EP1700069A1 - Evaporating tray - Google Patents

Evaporating tray

Info

Publication number
EP1700069A1
EP1700069A1 EP03819244A EP03819244A EP1700069A1 EP 1700069 A1 EP1700069 A1 EP 1700069A1 EP 03819244 A EP03819244 A EP 03819244A EP 03819244 A EP03819244 A EP 03819244A EP 1700069 A1 EP1700069 A1 EP 1700069A1
Authority
EP
European Patent Office
Prior art keywords
middle chamber
water
evaporating tray
reservoir
evaporating
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.)
Granted
Application number
EP03819244A
Other languages
German (de)
French (fr)
Other versions
EP1700069B1 (en
Inventor
Aydin Hekimoglu
Mustafa ÖZBALCI
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.)
Vestel Beyaz Esya Sanayi ve Ticaret AS
Original Assignee
Vestel Beyaz Esya Sanayi ve Ticaret 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 Vestel Beyaz Esya Sanayi ve Ticaret AS filed Critical Vestel Beyaz Esya Sanayi ve Ticaret AS
Priority to SI200331843T priority Critical patent/SI1700069T1/en
Publication of EP1700069A1 publication Critical patent/EP1700069A1/en
Application granted granted Critical
Publication of EP1700069B1 publication Critical patent/EP1700069B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • F25D2321/141—Removal by evaporation
    • F25D2321/1411—Removal by evaporation using compressor heat
    • 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
    • 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
    • F25D2321/145—Collecting condense or defrost water; Removing condense or defrost water characterised by multiple collecting pans
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • This invention is related to an evaporating tray used in refrigerators.
  • evaporating trays are used to allow defrost water formed in refrigerators to be collected and evaporated.
  • Evaporating trays are placed at the rear bottom portion of the refrigerator. To increase evaporation rate of the defrost water, heat dissipated by the compressor acts on the evaporating tray. For this purpose, evaporating trays either are positioned above the compressor in contact with the top of it in a heat-conducting manner or mounted above the compressor with little space apart.
  • evaporating tray (1) consists of a middle chamber (2) and two side chambers (3) located on both sides of the middle chamber and depths of which are higher than the middle chamber. Due to the cambered base wall of the evaporating tray (1), defrost water coming to the evaporating tray (1) through a drain hose accumulate more in side chambers (3) than middle chamber (2). However, middle chamber (2) of the evaporating tray (1) heats up more than side chambers (3). Therefore, accumulation of water in side chambers (3) affects evaporation adversely. (FIG. 1)
  • Japan Patent No. JP 11- 211331 discloses an evaporating tray which is separated into two nested chambers, and in this evaporating tray defrost water is primarily stored in an inner chamber which absorbs heat more, an overflow of water is passed to an outer chamber. Since the inner chamber is in contact with the arched part of the compressor, evaporation rate in this chamber is higher relatively to that in the outer chamber. In contrast, evaporation rate in the outer chamber is significantly low due to the greater depth. Also, because middle chamber or side chambers to which drain hose is connected has large base area, water level in this chamber is low and a noise is heard during drain hose draw back water from the evaporating tray due to vacuum generated when refrigerator door is opened.
  • Object of the present invention is to increase evaporation yield of defrost water accumulated in an evaporating tray of refrigerators.
  • FIG. 1 is a top view of an evaporating tray disclosed in the prior art.
  • FIG. 2 is a top view of an evaporating tray of the present invention.
  • FIG. 3 shows mounting manner of the evaporating tray of the present invention onto the compressor.
  • Evaporating tray (4) of the invention consists of a middle chamber (8) and two side chambers located on both sides of the middle chamber (8) and depths of which are higher than the middle chamber (8).
  • Side chamber to which water drain hose (18) connected is divided transversely in two separate chambers.
  • One of these chambers is front reservoir (5) in which defrost water begins to accumulate and the other is rear reservoir (6).
  • Side chamber located on the other side of the middle chamber (8) is named as pool (7).
  • front reservoir wall (9) between the front reservoir (5) and the middle chamber (8) and by means of the front reservoir wall slot (14) herein water flow is provided from the front reservoir (5) to the middle chamber (8).
  • rear reservoir wall (10) between the rear reservoir (6) and the middle chamber (8) and by means of the rear reservoir wall slot (15) herein water flow is provided from the middle chamber (8) to the rear reservoir (6).
  • pool wall (11) between the pool (7) and the middle chamber (8) and by means of the pool wall slot (16) herein water flow is provided from the middle chamber (8) to the pool (7).
  • These protrusions (12) which are spaced apart and have a specified height ensure defrost water to move horizontally in the middle chamber (8) and therefore to contact with the middle chamber (8) for extended period of time. Defrost water flows along the duct (13) formed between these protrusions (12). Defrost water coming with the water drain hose (18) firstly begins to accumulate in the front reservoir (5).
  • protrusions (12) located in the middle chamber (8) of the evaporating tray (4) of the subject matter of the invention and the duct (13) formed between these protrusions (12) can be generated in different ways.
  • protrusions (12) are formed horizontally between the two side chambers. There is a specified distance between these protrusions (12) formed parallel to each other. Defrost water reached to the middle chamber (8) by flowing through the front reservoir wall slot (14) flows horizontally along the first protrusion that placed on the middle chamber (8), towards the p ool (7).
  • front reservoir (5) is utilized where the drain hose (18) begins to accumulate the defrost water. Since the base area of the front reservoir (5) which is formed by dividing one of the side chambers transversely in two portions is small, the level of the water is high. Thus, the noise generation because of the vacuum during the opening and closing of the door of the refrigerator (17) is prevented.
  • Use of the evaporating tray (4) of the invention in refrigerators provides both acceleration of the evaporation of the defrost water drained and elimination of the noise generated by the trial of vacuum formed during the opening and closing of the door of refrigerators to draw back water from the end of the water drain hose remaining in the evaporating tray.

