EP4083548A1 - Dispositif de réfrigération - Google Patents

Dispositif de réfrigération Download PDF

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Publication number
EP4083548A1
EP4083548A1 EP22168833.6A EP22168833A EP4083548A1 EP 4083548 A1 EP4083548 A1 EP 4083548A1 EP 22168833 A EP22168833 A EP 22168833A EP 4083548 A1 EP4083548 A1 EP 4083548A1
Authority
EP
European Patent Office
Prior art keywords
air
side wall
machine compartment
wall portion
refrigeration device
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.)
Pending
Application number
EP22168833.6A
Other languages
German (de)
English (en)
Inventor
Juanjuan Fu
Yueqiang LU
Lisha Zhou
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP4083548A1 publication Critical patent/EP4083548A1/fr
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/063—Walls defining a cabinet formed by an assembly of panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0026—Details for cooling refrigerating machinery characterised by the incoming air flow
    • F25D2323/00267—Details for cooling refrigerating machinery characterised by the incoming air flow through the side
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00276—Details for cooling refrigerating machinery characterised by the out-flowing air from the bottom

Definitions

  • the present invention relates to the field of household appliance technologies, and in particular, to a refrigeration device.
  • Some existing refrigeration devices include a refrigeration system including a compressor.
  • the compressors may generate heat during operation, and the heat affects the efficiency of the compressors to some extent.
  • To reduce the impact of the heat on the operating efficiency of the compressors there is a solution of cooling the compressors through flowing air in the prior art, but the cooling effect is poor due to an unreasonable airflow path.
  • An aspect of the present invention aims to provide an improved refrigeration device. Compared with the prior art, the refrigeration device provides a better cooling effect and higher operating efficiency for a compressor.
  • a refrigeration device including: a main body, where a machine compartment is disposed below the main body, and a compressor, a condenser, and a fan are disposed in the machine compartment; and the machine compartment includes a bottom wall, a rear wall, and a first side wall and a second side wall disposed opposite to each other, where in the first side wall and the second side wall, the condenser is closer to the first side wall than the compressor, and the compressor is closer to the second side wall than the condenser; and a first weather strip connected to the bottom wall, where the first weather strip extends in a front-rear direction, and the bottom wall includes a first bottom wall portion located between the first side wall and the first weather strip and a second bottom wall portion located between the second side wall and the first weather strip; the rear wall includes a first rear wall portion corresponding to the first bottom wall portion and a second rear wall portion corresponding to the second bottom wall portion; and at least one of the first side wall and the first rear wall portion is provided with an air inlet used
  • the distance between the air inlet and the air outlet is longer, and cold air can come into full contact with components in the machine compartment, to take more heat away.
  • hot air that flows out of the air outlet can flow less to the air inlet, and a temperature of air that flows into the machine compartment is lower, thereby providing a better cooling effect for the compressor; and the first weather strip also blocks the hot air that flows out of the air outlet from flowing to the air inlet to some extent, and the temperature of the air that flows into the machine compartment is lower.
  • the air inlet includes a first air inlet located on the first side wall, and the first air inlet faces the condenser.
  • the air inlet includes a second air inlet located on the first rear wall portion.
  • a part of the air outlet is located between the first weather strip and the condenser, and/or a part of the air outlet is located between the second side wall and the compressor.
  • the machine compartment further includes a front wall disposed opposite to the rear wall, and the air outlet is located between the front wall and the bottom wall.
  • the refrigeration device further includes a second weather strip, where the second weather strip extends in a left-right direction; and the second weather strip is connected to a lower end of the rear wall and extends from the first rear wall portion to the second rear wall portion, or the second weather strip is connected to a rear end of the bottom wall and extends from the first bottom wall portion to the second bottom wall portion.
  • the air inlet is provided with a conical air duct, and the air duct has an exterior size less than an interior size.
  • the machine compartment includes a first zone between the first side wall and the condenser, and a second zone between the second side wall and the condenser; and the compressor and the fan are located in the second zone, and/or the machine compartment further includes a water collection box located in the second zone, and/or the fan is located between the condenser and the compressor.
