EP2902357B1 - Système de transfert de matière rechargeable - Google Patents

Système de transfert de matière rechargeable Download PDF

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Publication number
EP2902357B1
EP2902357B1 EP15152790.0A EP15152790A EP2902357B1 EP 2902357 B1 EP2902357 B1 EP 2902357B1 EP 15152790 A EP15152790 A EP 15152790A EP 2902357 B1 EP2902357 B1 EP 2902357B1
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EP
European Patent Office
Prior art keywords
vessel
transfer device
force transfer
container
thruster
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
EP15152790.0A
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German (de)
English (en)
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EP2902357A1 (fr
Inventor
Robert D. Thibodeau
Eric A. Williams
Lawrence M. Levenstein
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.)
CH&I Technologies Inc
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CH&I Technologies Inc
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Publication date
Priority claimed from US14/167,882 external-priority patent/US10221059B2/en
Application filed by CH&I Technologies Inc filed Critical CH&I Technologies Inc
Publication of EP2902357A1 publication Critical patent/EP2902357A1/fr
Application granted granted Critical
Publication of EP2902357B1 publication Critical patent/EP2902357B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0227—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by an ejection plunger
    • B67D7/0233—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by an ejection plunger the plunger being gas driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D2210/0016—Adapted for dispensing high viscosity products

Definitions

  • the present invention relates to the field of materials management.
  • the present invention relates to the field of materials management, and more particularly to systems designed for containing, transferring, delivering and dispensing various materials.
  • the material management system of the invention is configured to deliver contamination free streams from a vessel that can be emptied and refilled repeatedly, without intervening cleaning of the vessel or its components.
  • a fluid is a substance that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape.
  • Certain materials while normally not considered to be fluids, also can be made to flow under certain conditions, for example, soft solids and semi-solids.
  • Vast quantities of fluids are used in transportation, manufacturing, farming, mining, and industry.
  • Thick fluids, viscous fluids, semi-solid fluids, visco-elastic products, pastes, gels and other fluid materials that are not easy to dispense from fluid sources comprise a sizable portion of the fluids utilized.
  • These fluids include thick and/or viscous chemicals and other such materials, for example, lubricating greases, adhesives, sealants and mastics.
  • cheeses, creams, food pastes and the like must be moved from point to point without degrading the food's quality and freshness.
  • hard to move fluids that are thick and/or viscous are commonly used. The ability to transport these materials from one place to another, for example, from a container to a manufacturing or processing site, and in a manner that protects the quality of the material, is of vital importance.
  • vessels and containers were basic moderate-high-pressure vessels having characteristics that were deficient in transferring difficult to move materials.
  • such vessels often were relatively heavy, mild steel, converted air receivers.
  • Other such vessels were merely thin-walled, special steel alloy, converted propane tanks.
  • the vessels were manufactured under DOT regulations, and therefore required relatively frequent re-certification.
  • Such containers also were susceptible to internal rusting, and often were closed, and therefore difficult to clean.
  • the containers were not bimodal (for liquids and/or thick fluids).
  • past container internals consisted of only one internal subsystem, a follower device that had a single function, to prevent high-pressure gas bypassing.
  • One disclosed reusable viscous material dispensing apparatus system includes a follower boat having a lower hull portion that is weighted with ballast.
  • the diameter of the boat is smaller than the inner diameter of the cylinder, such that the boat floats in a cylinder filled with viscous materials, such as thick lubricating greases.
  • the cylinder is filled with a viscous material through its ingress and egress opening.
  • the boat attempts to force the viscous material out of the container through a common ingress and egress opening, until the bottom of the boat seats on and blocks the opening.
  • the disclosed container is configured as a vertical, closed, pressure vessel that may be difficult to clean.
  • the disclosed boat is a single-function (prevents gas bypass), heavy, difficult to manufacture apparatus.
  • a refillable material transfer system that can move highly viscous fluids from a vessel to a point of use.
  • a material transfer system that will dispense only the required amount of material without waste, which is especially important when chemicals are not easily handled and cannot be manually removed easily or safely from the vessel.
  • a material transfer system would reduce or eliminate costs and expenses attendant to using drums, kegs and pails, as well as the waste of material associated with most existing systems.
  • US2005/232072 discloses a refillable material transfer system comprising the features of the preamble of appended claim 1.
  • DE19636581 discloses a refillable multi-path container for highly viscous media with an anti-stick coating of Teflon® to decrease surfaces roughness.
  • the present invention is directed to a refillable material transfer system for dispensing various materials, including thick, viscous and other types of fluids that resist pumping and/or which might be damaging to pumping apparatus, as claimed in claim 1.
  • a material management system adapted for delivery of contamination-free streams of fluid product, which can be emptied and refilled repeatedly without intervening cleaning of the apparatus. Also disclosed is a material management system adapted to dispense thick, stiff, and/or viscous materials that resist flowing without the need for a separate pump or the need to couple a pump to a follower plate in the container. Also disclosed is a material management system adapted to provide information to users as to how much fluid remains in the container. Also disclosed is a fluid management system adapted to deliver high fluid flow rates within a greater operational temperature range.
  • a reusable, refillable, and recyclable system useful in packaging, storing, transferring, and dispensing viscous material, such as fluids and liquids is disclosed.
  • the system includes a material containment vessel with an upper region incorporating a motive force, and a bottom region with a material ingress and egress opening.
  • the material ingress and egress may be configured in a manifold or other structure positioned at the top of the vessel.
  • a biconical or other shaped, level-instrumented force transfer device is located in the material containment area.
  • the force transfer device can be weighted to an amount depending upon the application.
  • the diameter and height of the tangential element of the force transfer device forms a cylindrical interface region. The diameter of this cylindrical interface region is smaller than the inner diameter of the material container forming an annulus that is matched to the viscous fluid or liquid and to the operating conditions of the system.
  • the force transfer device is an energy transducer when the material containment is filled with highly viscous materials, such as adhesives, sealants, mastics or lubricating greases.
  • the force transfer device may serve as an integral part of a level indicator for both viscous fluids and lower viscosity liquids.
  • the viscous material itself forms a seal between the interface region of the force transfer device and the inside wall of the fluid vessel.
  • Vertical stabilizing elements may extend outward from the force transfer device. These stabilizing elements prevent the interface region from scraping viscous materials off the sidewalls of the fluid containment.
  • the vessel is filled with a material, such as a viscous fluid or a liquid through its ingress and egress opening.
  • the filling operation raises the force transfer device and forms a viscous seal.