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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Defrosting Systems (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

By means of the evaporating tray (4) of the invention, defrost water is circulated to provide maximum contact with the heat by the duct (13) which is formed on the chambered middle chamber (8), therefore water is transferred to the hottest regions and the evaporation efficiency is increased by preventing the accumulation with the small chambers (5) (6) instead of large volume chambers (2) (3).

Description

EVAPORATING TRAY
Technical Field
This invention is related to an evaporating tray used in refrigerators.
Background Art
In the state of the art, evaporating trays are used to allow defrost water formed in refrigerators to be collected and evaporated.
Evaporating trays are placed at the rear bottom portion of the refrigerator. To increase evaporation rate of the defrost water, heat dissipated by the compressor acts on the evaporating tray. For this purpose, evaporating trays either are positioned above the compressor in contact with the top of it in a heat-conducting manner or mounted above the compressor with little space apart.
In the prior art, to be able to make maximum use of heat released by the compressor, it is known that base of the evaporating t ray (1) i s made cambered due to the circular shape of the top portion of the compressor. Present evaporating tray (1) consists of a middle chamber (2) and two side chambers (3) located on both sides of the middle chamber and depths of which are higher than the middle chamber. Due to the cambered base wall of the evaporating tray (1), defrost water coming to the evaporating tray (1) through a drain hose accumulate more in side chambers (3) than middle chamber (2). However, middle chamber (2) of the evaporating tray (1) heats up more than side chambers (3). Therefore, accumulation of water in side chambers (3) affects evaporation adversely. (FIG. 1)
In the prior art, to solve the problem described above, solutions directed to the surface properties of the evaporating tray has been disclosed. Of these, Japan Patent No. JP 11- 211331 discloses an evaporating tray which is separated into two nested chambers, and in this evaporating tray defrost water is primarily stored in an inner chamber which absorbs heat more, an overflow of water is passed to an outer chamber. Since the inner chamber is in contact with the arched part of the compressor, evaporation rate in this chamber is higher relatively to that in the outer chamber. In contrast, evaporation rate in the outer chamber is significantly low due to the greater depth. Also, because middle chamber or side chambers to which drain hose is connected has large base area, water level in this chamber is low and a noise is heard during drain hose draw back water from the evaporating tray due to vacuum generated when refrigerator door is opened.
Object of the Invention
Object of the present invention is to increase evaporation yield of defrost water accumulated in an evaporating tray of refrigerators.
Another o bject of t he i nvention i s to p revent t he n oise that i s h eard w hen d rain h ose draws back water from the evaporating tray due to vacuum generated when refrigerator door is opened and closed.
Description of Drawings
FIG. 1 is a top view of an evaporating tray disclosed in the prior art.
FIG. 2 is a top view of an evaporating tray of the present invention.
FIG. 3 shows mounting manner of the evaporating tray of the present invention onto the compressor.
Reference numerals of parts in the figures and counterparts of these numerals are as follows: 1. Evaporating tray disclosed in the prior art 2. Middle chamber of the evaporating tray disclosed in the prior art 3. Side chambers of the evaporating tray disclosed in the prior art 4. Evaporating tray of the present invention 5. Front reservoir 6. Rear reservoir 7. Pool 8. Middle chamber 9. Front reservoir wall 10. Rear reservoir wall 11. Pool wall 12. Protrusion 13. Duct 14. Front reservoir wall slot 15. Rear reservoir wall slot 16. Pool wall slot 17. Refrigerator 18. Water drain hose 19. Compressor
Evaporating tray (4) of the invention consists of a middle chamber (8) and two side chambers located on both sides of the middle chamber (8) and depths of which are higher than the middle chamber (8). Side chamber to which water drain hose (18) connected is divided transversely in two separate chambers. One of these chambers is front reservoir (5) in which defrost water begins to accumulate and the other is rear reservoir (6). Side chamber located on the other side of the middle chamber (8) is named as pool (7).
There is front reservoir wall (9) between the front reservoir (5) and the middle chamber (8) and by means of the front reservoir wall slot (14) herein water flow is provided from the front reservoir (5) to the middle chamber (8). There is rear reservoir wall (10) between the rear reservoir (6) and the middle chamber (8) and by means of the rear reservoir wall slot (15) herein water flow is provided from the middle chamber (8) to the rear reservoir (6). There is pool wall (11) between the pool (7) and the middle chamber (8) and by means of the pool wall slot (16) herein water flow is provided from the middle chamber (8) to the pool (7).
