WO2006067735A1 - A cooling device - Google Patents

A cooling device Download PDF

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Publication number
WO2006067735A1
WO2006067735A1 PCT/IB2005/054325 IB2005054325W WO2006067735A1 WO 2006067735 A1 WO2006067735 A1 WO 2006067735A1 IB 2005054325 W IB2005054325 W IB 2005054325W WO 2006067735 A1 WO2006067735 A1 WO 2006067735A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
channel
cooling device
air
duct
Prior art date
Application number
PCT/IB2005/054325
Other languages
French (fr)
Inventor
Hakan Karatas
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2006067735A1 publication Critical patent/WO2006067735A1/en

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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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • F25D17/062—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 in household refrigerators
    • F25D17/065—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 in household refrigerators with compartments at different temperatures
    • 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
    • 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
    • F25D2317/062—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 along the inside of doors
    • 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
    • F25D2317/0671—Inlet 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
    • 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
    • F25D2317/0672—Outlet ducts

Definitions

  • the present invention relates to a cooling device the air distribution inside the freezing and/or cooling departments of which is improved.
  • cooling devices in refrigerators comprising cooling and freezing compartments, especially the freezing compartment is over loaded with food packs by the user and cold air transfer to the front from the back of the freezing compartment where the evaporator and the fan are positioned becomes insufficient.
  • cold air flowing through the air ducts inside the compartment walls is carried from the back of the cooling device to its front, and in the front, cold air is blown to the inside of the door and to the shelves from the door passage ducts.
  • the hot and humid ambient air results in condensation and frosting particularly in the cold air passage ducts especially when the cooling device door is open. This condensation and frosting sometimes goes all the way to the evaporator, reducing the yield of the cooling system and increasing energy consumption.
  • the cool air supply apparatus comprises air ducts which send the cool air flowing from the evaporator situated along the two sides at the back of the cooling or freezing rooms to inside the cold-storage room from the cold air guiding means, a second duct extending along one side of the wall, connected to the first duct, a third duct formed at the wall of the door and a connecting tube connecting the second duct to the third duct.
  • the aim of the present invention is the realization of a cooling device which can effectively and rapidly cool or freeze food and beverages by improving the distribution of cool air inside the freezing and/or cooling compartments.
  • Figure 2 - is the schematic view of a cooling device when its door is open.
  • Figure 3 - is the side view of a passage duct.
  • Figure 4 - is the A-A sectional view of a passage duct.
  • Figure 5 - is the schematic view of a channel port and a valve.
  • Figure 6 - is the schematic view of a closed cooling device door and a passage duct.
  • Figure 7 - is the schematic view of a passage duct in another embodiment of the present invention. [015] Elements shown in the figures are numbered as follows:
  • the cooling device (1) comprises a body (2), one or more compartments(3) into which food and beverages to be cooled and/or frozen are placed, a door (4) closing the compartment (3), an insulation wall (5) between the compartments (3) providing insulation, an evaporator (6) providing cooling by absorbing thermal energy from the surroundings, a fan (7) which helps blow the cold air generated around the evaporator (6) to the compartment (3), an evaporator chamber (8) inside which the evaporator (6) and the fan (7) are situated, an exit channel (10) which preferably passes through the insulation material at the body (2) ceiling, providing the transmittal of the cold air blown by the fan (7) in the evaporator chamber (8) towards the door (4) and having a channel port (9) formed by enlarging conically its portion extending to the outside of the body (2), a return channel (11) which preferably passes through the insulation wall (5) and having a channel port (109) formed by enlarging conically its portion extending to the outside of the body (2) providing the cold air reaching the door
