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US20070119186A1 - Universal thermoelectric module apparatus - Google Patents

Universal thermoelectric module apparatus Download PDF

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Publication number
US20070119186A1
US20070119186A1 US11/290,177 US29017705A US2007119186A1 US 20070119186 A1 US20070119186 A1 US 20070119186A1 US 29017705 A US29017705 A US 29017705A US 2007119186 A1 US2007119186 A1 US 2007119186A1
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US
United States
Prior art keywords
thermoelectric
thermoelectric module
module apparatus
universal
cold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/290,177
Inventor
Mark Kitchens
Regis Wandres
John Chiu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US11/290,177 priority Critical patent/US20070119186A1/en
Priority to US11/312,940 priority patent/US20070119187A1/en
Publication of US20070119186A1 publication Critical patent/US20070119186A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/023—Mounting details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/025—Removal of heat
    • F25B2321/0251—Removal of heat by a gas
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/12—Portable refrigerators

Definitions

  • thermoelectric coolers relates generally to the field of thermoelectric coolers and more specifically to a Universal Thermoelectric Module Apparatus.
  • a common low-cost heat pump cooler today often uses thermoelectric technology as the cooling engine.
  • thermoelectric module is a heat pump transferring heat from the inside of the cooler to the surrounding environment.
  • a thermoelectric module generally consists of a cold side exposed to the inside of the cooler and a hot side exposed to the surrounding environment.
  • a thermoelectric chip sandwiched between the cold side and the hot side provides the active mean of transferring heat from the cold side to the hot side.
  • thermoelectric coolers There are many different commercial embodiments of thermoelectric coolers on the market today. Each have their own set of specifications and characteristics. As described in U.S. Pat. No. 5,319,937 to Fritsch, the invention discloses a thermoelectric cooler with a unique ventilation system. Such ventilation system is custom-made for this cooler and is an integral part of the cooler. Another prior art as described in U.S. Pat. No. 6,073,789 to Lundblade also discloses a thermoelectric cooler with an integral thermoelectric module. In the inventions above, the thermoelectric module is an integral part of the cooler, the thermoelectric module is specifically designed to fit only this one cooler, repair or maintenance of the thermoelectric module requires extensive handling and disassembling.
  • thermoelectric cooler using a thermoelectric module where the thermoelectric module assembly is an integral one-piece engine that can be installed rapidly without complicated assembly.
  • thermoelectric module assembly is an integral one-piece engine that can be installed rapidly without complicated assembly.
  • Such inventions improves the cooler's assembly process, however, each cooler design still utilizes a custom-designed thermoelectric module.
  • such designs require the use of a mounting hardware between the thermoelectric module and the cooler increasing assembly labor and compromising good thermal insulation properties.
  • the primary object of the invention is to provide a one-piece thermoelectric heat pump assembly.
  • Another object of the invention is to provide a ready to use one-piece thermoelectric heat pump assembly.
  • Another object of the invention is to provide a one-piece thermoelectric heat pump assembly with a one-step installation process.
  • a further object of the invention is to provide a one-piece thermoelectric heat pump assembly easy to replace.
  • Yet another object of the invention is to provide a cross-compatible one-piece thermoelectric heat pump assembly.
  • thermoelectric heat pump assembly comprising: a thermoelectric heat pump assembly, an air circulation system, a structural plate, and an insulated interface.
  • FIG. 1 is a perspective view of the invention.
  • FIG. 2 is a perspective view of the invention.
  • FIG. 3 is an exploded view of the invention.
  • FIG. 4 is a partial exploded view of the invention.
  • FIG. 5 is a perspective view of the invention.
  • FIG. 6 is a perspective view of the invention.
  • FIG. 7 is a partial cross sectional view of the invention.
  • FIG. 8 is a cross sectional view of the invention.
  • FIG. 1 and FIG. 2 there is shown a perspective view of the present invention 10 .
  • FIG. 1 displays the hot side of the invention and
  • FIG. 2 displays the cold side of the present invention.
