EP2350544B1 - A cooling device comprising an evaporation tray - Google Patents

A cooling device comprising an evaporation tray Download PDF

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Publication number
EP2350544B1
EP2350544B1 EP09752351A EP09752351A EP2350544B1 EP 2350544 B1 EP2350544 B1 EP 2350544B1 EP 09752351 A EP09752351 A EP 09752351A EP 09752351 A EP09752351 A EP 09752351A EP 2350544 B1 EP2350544 B1 EP 2350544B1
Authority
EP
European Patent Office
Prior art keywords
compressor
evaporation tray
cover
casing
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
EP09752351A
Other languages
German (de)
French (fr)
Other versions
EP2350544A2 (en
Inventor
Oguz Cetinturk
Gozde Gizlice
A. Onur Moza
Fatih M. Ozturk
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
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Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP2350544A2 publication Critical patent/EP2350544A2/en
Application granted granted Critical
Publication of EP2350544B1 publication Critical patent/EP2350544B1/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
    • F25D23/00—General constructional features
    • 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
    • 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
    • F25D2321/144—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans
    • F25D2321/1442—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans outside a refrigerator

Definitions

  • the present invention relates to a cooling device comprising an evaporation tray which enables evaporation of the defrost water.
  • the defrost process is performed in order to deice the frost formed on the refrigeration system.
  • a container named as the evaporation tray is used wherein the water is collected and evaporated.
  • the evaporation tray is placed on the compressor and the heat received from the compressor evaporates the water therein.
  • the evaporation tray is produced such that it will be properly seated on the upper side of the compressor and to take the shape of the compressor body so that noise is not generated due to vibrations of the compressor; and when the compressor type is changed, the evaporation tray has to be changed also. Designing the evaporation tray separately for different types of compressors causes an increase in the costs.
  • the aim of the present invention is the realization of a cooling device that comprises a single type of evaporation tray suitable to be utilized with different types of compressors.
  • the cooling device comprises a compressor that maintains a refrigeration cycle, a casing situated preferably at a rear and bottom side of a body wherein the compressor is placed together with components such as condenser and fan, a cover that covers the casing and prevents access to the components therein, and an evaporation tray, disposed inside the casing for collecting and evaporating water from the defrost process.
  • the evaporation tray is integrated on the surface of the cover facing towards the inside of the casing such that it is just behind the compressor when the cover is closed.
  • the evaporation tray integrated to the cover is configured as a flat box that protrudes from the cover toward the compressor and has a maximum depth as much as the distance between the cover and the compressor.
  • the evaporation tray comprises a wide heat transfer surface that faces the compressor body and is parallel to the plane of the cover.
  • the evaporation tray furthermore comprises a water inlet orifice arranged on its upper surface whereto a defrost water discharge hose is connected and an opening for the exit of the evaporated water.
  • the evaporation tray is produced as a piece separate from the cover and is mounted on the cover thereafter.
  • the evaporation tray is produced as a single piece together with the cover.
  • Figure 1 - is the partial perspective view of a cooling device.
  • Figure 2 - is the top schematic view of the casing containing the components such as the compressor, condenser and the fan in a cooling device.
  • Figure 3 - is the perspective view of a cover and an evaporation tray integrated to the cover.
  • Figure 4 - is the perspective view of a cover, an evaporation tray integrated to the cover and the compressor disposed in front of the evaporation tray.
  • the cooling device (1) for example the refrigerator or the freezer, comprises a body, a compressor (2) for maintaining the refrigeration cycle, a condenser (3) for condensing the refrigerant, a casing (4) wherein the compressor (2) and the condenser (3) are disposed, a fan (5) situated inside the casing (4) for cooling the condenser (3) and the compressor (2) by blowing air thereon, a cover (6) that covers the casing (4) and prevents access to the compressor (2) and the other components in the casing (4), an evaporation tray (7) situated inside the casing (4) for collecting the water during the defrost process to be evaporated thereafter and a discharge hose (8) that extends from the body into the casing (4) for transferring the defrost water into the evaporation tray (7).
  • the cooling device (1) of the present invention comprises an evaporation tray (7) which is integrated on the surface of the cover (6) facing inside the casing (4) such that it is aligned with the compressor (2), and protrudes from the cover (6) towards the compressor (2) ( Figures 2 and 4 ).
  • the evaporation tray (7) is integrated with the cover (6) such that the said evaporation tray (7) remains between the cover (6) and the compressor (2) and the heat disseminating from the compressor (2) body is effectively utilized since the evaporation tray (7) is at a position close to the compressor (2).
  • the ice on the evaporator dissolves at the end of the defrost process and water received by the discharge hose (8) is collected in the evaporation tray (7) integrated to the cover (6).
  • Water in the evaporation tray (7) which protrudes from the cover (6) to near the compressor (2), is evaporated by utilizing the heat of the compressor (2) when the cover (6) is closed.
  • the evaporation tray (7) is shaped like a protrusion on the rear surface of the cover (6) and occupies a minimum amount of space inside the casing (4) thereby the interior volume of the casing (4) is used efficiently.
  • the evaporation tray (7) comprises a heat transfer surface (9) which faces the compressor (2) body and is parallel to the plane of the cover (6).
  • the heat transfer surface (9) is disposed behind the compressor (2) such that a vertical wall is formed when the cover (6) is closed.
  • the evaporation tray (7) because of the limited volume in the casing (4), is configured as a flat box, having a depth (W) as much as the distance between the cover (6) and the compressor (2) at the maximum and comprises a heat transfer surface (9) having a wide area ( Figure 2 ).
  • the evaporation tray (7) furthermore comprises a water inlet orifice (10) arranged on its upper surface whereto the discharge hose (8) is connected and an opening (11) for the exit of the evaporated water.
  • the defrost water coming by means of the discharge hose (8) is collected in the evaporation tray (7) and the water evaporating due to the heat of the compressor (2) is expelled from the opening (11) ( Figure 3 ).
  • the evaporation tray (7) is produced as a piece separate from the cover (6) and mounted on the cover (6) thereafter.
  • the evaporation tray (7) is produced as a single piece together with the cover (6).
  • the evaporation tray (7) is provided in the flow path of the air aspirated by the fan (5) into the casing (4) from holes (D) on the cover (6) and discharged out after passing over the condenser (3) and the compressor (2), the heat of the condenser (3) and the compressor (2) is carried by the air and affects on the evaporation tray (7) and thereby the water can evaporate more quickly ( Figure 2 ).
  • the cooling device (1) of the present invention since the dimensions and shape of the evaporation tray (7) do not depend on the compressor (2), a single type evaporation tray (7) can be used even if the type of the compressor (2) changes, moreover when the evaporation tray (7) has to be taken outside, dismounting only the cover (6) is sufficient and the evaporation tray (7) can be taken out of the cooling device (1) body together with the dismounted cover (6).