  • the cooling device (1) comprises one or more passage ducts (12) which are situated on the door (4), forming a passageway between the body (2) and the door (4) by fitting in the channel ports (9, 109) when the door (4) is closed, providing the connection of the exit and/or return channels (10,11) with the door (4), allowing the flow of air between the body (2) and the door (4) and losing contact with the body (2) when the door is opened by moving together with the door (4).
  • the door (4) comprises a door channel (14) to which the passage duct (12) is attached, having a blower vent (13) extending into the door (4) through which the cold air is transmitted from the passage duct (12), a door channel (114) which sends the air to the passage duct (12) having a suction vent (15) which sucks in air, and one or more vent covers (16) in a perforated or grooved form which closes the orifices of the blower and the suction vents (13, 15) that extend into the door (4).
  • the vent cover (16) prevents the blower and the suction vents (13, 15) to be blocked by the over stacked food packs tilting over towards the door.
  • the passage duct (12) forms a leak-proof passageway between the body (2) and the door (4) by fitting in the channel ports (9, 109) when the door (4) is closed and enables the air flowing in the exit channel (10) to pass to the air blowing door channel (14), and the passing of air that flows in the air sucking door channel (114) into the return channel (11).
  • the passage duct (12) comprises a conical inlet cone (17) which fits in a leak-proof manner to the conical channel ports (9, 109) that are situated in the body (2) providing tangential contact when the door (4) is closed and a duct body (18) which is fixed to the ports of the door channels (14, 114) in the door (4).
  • the cooling device (1) comprises one or more valves (19) situated at the channel ports (9, 109) which allow passage of air from the body (2) to the door (4) when the door (4) is closed, and when the door (4) is opened prevents the entry and condensation of the ambient air in the exit and return channels (10, 11), a valve arm (20) helping to move the valve (19) and a spring (21) which pulls the valve (19) back providing the closing of the exit and return channels (10, 11).
  • the passage duct (12) comprises a pusher (22) preferably formed as a slit which attaches on the valve arm (20) allowing it to move and open the valve (19) when the door (4) is closed.
  • the duct body (18) is of a flexible build which exerts a pressure on the channel ports (9, 109) by being squeezed in between the door (4) and the body (2).
  • the flexible duct body (18) provides the inserting of the conical inlet cone (17) into the channel ports (9, 109) by being squeezed when the door (4) is closed, enhancing the leak-proof sealing.
  • the cold air reaches the evaporator chamber (8) by flowing through the suction vent (15) - door channel (114) - passage duct (12) - return channel (11) after sweeping the inside of the door (4) and the circulation goes on as long as the fan (8) operates.
  • the passage duct (12) moves away from the body (2) and the valves (19) close by the effect of the springs (21) closing the exit and return channels (10, 11).
  • blower vent (13) and the suction vent (15) are positioned on inner surface of the door (4), as far way from each other as possible, preferably in sections close to two corners that are symmetrical in respect to one diagonal of the door (4). Consequently the cold air is enabled to sweep a wide area between the blower and suction vents (13, 15).
  • cooling devices (1) of the present invention particularly in the freezing compartment (3), in cases when it is hard to transmit the cold air from the back to the front due to the over stacking of food packs, cold air circulation is provided in the front of the compartment (3) in proximity of the door (4) and the efficient cooling of stored food and beverages is achieved.