  • the refrigeration device further includes an air intake structure, where the air inlet is formed on the air intake structure; and the air intake structure includes an air duct support located in the machine compartment and a through hole located on the first side wall and/or the rear wall, and the air duct support is provided with an air duct for air to pass through and for forming the air inlet; and
  • the refrigeration device further includes a first clamping structure, where the first clamping structure is adapted to clamp the air duct support to the first side wall and/or the rear wall.
  • the refrigeration device further includes a cover plate and a second clamping structure, where the cover plate is located outside the machine compartment, and the second clamping structure is adapted to clamp the cover plate to the air duct support.
  • the first side wall or the rear wall is provided with a flange folded toward the interior of the machine compartment; and the first clamping structure includes a clamping hole located on the flange and a first clamping buckle located on the air duct support, and the first clamping buckle is at least partially located in the clamping hole to connect a cover plate of the air duct to the first side wall or the rear wall.
  • the second clamping structure includes a clamping claw located on the cover plate and a second clamping buckle located on the air duct support; and the clamping claw is adapted to pass through the through hole and be clamped to the second clamping buckle.
  • An embodiment of the present invention provides a refrigeration device 100.
  • the refrigeration device 100 provided by this embodiment of the present invention may be a refrigerator, a freezer, or a wine cooler.
  • This embodiment of the present invention exemplarily illustrates some possible implementations by using a household refrigerator as an example, but these implementations are not limited to being applicable to only the household refrigerator. It can be expected that the following implementations can also be used in the freezer or the wine cooler, to achieve the same technical effect.
  • FIG. 1 shows a partial elevation view of a refrigerator
  • FIG. 3 and FIG. 4 show partial exploded views of a refrigerator from different perspectives, in which a structure of a machine compartment 2 is illustrated
  • FIG. 5 shows a rear view of a machine compartment 2, in which a rear wall 7 and some cables and pipes in the machine compartment 2 are hidden
  • FIG. 6 illustrates an air flow path in a machine compartment 2, positions of a condenser 4, a fan 5, and a compressor 3, and positions of an air inlet 11 and an air outlet 12 from a top view;
  • the refrigeration device 100 includes a main body 1, and the machine compartment 2 of the refrigeration device 100 is disposed below the main body 1.
  • the machine compartment 2 is used for accommodating components, for example, the compressor 3, the condenser 4, and the fan 5 of the refrigeration device 100.
  • the machine compartment 2 is a relatively closed space, and may be formed by enclosing a front wall 13, a bottom wall 6, the rear wall 7, and a first side wall 8 and a second side wall 9 of the refrigeration device 100 that are disposed opposite to each other.
  • Both the condenser 4 and the compressor 3 are located between the first side wall 8 and the second side wall 9, the condenser 4 is closer to the first side wall 8 than the compressor 3, and the compressor 3 is closer to the second side wall 9 than the condenser 4.
  • the refrigeration device 100 is further provided with a first weather strip 10, and the first weather strip 10 is connected to the bottom wall 6 and extends in a front-rear direction.
  • the bottom wall 6 is divided into two zones by the first weather strip 10 in a left-right direction.
  • One zone is a first bottom wall portion 61 between the first side wall 8 and the first weather strip 10
  • the other zone is a second bottom wall portion 62 between the second side wall 9 and the first weather strip 10.
  • the rear wall 7 may also be divided into a first rear wall portion 71 and a second rear wall portion 72 respectively corresponding to the first bottom wall portion 61 and the second bottom wall portion 62.
  • Air inlets 11 are disposed on the first side wall 8 and the first rear wall portion 71, and external air may enter the machine compartment 2 from the air inlets 11.
  • the second bottom wall portion 62 is provided with an air outlet 12, and the air in the machine compartment 2 may flow out of the machine compartment 2 from the air outlet 12.
  • a negative pressure zone is formed in the machine compartment 2. Due to action of a pressure difference, the external air flows into the machine compartment 2 from the air inlets 11, successively flows through the condenser 4 and the compressor 3, and then flows out from the air outlet 12, to take part of heat in the machine compartment 2 away.
  • the distances between the air inlets 11 and the air outlet 12 are longer, and cold air can come into full contact with components in the machine compartment 2, to take more heat away.
  • hot air that flows out of the air outlet 12 can flow less to the air inlets 11, and a temperature of air that flows into the machine compartment 2 is lower, thereby providing a better cooling effect for the compressor 3; and the first weather strip 10 also blocks the hot air that flows out of the air outlet 12 from flowing to the air inlets 11 to some extent, and the temperature of the air that flows into the machine compartment 2 is lower.
