrical circuitry having at least one integrated circuit, electrical circuitry having at least one application specific integrated circuit, electrical circuitry forming a general purpose computing device configured by a computer program (e.g., a general purpose computer configured by a computer program which at least partially carries out processes and/or devices described herein, or a microprocessor configured by a computer program which at least partially carries out processes and/or devices described herein), electrical circuitry forming a memory device (e.g., forms of memory (e.g., random access, flash, read only, etc.)), electrical circuitry forming a communications device (e.g., a modem, communications switch, optical-electrical equipment, etc.), and/or any non-mechanical device.
  • a transducer
  • a data processing system generally includes one or more of a system unit housing, a video display device, memory such as volatile or nonvolatile memory, processors such as microprocessors or digital signal processors, computational entities such as operating systems, drivers, graphical user interfaces, and applications programs, one or more interaction devices (e.g., a touch pad, a touch screen, an antenna, etc.), and/or control systems including feedback loops and control motors (e.g., feedback for sensing position and/or velocity; control motors for moving and/or adjusting components and/or quantities).
  • a data processing system can be implemented utilizing suitable commercially available components, such as those typically found in data computing/communication and/or network computing/communication systems.
  • an implementer determines that speed and accuracy are paramount, the implementer can opt for a mainly hardware and/or firmware vehicle; alternatively, if flexibility is paramount, the implementer can opt for a mainly software implementation; or, yet again alternatively, the implementer can opt for some combination of hardware, software, and/or firmware in one or more machines, compositions of matter, and articles of manufacture, limited to patentable subject matter under 35 USC 101.
  • any two components so associated can also be viewed as being “operably connected”, or “operably coupled,” to each other to achieve the desired functionality, and any two components capable of being so associated can also be viewed as being “operably couplable,” to each other to achieve the desired functionality.
  • operably couplable include but are not limited to physically mateable and/or physically interacting components, and/or wirelessly interactable, and/or wirelessly interacting components, and/or logically interacting, and/or logically interactable components.
  • one or more components can be referred to herein as “configured to,” “configured by,” “configurable to,” “operable/operative to,” “adapted/adaptable,” “able to,” “conformable/conformed to,” etc. Such terms (e.g. "configured to”) generally encompass active-state components and/or inactive-state components and/or standby-state components, unless context requires otherwise.

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  • Sorption Type Refrigeration Machines (AREA)
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EP2979044A1 (en) 2016-02-03
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DK2979044T3 (da) 2020-12-21
JP6411457B2 (ja) 2018-10-24
CN105378396A (zh) 2016-03-02
WO2014160831A1 (en) 2014-10-02
EP2979044A4 (en) 2016-12-28
CN107062682A (zh) 2017-08-18

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