Abstract

The present invention relates to a cooling device (1) comprising one or more freezing/cooling compartments (3), which provides fast and efficient freezing or cooling of foodstuff and beverages stored particularly in the front of the compartment (3) by improving the air circulation within the compartment (3).

Description

Description A COOLING DEVICE
[001] The present invention relates to a cooling device the air distribution inside the freezing and/or cooling departments of which is improved.
[002] In cooling devices, in refrigerators comprising cooling and freezing compartments, especially the freezing compartment is over loaded with food packs by the user and cold air transfer to the front from the back of the freezing compartment where the evaporator and the fan are positioned becomes insufficient. To overcome this problem, cold air flowing through the air ducts inside the compartment walls is carried from the back of the cooling device to its front, and in the front, cold air is blown to the inside of the door and to the shelves from the door passage ducts. In the above mentioned embodiments, the hot and humid ambient air results in condensation and frosting particularly in the cold air passage ducts especially when the cooling device door is open. This condensation and frosting sometimes goes all the way to the evaporator, reducing the yield of the cooling system and increasing energy consumption.
[003] In the European Patent Application no. EP 1323993, a refrigerator is described where an insulation layer separates the fresh food compartment and the freezer compartment. A passageway is providing the refrigerated air to the front of the fresh food compartment and the refrigerated air passes from the case to the door. The refrigerated air flowing within the door is blown into the fresh food compartment via the openings in the inner part of the door.
[004] In the United States Patent no. US 5584191, a cool air supply apparatus for a refrigerator is described. The cool air supply apparatus comprises air ducts which send the cool air flowing from the evaporator situated along the two sides at the back of the cooling or freezing rooms to inside the cold-storage room from the cold air guiding means, a second duct extending along one side of the wall, connected to the first duct, a third duct formed at the wall of the door and a connecting tube connecting the second duct to the third duct.
[005] In the United States Patent no. US 5826437, cool air is blown to the fresh food compartment from all four sides in a refrigerator. There is a U shaped air duct which transverses horizontally from the side walls and the back wall for supplying air and a door duct installed inside the door. The air duct inside the walls of the fresh food compartment and the door duct are connected with a connecting duct.
[006] The aim of the present invention is the realization of a cooling device which can effectively and rapidly cool or freeze food and beverages by improving the distribution of cool air inside the freezing and/or cooling compartments.
[007] The cooling device realized in order to attain above mentioned aim of the present invention is shown in the attached figures where: [008] Figure 1 - is the schematic view of a cooling device.
[009] Figure 2 - is the schematic view of a cooling device when its door is open.
[010] Figure 3 - is the side view of a passage duct.
[011] Figure 4 - is the A-A sectional view of a passage duct.
[012] Figure 5 - is the schematic view of a channel port and a valve.
[013] Figure 6 - is the schematic view of a closed cooling device door and a passage duct.
[014] Figure 7 - is the schematic view of a passage duct in another embodiment of the present invention. [015] Elements shown in the figures are numbered as follows:
1. Cooling device
2. Body
3. Compartment
4. Door
5. Insulation wall
6. Evaporator
7. Fan
8. Evaporator chamber
9. 109 Channel port
10. Exit channel
11. Return channel
12. Passage duct
13. Blower vent
14. 114 Door channel
15. Suction vent
16. Vent cover
17. Inlet cone
18. Duct body
19. Valve
20. Valve arm
21. Spring
22. Pusher
[016] The cooling device (1) comprises a body (2), one or more compartments(3) into which food and beverages to be cooled and/or frozen are placed, a door (4) closing the compartment (3), an insulation wall (5) between the compartments (3) providing insulation, an evaporator (6) providing cooling by absorbing thermal energy from the surroundings, a fan (7) which helps blow the cold air generated around the evaporator (6) to the compartment (3), an evaporator chamber (8) inside which the evaporator (6) and the fan (7) are situated, an exit channel (10) which preferably passes through the insulation material at the body (2) ceiling, providing the transmittal of the cold air blown by the fan (7) in the evaporator chamber (8) towards the door (4) and having a channel port (9) formed by enlarging conically its portion extending to the outside of the body (2), a return channel (11) which preferably passes through the insulation wall (5) and having a channel port (109) formed by enlarging conically its portion extending to the outside of the body (2) providing the cold air reaching the door (4) to be transferred to the evaporator chamber (8).
