WO2020198863A1 - Système et procédés pour fournir un refroidissement à l'intérieur d'un récipient - Google Patents

Système et procédés pour fournir un refroidissement à l'intérieur d'un récipient Download PDF

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Publication number
WO2020198863A1
WO2020198863A1 PCT/CA2020/050428 CA2020050428W WO2020198863A1 WO 2020198863 A1 WO2020198863 A1 WO 2020198863A1 CA 2020050428 W CA2020050428 W CA 2020050428W WO 2020198863 A1 WO2020198863 A1 WO 2020198863A1
Authority
WO
WIPO (PCT)
Prior art keywords
pack
slurry
storage container
refrigerant
refrigerant portion
Prior art date
Application number
PCT/CA2020/050428
Other languages
English (en)
Inventor
Mordechai EINHORN
Original Assignee
Einhorn Mordechai
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 Einhorn Mordechai filed Critical Einhorn Mordechai
Priority to CA3135640A priority Critical patent/CA3135640A1/fr
Publication of WO2020198863A1 publication Critical patent/WO2020198863A1/fr
Priority to US17/489,886 priority patent/US20220017246A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/001—Packaging other articles presenting special problems of foodstuffs, combined with their conservation
    • 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
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/02—Packaging agricultural or horticultural products
    • B65B25/04—Packaging fruit or vegetables
    • B65B25/041—Packaging fruit or vegetables combined with their conservation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/061—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of fish
    • B65B25/062—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of fish combined with its conservation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/065—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat
    • B65B25/067—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat combined with its conservation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/04—Packaging single articles
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/082—Devices using cold storage material, i.e. ice or other freezable liquid disposed in a cold storage element not forming part of a container for products to be cooled, e.g. ice pack or gel accumulator