  • the force transfer device forces the viscous material out of the vessel through the material ingress and egress opening, until the bottom of the force transfer device seats on and blocks the ingress and egress opening.
  • energy in the form of high-pressure inert gas may be applied to the force transfer device.
  • the energy may be derived from a combination of pneumatic, hydraulic, mechanical, electronic, or electro-mechanical means, wherein no sealing devices are used between the force transfer device and the vessel wall.
  • the present invention includes an apparatus for transferring material from a vessel including a crown, a tangential member attached to the crown, wherein the tangential member is configured with an outer surface substantially parallel to the longitudinal axis, and a thruster attached to the tangential member, wherein the thruster is configured with a portion for penetrating a material.
  • the force transfer device may be configured such that thruster is cone shaped including a vertex directed away from the tangential member, the crown is cone shaped with a vertex directed away from the tangential member, and the tangential member includes one or more cylindrical shaped disks or plates.
  • the force transfer device may be configured with a semi-elliptical shape having a cylindrical shaped protuberance.
  • the force transfer device may further be configured with stabilizing fins connected to an outer surface of the tangential member or connected to an outer surface of the crown. Additionally, the force transfer device may include a level indicating device incorporating a stem having a plurality of magnetic reed switches, wherein the stem is slidably disposed within the crown, tangential member and thruster, and a magnetic actuator is disposed within a bottom portion of the thruster.
  • the system's wetted surfaces i.e. the interior surfaces that come in contact with the viscous fluid, can be treated to improve the efficiency of the fluid transfer operation. That is, the movement of the fluid into and out of the system can be improved by selective application of treatments to the interior surfaces and/or the fluid itself.
  • the interface between a moving fluid and a surface creates a boundary layer, which is more pronounced in highly viscous fluids than less viscous fluids.
  • the fluid will have a zero velocity and assume the wall temperature, whereas at some point spaced from the wall the fluid will assume the bulk fluid temperature and move at the bulk fluid velocity. In between these two conditions is the boundary layer, which affects the energy required to move the fluid.
  • a viscous fluid will have a larger boundary layer and thus be more greatly affected by the characteristics of that boundary layer.
  • a cylindrical (or other shaped) vessel moving viscous fluid axially will be governed by the conditions at the wall of the vessel.
  • Roughness is a major factor in boundary layer analysis, where a rougher surface increases the boundary layer and requires more energy to move the same amount of fluid, whereas a smoother surface reduces the boundary layer and reduces the amount of energy required to move the fluid within the vessel.
  • the present invention takes advantage of this phenomenon to increase the surface roughness of the surface of the wall by treating the wall.
  • the surface of the inner walls of the vessel (and the force transfer device) can be modified to manipulate the boundary layer that forms at the interface of the fluid and the surfaces.
  • the present invention is directed to refillable material transfer systems for dispensing various materials, including thick, viscous and other types of fluids that resist pumping and/or which might be damaging to pumping apparatus.
  • the system includes a material containment vessel with an upper region incorporating a motive force, and a bottom region with a material ingress and egress opening.
  • a diconical or other shaped, level-instrumented force transfer device is located in the material containment area.
  • the force transfer device can be weighted to an amount depending upon the application.
  • the diameter and height of the tangential element of the force transfer device forms a cylindrical interface region. The diameter of this cylindrical interface region is smaller than the inner diameter of the material container forming an annulus that is matched to the viscous fluid or liquid and to the operating conditions of the system.
  • the refillable material transfer system 10 includes a pressure vessel 20 and a force transfer device 60, having a crown (upper portion) 68 and a thruster (lower portion) 71.
  • the pressure vessel includes a top portion (first end) 22, a sidewall 24 and a bottom portion (second end) 26.
  • the pressure vessel may be in the form of a cylindrical container or other suitable shape for containing the material to be moved in and out of the pressure vessel.
  • the container may be a vertical or horizontal high-pressure vessel, a single pipe, a pipe cluster or a pipe-spool.
  • the container need not necessarily be configured for or as a pressure vessel, wherein the material to be transferred in and out of the container may move with gravity or other energy or force applied to the transfer device.
  • Suitable materials of construction for the material vessel and its components include metals
  • polymers, plastics, composites and other synthetic materials such as fiber reinforced plastic, polyethylene, polypropylene, polytetrafluoroethylene, polyurethane, polyvinyl chloride, acrylonitrile butadiene styrene - ABS, chlorinated polyvinyl chloride - CPVC and polyvinylidene fluoride - PVDF may be used to construct the container and its components.
  • the top 22 of the vessel 20 may be secured to the sidewall or may be an openable lid or otherwise removable from the sidewall portion 24 of the vessel.
  • the top of the vessel may have a flat surface, a semi-ellipsoidal surface, or a hemispherical surface.
  • the top may be configured as a lid that can be opened to facilitate the removal of the force transfer device 60, changing of material service, maintenance of the systems internals and periodic cleaning.
  • the lid of the vessel may include an access manifold 36 that extends outward from the top of the vessel and extends into the lid.
  • the access manifold is preferably centrally positioned, for example, along the longitudinal axis of the vessel.
  • the access manifold may include an overflow arm 32 or other device for allowing excess material to exit the container during a filling operation.
  • the overflow arm may include a manually operated or pressure-release valve.
  • the access manifold may further be configured to contain a stabilizer pipe or other rod to be disposed within the container along its longitudinal axis.
  • An access flange 34 may be fitted at the outside end of the access pipe (external of the vessel) so as to constrain a stabilizer rod (pipe) 62 that may extend from the top of the vessel to proximate the bottom 26 of the vessel.
  • the top of the container may be further configured with a valve and fitting 38 for introducing and/or releasing pressurized gas into/from the vessel.
  • Gases such as air, nitrogen or other chemically derived gases (inert or active) may be employed to pressurize the vessel and provide an applied force to the crown 68.
  • the lid may be configured with a pressure release valve (not shown) or other device to relieve overpressure of gas within the container.
  • the access flange may also be used for relief of the pressurized gas from the vessel.
  • the top 22 of the container 20 may be further configured with a retainer 61 for restraining the force transfer device 60 as it reaches the top of the container.
  • the retainer serves at least two purposes: to prevent overflow during refilling operations, and to facilitate the removal of any of any materials retained on the upper surface of the conical crown 68, especially semi-solid materials, by allowing them to be expelled during a fill cycle.
  • the retainer may be formed to conform to the shape of the crown of the force transfer device.
  • the retainer may be made from of the same or different metal, alloy or polymer as the material vessel, depending upon the construction of the vessel, force transfer device and material serviced.