[017] The cooling device (1) comprises one or more passage ducts (12) which are situated on the door (4), forming a passageway between the body (2) and the door (4) by fitting in the channel ports (9, 109) when the door (4) is closed, providing the connection of the exit and/or return channels (10,11) with the door (4), allowing the flow of air between the body (2) and the door (4) and losing contact with the body (2) when the door is opened by moving together with the door (4).
[018] The door (4) comprises a door channel (14) to which the passage duct (12) is attached, having a blower vent (13) extending into the door (4) through which the cold air is transmitted from the passage duct (12), a door channel (114) which sends the air to the passage duct (12) having a suction vent (15) which sucks in air, and one or more vent covers (16) in a perforated or grooved form which closes the orifices of the blower and the suction vents (13, 15) that extend into the door (4). The vent cover (16) prevents the blower and the suction vents (13, 15) to be blocked by the over stacked food packs tilting over towards the door.
[019] The passage duct (12) forms a leak-proof passageway between the body (2) and the door (4) by fitting in the channel ports (9, 109) when the door (4) is closed and enables the air flowing in the exit channel (10) to pass to the air blowing door channel (14), and the passing of air that flows in the air sucking door channel (114) into the return channel (11).
[020] The passage duct (12) comprises a conical inlet cone (17) which fits in a leak-proof manner to the conical channel ports (9, 109) that are situated in the body (2) providing tangential contact when the door (4) is closed and a duct body (18) which is fixed to the ports of the door channels (14, 114) in the door (4).
[021] In the preferred embodiment of the present invention, the cooling device (1) comprises one or more valves (19) situated at the channel ports (9, 109) which allow passage of air from the body (2) to the door (4) when the door (4) is closed, and when the door (4) is opened prevents the entry and condensation of the ambient air in the exit and return channels (10, 11), a valve arm (20) helping to move the valve (19) and a spring (21) which pulls the valve (19) back providing the closing of the exit and return channels (10, 11). [022] The passage duct (12) comprises a pusher (22) preferably formed as a slit which attaches on the valve arm (20) allowing it to move and open the valve (19) when the door (4) is closed.
[023] In another embodiment of the present invention, the duct body (18) is of a flexible build which exerts a pressure on the channel ports (9, 109) by being squeezed in between the door (4) and the body (2). Thus the flexible duct body (18) provides the inserting of the conical inlet cone (17) into the channel ports (9, 109) by being squeezed when the door (4) is closed, enhancing the leak-proof sealing.
[024] The cold air which is blown by the fan (7) from the evaporator chamber (8) when the fan (7) is operating, reaches the inside of the door (4) by flowing through the exit channel (10) - passage duct (12) - door channel (14) - blower vent (13) in the cooling device (1). The cold air reaches the evaporator chamber (8) by flowing through the suction vent (15) - door channel (114) - passage duct (12) - return channel (11) after sweeping the inside of the door (4) and the circulation goes on as long as the fan (8) operates. When the door is opened, the passage duct (12) moves away from the body (2) and the valves (19) close by the effect of the springs (21) closing the exit and return channels (10, 11). Thus the inlet of the ambient air into the exit and return channels (10, 11) and condensation and frost forming is prevented. The passage duct (12) pushes the valve arm (20) via the pusher (22) when the door (4) is closed. The valve arm (20) pushes open the valve (19) and flow of air is enabled between the exit and return channels (10, 11) and the door ducts (14, 114) in this way.
[025] The blower vent (13) and the suction vent (15) are positioned on inner surface of the door (4), as far way from each other as possible, preferably in sections close to two corners that are symmetrical in respect to one diagonal of the door (4). Consequently the cold air is enabled to sweep a wide area between the blower and suction vents (13, 15).
[026] In the cooling devices (1) of the present invention, particularly in the freezing compartment (3), in cases when it is hard to transmit the cold air from the back to the front due to the over stacking of food packs, cold air circulation is provided in the front of the compartment (3) in proximity of the door (4) and the efficient cooling of stored food and beverages is achieved.