Definitions

  • the described embodiments relate to the field of refrigeration, in particular, the field of refrigeration packs and methods of using refrigeration packs to provide cooling to an interior of a container.
  • Refrigeration packs are widely used in the food industry for keeping food items such as meat, beverages, and produce cool during, for example, storage or transport. Food items may need to be kept cold during storage or transport to keep them from spoiling.
  • some embodiments of the invention provide a method of providing cooling to a storage container, the method including providing a feed of a liquid and at least one pack; cooling the feed to a slurry temperature within a freezing temperature range of the liquid to provide a slurry feed, the slurry feed comprising a liquid component and a frozen component; dividing at least one slurry portion from the slurry feed, to provide at least one refrigerant portion; for each refrigerant portion of the at least one refrigerant portion, housing that refrigerant portion in a corresponding pack of the at least one pack to provide the at least one refrigeration pack; enclosing at least one item to be stored within an interior space of the storage container; and, enclosing the at least one refrigeration pack within the storage container to cool the interior space of the storage container and the at least one item to be stored.
  • the storage container i) can be openable to receive the at least one refrigeration pack and the at least one item to be stored, ii) can be closable to enclose the at least one refrigeration pack and the at least one item to be stored, and iii) can be insulated against heat transfer from the interior space to an exterior of the storage container when the storage container is closed.
  • the at least one item to be stored can be different from the at least one refrigeration pack.
  • the at least one item to be stored can be a liquid food item selected from a group comprising pop, juice, and milk.
  • the at least one item to be stored can be a solid food item selected from a group comprising fruit, vegetables, meat, fish, and solid dairy products.
  • dividing the at least one slurry portion from the slurry feed may include putting the at least one refrigerant portion, in slurry form, into the at least one pack.
  • the method may include after housing the at least one refrigerant portion in the at least one pack, further cooling the at least one refrigerant portion within the at least one pack to convert the at least one refrigerant portion from the slurry form to a solid form.
  • further cooling the at least one refrigerant portion within the at least one pack may include moving the at least one refrigerant portion within the at least one pack through a cooling tunnel.
  • the refrigerant portion in the at least one pack can be in slurry form when received and enclosed in the storage container.
  • the at least one pack can be malleable, such that the at least one refrigeration pack containing the refrigerant portion in the slurry form can be malleable, the method can include shaping at least part of a surface of the at least one refrigeration pack to conform to at least part of a corresponding surface of an item of the at least one item enclosed in the storage container.
  • the method may include vibrating the at least one refrigeration pack within the storage container to impede separation of the at least one refrigerant portion within the at least one pack into a liquid fraction and a solid fraction.
  • vibrating the at least one refrigeration pack within the storage container can include vibrating the storage container to vibrate the at least one refrigeration pack contained therein.
  • the method can include after dividing the at least one slurry portion from the slurry feed converting the at least one slurry portion to solid form to provide the at least one refrigerant portion; and then, putting the at least one refrigerant portion, in the solid form, into the at least one pack.
  • converting the at least one slurry portion to solid form to provide the at least one refrigerant portion can include, for each slurry portion of the at least one slurry portion, compressing that slurry portion to squeeze water out of that slurry portion to provide the at least one refrigerant portion in solid form.
  • compressing that slurry portion to provide the at least one refrigerant portion in solid form can include shaping the at least one refrigerant portion to fit within the at least one pack.
  • the at least one pack may include at least one liner, each liner of the at least one liner being attachable to an interior surface of the storage container.
  • FIG. 1 in a flow chart, illustrates a method for providing cooling to an interior of a storage container
  • FIG. 2 in a flow chart, illustrates an alternative method for providing cooling to an interior of a storage container of FIG. 1 ;
  • FIG. 3 in a flow chart, illustrates an alternative method for providing cooling to an interior of a storage container of FIG. 1 , comprising additional steps between dividing the slurry portion from the slurry feed and housing the refrigerant portion in a pack;
  • FIG. 4 in a flow chart, illustrates an alternative method for providing cooling to an interior of a storage container.
  • Method 100 may begin at 102, in which a feed of a liquid and at least one pack is provided.
  • the feed of a liquid may be, for example, a feed of water from a water supply such as a tap.
  • the feed of a liquid may be a feed of a solution from a vat or container.
  • a solution may be a combination of multiple liquids, chemicals, for example, refrigerants and freeze point suppressant additives, and/or other solutes.
  • the at least one pack may be at least one bag made out of a plastic such as nylon, high-density polyethylene, low density polyethylene, or linear low-density polyethylene.
  • the at least one pack may be made of an alternative liquid retaining material.
  • the at least one pack may be a hard plastic container.
  • the at least one pack may comprise at least one liner.
  • Each liner of the at least one liner may be attachable to an interior surface of the storage container.
  • each liner of the at least one liner may attach to a sidewall of the storage container so that the sidewall of the storage container holds the at least one pack in place.
  • the at least one pack including the at least one liner may be integrally formed with the storage container.