  • FIG. 1 and FIG. 2 the insulated interface 20 and structural plate 30 .
  • FIG. 1 reveals the hot side visible portion of the thermoelectric heat pump assembly 40 with the finned heat sink 41 visible.
  • FIG. 1 reveals the hot side visible portion of the thermoelectric heat pump assembly 40 with the finned heat sink 41 visible.
  • FIG. 1 and FIG. 2 reveals the cold side visible portion of the thermoelectric heat pump assembly 40 with the finned cols sink 42 visible.
  • FIG. 1 and FIG. 2 also reveal the air circulation system 60 composed of an electric rotor system 61 visible in FIG. 1 and a fan blade system where in this preferred embodiment there is shown in FIG. 1 the hot side fan blade 62 and shown in FIG. 2 the cold side fan blade 63 .
  • FIG. 3 there is shown an exploded view of the present invention 10 .
  • FIG. 3 reveals the elements of the thermoelectric heat pump assembly 40 such as the finned heat sink 11 and finned cold sink 42 .
  • Finned heat sink 41 and finned cold sink 42 sandwich in between them the thermoelectric chip 43 and cold block 44 .
  • the thermoelectric chip 43 provides the heat transfer ability to the thermoelectric heat pump assembly 40
  • the cold block 44 provides physical distance between the hot side and cold side of the thermoelectric heat pump assembly 40
  • finned heat sink 41 allows thermoelectric heat pump assembly 40 to radiate heat while finned cold sink 42 allows thermoelectric assembly 40 to absorb heat.
  • the insulated interface 20 , structural plate 30 and the air circulation system 60 composed of electric rotor system 61 and fan blade system hot side fan blade 62 and cold side fan blade 63 .
  • FIG. 3 the finned heat sink 41 , thermoelectric chip 43 , cold block 44 and finned cold sink 42 arranged in a vertical assembly and secured together to structural plate 30 using fasteners 101 and 102 .
  • air circulation system 60 composed of hot side fan blade 62 , electric rotor system 61 , and cold side fan blade 63 fastens to structural plate 30 using fasteners 103 and 104 .
  • Gasket 105 and gasket 106 provide thermal and noise insulation between structural plate 30 and other parts of the invention.
  • FIG. 3 shows insulated interface 30 .
  • Insulated. interface 30 is made of semi-rigid insulated material such as insulation grade expanded polystyrene or other similar materials. Insulated interface 30 is of generally quadrilateral shape and thermally insulates the cold side from the hot side of the thermoelectric heat pump assembly 40 .
  • structural plate 30 fastens thermoelectric heat pump assembly 40 and air circulation system 60 in a generally longitudinal relationship enabling continuous motions of air across finned heat sink 41 and finned cold sink 42 .
  • FIG. 4 there is shown an exploded assembly view of the present invention 10 assembled with an insulated vessel 70 and a cosmetic outside cover 80 .
  • Invention 10 fits within cavity 71 of insulated vessel 70 .
  • insulated interface 20 has perimeter compressible surface features 21 .
  • FIG. 5 shows the present invention 10 assembled in insulated vessel 70 viewed from the hot side.
  • FIG. 6 shows the present invention 10 assembled in insulated vessel 70 viewed from the cold side.
  • FIG. 7 Shows a partial section view of the present invention 10 assembled in insulated vessel 70 , showing insulated interface 20 fitting within cavity 71 and where insulated interface 20 perimeter compressible surface features 21 form a dissengageable friction and thermal bond with cavity 71 of insulated vessel 70 .
  • FIG. 8 shows a sectional view of the present invention 10 installed in insulated vessel 70 where it shows a dissengageable tight compressed fit between insulated interface 20 at the physical junction between perimeter compressible features 21 and cavity 71 .
  • thermoelectric Module Apparatus that is a one-piece thermoelectric heat pump assembly and than can be installed or removed without the use of tools or fasteners with an insulated vessel where the insulated vessels physical characteristics and application can change, the same invention can fit in a wide varieties of applications.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Universal Thermoelectric Module Apparatus with a thermoelectric heat pump assembly, an air circulation system, a structural plate, and an insulated interface. A preferred embodiment includes the thermoelectric heat pump assembly having a hot side and a cold side having a finned heat sink, a thermoelectric chip, a cold block, and a finned cold sink A preferred embodiment includes the heat think, thermoelectric chip, cold block, and finned cold sink arranged and secured together in a vertical assembly