Claims

Claims
[001] A cooling device (1) comprising a body
(2), one or more compartments(3) into which food and beverages to be cooled and/or frozen are stored, a door (4) closing the compartment (3), an insulation wall (5) between the compartments (3) providing insulation, an evaporator (6) which provides cooling by absorbing thermal energy from the surroundings, a fan (7) which helps blow the cold air generated around the evaporator (6) to the compartment
(3), an evaporator chamber (8) inside which the evaporator (6) and the fan (7) are situated, and characterized by an exit channel (10) providing the transfer of the cold air blown by the fan (7) in the evaporator chamber (8) towards the door (4) having a channel port (9) extending to the outside of the body (2), a return channel (11) having a channel port (109) at its portion extending to the outside of the body (2) providing the cold air reaching the door (4) to be transferred to the evaporator chamber (8), one or more passage ducts (12) situated on the door, forming a leak-proof passageway between the body (2) and the door (4) by fitting in the channel ports (9, 109) when the door (4) is closed, providing the connection of the exit and/or return channels (10,11) with the door (4), allowing the air flow between the body (2) and the door (4) and losing contact with the body (2) when the door is opened by moving together with the door (4).
[002] A cooling device (1 ) as in Claim 1, characterized by an exit channel (10) which passes through the insulation material at the body (2) ceiling, having a channel port (9) formed by enlarging conically its portion extending to the outside of the body (2), and a return channel (11) which passes through the insulation wall (5) having a channel port (109) formed by enlarging conically its portion extending to the outside of the body (2).
[003] A cooling device (1 ) as in Claim 2, characterized by a passage duct (12) comprising a conical inlet cone (17) which fits in a leak-proof manner to the channel ports (9, 109) providing tangential contact when the door (4) is closed.
[004] A cooling device (1) as in Claim 1, characterized by one or more valves (19) situated at the channel ports (9, 109) allowing the passage of air from the body (2) to the door (4) by opening when the door (4) is closed, and closing to prevent the entry and condensation of the ambient air in the exit and return channels (10, 11) when the door (4) is opened.
[005] A cooling device (1) as in Claim 4, characterized by a valve arm (20) helping to move the valve (19).
[006] A cooling device (1 ) as in Claim 5, characterized by a spring (21) which pulls back the valve (19) closing the exit and return channels (10, 11) when the door (4) is opened.
[007] A cooling device (1) as in Claim 5, characterized by a passage duct (12) comprising a pusher (22) which attaches on the valve arm (20) allowing it to move and open the valve (19) when the door (4) is closed.
[008] A cooling device (1) as in Claim 7, characterized by a passage duct (12) comprising a pusher (22) formed as a slit.
[009] A cooling device (1) as in any one of the above claims, characterized by a door
(4) comprising a door channel (14) having a blower vent (13) extending into the door (4) through which cold air is transmitted from the passage duct (12), and a door channel (114) which sends the air to the passage duct (12) having a suction vent (15) which sucks in air.
[010] A cooling device (1) as in Claim 9, characterized by a door (4) comprising one or more vent covers (16) which close the orifices of the blower and the suction vents (13, 15) extending into the door (4) in a way that lets the air to pass.
[011] A cooling device (1) as in Claim 9, characterized by a passage duct (12) comprising a duct body (18) which is fixed to the ports of the door channels (14, 114) in the door (4).
[012] A cooling device (1) as in Claim 11, characterized by a passage duct (12) comprising a duct body (18) which is of a flexible build that exerts a pressure on the channel ports (9, 109) by being squeezed in between the door (4) and the body (2) and provides the inserting of the conical inlet cone (17) into the channel ports (9, 109) by being squeezed when the door (4) is closed.
PCT/IB2005/054325 2004-12-22 2005-12-20 A cooling device WO2006067735A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2004/03553 2004-12-22
TR200403553 2004-12-22

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WO (1) WO2006067735A1 (en)

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EP1930671A1 (en) 2006-12-01 2008-06-11 Samsung Electronics Co., Ltd. Refrigerator
WO2010023301A1 (en) * 2008-09-01 2010-03-04 Arcelik Anonim Sirketi A cooling device
AU2009202747B2 (en) * 2008-08-21 2015-10-22 Sanyo Electric Co., Ltd. Low temperature showcase
EP3557164A1 (en) * 2018-04-20 2019-10-23 Lg Electronics Inc. Refrigerator
WO2022167590A2 (en) 2021-02-04 2022-08-11 Lowenco A/S A cold storage and a method of operating a cold storage
WO2022189486A1 (en) 2021-03-09 2022-09-15 Lowenco A/S A cold storage, a method of operating a cold storage, and a cooling system

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US20050252232A1 (en) * 2004-05-17 2005-11-17 Lg Electronics Inc. Refrigerator and airflow passage for ice making compartment of the same

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US5584191A (en) * 1994-01-10 1996-12-17 Goldstar Co., Ltd. Cool air supply apparatus of refrigerator
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