EP1828694B1 - A cooling device - Google Patents

A cooling device Download PDF

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Publication number
EP1828694B1
EP1828694B1 EP05826525A EP05826525A EP1828694B1 EP 1828694 B1 EP1828694 B1 EP 1828694B1 EP 05826525 A EP05826525 A EP 05826525A EP 05826525 A EP05826525 A EP 05826525A EP 1828694 B1 EP1828694 B1 EP 1828694B1
Authority
EP
European Patent Office
Prior art keywords
cabinet
valve
flap valve
discharge pipe
cooling 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.)
Not-in-force
Application number
EP05826525A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1828694A2 (en
Inventor
Alphan Arcelik Anonim Sirketi SAMDAN
Gorkem Arcelik Anonim Sirketi SUNER
Ahmet Arcelik Anonim Sirketi DINCER
Altan Arcelik Anonim Sirketi ALYANAK
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 AS filed Critical Arcelik AS
Publication of EP1828694A2 publication Critical patent/EP1828694A2/en
Application granted granted Critical
Publication of EP1828694B1 publication Critical patent/EP1828694B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/047—Pressure equalising devices
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections

Definitions

  • the present invention relates to a cooling device comprising a valve which provides the balancing of the pressure imbalanced during opening, closing of the door and discharging the water created especially during the defrost process.
  • Cooling device of the current state-of-the-art comprises a cooling cabinet and a door which is attached to the cooling cabinet, to be opened or closed by the help of a hinge, providing access to the cooling cabinet.
  • the cooling cabinet is insulated from the outer surroundings in a leakproof manner when the door is closed. Frosting occurs around the evaporator during the cooling process. This frost is melted by various defrost methods, the melted water is discharged with the help of a drain pipe, one end of which opens into the cooling cabinet and the other to the outside of the cabinet, that is to the ambient atmosphere.
  • the water discharged to outside of the cabinet is transferred to a collector unit situated preferably in the section of the cooling device where the compressor cabinet is positioned.
  • the discharge pipe discharging the water collected in the cooling cabinet is the only exit passage of the cabinet to the atmosphere.
  • a vacuum is formed inside the cabinet due to the opening and closing of the door or other causes, air is sucked into the cabinet from the end of the discharge pipe opening to the ambient atmosphere. If the amount of water in the discharge pipe or in the collecting unit where the end of the discharge pipe opens is more than enough, water and air is sucked into the cabinet until the cabinet pressure is in equilibrium with the atmospheric pressure.
  • the noise generated by the air and water mixture flowing through the discharge pipe can reach a level that is annoying to the user.
  • the discharge pipe being the only place that is open to the ambient atmosphere while the door of the cabinet is closed, will also result in temperature and pressure abnormalities in the cooling cabinet, in addition to all the above explained adversities.
  • the discharge pipe is made in a "U" shape so that some amount of water stays in the pipe - especially water from the defrost process - preventing the air which is comparably warmer than the cooling cabinet medium to flow into the cooling cabinet from the end of the discharge pipe that is open to atmospheric pressure, disrupting the temperature and pressure balance of the cabinet.
  • the entrapping of water in the "U" shaped discharge pipe prevents the flow of air into and out of the cabinet. Since the flow of air from the ambient atmosphere into the cabinet to eradicate the pressure imbalance is blocked by the water entrapped in the discharge pipe, as a result the pressure imbalance in the cabinet can not be adjusted and opening the cooling device door requires the exertion of a larger force.
  • the object of the present invention is to design a cooling device comprising a valve which prevents the temperature and pressure abnormalities inside the cooling cabinet and also provides the discharging of especially the defrost water.
  • the cooling device (1) of the present invention comprises one or more cooling cabinets (2) where items to be cooled are stored, a door (3) serving to close the cooling cabinet (2) and allowing the user to access the items stored inside the cooling cabinet (2), a discharge pipe (4) one end of which opens into the cooling cabinet (2) and the other end outside the cooling cabinet (2), a valve (5) positioned inside and/or over the dischargepipe (4), opening and/or closing the discharge pipe (4), allowing the flow of the ambient air into the cooling cabinet (2) thereby balancing the cabinet (2) interior pressure and at the same time providing the discharge of fluid collected in the cabinet (2), water resulting from defrost process for example, outside of the cabinet (2) ( Figure 1 ).