  • top of the container and sidewall portion of the container may be configured with flanges that fit tightly together so as to form a seal when the container is configured with an openable top.
  • a first flange 27 could be secured to the top of the vessel, wherein a second flange 28 is secured to the sidewall of the vessel.
  • Fastening mechanisms (not shown) may be used to secure the top flange and sidewall flange together when the container is in operation.
  • the sidewall 24 of the vessel 20 defines a gas space 30 within the vessel.
  • a portion of the container includes a material space 40.
  • the vessel may further include a false bottom portion 50 that is defined by an arrestor 73 configured to match (conform to) the shape of the thruster 71 of the force transfer device.
  • the vessel's bottom may have a flat surface, a semi-ellipsoidal surface, a hemispherical surface or other suitable shape for the duty of the vessel.
  • the arrestor is configured to prevent gas bypassing and to assure low material retain when the vessel is empty.
  • the arrestor may be further configured with an outlet channel 55 that transverses the bottom 26 of the vessel and is in fluid communication with a material manifold 45.
  • the outlet channel is of sufficient length so as to prevent gas flow into the material manifold by sealing the exit with abundant material.
  • the outlet channel may be of sufficient length to define a heat transfer area 54 such that heat transfer elements 52 may be interposed around the outlet channel and under the arrestor so as to heat or cool the material exiting the container.
  • the outlet channel and material exit manifold may be positioned at the top of the container, wherein the arrestor, retainer and other components of the vessel are appropriately configured.
  • the outlet channel 55 of the arrestor 73 at the false bottom 50 of the material vessel 20 leads to a material manifold 45.
  • the material manifold may include a material inlet 48 and a material outlet 46 in a T-shape (tee).
  • a flange 44 may be used to cap the bottom of the material manifold when formed in a T-shape.
  • the material may enter and exit the manifold from the same port, wherein the manifold is formed in a L-shape.
  • One or more valves (not shown) may be added to the material inlet and material outlet.
  • quick-release (cam and groove) couplings or other assemblies may be added to the material inlet and material outlet for connection to conventional devices for introducing (filling) and removing (emptying) material to/from the vessel.
  • the force transfer device 60 includes a crown (upper portion) 68, a tangential member (middle portion) 69 and a thruster (lower portion) 71.
  • the crown is configured with a conical or frustrum shape having a substantially triangular cross-section.
  • the cone-shaped crown includes an access port (opening) 64 for access to a hollow interior of the force transfer device. The opening may be used to insert ballast or other weighted material into the thruster.
  • a ballast plug (cap) 65 may be used to close the access port in the crown.
  • One or more vents (gas ports) 66 may be drilled or otherwise formed in the crown and tangential member so as to allow gas to pressurize the internal space of the force transfer device.
  • the force transfer device accepts the primary force and/or energy applied to the crown and transduces the applied force through the thruster, causing the material manifold 42 to be ubiquitously pressurized.
  • the transfer system 10 includes a stabilizing pipe or rod 62 or other central member
  • the crown also includes a hole or bore 75 at the vertex of the cone in which the stabilizing rod may be slidably disposed.
  • the thruster may be configured with an opening 77 at the vertex of the cone in which the stabilizing rod may be slidably disposed.
  • the thruster 71 may be formed in a conical or frustum shape having a substantially triangular cross-section and may be configured with a hollow interior.
  • a tangential member 69 may be interposed between the conical crown 68 and the conical thruster.
  • the tangential member may be configured as a disk or plate being circular or cylindrical in shape and rectangular in cross-section. The tangential member helps provide stability to the force transfer device such that the outer wall of the tangential member is configured to be positioned substantially parallel to the sidewall 24 of the vessel 20 and substantially parallel to the longitudinal axis of the crown and the longitudinal axis of the thruster.
  • the force transfer device 60 resembles a child's top in cross-section, where both the crown 68 and thruster 71 are conical in shape, thereby forming a diconical force transfer device.
  • the crown is a hollow, upward-pointing cone, wherein the primary purpose is to prevent overfilling when the confined space of the vessel 20 is being filled with material 42. Of secondary importance and during the refilling process, the crown displaces any materials that may have deposited on top of the force transfer device.
  • the conical thruster transfers the force applied to device so as to penetrate and move the material through the vessel's material outlet 55 and into the material manifold 45.
  • the conical portion of the thruster is configured for penetrating the material in the vessel.
  • Suitable materials of construction for the force transfer device and its components include metals (such as aluminum, copper, iron, nickel and titanium) and alloys (such as alloy 20, inconel, monel, steel and stainless steel).
  • metals such as aluminum, copper, iron, nickel and titanium
  • alloys such as alloy 20, inconel, monel, steel and stainless steel.
  • polymers, plastics, composites and other synthetic materials may be used to form the force transfer device, such materials include fiber reinforced plastic, polyethylene, polypropylene, polytetrafluoroethylene, polyurethane, polyvinyl chloride, acrylonitrile butadiene styrene (ABS), chlorinated polyvinyl chloride (CPVC) and polyvinylidene fluoride (PVDF).
  • one embodiment of the refillable material transfer system 10 is configured with the material vessel 20 in a vertical position, wherein the bottom 26 of the container is adjacent to the floor or ground and may stand on legs or other pedestals (not shown). Accordingly, the sidewall 24 of the vessel holds the top 22 of the container in place.
  • the force transfer 60 device is configured to move up and down the container as the material enters and leaves the vessel. When a stabilizer rod or other device 62 is disposed within the container, the transfer device moves up and down the rod, which may be configured with a cap 63 at the end of the rod near the bottom of the vessel.
  • Movement of the force transfer device is constrained at the top of the vessel by the retainer 61, and is constrained at the bottom of the vessel by the arrestor 73.
  • the tangential member 69 is configured with an outer diameter that is less than the internal diameter of the vessel. Accordingly, as the transfer element moves up and down the container, a portion of material 42 remains along the sidewall forming a gas seal 49 between the vessel sidewall and the tangential member.
  • the outlet 55 is configured with a sufficient vertical length so that gas in the vessel will not move through the outlet into the bottom material manifold as material empties from the container and the transfer element approaches the arrestor.
  • a drive shaft 93 may be positioned within a manifold 86 configured within the top portion 22 of the material vessel (container) 20.
  • the drive shaft is configured to provide a driving force so as to move a force transfer device 90 from the top to the bottom 26 of the vessel.
  • a first end portion 87 of the drive shaft extends outside of the manifold from the top of the vessel.
