US20190241348A1 - Conservation insulated container and/or transportation of perishable or heat sensitive products - Google Patents

Conservation insulated container and/or transportation of perishable or heat sensitive products Download PDF

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Publication number
US20190241348A1
US20190241348A1 US16/216,429 US201816216429A US2019241348A1 US 20190241348 A1 US20190241348 A1 US 20190241348A1 US 201816216429 A US201816216429 A US 201816216429A US 2019241348 A1 US2019241348 A1 US 2019241348A1
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US
United States
Prior art keywords
container
compartment
product compartment
cryogenic
product
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.)
Abandoned
Application number
US16/216,429
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English (en)
Inventor
Jean-Pierre Bernard
Antony Dallais
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Publication of US20190241348A1 publication Critical patent/US20190241348A1/en
Abandoned legal-status Critical Current

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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
    • F25D3/125—Movable containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/04—Controlling heat transfer

Definitions

  • the invention relates to the field of transporting or distributing perishable foodstuffs and other cooked meals or food in isothermal containers, and that of heat-sensitive products (drugs, vaccines, etc.), whether this for example be, in the case of containers or trucks, where maintaining the cold chain is ensured through the intervention of a refrigerant (cold gas, cryogenic liquid such as liquid nitrogen, dry ice, etc.).
  • a refrigerant cold gas, cryogenic liquid such as liquid nitrogen, dry ice, etc.
  • central kitchens or alternatively distribution centers use isothermal trolleys to transport and distribute cooked meals or food from their kitchens or platforms to the site(s) of consumption: hospital catering, company canteens, school canteens, etc.
  • the refrigerant gas, cryogenic liquid, solid, whether this be nitrogen, CO 2 or something else
  • the refrigerant may be placed directly in the container or in a reservoir to be inserted inside the container, or sent into an exchanger situated in the container, or alternatively still, and again by way of illustration, sent into a capacity situated in the container itself or nearby (or alternatively affixed, for example when the container is a truck), from which capacity fluid is drawn and sent to the container, to a reservoir situated in the container, or to an exchanger situated in the container, etc.
  • cryogenic trolleys/containers are very often parallelepipedal in shape, they very often comprise a cryogenic compartment arranged in the upper part of the container, above the storage compartment in which the products that are to be kept at a controlled temperature are placed and, traditionally, this upper compartment houses a reservoir intended to contain a refrigerant, for example carbon dioxide in the solid phase, the sublimation of which releases cold gases to compensate for the ingress of heat through the joints between the container and its door or else through the insulating walls of the container.
  • the cooked meals are then housed in the product storage compartment of these isothermal containers, which are themselves transported in trucks to the user site (hospital, school canteen, office canteen, etc.).
  • Cooling occurs by contact between the air and the lower cold plate of the cryogenic compartment or through the fact that the lower face of the compartment is “holed” in order to allow cold gas to pass toward the product compartment.
  • the cryogenic compartment comprises a heat screen affording protection to the stored foodstuffs.
  • the present invention therefore proposes implementing the following means:
  • the fan(s) may stop before the end of the pull-down phase.
  • the phase then continues without the aid of the forced convection, but by natural convection, therefore somewhat like in the prior art, i.e. through exchange between the cooled air near the cold plate which forms the bottom of the cryogenic compartment, and the air further away in the product compartment.
  • the trolley is fitted with means that allow a radiative effect to be installed in the product compartment, for example via the presence of metallic plates or of a low-emissivity coating (paint, etc.) on all or part of the vertical walls of the trolley, which radiation is of particular benefit during the “maintain” phase.
  • a radiative effect to be installed in the product compartment, for example via the presence of metallic plates or of a low-emissivity coating (paint, etc.) on all or part of the vertical walls of the trolley, which radiation is of particular benefit during the “maintain” phase.
  • the “Seebeck” effect is obtained by employing:
  • a “cold” side which is a metallic surface (for example made of copper, of aluminum, or else of stainless steel) in contact with the cold source (i.e. the addition of cryogen) for example with the cold plate which forms the bottom of the cryogenic compartment or one of the lateral surfaces thereof; and
  • a “hot” side which is embodied by the temperature of the product compartment, which temperature is preferably maintained by dissipating cold using a radiator by exchange with the air prevailing in the product compartment.
  • FIGS. 1 and 2 provide schematic depictions of one embodiment of the invention.
  • FIG. 1 is a schematic view of a container for preserving and/or transporting perishable products.
  • FIG. 2 is a partial schematic view of the container of FIG. 1 that also illustrates the location of a Seebeck module used to power a fan.
  • FIG. 1 depicts an overall diagram of a container 1 preserving and/or transporting perishable products (of parallelepipedal conventional structure equipped with an access and loading door, not visible in this highly schematic figure), of the type comprising a cryogenic compartment 2 able to receive a mass of a cryogenic fluid, for example of dry ice, and a product storage compartment 3 for the products to be preserved or transported, situated in the bottom part of the container, where cooling takes place by contact between the air of the product compartment and the cold plate ( 10 in FIG. 2 ) that constitutes the lower part of the cryogenic compartment.
  • perishable products of parallelepipedal conventional structure equipped with an access and loading door, not visible in this highly schematic figure
  • a cryogenic compartment 2 able to receive a mass of a cryogenic fluid, for example of dry ice
  • a product storage compartment 3 for the products to be preserved or transported
  • This figure indicates the location of a “Seebeck” module 4 which will be detailed in the context of FIG. 2 .
  • FIG. 2 is a schematic diagram providing detail and a better understanding of one of the implementations of the invention; it is not drawn to scale and is a kind of zoom in on the “Seebeck” part quite simply permitting a better understanding of this part.
  • FIG. 2 shows the cold plate 10 that constitutes the lower part of the cryogenic compartment 2 , in contact with which is positioned the “Seebeck” module 4 , the two connectors of which are connected to the fan 5 .
  • FIG. 2 The detailed view in the left-hand part of FIG. 2 shows one example of a standard Seebeck module that can be used.
  • radiator 6 for dissipating cold and thus lowering and/or maintaining a temperature in the product compartment.
  • “Comprising” in a claim is an open transitional term which means the subsequently identified claim elements are a nonexclusive listing i.e. anything else may be additionally included and remain within the scope of “comprising.” “Comprising” is defined herein as necessarily encompassing the more limited transitional terms “consisting essentially of” and “consisting of”; “comprising” may therefore be replaced by “consisting essentially of” or “consisting of” and remain within the expressly defined scope of “comprising”.
  • Providing in a claim is defined to mean furnishing, supplying, making available, or preparing something. The step may be performed by any actor in the absence of express language in the claim to the contrary.
  • Optional or optionally means that the subsequently described event or circumstances may or may not occur.
  • the description includes instances where the event or circumstance occurs and instances where it does not occur.
  • Ranges may be expressed herein as from about one particular value, and/or to about another particular value. When such a range is expressed, it is to be understood that another embodiment is from the one particular value and/or to the other particular value, along with all combinations within said range.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
US16/216,429 2017-12-12 2018-12-11 Conservation insulated container and/or transportation of perishable or heat sensitive products Abandoned US20190241348A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1761996A FR3074884B1 (fr) 2017-12-12 2017-12-12 Conteneur isotherme de conservation et/ou transport de produits perissables ou thermosensibles
FRFR1761996 2017-12-12