  • the valve (5) comprises, each moving independently in different directions, a first flap valve (6) opening and/or closing the discharge pipe (4), allowing the flow of the ambient air into the cabinet (2) via the discharge pipe (4) when opened, and a second flap valve (7) on which the first flap valve (6) is mounted, moving to open in the opposite direction of the opening direction of the first flap valve (6), providing the discharge of the fluid in the cabinet (2) out of the cabinet (2) via the discharge pipe (4) ( Figure 4 , Figure 8 and Figure 12 ).
  • a first and a second flap valve (6 and 7), one inserted into the other, is utilized in the valve (5).
  • the valve (5) comprises a hinge (100) providing the attachment of the second flap valve (7) on the inner wall of the discharge pipe (4), an opening (8) on the second flap valve (7) which the first flap valve (6) opens, closes, and a hinge (101) providing the attachment of the first flap valve (6) on the second flap valve (7) ( Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 ).
  • the hinges (100 and 101) which movably attach the second flap valve (7) to the wall of the discharge pipe (4) to be opened or closed, and movably attach the first flap valve (6) on the second flap valve (7) to be opened or closed, allows the first and second flap valves (6 and 7) to be opened or closed with a minimum amount of force exerted on them.
  • the second flap valve (7) opens towards the atmosphere in the direction of the gravitational force as a result of the weight of the water collected on it.
  • the second flap valve (7) is formed in conformity with the structure of the discharge pipe (4) ( Figure 6 , Figure 10 and Figure 14 ).
  • the first flap valve (6) opens towards the interior of the cabinet (2) in the direction of the air flow formed from high pressure side to low pressure when the cabinet (2) interior pressure is lower than atmospheric pressure ( Figure 5 , Figure 9 and Figure 13 ).
  • first flap valve (6) and the second flap valve (7) can move independently.
  • the second flap valve (7) can be opened when the first flap valve (6) is closed, and the first flap valve (6) can be opened when the second flap valve (7) is closed.
  • the valve (5) comprises a stopper (9) situated on the inner wall of the dischargepipe (4) preventing the second flap valve (7) mounted on the inner wall of the discharge pipe (4) to move in a direction from the atmosphere towards the inside of the cabinet (2) ( Figure 7 and Figure 11 ).
  • the stopper (9) avoids the second flap valve (7) from opening in the other direction, that is, towards the inside of the cabinet (2).
  • the valve (5) preferably positioned on the end of the discharge pipe (4) that opens to the atmosphere, prevents the flow of the air into the cabinet (2) from the open end of the discharge pipe (4) by closing the discharge pipe (4) entirely since it is in a closed position under normal conditions, i.e., when the cabinet (2) interior pressure is in equilibrium and when there is no fluid flowing in the discharge pipe (4) from the cabinet (2), when both of the first flap valve (6) and the second flap valve (7) are closed.
  • the unbalancing of the cabinet (2) interior temperature and the cabinet (2) interior pressure by the inflow of ambient air which is warmer than the cabinet (2) interior is prevented ( Figure 4 , Figure 8 and Figure 12 ).
  • the first flap valve (6) which is situated in the valve (5) that is normally in a closed position, opens without resisting to the inflow of atmospheric air that is higher in pressure compared to the cabinet (2) interior pressure and allows the inflow of air into the cabinet (2) when the cabinet (2) interior pressure drops below the atmospheric pressure due to the opening, closing of the cooling device (1) door (3) or for any other reason.
  • the air flows in through the end of the discharge pipe (4) opening to the ambient air into the discharge pipe (4), flowing through the gap opened by the first flap valve (6) and reaches inside the cabinet (2) from the end of the discharge pipe (4) extending into the cabinet (2) in this case.
  • the valve (5) is attached to the end of the discharge pipe (4) by snap-fitting method.
  • the valve (5) is produced of preferably rubber material and the first and second flap valves (6 and 7) open, close owing to the elastic feature of the material only, without the need to use any hinges.
  • the valve (5) is produced in one-piece, the opening, closing of the first and second flap valves (6 and 7) is accomplished by changing the thickness of the material on the sections of the valve (5) and the discharge pipe (4) where the first and second flap valves (6 and 7) will be attached, whereby these sections with changed material thickness act as hinges ( Figure 12 , Figure 13 and Figure 14 ).