  • a flange 84 positioned at an end of the manifold that extends outside of the top of the vessel provides an airtight seal around the exterior portion of the drive shaft.
  • a second end 88 of the drive shaft is disposed within an opening 102 configured at a vertex of a conical crown 94 of the force transfer device. Accordingly, movement of the drive shaft from the top towards the bottom of the container drives the force transfer device towards the bottom of the container. Likewise, movement of the drive shaft from the bottom towards the top of the container moves the force transfer device towards the top of the container.
  • the drive shaft 93 may be configured to move the force transfer device to the top of the container adjacent a retainer 91 configured within the top portion or lid of the vessel.
  • a limit switch 92 may be configured in the retainer and electronically connected to the mode of force for the drive shaft so as to stop the force transfer device adjacent the retainer as the force transfer device approaches the top of the vessel.
  • a limit switch 101 may be positioned at or near the arrestor 99.
  • the limit switch serves to stop the mode of force on the drive shaft and to position the transfer device adjacent the arrestor allowing essentially all of the material to be removed from the container.
  • the material manifold, switches, retainer, arrestor and other vessel components may be configured so that the material is introduced and removed from the top of the container.
  • a gas purge line and valve 89 may be configured into the top or lid 22 of the vessel 20 and through the retainer 91 to allow air or an inert gas to be fed into the vessel when material 42 is being removed from the vessel and to purge such gases when the vessel is being filled with material.
  • a material overfill arm 82 may be included in the manifold 86 for purging excess material, air and other gases during the fill cycle.
  • the gas inlet and valve may be used to allow gas or air to enter into the container as material is moved out of the container as the airspace 80 increases within the container and as the material space 40 reduces in the container.
  • the excess material discharge line 82 may be configured so as to allow air to enter and exit the container as the transfer device pushes material out of the container or material entering into the container moves the transfer device towards the top of the container.
  • the diconical force transfer device 90 includes a crown (upper portion) 94, a tangential member (middle portion) 95 and a thruster (lower portion) 97.
  • the crown and thruster are configured with a conical or frustum shape, having a substantially triangular cross-section with a truncated point or vertex.
  • the annular tangential member has a substantially vertical outer surface, and is interposed between the crown and thruster.
  • the crown, tangential member and thruster may be machined, die-cast or otherwise manufactured as a single unit, or may be manufactured as separate components and welded, bolted or otherwise permanently or removably fastened together to form the force transfer device.
  • the force transfer device 90 may be further configured with one or more stabilizers 96 positioned along the outer surface of the tangential member 95 of the transfer device.
  • the stabilizers are thin blade-like members, and may be made of a similar material as the transfer device, for example, metals and their alloys, polymers, plastics, composites or other natural and synthetic materials.
  • the plurality of stabilizers (for example, four stabilizers) may be affixed to the transfer device equidistant along the outer surface of the tangential member by welding, mechanical fasteners or other suitable devices and techniques.
  • the top and bottom edges of the stabilizers may be rounded so as to limit scraping and other damage to the sidewall 24 of the material vessel 20.
  • the stabilizers are to help prevent tipping of the force device as the tangential member moves along the sidewalls of the vessel.
  • the stabilizers also allow a material space 49 adjacent the sidewall of the vessel so as to provide a gas seal between the force transfer device and the vessel's sidewall.
  • the refillable material transfer system 10 may be used in a vertical position, a horizontal position or disposed at an angle as required by the user.
  • the penetrating tip may be conical or frustum in shape, having the same or different intrinsic angle as the conical thruster portion 97 of the force transfer device (see FIG. 11 ).
  • the penetrating tip may be made of the same material or alternative materials as the other components of the force transfer device.
  • the configuration of the conical thruster tip need not be triangular in cross-section, but may be rounded, square or other suitable configuration so as to help displace the material as the force transfer device moves towards the portion of the container that contains the material outlet channel 55 and material outlet manifold 45.
  • the conical thruster may be configured at its bottom end (furthest from the crown 94 and tangential member 95) with a truncated portion 104 that is configured to receive the conical thruster tip.
  • the wide end 106 of the conical thruster tip may be configured with a threaded flange or other device for securing to the truncated portion of the thruster.
  • the conical thruster tip may be welded or otherwise permanently secured to the conical thruster.
  • Empirical data supports the premise that the largest diameter of the thruster tip should be about the same as the diameter of the exit channel 55. Both the conical portion of the thruster and the protuberance are configured for penetrating the material.
  • the force transfer device 90 may be further configured with an annulus management device 103 positioned adjacent and/or around the tangential member 95 of the force transfer device.
  • the annulus management device may include a circular, donut-shaped member that includes cutouts or notches (not shown) so as to fit tightly over the stabilizer fins 96. Alternatively, cutouts or notches could be made in the stabilizer fins to accommodate the annulus management device.
  • the annulus management device also may be configured to be retained within an annular notch within the tangential member of the force transfer device.
  • the annulus management device may be removably or permanently attached to the force transfer device (see also FIGS. 15, 16 ).
  • the inner diameter of the annulus management device should be substantially the same as the outer diameter of the tangential member of the transfer device.
  • the outer diameter of the annulus management device should be greater than the inner diameter of the material vessel 20 so as to be in close proximity to the sidewall 24 of the vessel.
  • Suitable materials for the annulus management device include materials similar to the force transfer device materials, as well as leathers, natural or synthetic rubbers and other elastomers such as Buna-N (nitrile), fluoroelastomers, neoprene and ethylene-propylene-diene-monomer (EPDM).
  • Buna-N nitrile
  • fluoroelastomers neoprene
  • EPDM ethylene-propylene-diene-monomer
  • one embodiment of the refillable material transfer system 110 includes configuring the material vessel 120 in a vertical format.
  • the material vessel includes a main body 150, a top 122, and one or more legs or extensions 170.
  • the main body of the material vessel is configured in a cylindrical format having a lower portion 152 to be connected to the legs 170 and an upper portion 154 to be connected to the top 122.
  • An upper annular flange 124 is connected to a lower portion 156 of the top.
  • a lower annular flange 126 is connected to the upper portion 154 of the main body of the vessel.
  • the annular flanges are essentially cylindrical in shape, having a donut-like configuration, being significantly larger in diameter than in thickness.
  • Clamping screws 128 are secured to the bottom flange and are configured to reside within notches or slots 127 formed within the upper flange.
  • the configuration of the top and bottom flanges and securing locks are such that when the securing locks are in place a fluid tight seal is maintained between the top and main body of the material vessel.