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)
  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

The present invention relates to a cooling device (1) comprising a body, a compressor (2) for maintaining the refrigeration cycle, a condenser (3) for condensing the refrigerant, a casing (4) wherein the compressor (2) and the condenser (3) are disposed, a fan (5) situated inside the casing (4) for cooling the condenser (3) and the compressor (2) by blowing air thereon, a cover (6), situated under the rear wall of the body, that covers the casing (4) and prevents access to the compressor (2) and the other components in the casing (4), an evaporation tray (7) situated inside the casing (4) for collecting the water during the defrost process to be evaporated thereafter and a discharge hose (8) that extends from the body into the casing (4) for transferring the defrost water into the evaporation tray (7).

Description

  • The present invention relates to a cooling device comprising an evaporation tray which enables evaporation of the defrost water.
  • In cooling devices, for example refrigerators or freezers, the defrost process is performed in order to deice the frost formed on the refrigeration system. In the defrost process, a container named as the evaporation tray is used wherein the water is collected and evaporated. In the known embodiments, the evaporation tray is placed on the compressor and the heat received from the compressor evaporates the water therein. The evaporation tray is produced such that it will be properly seated on the upper side of the compressor and to take the shape of the compressor body so that noise is not generated due to vibrations of the compressor; and when the compressor type is changed, the evaporation tray has to be changed also. Designing the evaporation tray separately for different types of compressors causes an increase in the costs.
  • In the Korean patent document no KR19990012724 , in a refrigerator a water collection tray is explained that stores the defrost water and which is integrated to the stand in order to utilize the inner volume more.
  • In the United States of America patent application no US2007051122 , a housing is provided on the compressor of a refrigeration device and the evaporation tray is mounted on this housing. Document JP11083285 discloses an evaporator tray according to the preamble of claim 1.
  • The aim of the present invention is the realization of a cooling device that comprises a single type of evaporation tray suitable to be utilized with different types of compressors.
  • The cooling device realized in order to attain the aim of the present invention is explained in the claims.
  • The cooling device comprises a compressor that maintains a refrigeration cycle, a casing situated preferably at a rear and bottom side of a body wherein the compressor is placed together with components such as condenser and fan, a cover that covers the casing and prevents access to the components therein, and an evaporation tray, disposed inside the casing for collecting and evaporating water from the defrost process. The evaporation tray is integrated on the surface of the cover facing towards the inside of the casing such that it is just behind the compressor when the cover is closed.
  • The evaporation tray integrated to the cover, is configured as a flat box that protrudes from the cover toward the compressor and has a maximum depth as much as the distance between the cover and the compressor.
  • The evaporation tray comprises a wide heat transfer surface that faces the compressor body and is parallel to the plane of the cover.
  • The evaporation tray furthermore comprises a water inlet orifice arranged on its upper surface whereto a defrost water discharge hose is connected and an opening for the exit of the evaporated water.
  • In an embodiment of the present invention, the evaporation tray is produced as a piece separate from the cover and is mounted on the cover thereafter.
  • In another embodiment of the present invention, the evaporation tray is produced as a single piece together with the cover.
  • The evaporation tray is provided in a flow path of the air aspirated into the casing by the fan from holes on the cover and discharged out after passing over the condenser and the compressor, the heat of the condenser and the compressor carried by the air affects on the evaporation tray and thereby the water can evaporate more quickly.
  • A cooling device realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
  • Figure 1 - is the partial perspective view of a cooling device.
  • Figure 2 - is the top schematic view of the casing containing the components such as the compressor, condenser and the fan in a cooling device.
  • Figure 3 - is the perspective view of a cover and an evaporation tray integrated to the cover.