Landscapes

  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP05826525A 2004-12-24 2005-12-24 A cooling device Not-in-force EP1828694B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200403614 2004-12-24
PCT/IB2005/054398 WO2006067767A2 (en) 2004-12-24 2005-12-24 A cooling device

Publications (2)

Publication Number Publication Date
EP1828694A2 EP1828694A2 (en) 2007-09-05
EP1828694B1 true EP1828694B1 (en) 2010-04-28

Family

ID=36577525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05826525A Not-in-force EP1828694B1 (en) 2004-12-24 2005-12-24 A cooling device

Country Status (7)

Country Link
US (1) US20100269531A1 (zh)
EP (1) EP1828694B1 (zh)
CN (1) CN100538230C (zh)
AT (1) ATE466243T1 (zh)
DE (1) DE602005020974D1 (zh)
ES (1) ES2342782T3 (zh)
WO (1) WO2006067767A2 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201206924Y (zh) 2008-04-29 2009-03-11 博西华电器（江苏）有限公司 冰箱
WO2011107884A2 (en) 2010-03-05 2011-09-09 Electrolux Home Products Corporation N.V. Refrigerator or freezer including a defrost apparatus
KR101793572B1 (ko) * 2011-01-17 2017-11-06 삼성전자주식회사 드레인 호스 어셈블리 및 이를 갖는 냉장고
KR20130036416A (ko) 2011-10-04 2013-04-12 엘지전자 주식회사 냉장고
CN102706074B (zh) * 2012-06-07 2014-08-13 湖北美的电冰箱有限公司 用于冷柜的排水管组件和具有该排水管组件的冷柜
EP2879551B1 (en) 2012-08-01 2016-12-28 Carrier Corporation Refrigerated sales cabinet
CN102927748B (zh) * 2012-11-26 2015-05-13 合肥美的电冰箱有限公司 用于冷柜的排水管组件及具有其的冷柜
KR101558220B1 (ko) 2013-11-19 2015-10-13 이상돌 착탈식 및 조립분해가 용이한 냉동/냉장용 드레인 에어커튼 소켓엘보
GB2530327A (en) * 2014-09-22 2016-03-23 42 Technology Ltd Heat transfer apparatus
KR101715804B1 (ko) * 2015-06-16 2017-03-13 동부대우전자 주식회사 냉장고의 제빙시스템 및 제빙방법
CN105928307B (zh) * 2016-04-27 2019-10-01 青岛海尔股份有限公司 冰箱
US11300349B2 (en) 2019-09-27 2022-04-12 Electrolux Home Products, Inc. Upright appliance drain jumper
US11732950B2 (en) 2021-04-26 2023-08-22 Electrolux Home Products, Inc. Pressure relief jumper drain for an appliance

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1040730A (en) * 1911-10-25 1912-10-08 American Creosoting Company Valve or cover for tanks.
US2161813A (en) * 1937-01-29 1939-06-13 John B Plerce Foundation Automatic air valve with swing check and back pressure control
US2700790A (en) * 1952-02-15 1955-02-01 Paul J Johnson Combined hinge and head bolt for compression tanks
US3696632A (en) * 1971-03-08 1972-10-10 Gen Motors Corp Defrost water drain trap
DE3127749A1 (de) * 1981-07-14 1983-02-03 Ley, Gerd, 5600 Wuppertal Druckausgleichseinrichtung fuer gefriergeraete
DE8915096U1 (de) * 1989-12-22 1990-02-15 Bosch-Siemens Hausgeräte GmbH, 8000 München Kühlgerät, insbesondere Haushalts-Gefrierschrank bzw. Gefriertruhe
US5499514A (en) * 1994-09-15 1996-03-19 Whirlpool Corporation Defrost water drain system for a refrigerator
JP2002536614A (ja) * 1999-02-12 2002-10-29 グツドウイン・インターナシヨナル・リミテツド 圧力変動防止装置が取り付けられた逆止め弁の弁板
BR0006442A (pt) * 2000-12-11 2002-08-20 Multibras Eletrodomesticos Sa Válvula quebra-váculo para gabinete refrigerado

Also Published As

Publication number Publication date
WO2006067767A3 (en) 2006-09-14
CN100538230C (zh) 2009-09-09
US20100269531A1 (en) 2010-10-28
DE602005020974D1 (de) 2010-06-10
EP1828694A2 (en) 2007-09-05
ES2342782T3 (es) 2010-07-14
CN101091094A (zh) 2007-12-19
WO2006067767A2 (en) 2006-06-29
ATE466243T1 (de) 2010-05-15

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