  • the feed may be cooled to a slurry temperature within a freezing temperature range of the liquid to provide a slurry feed having both a solid component and a liquid component.
  • the slurry feed can be at least partly defined by its ice fraction and its temperature.
  • the temperature of the slurry feed may partly depend on composition of the feed. For example, if the feed includes an additive to suppress the freezing point of the feed, the percentage and type of additive used may affect the temperature of the slurry feed: adding freeze suppressants can enable the temperature of the slurry feed to be further reduced by reducing the temperature at which the slurry solution transitions from liquid to solid.
  • the ice fraction within the slurry feed can also depend on the length of time during which the feed is circulated in the slurry making machine and a flow rate at which the feed enters the slurry making machine.
  • slurry making machines known in the art may be used to convert the feed of a liquid to the slurry feed.
  • Ice Generator IG-48-10- 120 available from IceGen Corp. at 145 Shields Court, Toronto, Ontario, L3R 9T5 Canada may be used to cool the feed to produce a slurry feed.
  • Other slurry making machines such as the machine described, for example, in U.S. Pat. No. 5,157,939 (Lyon et al.) or U.S. Pat. No. 7,788,943 (Mogilevsky) could also be used.
  • At step 106 at least one slurry portion may be formed by dividing the slurry feed. Dividing at least one slurry portion from the slurry feed may provide at least one refrigerant portion. Examples of how the at least one slurry portion may be divided from the slurry feed are discussed in more detail below. That being said, the examples discussed below are for exemplary purposes only and are not meant to limit the means by which the at least one slurry portion may be formed by dividing the slurry feed.
  • each refrigerant portion of the at least one refrigerant portion can be housed in a corresponding pack of the at least one pack. Housing each refrigerant portion in a corresponding pack can provide at least one refrigeration pack.
  • step 106 of dividing the at least one slurry portion from the slurry feed to provide at least one refrigerant portion can be completed by putting the at least one refrigerant portion, in slurry form, into the at least one pack.
  • the at least one refrigeration pack can be enclosed within the storage container to be cooled. With the at least one refrigeration pack enclosed within the storage container, the at least one refrigeration pack can cool an interior space of the storage container. At least one item to be stored may also be placed within the storage container and can be kept cool by the refrigeration pack. In some examples, the at least one refrigeration pack can be placed within the storage container prior to the at least one item to be kept cool, and in other examples the at least one item to be kept cool can be placed within the storage container prior to the at least one refrigeration pack. In yet another example, the at least one refrigeration pack and the at least one item to be kept cool are placed in the storage container simultaneously.
  • the at least one item to be stored can be different from the at least one refrigeration pack.
  • the at least one item to be stored can be a liquid food item selected from a group comprising pop, juice, and milk.
  • the at least one item to be stored can be a solid food item selected from a group comprising fruit, vegetables, meat, fish, and solid dairy products (such as cheese).
  • the at least one item to be stored is at least two different liquid food items.
  • the at least one item to be stored is at least two different solid food items.
  • the at least one item to be stored is at least one liquid food item and at least one solid food item.
  • the storage container is openable to receive the at least one refrigeration pack and the at least one item to be stored.
  • the storage can be closeable to enclose the at least one refrigeration pack and the at least one item to be store.
  • the storage container can be insulated against heat transfer from the interior space to an exterior of the storage container when the storage container is closed.
  • the storage container can be openable, closeable, and insulated.
  • an additional step of cooling the at least one refrigerant portion within the at least one pack may be performed. Cooling the at least one refrigerant portion within the at least one pack can convert the at least one refrigerant portion from a slurry form to a solid form.
  • the method 100 may further include the step of moving the at least one refrigerant portion and at least one pack through a cooling tunnel. Moving the at least one refrigerant portion and the at least one pack through a cooling tunnel can further cool the at least one refrigerant portion to convert it from a slurry form to a solid form.
  • the at least one pack may be left open or may be sealed prior to cooling the at least one refrigerant portion.
  • the at least one refrigerant portion may be sized to fit within the at least one pack after expansion of the at least one refrigerant portion caused by freezing.
  • the at least one pack may include a vent to allow air to escape the at least one pack as the at least one refrigerant portion expands.
  • the at least one pack may be flexible or stretchable to allow the at least one refrigerant portion to expand as it freezes.
  • the at least one refrigeration pack can be enclosed within the storage container.
  • the at least one refrigerant portion may be in a slurry form when received by the storage container, step 1 12.
  • the at least one pack may be malleable, and the at least one pack containing the at least one refrigerant portion in slurry form may also be malleable (the pack may be made, for example, using a flexible plastic).
  • the method 100 may include the step 1 14 of shaping at least a part of a surface of the at least one refrigeration pack to conform to a shape of, or at least part of a corresponding surface of, an item of the at least one item enclosed in the storage container.
  • the method 100 may include the step 1 16 of vibrating the at least one refrigeration pack within the storage container to impede separation of the slurry of the at least one refrigerant portion within the at least one pack into a liquid fraction and a solid fraction.
  • the at least one refrigeration pack itself may be vibrated, and in other examples, the at least one storage container with the at least one pack therein may be vibrated to vibrate the at least one refrigeration pack.