  • an O-ring (not shown) may be interposed between the upper and lower flanges or a rubber or other polymeric coating may be applied to the upper and lower flanges so as to facilitate a fluid tight seal.
  • Other mechanisms such as latches, clamps, lifting lugs and davits may be used to secure the vessel's top to the vessel's main body.
  • the top portion 122 of the material vessel 120 may be hemispherical and circular in cross-section.
  • the top of the pressure vessel may be configured flat, square or other suitable shape for the duty imposed on the vessel. Bores, cut outs or other access ports may be provided in the top of the container so as to facilitate positioning of a gas inlet end valve 180, an overflow or pressure relief valve 190 and a gauge mechanism 160.
  • a threaded coupling 162 may be placed within the center of the top portion of the container.
  • the top coupling may be used to hold the stabilizer rod or pipe 62, as shown in FIG. 1 , or the drive shaft 93, as shown in FIG. 4 .
  • a lifting mechanism 130 may be configured adjacent the main body 150 of the material vessel.
  • a hydraulic jack 132 is used to drive a piston or rod 134 to lift the annular flange 124 of the top portion of the vessel.
  • An actuator mechanism 136 may be used to hydraulically, mechanically or electro-mechanically move the drive shaft 134 to position the top of the container.
  • the lifting mechanism may be configured so as to lift and allow horizontal movement of the lid without complete disengagement from the lower flange 126.
  • a support flange 138 may be secured to the main body 150 of the material vessel and to the actuator mechanism 132 of the lift mechanism 130.
  • the refillable material transfer system 110 may be further configured with a material inlet and outlet manifold 140 positioned below the main body 150 of the material vessel 120 and adjacent the bottom portion 152 of the vessel.
  • a pipe 144 may be connected to the bottom portion of the container and may include a T-shaped (tee) portion 146 that is closed on one end 146 and is connected to a discharge mechanism 148 on a second portion of the tee.
  • the discharge portion of the material manifold may further include a ball valve and actuator mechanism 142.
  • a cam and groove coupler or other industry specific mechanism may be configured on the outlet of the material manifold for coupling to hoses and pipes for filling and emptying the container.
  • a shield (not shown) of plastic, metal or other suitable material may be configured around the legs 170 or other extension supporting the material container 120.
  • a protective shield (not shown) may be formed around the upper portion of the top 122 of the container so as to protect the display mechanism 160, gas inlet 180 and pressure relief or material discharge device 190. Cutouts in the protective mechanism surrounding the top may be provided for access to the display 164 and gas valve 180.
  • the refillable material transfer system 110 may be configured to hold various quantities of material 42 and various pressures of high-pressure gas 31.
  • the top 122 and main body 150 of the vessel 120 may be sized and the retainer 61, 91 and arrestor 73, 99 configured so that the internal material space 40 accommodates, for example, fifty-five, one-hundred-and-fifty, three-hundred or six-hundred gallons (2.3 cubic meters) of fluid or other material.
  • the volume of the container required to accommodate the high-pressure gas For an operation mode involving pre-charging the vessel with a specific amount of gas proceed as follows:
  • the outer diameter of the tangential member 69, 95 is configured somewhat smaller than the inner diameter of the sidewall 24 of the material vessel.
  • Refillable material transfer systems can be scaled up and down for the intended services. The services can range from small hand held systems to large cargo truck or trailer mounted systems. It is contemplated that the present invention is applicable to very small (micro-, nano-sized) to very large material transfer systems that would move material quantities of less than a micro-liter and at least tens of thousands of liters of material.
  • Dispensing volume 1.9 gallons (432 cubic inches, 7.1 liters)
  • Dispensing volume 21.7 gallons (5,013 cubic inches, 82.1 liters)
  • Proximity of the tangential member 69, 95, 230, 232, 234, 236, 330, 332, 334, 346, 348 of the force transfer device 60, 90, 200 and 300 to the sidewall 24 of the material container 20, 120 is dependant, among other things, upon the nature of the material 42.
  • the proximity range from 0.2 to 1.0 inches (0.5 to 2.5 cm).
  • Height of the tangential member 69, 95, 230, 232, 234, 236, 330, 332, 334, 346, 348 depends, among other things, upon the nature of the material and the size of the container 20, 120. Heights range from zero to twelve inches (30.5 cm).
  • the conical crown 68, 94 has a defining angle which depends upon, among other things, the character of the material.
  • the angle can range from 90 to 180 degrees.
  • the fulcrum of the thruster 71, 97, 210, 212, 214, 215 has a defining angle 215 that depends, among other things, upon the nature of the material that can range from 90 degrees to 180 degrees.
  • the thruster tip 98, 220 has a defining angle 225 that depends, among other things, upon the nature of the material that can range from 30 degrees to less than 180 degrees.
  • the force transfer device 200 may be adapted for use with various fluids having different viscosities.
  • the thruster portion 210 of the transfer device may be configured as conical or frustum shaped, hollow device.
  • the plurality of tangential members 230 may be configured to be placed adjacent the thruster portion of the transfer device.
  • the tangential members 232, 234, 236 may be disk-like or cylindrical in shape having an aspect ratio where their height (thickness) is significantly less than their diameter.
  • the tangential members may be stacked on top of each other and secured to the thruster portion using a securing rod 250 or other suitable mechanism.
  • the securing rod may be removably attached to the plates using a top coupling 254, and may be secured at its second (bottom) end 252 to the bottom portion 214 of the conical thruster 210.
  • the securing rod is disposed in bores or holes 256 in the tangential members and within a pipe or conduit 258 in the thruster.
  • Penetration of the transfer device 200 into thick or viscous fluids may be aided by the addition of a penetration tip 220 attached to the lower portion 214 of the thruster 210.
  • the thruster tip may be conical (triangular in cross-section), blunted, square or other suitable shape.
  • the thruster tip may include an adaptor 222 for attaching the tip to the thruster by welding, threading mechanisms or for fixing the tip to the securing rod 250.
  • a port 264 in the conical thruster and lumens or holes 262 in the tangential members may be used to provide access to a hollow portion of the conical thruster for addition of ballast.
  • a cap 260 may be placed on the outermost tangential member to cover the port for filling and removal of the ballast.
  • holes or bores 280 may be drilled or otherwise formed into the tangential elements so as to allow pressurization of the material transfer device.
  • the force transfer device 200 may also include a stabilizer mechanism 240.
  • a stabilizer mechanism 240 For example, three stabilizing fins 242, 244, 246 may be secured to the outermost tangential member 232 to prevent tipping and otherwise stabilize the thruster 210 of force transfer device as it moves within the material vessel 20, 120.