  • Figure 4 - is the perspective view of a cover, an evaporation tray integrated to the cover and the compressor disposed in front of the evaporation tray.
  • The elements illustrated in the figures are numbered as follows:
    1. 1. Cooling device
    2. 2. Compressor
    3. 3. Condenser
    4. 4. Casing
    5. 5. Fan
    6. 6. Cover
    7. 7. Evaporation tray
    8. 8. Discharge hose
    9. 9. Heat transfer surface
    10. 10. Water inlet orifice
    11. 11. Opening
  • The cooling device (1), for example the refrigerator or the freezer, comprises a body, a compressor (2) for maintaining the refrigeration cycle, a condenser (3) for condensing the refrigerant, a casing (4) wherein the compressor (2) and the condenser (3) are disposed, a fan (5) situated inside the casing (4) for cooling the condenser (3) and the compressor (2) by blowing air thereon, a cover (6) that covers the casing (4) and prevents access to the compressor (2) and the other components in the casing (4), an evaporation tray (7) situated inside the casing (4) for collecting the water during the defrost process to be evaporated thereafter and a discharge hose (8) that extends from the body into the casing (4) for transferring the defrost water into the evaporation tray (7).
  • The cooling device (1) of the present invention comprises an evaporation tray (7) which is integrated on the surface of the cover (6) facing inside the casing (4) such that it is aligned with the compressor (2), and protrudes from the cover (6) towards the compressor (2) (Figures 2 and 4).
  • The evaporation tray (7) is integrated with the cover (6) such that the said evaporation tray (7) remains between the cover (6) and the compressor (2) and the heat disseminating from the compressor (2) body is effectively utilized since the evaporation tray (7) is at a position close to the compressor (2).
  • In the cooling device (1) of the present invention, the ice on the evaporator dissolves at the end of the defrost process and water received by the discharge hose (8) is collected in the evaporation tray (7) integrated to the cover (6). Water in the evaporation tray (7), which protrudes from the cover (6) to near the compressor (2), is evaporated by utilizing the heat of the compressor (2) when the cover (6) is closed. The evaporation tray (7) is shaped like a protrusion on the rear surface of the cover (6) and occupies a minimum amount of space inside the casing (4) thereby the interior volume of the casing (4) is used efficiently.
  • The evaporation tray (7) comprises a heat transfer surface (9) which faces the compressor (2) body and is parallel to the plane of the cover (6). The heat transfer surface (9) is disposed behind the compressor (2) such that a vertical wall is formed when the cover (6) is closed.
  • The evaporation tray (7), because of the limited volume in the casing (4), is configured as a flat box, having a depth (W) as much as the distance between the cover (6) and the compressor (2) at the maximum and comprises a heat transfer surface (9) having a wide area (Figure 2).
  • The evaporation tray (7) furthermore comprises a water inlet orifice (10) arranged on its upper surface whereto the discharge hose (8) is connected and an opening (11) for the exit of the evaporated water. The defrost water coming by means of the discharge hose (8) is collected in the evaporation tray (7) and the water evaporating due to the heat of the compressor (2) is expelled from the opening (11) (Figure 3).
  • In an embodiment of the present invention, the evaporation tray (7) is produced as a piece separate from the cover (6) and mounted on the cover (6) thereafter.
  • In another embodiment of the present invention, the evaporation tray (7) is produced as a single piece together with the cover (6).
  • The evaporation tray (7) is provided in the flow path of the air aspirated by the fan (5) into the casing (4) from holes (D) on the cover (6) and discharged out after passing over the condenser (3) and the compressor (2), the heat of the condenser (3) and the compressor (2) is carried by the air and affects on the evaporation tray (7) and thereby the water can evaporate more quickly (Figure 2).
  • In the cooling device (1) of the present invention, since the dimensions and shape of the evaporation tray (7) do not depend on the compressor (2), a single type evaporation tray (7) can be used even if the type of the compressor (2) changes, moreover when the evaporation tray (7) has to be taken outside, dismounting only the cover (6) is sufficient and the evaporation tray (7) can be taken out of the cooling device (1) body together with the dismounted cover (6).
  • The present invention is not limited to the embodiments disclosed above and a skilled person in the art can easily introduce different embodiments, within the scope of the protection disclosed by the claims of the present invention.