There are horizontal protrusions (12) in the middle chamber (8) where the evaporating tray (4) is the hottest thus the evaporation rate is the highest to prevent vertical movement of the water coming from the middle chamber (8) through the front reservoir wall slot (14) from the front reservoir (5) towards the rear reservoir (6). These protrusions (12) which are spaced apart and have a specified height ensure defrost water to move horizontally in the middle chamber (8) and therefore to contact with the middle chamber (8) for extended period of time. Defrost water flows along the duct (13) formed between these protrusions (12). Defrost water coming with the water drain hose (18) firstly begins to accumulate in the front reservoir (5). When the amount of water increases in the front reservoir (5), accumulated water flows through the front reservoir wall slot (14) to the middle chamber (8). Water flowed to the middle chamber (8) flows along the duct (13) herein. Thus, the contact surface of the middle chamber (8) with the defrost water is enlarged. The water that is not evaporated yet flows through the pool wall slot (16) to the pool (7) on the one hand, and flows through the rear reservoir wall slot (15) to the rear reservoir (6) on the other hand.
The protrusions (12) located in the middle chamber (8) of the evaporating tray (4) of the subject matter of the invention and the duct (13) formed between these protrusions (12) can be generated in different ways. In a preferred embodiment of the invention, protrusions (12) are formed horizontally between the two side chambers. There is a specified distance between these protrusions (12) formed parallel to each other. Defrost water reached to the middle chamber (8) by flowing through the front reservoir wall slot (14) flows horizontally along the first protrusion that placed on the middle chamber (8), towards the p ool (7). D efrost water e nters i nto the d uct (13) p assing through t he gap between the pool wall (11) and the protrusion. Defrost water entered into the duct (13) cannot flow vertically because of the second protrusion but flows horizontally in the duct (13) towards the front (5) and the rear (6) reservoir. Defrost water flows vertically till the third protrusion by passing through the second gap formed in a suitable place. The third protrusion prevents defrost water to flow vertically but ensures to flow horizontally towards the pool (7). In this manner remaining amount of the defrost water that is not evaporated yet but flows progressively in a vertical direction on the surface of the middle chamber (8) accumulates in the rear reservoir (6) by passing through the rear reservoir wall slot (15) and in the pool (7) by passing through the pool wall slot (16). Flowing of the defrost water in the duct (13) formed with parallel protrusions (12) generated horizontally and dislocation gaps increases the contact surface with the middle chamber (8).
By means of the small volume chambers (5) (6) and the duct (13) in the middle chamber
(8) of the evaporating tray (4) of the invention instead of large volume chambers (2) (3) in the e vaporating tray ( 1 ) t hat i s d isclosed i n t he p rior a rt, the e vaporation e fficiency i s increased by preventing the accumulation of the water and increasing the contact surface of the water with the hotness coming from the compressor (19). Due to the vacuum occurred during the opening and the closing of the refrigerator (17) door, water drain hose (18) tries to draw back the water inside the evaporating tray. In the prior art, because of the low level of water due to the large base area of the middle chamber (2) or side chambers (3), a noise is heard at each opening and closing of the refrigerator.
In the evaporating tray (4) of the invention, to eliminate the noise generated because of the vacuum, front reservoir (5) is utilized where the drain hose (18) begins to accumulate the defrost water. Since the base area of the front reservoir (5) which is formed by dividing one of the side chambers transversely in two portions is small, the level of the water is high. Thus, the noise generation because of the vacuum during the opening and closing of the door of the refrigerator (17) is prevented.
Use of the evaporating tray (4) of the invention in refrigerators, provides both acceleration of the evaporation of the defrost water drained and elimination of the noise generated by the trial of vacuum formed during the opening and closing of the door of refrigerators to draw back water from the end of the water drain hose remaining in the evaporating tray.
The preferred evaporating tray above should not be considered as limiting the protection scope of the invention. In the view of the teachings disclosed with the invention, the modifications on this preferred evaporating tray should be evaluated in the scope of the invention.