  • the stabilizer fins may be welded, bolted, screwed and permanently or removably fastened to the upper tangential member 232 of the force device by addition of one or more flanges 243, 245, 247.
  • the stabilizer fins are configured such that they extend outside of the perimeter of the tangential members so that the outermost portion of the stabilizers are adjacent the inner sidewall of the material vessel.
  • stabilizer fins may be attached to one or more of the tangential members as shown in FIGS. 4-6 .
  • the force transfer device 300 may be made in various configurations other than the diconical shape shown in FIGS. 1-8 .
  • the thruster portion 310 of the transfer device and the crown portion 315 of the transfer device may be hemispherical or semi-elliptical in shape. Such hemispherical or elliptical shapes may be easier to manufacture through cold working, annealing, or casting. Similarly, injected molded processes for use of various alloys and metals may be implemented.
  • the transfer device 300 may include a substantially tangential portion 330 so as to be parallel to the inner sidewalls of the material vessel.
  • the thruster or lower portion 310 of the transfer device may include a tangential portion 332, and the upper portion 315 of the transfer device may include a tangential portion 334.
  • the two halves of the transfer device may be joined at a weld 340 or other technique for permanently or removably fastening the two halves together may be employed.
  • vertical stabilizer fins 342, 344, 346, 348 may be spaced circumferentially around the tangential portion of the transfer device. Although four stabilizer fins are shown in the reference figures, two, three, six or more stabilizer fins may be employed as appropriate, depending on the diameter and other configurations of the vessel and transfer device.
  • the upper or top portion (crown) 315 of the transfer device may include one or more vents or holes 380 so as to allow the pressurized gas to enter the inside of the transfer device.
  • an access port 360 for placing ballast into the transfer device may be provided on the upper surface of the transfer device crown.
  • the ballast access port may be configured to accept a plug or cap for removable insertion into the access port.
  • the crown of the transfer device may also be configured with a coupling, flange or other member 350 for insertion of a stabilizer pipe 62 ( FIG. 1 ) or drive shaft 93 ( FIG. 4 ).
  • a pipe or other tube may be configured to extend from the crown coupling to proximate the bottom surface of the thruster portion 310.
  • the thruster portion is also configured with a cylindrical protuberance or flange 320 that may be configured as a coupling to accept a retaining mechanism 322 that may be used to contain a position device subassembly 600 ( FIG. 18 ).
  • the thruster coupling may also serve as a penetrating tip to facilitate penetrating the material and for movement of very viscous fluids through the exit channel 55 and material manifold 45, 140 of the vessel 20, 120. Accordingly, the diameter of the thruster tip (protuberance 320) should be about the same as the diameter of the exit channel 55.
  • holes 352 or similar mechanism may be formed in the upper coupling 350 on the crown 315.
  • two holes 352 may be drilled in line across the coupling such that a chain or wire may be threaded through the holes to lift the force transfer device from the pressure vessel.
  • the transferred vessel may be made from any suitable metal, alloy, plastic or other polymer that would be compatible with the material to be used in the transfer system.
  • the hemispherical (semi-elliptical) transfer device 300 may be configured with an annulus management device 400 to help remove material accumulated on the inner sidewalls of the material vessel.
  • the annulus management device includes an annular member 410 formed of natural or synthetic rubber, elastomeric polymers or other suitable materials compatible with the material being transferred in and out of the container.
  • the annulus management device may further include a horizontal flange or flanges 420 affixed to the annular member.
  • the horizontal flange may include ports 452, 454, 456, 458 to accommodate stop cocks 442, 444, 446, 448 or other venting mechanisms so that gas or air trapped below the transfer device may be released as the transfer device moves from the top to the bottom (from the first end to the second end) of the material vessel.
  • the horizontal flange may be secured to the annular member by bolts and nuts 470 or other suitable fastening means.
  • the annular member may be glued or otherwise bonded to the flange or directly to the crown of the transfer device.
  • a vertical portion of the flange may be welded or otherwise formed with the horizontal flange and may be attached to the transfer device by bolts and nuts 460 or other suitable fastening means.
  • the annulus management device may be fixedly or removably secured to the force transfer device.
  • the refillable material transfer system may include a level indicating device 500.
  • level indicators may be incorporated into the material transfer system, for example for example, container weight devices (scales), container gas pressure devices (pressure gages), linear and rotary encoding devices (tape gages), wave devices (laser, magnetostrictive, radio frequency, and ultrasonic), magnetically coupled devices (indicating rods and tapes), displacement devices (limit and proximity switches), material flow devices (flow totalizers), optical devices (fiberoptic, photoelectric, and visual), gas and material interface devices (buoyancy, capacitance, conductivity, differential pressure, and differential temperature) and nuclear devices (radioisotope).
  • container weight devices scales
  • container gas pressure devices pressure gages
  • linear and rotary encoding devices tape gages
  • wave devices laser, magnetostrictive, radio frequency, and ultrasonic
  • magnetically coupled devices indicating rods and tapes
  • displacement devices limit and proximity switches
  • material flow devices flow totalizers
  • optical devices fiberoptic,
  • Such a device includes a stem 520 that may be disposed within the adapter pipe or central lumen of the force transfer device (see FIG. 12 ).
  • the stem may include magnetic reed switches or other level indicators that are coupled to a microprocessor in a housing 560 that is visible from outside of the material vessel.
  • a threaded coupling 540 or other securing device may be used to attach the level indicator system to the upper flange 350 of the force transfer device 300 shown in FIG. 12 .
  • the housing may include a programmable microprocessor (not shown) and other electronics such as a digital display 564 that may be configured for use with particular sizes of material vessels.
  • the housing 560 of the system may be made of a polymer, composite, other synthetic material; or a more robust metal or alloy construction as available from Moore Industries International, Inc., of North Hills, California.
  • a position device subassembly 600 may be configured for positioning within the force transfer device 300 shown in FIG. 11 .
  • the subassembly includes an outer housing 620 to contain a magnetic position device (magnetic actuator) 640, which may be cylindrical or egg-shaped.
  • a threaded cap or other coupling 660 is configured on one side of the housing so as to be secured to an adapter 322 or other mechanism on the force transfer device.
  • the housing cap includes a bore or lumen 680 so that the stem 520 may pass through the position device subassembly.
  • the position device is configured within a central lumen 690 so that the stem may be slidably disposed within the position device.
  • the position device subassembly may include a cleaning mechanism (not shown) to remove material deposits from the stem.