Description

    Cross Reference to Related Applications
  • Not Applicable
    • Statement Regarding Federally Sponsored Research or Development
  • Not Applicable
    • Description of Attached Appendix
  • Not Applicable
    • Background of the Invention
  • This invention relates generally to the field of thermoelectric coolers and more specifically to a Universal Thermoelectric Module Apparatus. There are different types of consumer portable coolers on the market today, utilizing a variety of cooling technology. Some use passive cooling, such as ice coolers, some use active cooling such as compressor-based coolers or heat pumps type coolers. A common low-cost heat pump cooler today often uses thermoelectric technology as the cooling engine.
  • U.S. Pat. No. 5,319,937 to Fritsch discloses a consumer portable cooler utilizing a thermoelectric heat pump, also commonly known in this industry as a thermoelectric module. A thermoelectric module is a heat pump transferring heat from the inside of the cooler to the surrounding environment. A thermoelectric module generally consists of a cold side exposed to the inside of the cooler and a hot side exposed to the surrounding environment. A thermoelectric chip sandwiched between the cold side and the hot side provides the active mean of transferring heat from the cold side to the hot side.
  • There are many different commercial embodiments of thermoelectric coolers on the market today. Each have their own set of specifications and characteristics. As described in U.S. Pat. No. 5,319,937 to Fritsch, the invention discloses a thermoelectric cooler with a unique ventilation system. Such ventilation system is custom-made for this cooler and is an integral part of the cooler. Another prior art as described in U.S. Pat. No. 6,073,789 to Lundblade also discloses a thermoelectric cooler with an integral thermoelectric module. In the inventions above, the thermoelectric module is an integral part of the cooler, the thermoelectric module is specifically designed to fit only this one cooler, repair or maintenance of the thermoelectric module requires extensive handling and disassembling.
  • Other inventions such as U.S. Pat. No. 5,301,508 to Kahl or U.S. Pat. No. 6,301,901 B1 to Coffee describe a thermoelectric cooler using a thermoelectric module where the thermoelectric module assembly is an integral one-piece engine that can be installed rapidly without complicated assembly. Such inventions improves the cooler's assembly process, however, each cooler design still utilizes a custom-designed thermoelectric module. Furthermore, such designs require the use of a mounting hardware between the thermoelectric module and the cooler increasing assembly labor and compromising good thermal insulation properties.
    • BRIEF SUMMARY OF THE INVENTION
  • The primary object of the invention is to provide a one-piece thermoelectric heat pump assembly.
  • Another object of the invention is to provide a ready to use one-piece thermoelectric heat pump assembly.
  • Another object of the invention is to provide a one-piece thermoelectric heat pump assembly with a one-step installation process.
  • A further object of the invention is to provide a one-piece thermoelectric heat pump assembly easy to replace.
  • Yet another object of the invention is to provide a cross-compatible one-piece thermoelectric heat pump assembly.
  • Other objects and advantages of the present invention will become apparent from the following descriptions, taken in connection with the accompanying drawings, wherein, by way of illustration and example, an embodiment of the present invention is disclosed.
  • In accordance with a preferred embodiment of the invention, there is disclosed Universal Thermoelectric Module Apparatus comprising: a thermoelectric heat pump assembly, an air circulation system, a structural plate, and an insulated interface.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The drawings constitute a part of this specification and include exemplary embodiments to the invention, which may be embodied in various forms. It is to. be understood that in some instances various aspects of the invention may be shown exaggerated or enlarged to facilitate an understanding of the invention.
  • FIG. 1 is a perspective view of the invention.
  • FIG. 2 is a perspective view of the invention.
  • FIG. 3 is an exploded view of the invention.
  • FIG. 4 is a partial exploded view of the invention.
  • FIG. 5 is a perspective view of the invention.
  • FIG. 6 is a perspective view of the invention.
  • FIG. 7 is a partial cross sectional view of the invention.
  • FIG. 8 is a cross sectional view of the invention.
    • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Detailed descriptions of the preferred embodiment are provided herein. It is to be understood, however, that the present invention may be embodied in various forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but rather as a basis for the claims and as a representative basis for teaching one skilled in the art to employ the present invention in virtually any appropriately detailed system, structure or manner. Turning first to FIG. 1 and FIG. 2 there is shown a perspective view of the present invention 10. FIG. 1 displays the hot side of the invention and FIG. 2 displays the cold side of the present invention. There is shown in FIG. 1 and FIG. 2 the insulated interface 20 and structural plate 30. FIG. 1 reveals the hot side visible portion of the thermoelectric heat pump assembly 40 with the finned heat sink 41 visible. FIG. 2 reveals the cold side visible portion of the thermoelectric heat pump assembly 40 with the finned cols sink 42 visible. FIG. 1 and FIG. 2 also reveal the air circulation system 60 composed of an electric rotor system 61 visible in FIG. 1 and a fan blade system where in this preferred embodiment there is shown in FIG. 1 the hot side fan blade 62 and shown in FIG. 2 the cold side fan blade 63.