  • the vibration step 1 16 is shown in FIG. 2 to occur within the enclosing step 1 10 this may not be case in alternative examples of the method 100.
  • the at least one refrigeration pack may be vibrated to impede separation of the at least one refrigeration portion within the at least one pack prior to the at least one refrigeration pack being inserted into the storage container.
  • the at least one refrigeration pack may be vibrated before and after being enclosed within the storage container, by, for example, directly vibrating the at least one refrigeration pack itself before insertion into the storage container, and, after the at least one refrigeration pack is inserted into the storage container, vibrating the storage container to impart vibrations to the at least one refrigeration pack to impede separation of the liquid and solid components of the slurry of the at least one refrigeration portion within the at least one refrigeration pack.
  • an additional step 106a may be performed in which the slurry portion can be converted from a slurry form to a solid form.
  • the refrigerant portion, in a solid form, can then be put into the at least one pack at step 108.
  • the at least one slurry portion can be compressed to squeeze water out of that slurry portion to yield a solid portion. Compressing the at least one slurry portion to squeeze water out of that slurry portion can thus provide at the least one refrigerant portion in a solid form.
  • the at least one slurry portion can be compressed to form a shape to fit within the at least one pack.
  • the at least one compressed slurry portion shaped to fit within the at least one pack can be housed within the at least one pack.
  • a feed of liquid is provided and converted into a slurry feed which can be divided into at least one refrigerant portion or multiple refrigerant portions 202, 204, 206.
  • the at least one refrigerant portion can be enclosed within the storage container, step 208.
  • at least one item can also be enclosed within the storage container at step 208. The at least one item can be inserted into the container before, after, or simultaneous to the insertion of the at least one refrigerant portion into the container.
  • the at least one refrigerant portion can be in slurry form when enclosed in the storage container and can conform to the shape of the at least one item also placed within the storage container. These items may include, for example, bottles of juice or pop.
  • the at least one refrigerant portion of method 200 may allow for increased heat transfer from the at least one item to the at least one refrigerant portion as compared to the heat transfer from the at least one item to the at least one refrigerant pack of method 100.
  • the heat transfer capability may be better in method 200 than in method 100 as there is no pack to reduce the heat transfer and the at least one refrigerant portion may better conform to the shape of the at least one item which can promote heat transfer.
  • the container having the at least one refrigerant portion and the at least one item to be cooled may be exposed to the cold to freeze at least a portion of the at least one refrigerant portion.
  • the at least one refrigerant portion and the at least one item to be kept cool may both be frozen.
  • at least one refrigerant portion in slurry form may be supplied to the container before any of the at least one items to be kept cool are placed within the container.
  • a mold may then be inserted into the at least one refrigerant portion within the container. The mold may be shaped to correspond to the form of the at least one item to be kept cool.
  • the mold may define a number of cylindrical forms whose dimensions substantially match those of the bottles.
  • the at least one refrigerant portion may be converted from a slurry form to a solid form.
  • the mold may be removed, leaving a space corresponding to the mold shape in at least one refrigerant portion. Subsequently, at least one item, such as bottles, may then be inserted into these spaces, and the storage container may be closed.
  • the mold can be shaped to provide a large interior space that can accommodate multiple items to be kept cool.
  • slurry around the sides of the storage container can be frozen into solid form, but a relatively large interior space can be left open to receive the multiple items to be kept cool. Then these multiple items can be inserted into this interior space, and additional slurry added so that the interior space can be mostly, or even almost entirely, occupied by the combination of the additional slurry and the multiple items.
  • the mold may be provided with heat transfer capabilities to assist with converting the at least one refrigerant portion from a slurry form to a solid form.
  • the mold may also be capable of heating, so that it may melt part of the at least one refrigerant portion in the solid form to aid in the removal of the mold from the at least one refrigerant portion in solid form.
  • a high-frequency low amplitude vibration may be used to separate the mold from the at least one refrigerant portion in the solid form.
  • the mold may be made of an ice-phobic material to allow the mold to be removed from the at least one refrigeration portion in solid form.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un procédé de fourniture d'un refroidissement à un récipient de stockage. Le procédé comprend les étapes consistant à fournir une alimentation d'un liquide et au moins un bloc; à refroidir l'alimentation à une température de suspension pour obtenir une alimentation en suspension; à séparer au moins une portion de suspension de l'alimentation en suspension pour obtenir au moins une portion de fluide frigorigène; à loger au moins une portion de fluide frigorigène dans un bloc correspondant pour obtenir ledit au moins un bloc de réfrigération; et à enfermer ledit au moins un bloc de réfrigération à l'intérieur du récipient de stockage pour refroidir un espace intérieur du récipient de stockage.
PCT/CA2020/050428 2019-04-01 2020-04-01 Système et procédés pour fournir un refroidissement à l'intérieur d'un récipient WO2020198863A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA3135640A CA3135640A1 (fr) 2019-04-01 2020-04-01 Systeme et procedes pour fournir un refroidissement a l'interieur d'un recipient
US17/489,886 US20220017246A1 (en) 2019-04-01 2021-09-30 System and methods for providing cooling to an interior of a container