  • a first air inlet 111 may be disposed on only the first side wall 8.
  • a second air inlet 112 may be disposed on only the first rear wall portion 71.
  • the first air inlet 111 may be disposed on the first side wall 8
  • the second air inlet 112 may be disposed on the first rear wall portion 71.
  • a larger quantity or a larger area of the air inlets 11 indicates a larger amount of air entering the machine compartment 2 and a better cooling effect provided for the compressor 3.
  • the air inlets 11 face the condenser 4.
  • the air entering the machine compartment 2 directly flows to the condenser 4, a path thereof is straight and short, and a loss of pressure is small, thereby accelerating air circulation, and facilitating cooling of the compressor 3.
  • the air outlet 12 is an elongated air outlet 12. In the left-right direction, one end of the air outlet extends to a position between the first weather strip 10 and the condenser 4, and the other end of the air outlet extends to a position between the compressor 3 and the second side wall 9.
  • Such a configuration ensures to a relatively large extent that the air outlet 12 has a wider distribution range, pressure distribution of the air in the machine compartment 2 is more uniform, and cold air and hot air are easier to mix uniformly and take heat away.
  • the air outlet 12 has a part located between the first weather strip 10 and the condenser 4 and a part located between the compressor 3 and the second side wall 9.
  • the air outlet 12 may alternatively be located only between the first weather strip 10 and the condenser 4, or between the compressor 3 and the second side wall 9.
  • the air outlet 12 is located between the front wall 13 and the bottom wall 6.
  • the air inlets 11 are located on the first side wall 8 and/or the first rear wall portion 71, while the air outlet 12 is located in the front of the second bottom wall portion 62, so that the distances between the air inlets 11 and the air outlet 12 are longer, and a better cooling effect is provided for the compressor 3.
  • Cold air has a tortuous flow path between the condenser 4 and the air outlet 12, and therefore can come into better contact with the components in the machine compartment 2, to take more heat away.
  • the air inlets 11 may be obtained by spacing the bottom wall 6 and the front wall 13, and a gap may be used as the air outlet 12.
  • the refrigeration device further includes a second weather strip 14.
  • the second weather strip 14 extends in the left-right direction, and is located behind the air outlet 12.
  • the second weather strip 14 may block the hot air that flows out of the air outlet 12 from flowing backward and flowing into the machine compartment 2 from the second air inlet 112, or from flowing out of the first side wall 8 and flowing into the machine compartment 2 from the first air inlet 111. That is to say, the second weather strip 14 may also improve the cooling efficiency of the compressor 3.
  • the second weather strip 14 is connected to a lower edge of the rear wall 7 and protrudes downward.
  • the second weather strip 14 may also be connected to the bottom wall 6.
  • the second weather strip 14 may extend from the first rear wall portion 71 to the second rear wall portion 72; or extend from the first bottom wall portion 61 to the second bottom wall portion 62.
  • the air inlet 11 is provided with a conical air duct 21, and the air duct 21 has an exterior size greater than an interior size.
  • the machine compartment 2 is divided into two relatively independent zones by the condenser 4, that is, a first zone 15 between the first side wall 8 and the condenser 4, and a second zone 16 between the condenser 4 and the second side wall 9.
  • the compressor 3 and the fan 5 are located in the second zone 16.
  • the compressor 3 and the fan 5 are larger in volume and occupy larger spaces in the machine compartment 2.
  • the machine compartment 2 is further provided with a water collection box 17 used for collecting condensed water or defrosting water, and the water collection box 17 is also located in the second zone 16.
  • the water collection box 17 is such disposed that the external air can flow into the first zone 15 smoothly, and then flow into the second zone 16, thereby facilitating air circulation.
  • the water collection box 17 is disposed on a top portion of the compressor 3, so that cooled air can come into contact with an outer surface of the compressor 3 more smoothly, to take more heat away.
  • the fan 5 is located between the condenser 4 and the compressor 3. With such a configuration, when the fan runs, a negative pressure zone is formed in the first zone 15. Especially, when large-volume components are located in the second zone 16, the external cold air can flow into the machine compartment 2 more smoothly, so that the compressor 3 has a better heat dispassion effect.
  • FIG. 7 shows a partial enlarged view of a cross-section at a position A in FIG. 1 ; and FIG. 8 and FIG. 9 respectively show partial enlarged views at a position B in FIG. 3 from different perspectives.