  • Now turning to FIG. 3, there is shown an exploded view of the present invention 10. FIG. 3 reveals the elements of the thermoelectric heat pump assembly 40 such as the finned heat sink 11 and finned cold sink 42. Finned heat sink 41 and finned cold sink 42 sandwich in between them the thermoelectric chip 43 and cold block 44. As in any thermoelectric modules, the thermoelectric chip 43 provides the heat transfer ability to the thermoelectric heat pump assembly 40, the cold block 44 provides physical distance between the hot side and cold side of the thermoelectric heat pump assembly 40, finned heat sink 41 allows thermoelectric heat pump assembly 40 to radiate heat while finned cold sink 42 allows thermoelectric assembly 40 to absorb heat. Also shown in FIG. 3 is the insulated interface 20, structural plate 30 and the air circulation system 60 composed of electric rotor system 61 and fan blade system hot side fan blade 62 and cold side fan blade 63.
  • In accordance with an important claim of this invention there is shown in FIG. 3 the finned heat sink 41, thermoelectric chip 43, cold block 44 and finned cold sink 42 arranged in a vertical assembly and secured together to structural plate 30 using fasteners 101 and 102. In accordance with another important claim of this invention air circulation system 60 composed of hot side fan blade 62, electric rotor system 61, and cold side fan blade 63 fastens to structural plate 30 using fasteners 103 and 104. Gasket 105 and gasket 106 provide thermal and noise insulation between structural plate 30 and other parts of the invention.
  • Also in accordance with important claims of the present invention 10, FIG. 3 shows insulated interface 30. Insulated. interface 30 is made of semi-rigid insulated material such as insulation grade expanded polystyrene or other similar materials. Insulated interface 30 is of generally quadrilateral shape and thermally insulates the cold side from the hot side of the thermoelectric heat pump assembly 40.
  • Lastly, as shown in FIG. 3, structural plate 30 fastens thermoelectric heat pump assembly 40 and air circulation system 60 in a generally longitudinal relationship enabling continuous motions of air across finned heat sink 41 and finned cold sink 42.
  • Now turning to FIG. 4 there is shown an exploded assembly view of the present invention 10 assembled with an insulated vessel 70 and a cosmetic outside cover 80. Invention 10 fits within cavity 71 of insulated vessel 70. In accordance with an important claim of the present invention insulated interface 20 has perimeter compressible surface features 21.
  • FIG. 5 shows the present invention 10 assembled in insulated vessel 70 viewed from the hot side.
  • FIG. 6 shows the present invention 10 assembled in insulated vessel 70 viewed from the cold side.
  • FIG. 7 Shows a partial section view of the present invention 10 assembled in insulated vessel 70, showing insulated interface 20 fitting within cavity 71 and where insulated interface 20 perimeter compressible surface features 21 form a dissengageable friction and thermal bond with cavity 71 of insulated vessel 70. FIG. 8 shows a sectional view of the present invention 10 installed in insulated vessel 70 where it shows a dissengageable tight compressed fit between insulated interface 20 at the physical junction between perimeter compressible features 21 and cavity 71.
  • In conclusion, and in accordance with the claims of the present invention, this specification discloses a Universal Thermoelectric Module Apparatus that is a one-piece thermoelectric heat pump assembly and than can be installed or removed without the use of tools or fasteners with an insulated vessel where the insulated vessels physical characteristics and application can change, the same invention can fit in a wide varieties of applications.
  • While the invention has been described in connection with a preferred embodiment, it is not intended to limit the scope of the invention to the particular form set forth, but on the contrary, it is intended to cover such alternatives, modifications, and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. Universal Thermoelectric Module Apparatus comprising:
a thermoelectric heat pump assembly;
an air circulation system;
a structural plate; and
an insulated interface.
2. Universal Thermoelectric Module Apparatus as claimed in claim 1 wherein said thermoelectric heat pump assembly having a hot side and a cold side comprises a finned heat sink, a thermoelectric chip, a cold block, and a finned cold sink
3. Universal Thermoelectric Module Apparatus as claimed in claim 2 wherein said heat think, thermoelectric chip, cold block, and finned cold sink are arranged and secured together in a vertical assembly
4. Universal Thermoelectric Module Apparatus as claimed in claim 1 wherein said air circulation system comprises an electric rotor system coupled with a fan blade system
5. Universal Thermoelectric Module Apparatus as claimed in claim 4 wherein said air circulation system creates continuous motions of air
6. Universal Thermoelectric Module Apparatus as claimed in claim 1 wherein said structural plate fastens said thermoelectric heat pump assembly and said air circulation system in a generally longitudinal relationship enabling said continuous motions of air respectively across said finned heat sink and said finned cold sink.
7. Universal Thermoelectric Module Apparatus as claimed in claim 1 wherein said insulated interface is a semi-rigid insulating material having a generally quadrilateral shape
8. Universal Thermoelectric Module Apparatus as claimed in claim 1 where said insulated interface thermally insulates said hot side and said cold side of said thermoelectric heat pump assembly
9. Universal Thermoelectric Module Apparatus as claimed in claim 7 wherein said insulated interface further comprises perimeter compressible surface features where said perimeter compressible surface features form a dissengageable friction and thermal bond with an insulated vessel
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US11/312,940 US20070119187A1 (en) 2005-11-30 2005-12-20 Thermoelectric unibody cooler apparatus