Claims (7)

  1. A cooling device (1) comprising a compressor (2) for maintaining a refrigeration cycle, a casing (4) wherein the compressor (2) is disposed, a cover (6) that covers the casing (4) and prevents access to the compressor (2) and other components in the casing (4), an evaporation tray (7) situated inside the casing (4) for collecting
    water during a defrost process to be evaporated thereafter and a discharge hose (8) for transferring the defrost water into the evaporation tray (7) and characterized by the evaporation tray (7) which is integrated on the surface of the cover (6) facing towards the inside of the casing (4) such that said evaporation tray (7) is aligned towards the inside of with the compressor (2) and protrudes from the cover (6) towards the compressor (2), wherein the said evaporation tray (7) remains between the cover (6) and the compressor (2).
  2. A cooling device (1) as in Claim 1, characterized in that the evaporation tray (7) comprises a heat transfer surface (9) facing towards the compressor (2) body and being parallel to the plane of the cover (6).
  3. A cooling device (1) as in any one of the above Claims, characterized in that the evaporation tray (7) is configured as a flat box, having a maximum depth (W) as much as the distance between the cover (6) and the compressor (2).
  4. A cooling device (1) as in any one of the above Claims, characterized in that the evaporation tray (7) comprises: a water inlet orifice (10) arranged on its upper surface whereto the discharge hose (8) is connected, and an opening (11) for the exit of the evaporated water.
  5. A cooling device (1) as in any one of the above Claims, characterized in that the evaporation tray (7) is produced as a piece separate from the cover (6) and mounted on the cover (6) thereafter.
  6. A cooling device (1) as in any one of the Claims 1 to 4, characterized in that the evaporation tray (7) is produced as a single piece together with the cover (6).
  7. A cooling device (1) as in any one of the above Claims, characterized by a condenser (3) for condensing the refrigerant, a fan (5) for cooling the condenser (3) and the compressor (2) by blowing air thereon and an evaporation tray (7) which is provided in the flow path of the air aspirated by the fan (5) into the casing (4) from holes (D) on the cover (6) and discharged out after passing over the condenser (3) and the compressor (2), disposed in the casing (4).
EP09752351A 2008-11-12 2009-11-12 A cooling device comprising an evaporation tray Not-in-force EP2350544B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200808609 2008-11-12
PCT/EP2009/065016 WO2010055076A2 (en) 2008-11-12 2009-11-12 A cooling device comprising an evaporation tray

Publications (2)

Publication Number Publication Date
EP2350544A2 EP2350544A2 (en) 2011-08-03
EP2350544B1 true EP2350544B1 (en) 2012-07-11

Family

ID=42170456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09752351A Not-in-force EP2350544B1 (en) 2008-11-12 2009-11-12 A cooling device comprising an evaporation tray

Country Status (3)

Country Link
EP (1) EP2350544B1 (en)
ES (1) ES2390909T3 (en)
WO (1) WO2010055076A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016050294A1 (en) 2014-10-01 2016-04-07 Arcelik Anonim Sirketi Refrigeration appliance having a fan assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490991A (en) * 1983-12-29 1985-01-01 General Electric Company High-side refrigeration system assembly adapted to be mounted in a refrigerator machinery compartment
JPS6199079A (en) * 1984-10-19 1986-05-17 株式会社日立製作所 Refrigerator
JPH1183285A (en) * 1997-09-01 1999-03-26 Toshiba Corp Refrigerator

Also Published As

Publication number Publication date
ES2390909T3 (en) 2012-11-19
WO2010055076A2 (en) 2010-05-20
WO2010055076A3 (en) 2010-08-19
EP2350544A2 (en) 2011-08-03

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