Publications (1)

Publication Number Publication Date
US20190241348A1 true US20190241348A1 (en) 2019-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
US16/216,429 Abandoned US20190241348A1 (en) 2017-12-12 2018-12-11 Conservation insulated container and/or transportation of perishable or heat sensitive products

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US (1) US20190241348A1 (fr)
EP (1) EP3499155B1 (fr)
FR (1) FR3074884B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130269384A1 (en) * 2012-03-30 2013-10-17 B/E Aerospace, Inc. Aircraft galley chiller system
KR101682553B1 (ko) * 2015-09-16 2016-12-05 한국식품연구원 삼온 유통 수배송 차량
US20180266895A1 (en) * 2017-03-16 2018-09-20 Systems And Software Enterprises, Llc Power Source For A Vehicle Service Cart

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003156272A (ja) * 2001-11-17 2003-05-30 Yasuhiro Murata 冷媒を使用した保冷システム
US8567211B2 (en) * 2010-02-17 2013-10-29 Hafeth A. Al-Rasheed Portable hygenic ice chest for medical supplies or the like
DE102016107813B3 (de) * 2016-04-27 2017-05-04 Verein zur Förderung innovativer Verfahren in der Logistik, VVL e.V. Mehrwegfähige Transportbox

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130269384A1 (en) * 2012-03-30 2013-10-17 B/E Aerospace, Inc. Aircraft galley chiller system
KR101682553B1 (ko) * 2015-09-16 2016-12-05 한국식품연구원 삼온 유통 수배송 차량
US20180266895A1 (en) * 2017-03-16 2018-09-20 Systems And Software Enterprises, Llc Power Source For A Vehicle Service Cart

Also Published As

Publication number Publication date
EP3499155A1 (fr) 2019-06-19
EP3499155B1 (fr) 2020-12-30
FR3074884B1 (fr) 2019-11-22
FR3074884A1 (fr) 2019-06-14

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