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Cited By (14)

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US20080295522A1 (en) * 2007-05-25 2008-12-04 David Allen Hubbell Thermo-energy-management of solid-state devices
US20100115969A1 (en) * 2008-11-12 2010-05-13 General Mills, Inc. Portable thermoelectric cooling/heating unit and related merchandizing system
US20140016264A1 (en) * 2012-07-13 2014-01-16 Hon Hai Precision Industry Co., Ltd. Heat dissipation device
US20140260330A1 (en) * 2013-03-15 2014-09-18 Laird Technologies, Inc. Thermoelectric Assembly
CN104143935A (en) * 2014-07-14 2014-11-12 广东工业大学 Outdoor emergence charging unit
US20150192332A1 (en) * 2012-11-09 2015-07-09 Laird Technologies, Inc. Thermoelectric assembly
CN105997334A (en) * 2016-07-01 2016-10-12 苏州爱科意智能科技有限公司 Wearable heating and cooling device
WO2017059443A1 (en) * 2015-10-01 2017-04-06 Hoffman Enclosures, Inc. Reduced footprint thermoelectric cooler controller
US10072881B2 (en) 2014-11-26 2018-09-11 Hoffman Enclosures, Inc. Reduced footprint thermoelectric cooler controller
EP3537063A1 (en) * 2018-03-09 2019-09-11 LG Electronics Inc. Refrigerator
US10502463B2 (en) 2014-11-26 2019-12-10 Hoffman Enclosures, Inc. Thermoelectric cooler controller and angled mounting thereof
WO2021242816A1 (en) * 2020-05-27 2021-12-02 Igloo Products Corp. Modular thermoelectric apparatus for use in multiple portable containers
EP3891445A4 (en) * 2018-12-04 2022-09-07 Nordic 24/7 Services Oy A cooling unit and a refrigeration device
US11913682B2 (en) 2020-12-23 2024-02-27 Chillware, LLC Apparatus for selectively heating or cooling a food product and methods of assembling and using same

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