  • the transfer device holding the position device subassembly moves up the stem actuating the sensors contained within the stem.
  • the display 564 on the device will be calibrated to read one-hundred percent or some other indication to show a full vessel.
  • the level indicating device 500 may be calibrated to show material height, weight or volume as appropriate.
  • the transfer device approaches the bottom of the container causing the magnetic actuator to approach the lowest point on the stem and the level indicator will show a decrease in height, weight or volume of the material.
  • Figure 19 illustrates an alternate embodiment of the material transfer system of FIG. 4 which does not fall under the scope of the appended claims and is merely provided for illustrative purposes, wherein a boundary layer reducing material 701 has been applied to selected wetted surfaces within the vessel. It is to be understood that the drawing of the boundary layer reducing material 701 is not to scale, but rather has been greatly enlarged to illustrate the invention.
  • the wetted surfaces on the interior of the material transfer system may include the side walls, 24, the arrestor 73, the thruster 71, the outlet channel 55, the tangential member 69, and the penetrating tip 98. Other surfaces and elements that come into contact with the fluid 42 may also be considered a wetted surface.
  • all wetted surfaces are coated with a material that reduces the boundary layer between the moving fluid and the stationary interior surfaces (as well as the force transfer device, collectively the "boundary layer interfaces" of the material transfer system.
  • the present invention affects the boundary layers between the refillable material transfer system boundary layer interfaces and the fluid to improve the performance capabilities of the system.
  • a list citing the numerous components with internal surfaces that may be affected for the various systems include: access flange, access manifold, access pipe, access port, adaptor, annular member, annulus management device, arrestor, assemblies, ballast plug (cap), ball valve and actuator mechanism, bores or holes, bore or lumen, bottom, bottom end, bottom portion, bottom region, cap, cleaning mechanism, components, conical thruster, conical thruster portion, container, coupling, flange or other member, crown, crown portion, diconical or other shaped force transfer device, discharge mechanism, excess material discharge line, exit channel, false bottom portion, fitting, flange, gas space, heat transfer area, heat transfer elements, hole or bore, internal material space, internals, lid, level indicating device, level indicator, level instrument, lower annular flange, lower portion, lumen, lumens or holes, main body, manifold, manually operated or pressure-release valve, material container, material containment vessel, material exit manifold, material ingress and egress opening, material inlet, material inlet and outlet
  • Each internal surface may be treated or coated to create a new boundary layer between the surface wall and the bulk fluid.
  • Treatment which does not fall under the scope of the appended claims and is merely described for illustrative purposes includes altering the surface roughness (i.e., the measure of the average perpendicular deviation of the surface from an ideal surface) of these surfaces. Where the surface roughness is decreased by sanding, polishing, or the like, the adhesion of the fluid to these surfaces is also reduced, lowering the friction to move the viscous fluid. That is, the vessel's native internal surfaces may be polished to make them smoother, thereby decreasing the energy required to move the fluid across these surfaces and increasing the flow rate of the fluid into and out of the vessel.
  • an epoxy coating may be added to the native internal surfaces to make them smoother, reducing the average wall roughness that comes in contact with the bulk fluid and therefore reducing the boundary layer.
  • Another way to reduce the boundary layer is to apply a silicone-based release agent to the internal surfaces. Release agents may be independently applied to the internal surfaces, or an epoxy coating impregnated with release agents may be applied to the native internal surfaces.
  • the surface roughness can be increased to augment the adhesion of the fluid to these surfaces.
  • the vessel's internal surfaces may be sandblasted to make them rougher, increasing the energy required to move the fluid within the vessel. This increases the boundary layer, which helps to hydraulically prime the system.
  • a coating containing an abrasive may be added to the native internal surfaces to make them rougher, which also serves to aid in priming the system.
  • a binder/tackifier may be added to the internal surfaces to increase the boundary layer of the fluid on these surfaces for hydraulically priming the system. Binders/tackifiers may be independently applied to the internal surfaces, or an epoxy coating impregnated with binders/tackifiers may be applied to the vessel's native internal surfaces.
  • Another way to reduce the boundary layer on the wetted surfaces of the vessel and its components is to profile (roughen, i.e., increase the surface roughness) the native or coated surfaces and apply a release agent to the surfaces, where the release agent may be present in the valleys of the surfaces, to improve the retention of the release agent with the surfaces.
  • a metal RMTS vessel could be sandblasted and coated with vegetable oil, in the same way that an internal combustion engine's cylinders may be honed to retain lubricating oil in the valleys.
  • Another way to reduce the boundary layer is to utilize the porosity of certain solid materials, where a release agent may be present in the pores of the solid material and on its surfaces and may be held in the pores by capillary action.
  • the release agent is trapped in the pores to improve the retention of the release agent in the solid material and on its surfaces.
  • the porous solid material may be the system's components (vessel's inner wall, arrestor, force transfer device, first end having a material inlet and outlet manifold, etc.) and the porous solid material added to the system's components (coating, liner, cladding, etc.)
  • a metal RMTS vessel could be lined with a self-lubricating oil-impregnated nylon sheet.
  • solid materials that are porous with a release agent in their pores and on their surfaces include a cast iron frying pan seasoned with cooking oil, Oilite® self-lubricating oil-impregnated bronze, and self-lubricating oil-impregnated nylon.
  • materials that are porous incorporate release agents in their pores and on their surfaces to improve performance or wear characteristics of the objects.
  • the surfaces may also be altered to change the electrical, thermal, and wave resistivities of these surfaces.
  • a silicone-based electrically conductive grease may be added to the internal surfaces of the vessel to decrease the energy required to transmit electrical energy to and from the fluid.
  • a silicone-based thermal grease may be added to the vessel's internal surfaces to decrease the energy required to transmit thermal energy to and from the fluid to better cool and heat the fluid.
  • a glycerin/glycerine-based acoustic coupling medium may be added to the internal surfaces of the vessel to decrease the energy required to transmit acoustic wave energy to and from the materials or fluids to better agitate the material.
  • a silicone-based dielectric grease may also be added to the internal surfaces to increase the energy required to transmit electrical energy to and from the fluid in the vessel, to better isolate the fluid from being affected by static electricity or other charges.
  • a thermal insulation material may be added to the internal surfaces to increase the energy required to transmit thermal energy to and from the fluid to better isolate the fluid from cooling and heating.
  • an acoustic viscoelastic polymeric material may be added to the internal surfaces to increase the energy required to transmit acoustic wave energy to and from the materials to better isolate the materials from agitation.