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962827414P 2019-04-01 2019-04-01
US62/827,414 2019-04-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/489,886 Continuation US20220017246A1 (en) 2019-04-01 2021-09-30 System and methods for providing cooling to an interior of a container

Publications (1)

Publication Number Publication Date
WO2020198863A1 true WO2020198863A1 (fr) 2020-10-08

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ID=72667524

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2020/050428 WO2020198863A1 (fr) 2019-04-01 2020-04-01 Système et procédés pour fournir un refroidissement à l'intérieur d'un récipient

Country Status (3)

Country Link
US (1) US20220017246A1 (fr)
CA (1) CA3135640A1 (fr)
WO (1) WO2020198863A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5723063A (en) * 1996-06-26 1998-03-03 Jie; Hae Soft ice
US8151577B2 (en) * 2007-12-24 2012-04-10 Hydro-Turbine Developments Pty Ltd Frozen beverage device
US9267722B2 (en) * 2013-05-10 2016-02-23 Packaging Technology Group, Inc. Phase change material bladder for use in a temperature controlled product shipper
US20180160701A1 (en) * 2016-12-09 2018-06-14 Mordechai Einhorn Frozen product and method of providing same
US20180305087A1 (en) * 2017-04-25 2018-10-25 Mordechai Einhorn Slurry ice containment system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7096686B2 (en) * 2004-03-04 2006-08-29 Follett Corporation Ice making apparatus
BE1020620A5 (fr) * 2012-04-13 2014-02-04 Franz Colruyt Ets
GB201611031D0 (en) * 2016-06-24 2016-08-10 Softbox Systems Ltd A passive temperature control system for transport and storage containers
EP3672539A4 (fr) * 2017-08-24 2021-05-19 Arctic Express Packs LLC Système de pack réfrigérant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5723063A (en) * 1996-06-26 1998-03-03 Jie; Hae Soft ice
US8151577B2 (en) * 2007-12-24 2012-04-10 Hydro-Turbine Developments Pty Ltd Frozen beverage device
US9267722B2 (en) * 2013-05-10 2016-02-23 Packaging Technology Group, Inc. Phase change material bladder for use in a temperature controlled product shipper
US20180160701A1 (en) * 2016-12-09 2018-06-14 Mordechai Einhorn Frozen product and method of providing same
US20180305087A1 (en) * 2017-04-25 2018-10-25 Mordechai Einhorn Slurry ice containment system and method

Also Published As

Publication number Publication date
CA3135640A1 (fr) 2020-10-08
US20220017246A1 (en) 2022-01-20

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