Claims

1. An evaporating tray (4) consisting of a middle chamber (8) and two side chambers located on both sides of the middle chamber and depths of which are higher than the middle chamber characterized in that there are protrusions (12) located in the middle chamber (8) which are spaced apart and have a specified height and at least one duct (13) formed between these protrusions (12).
2. An evaporating tray (4) according to claim 1 further comprising protrusions (12) formed horizontally.
3. An evaporating tray (4) according to any preceding claims further comprising protrusions (12) formed vertically.
4. An evaporating tray (4) according to any preceding claims further comprising a side chamber to which the water drain hose (18) is connected and consisting of a front reservoir (5) where the defrost water coming from said water drain hose (18) discharges and a rear reservoir (6) where the water passing through the duct (13) in the middle chamber (8) accumulates.
5. An evaporating tray (4) according to any preceding claims further comprising a front reservoir wall (9) which separates front reservoir (5) from the middle chamber (8) and a front reservoir wall slot (14) which allows passage of the defrost water accumulated in the front reservoir (5) to the middle chamber (8).
6. An evaporating tray (4) according to any preceding claims further comprising a rear reservoir wall (10) which separates rear reservoir (6) from the middle chamber (8) and a rear reservoir wall slot (15) which allows passage of the water coming from the duct (13) in the middle chamber (8) to the rear reservoir (6).
7. An evaporating tray (4) according to any preceding claims further comprising a pool wall (1 1 ) which separates the pool (7) from the middle chamber (8) and a pool wall slot (16) which allows passage of the water coming from the duct (13) in the middle chamber (8) to the pool (11 ).
EP03819244A 2003-12-31 2003-12-31 Refrigerator including an evaporator tray Expired - Lifetime EP1700069B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200331843T SI1700069T1 (en) 2003-12-31 2003-12-31 Refrigerator including an evaporator tray

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2003/000109 WO2005064247A1 (en) 2003-12-31 2003-12-31 Evaporating tray

Publications (2)

Publication Number Publication Date
EP1700069A1 true EP1700069A1 (en) 2006-09-13
EP1700069B1 EP1700069B1 (en) 2010-06-16

Family

ID=34738132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03819244A Expired - Lifetime EP1700069B1 (en) 2003-12-31 2003-12-31 Refrigerator including an evaporator tray

Country Status (9)

Country Link
EP (1) EP1700069B1 (en)
AT (1) ATE471492T1 (en)
AU (1) AU2003304664A1 (en)
DE (1) DE60333046D1 (en)
DK (1) DK1700069T3 (en)
ES (1) ES2346871T3 (en)
PT (1) PT1700069E (en)
SI (1) SI1700069T1 (en)
WO (1) WO2005064247A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20100226A1 (en) * 2010-04-13 2011-10-14 Rivacold S R L DEVICE FOR CONDENSATE EVAPORATION PRODUCED BY A REFRIGERATOR SYSTEM
LT6241B (en) 2014-06-03 2016-01-25 Ab "Snaigė" Refrigerator
CN104101163A (en) * 2014-06-24 2014-10-15 滁州富达机械电子有限公司 Water cooling machine with compressor water pan

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630457A (en) * 1962-04-12
JPS61105083A (en) * 1984-10-26 1986-05-23 株式会社日立製作所 Refrigerator
US4776182A (en) * 1985-12-04 1988-10-11 Gidseg Edward D Circulating air refrigerator and power module for same
JPH03177775A (en) * 1989-12-06 1991-08-01 Toshiba Corp Evaporating device of water produced by defrosting of refrigerator
JPH0469181A (en) * 1990-07-06 1992-03-04 Hitachi Ltd Electrostatic attraction plate
JPH07294101A (en) * 1994-04-20 1995-11-10 Fujitsu General Ltd Defrosting water processing apparatus for electric refrigerator
JP4008085B2 (en) 1998-01-30 2007-11-14 松下冷機株式会社 Evaporating dish in refrigerator
BR9802115A (en) * 1998-05-19 2000-03-08 Brasilerira De Compressores S Evaporation tray.
IT251755Y1 (en) * 2000-10-18 2004-01-20 Zanussi Elettromecc REFRIGERATOR COMPRESSOR WITH EVAPORATION TANK

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005064247A1 *

Also Published As

Publication number Publication date
EP1700069B1 (en) 2010-06-16
DE60333046D1 (en) 2010-07-29
SI1700069T1 (en) 2010-10-29
DK1700069T3 (en) 2010-10-18
ES2346871T3 (en) 2010-10-21
WO2005064247A1 (en) 2005-07-14
ATE471492T1 (en) 2010-07-15
AU2003304664A1 (en) 2005-07-21
PT1700069E (en) 2010-08-24

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