  • the internal surfaces of the refillable material transfer system can be supplemented with other materials to change the physical properties of these surfaces. For example, certain additives will decrease the egress and ingress of materials and fluids into and out of the vessel.
  • a barrier coating may be added to plastic internal surfaces to decrease the permeation of gases through the plastic surfaces, preventing or reducing air and gases from entering the vessel which may consequently reduce the shelf life of the materials and fluids in the vessel.
  • This invention improves the energy efficiency and other performance aspects of the refillable material transfer system in handling the materials and fluids.
  • this invention takes advantage of the relatively large geometric surface areas between them, and capitalizes on the exponential (square area) function and impact that this invention affects to the boundary layers in these areas.
  • selected materials are applied to the internal, wetted surfaces of the system to affect the boundary layer of the moving fluid.
  • coatings There are many types of coatings that can be used to affect the flow of the viscous fluids through the system.
  • Affecting more than one of the three individual elements of the boundary layers may impact the performance capabilities of the refillable material transfer system.
  • adding an epoxy coating impregnated with a silicon release agent both smooths the RMTS internal surfaces and adds a slippery release agent.
  • this invention emphasizes the impact of affecting the boundary layers (the internal surfaces, the adjacent ("skin") surfaces of the materials and fluids, and any materials between these two surfaces) to improve the performance capabilities, this invention may also be applied in the gas space and vapor space of the system where gases and vapors may be present.
  • polishing and sandblasting are two option for effecting this change.
  • native metal internal surfaces with a rough "mill finish” from the metal rolling mill
  • Standards for smoothing are described in ASME B46.1, Surface Roughness, Waviness, and Lav (American Society of Mechanical Engineers Standard); ISO 4287 Geometrical Product Specifications (GPS) - Surface texture: Profile method - Terms, definitions and parameters of surface texture; and ISO 4288 Geometrical Product Specifications (GPS) - Surface texture: Profile method - Rules and procedures for the assessment of surface texture (International Organization for Standardization Standard).
  • the smooth native metal RMTS internal surfaces may be sandblasted "near-white" with abrasive media to be rougher, thereby meeting the requirements of the following standards: "Sa 2 1/2", ISO 8501-1 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings; and/or SSPC-SP 10/NACE No. 2 Near-White Blast Cleaning (The Society for Protective Coatings and National Association of Corrosion Engineers Joint Surface Preparation Standard).
  • yet another way to reduce the boundary layer is to apply a fluid repellent coating or film to the wetted surfaces of the system.
  • These coatings may be hydrophobic, superhydrophobic, omniphobic, and superomniphobic. Examples of these coatings are Rust-Oleum® NoneWetTM superhydrophobic coating, http://www.rustoleum.com/product-catalog/consumer-brands/neverwet/neverwet-kit/, http://www.neverwet.com/, and Integrated Surface Technologies Repellix superhydrophobic ceramic coatings, http://www.insurftech.com/.)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Coating Apparatus (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Jet Pumps And Other Pumps (AREA)

Claims (4)

  1. Un système rechargeable pour le transfert de matériau, le système comprenant :
    un récipient (20 ; 120) ayant un axe longitudinal, une paroi intérieure (24) et un système d'arrêt (73 ; 99), et une première extrémité ayant une entrée de matériau et un collecteur de sortie (45 ; 140) ;
    un dispositif de transmission de force (60 ; 90 ; 200) disposé dans le récipient (20 ; 120), le dispositif de transmission de force incluant, (a) une partie de sommet (68 ;94) ; (b) un élément cylindrique (69 ; 95 ; 230) ayant un axe longitudinal essentiellement parallèle à l'axe longitudinal du récipient (20 ;120), dans lequel l'élément cylindrique (69 ; 95 ; 230) inclut une paroi extérieure qui est parallèle à la paroi intérieure (24) du récipient (20 ; 120), et (c) un poussoir conique (71 ; 97 ; 210) attaché à l'élément cylindrique (69 ; 95) ; le système d'arrêt (73 ; 99) du récipient (20 ; 120) étant situé dans la première extrémité du récipient (20 ; 120) et configuré de façon à s'adapter à la forme du poussoir (71 ; 97 ; 210) ;
    caractérisé en ce qu'un traitement est appliqué à la paroi intérieure du récipient (24) et au système d'arrêt (73 ; 99) pour faire varier une friction d'un fluide en mouvement sur la paroi intérieure (24) et sur le système d'arrêt (73 ; 99), dans lequel le traitement est pour augmenter la rugosité de surface de la paroi intérieure (24) et du système d'arrêt (73 ; 99).
  2. Le système rechargeable pour le transfert de matériau de la revendication 1, dans lequel le traitement pour augmenter la rugosité de surface de la paroi intérieure (24) et du système d'arrêt (73 ; 99) est un sablage.
  3. Le système rechargeable pour le transfert de matériau de la revendication 1, dans lequel le traitement est une application d'un agent entre la paroi intérieure (24) et un fluide en vrac dans son intérieur, et une application de l'agent entre le système d'arrêt (73 ; 99) et le fluide en vrac dans son intérieur.
  4. Le système rechargeable pour le transfert de matériau de la revendication 3, dans lequel l'agent est un liant/un agent pour augmenter l'adhésivité.
EP15152790.0A 2014-01-29 2015-01-28 Système de transfert de matière rechargeable Active EP2902357B1 (fr)

Applications Claiming Priority (1)

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US14/167,882 US10221059B2 (en) 2004-03-31 2014-01-29 Refillable material transfer system

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JP (1) JP6711557B2 (fr)
CN (1) CN104803336A (fr)
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CN105173781B (zh) * 2015-09-24 2017-06-23 广东奥创新能源科技有限公司 原料仓储分送装置
CN105752926B (zh) * 2016-04-29 2017-05-10 连云港天邦科技开发有限公司 一种内撑式密封装置
CN109552884A (zh) * 2019-01-25 2019-04-02 海南华侨中学 一种水力运输装置及水力运输系统

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BR102015001968A2 (pt) 2016-05-24
CN104803336A (zh) 2015-07-29
EP2902357A1 (fr) 2015-08-05
CA2879609C (fr) 2020-04-28
JP6711557B2 (ja) 2020-06-17
HK1212312A1 (en) 2016-06-10
MX2015001286A (es) 2015-07-28
BR102015001968B1 (pt) 2021-01-05
JP2015157710A (ja) 2015-09-03
MX371398B (es) 2020-01-29
CA2879609A1 (fr) 2015-07-29

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