  • the refrigeration device 100 further includes an air intake structure 18, the air intake structure 18 includes an air duct support 19, and the first air inlet 111 is formed on the air duct support 19.
  • the air duct support 19 is integrally formed, a hole-shaped air duct 21 penetrating through the air duct support is disposed on the air duct support 19, and the air duct 21 may be used as one part of the first air inlet 111.
  • the air duct support 19 can improve plasticity of shapes of the air inlets 11, and the air inlets 11 may be designed and processed into a shape more conducive to air circulation.
  • the air duct 21 is conical, and has an exterior size less than an interior size.
  • the first side wall 8 is further provided with a through hole 20, and a position of the through hole 20 corresponds to a position of the air duct 21, so that air passages inside and outside the machine compartment 2 communicate with each other.
  • the refrigeration device 100 further includes a first clamping structure 22, and the first clamping structure 22 is used for clamping the air duct support 19 to the first side wall 8.
  • the air intake structure 18 is easy to be mounted onto the first side wall 8, so that the air duct 21 and the first side wall 8 fit better.
  • the air intake structure 18 may alternatively be located on the rear wall 7 to cooperate with the rear wall 7, to form the second air inlet 112.
  • the implementation process of this variant embodiment is the same as that of the previous embodiment, and achieves a technical effect equivalent to that of the previous embodiment, so the details will not be repeated herein.
  • the first air inlet 111 will be described as an example below, and the description of the first air inlet 111 also applies to the solution of the second air inlet 112.
  • a bottom portion of the first side wall 8 is provided with a flange facing the interior of the machine compartment 2, and the flange is provided with a clamping hole 221.
  • a slot facing the first side wall 8 is formed on the air duct support 19, and a first clamping buckle 222 is disposed in the slot. After the flange is inserted into the slot, at least one part of the first clamping buckle 222 is clamped in the clamping hole 221, thereby restricting movement of the air duct support 19 relative to the first side wall 8, to complete clamping of the air duct support 19 and the first side wall 8. That is to say, the first clamping structure 22 includes the above clamping hole 221 and first clamping buckle 222.
  • the refrigeration device further includes a cover plate 23, and the cover plate 23 is located outside the first air inlet 111, to prevent insects, mice, or other sundries from entering the machine compartment 2 from the air inlets 11.
  • the refrigeration device further includes a second clamping structure 24, and the second clamping structure 24 is used for clamping the cover plate 23 to the air duct support 19.
  • the first side wall 8 is mostly a sheet metal part, which, limited by the shape and material, is difficult to form a good clamping structure.
  • the clamping structure on the air duct support 19 can be provided with a larger degree of freedom and is easier to form, and the cover plate 23 can be easily mounted on and firmly clamped to the air duct support.
  • a clamping claw 241 is disposed on the cover plate 23, a second clamping buckle 242 that can cooperate with the clamping claw 241 is disposed on the air duct support 19, and the second clamping structure 24 includes the clamping claw 241 and the second clamping buckle 242.
  • the clamping claw 241 penetrates through the through hole 20 to cooperate with the second clamping buckle 242 to clamp the cover plate 23 to the air duct support 19. With such a configuration, the cover plate 23 is mounted conveniently and firmly.
  • the above embodiments are described with reference to a state of the refrigeration device 100 during normal use.
  • the front-rear direction is a depth direction of the refrigerator; and the left-right direction is a width direction of the refrigerator.
  • the front is a direction the same as a y direction, the rear is a direction opposite to the y direction, and the left-right direction may be an x direction or a direction opposite to the x direction.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)
EP22168833.6A 2021-04-26 2022-04-19 Dispositif de réfrigération Pending EP4083548A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110453233.7A CN115247923A (zh) 2021-04-26 2021-04-26 制冷器具

Publications (1)

Publication Number Publication Date
EP4083548A1 true EP4083548A1 (fr) 2022-11-02

Family

ID=81327424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22168833.6A Pending EP4083548A1 (fr) 2021-04-26 2022-04-19 Dispositif de réfrigération

Country Status (2)

Country Link
EP (1) EP4083548A1 (fr)
CN (1) CN115247923A (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2114200A (en) * 1934-03-01 1938-04-12 Gen Electric Refrigerating machine
JPH08189747A (ja) * 1995-01-13 1996-07-23 Matsushita Refrig Co Ltd 冷蔵庫
CN110375507A (zh) * 2018-04-13 2019-10-25 青岛海尔股份有限公司 从底部进行散热的冰箱

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2114200A (en) * 1934-03-01 1938-04-12 Gen Electric Refrigerating machine
JPH08189747A (ja) * 1995-01-13 1996-07-23 Matsushita Refrig Co Ltd 冷蔵庫
CN110375507A (zh) * 2018-04-13 2019-10-25 青岛海尔股份有限公司 从底部进行散热的冰箱

Also Published As

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