EP0866289A2 - A heat-exchanger such as a condenser and/or evaporator for refrigerating apparatus - Google Patents
A heat-exchanger such as a condenser and/or evaporator for refrigerating apparatus Download PDFInfo
- Publication number
- EP0866289A2 EP0866289A2 EP97203453A EP97203453A EP0866289A2 EP 0866289 A2 EP0866289 A2 EP 0866289A2 EP 97203453 A EP97203453 A EP 97203453A EP 97203453 A EP97203453 A EP 97203453A EP 0866289 A2 EP0866289 A2 EP 0866289A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat
- coil
- heat exchanger
- exchanger
- evaporator
- 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.)
- Withdrawn
Links
Images
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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/005—Devices using other cold materials; Devices using cold-storage bodies combined with heat exchangers
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/046—Condensers with refrigerant heat exchange tubes positioned inside or around a vessel containing water or pcm to cool the refrigerant gas
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
Definitions
- the present invention relates to a heat-exchanger such as an evaporator and/or a condenser for refrigerating apparatus, of the type comprising a coil for a refrigerant fluid.
- the present invention addresses the problem of providing an exchanger which improves the performance of the cycle and, at the same time, is structurally simple.
- a heat exchanger of the type specified which is characterized in that it comprises a heat accumulator arranged for exchanging heat with the coil.
- a heat exchanger which, in the embodiment shown, is an evaporator for refrigerating apparatus, such as a refrigerator, a freezer, a combination of the two, or the like, is generally indicated 1.
- the heat exchanger 1 comprises a coil 2 through which a refrigerant fluid is intended to flow, and a heat accumulator 3 having a high heat capacity, arranged for exchanging heat with the coil 2.
- the coil 2 is formed by a metal pipe 4 with end portions both indicated 5.
- the heat accumulator 3 comprises a tank 6 formed by two metal sheets and, more precisely, by a flat sheet 7 and a substantially tray-shaped sheet 8 formed by drawing.
- the sheets 7 and 8 are welded together along respective peripheral edges 9 and 10, so as to define a chamber 13 between respective facing inner faces 11 and 12.
- the heat accumulator 3 also comprises a substance 14 having a high heat capacity, disposed in the chamber 13.
- the substance 14 is a mixture of water and alcohol.
- the coil 2 is placed inside the tank 6 and is fixed thereto by fixing means 15. In particular, the coil 2 is in contact with the inner face 11 of the flat sheet 7.
- the fixing means 15 are advantageously constituted by two wall ducts, both indicated 16, which are formed in the tank 6 and through each of which a respective end portion 5 of the coil 2 extends.
- Each wall duct 16 comprises a collar 17 formed by opposed portions of the peripheral edges of the sheet and, more precisely, by a flat portion 18 of the peripheral edge 9 of the sheet 7 and by a U-shaped portion 19 of the peripheral edge 10 of the sheet 8, deformed by drawing.
- the portions 18 and 19 are clamped tightly onto the end portions 5 so as to hold them firmly and consequently to hold the coil firmly inside the tank.
- Weld material 30 is preferably provided between the portions 18 and 19, for example, by braze welding to ensure that the wall duct is leaktight.
- the main advantage of the heat-exchanger according to the present invention lies in the fact that it improves the performance of the cycle.
- the heat exchanger according to the invention is of extremely simple construction, which is no small advantage for an item which has to be produced on a large or very large scale.
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)
- Sorption Type Refrigeration Machines (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims (7)
- A heat exchanger (1) such as an evaporator and/or a condenser for refrigerating apparatus, of the type comprising a coil (2) for a refrigerant fluid, characterized in that it comprises a heat accumulator (3) arranged for exchanging heat with the coil (2).
- A heat exchanger (1) according to Claim 1, characterized in that the heat accumulator (3) comprises a tank (6) formed by two metal sheets (7, 8) of which at least one (8) is deformed by drawing and which have respective peripheral edges (9, 10) welded together and defining a chamber (13), and a substance (14) having a high heat capacity and disposed in the chamber (13).
- A heat exchanger (1) according to Claim 2, characterized in that the coil (2) is positioned inside the tank (6) and is fixed thereto by fixing means (15).
- A heat exchanger (1) according to Claim 3, characterized in that the fixing means (15) are constituted by at least one wall duct (16) which is formed in the tank (6) and through which an end portion (5) of the coil (2) extends.
- A heat exchanger (1) according to Claim 4, characterized in that the wall duct (16) comprises a collar (17) formed by opposed portions (18, 19) of the peripheral edges (9, 10) of the sheets (7, 8).
- A heat exchanger (1) according to Claim 5, characterized in that the portion (18) of the peripheral edge (9) of one sheet (7) is flat and that the portion (19) of the peripheral edge (10) of the other sheet (8) is U-shaped.
- A heat exchanger (1) according to Claim 6, characterized in that it comprises weld material (20) disposed between the portions (18, 19).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI970619 | 1997-03-18 | ||
ITMI970619 IT1290117B1 (en) | 1997-03-18 | 1997-03-18 | HEAT EXCHANGER AS A CONDENSER AND / OR EVAPORATOR FOR A COLD GENERATOR |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0866289A2 true EP0866289A2 (en) | 1998-09-23 |
EP0866289A3 EP0866289A3 (en) | 1999-12-22 |
Family
ID=11376487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97203453A Withdrawn EP0866289A3 (en) | 1997-03-18 | 1997-11-07 | A heat-exchanger such as a condenser and/or evaporator for refrigerating apparatus |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0866289A3 (en) |
IT (1) | IT1290117B1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1010955A1 (en) * | 1998-12-18 | 2000-06-21 | OCEAN S.p.A. | An evaporator for a refrigerator or the like |
EP1229293A1 (en) * | 2001-02-02 | 2002-08-07 | Whirlpool Corporation | Refrigeration circuit condenser particularly for refrigerators, freezers and similar domestic appliances |
KR100348992B1 (en) * | 2000-03-24 | 2002-08-17 | 진성냉기산업주식회사 | Cool fluid accumulator-type vaporizer |
WO2002066911A1 (en) * | 2001-02-16 | 2002-08-29 | Multibrás S.A. Eletrodomésticos | Condenser for a refrigeration appliance |
EP1606566A1 (en) * | 2002-12-04 | 2005-12-21 | Hewlett-Packard Development Company, L.P. | Cooling system with evaporators distributed in parallel |
GB2449522A (en) * | 2007-05-22 | 2008-11-26 | 4Energy Ltd | Temperature controlled equipment cabinet comprising an absorption refrigerator system with an evaporator pipe located within a fluid containing enclosure |
WO2009144067A1 (en) * | 2008-04-17 | 2009-12-03 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator, in particular household refrigerator, comprising a condenser with heat storage elements |
DE102012017345A1 (en) * | 2012-08-29 | 2014-05-15 | Johannes Georg Mehlig | Refrigerator or freezer for use in household, has evaporator and condenser are located in front of rear wall in water tanks, and antifreeze is added to water tanks such that water remains liquid even at low evaporation temperatures |
US10871315B2 (en) | 2016-03-16 | 2020-12-22 | Liebherr-Hausgerate Lienz Gmbh | Refrigerant circuit for a cooling and/or freezing appliance |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1706891A (en) * | 1927-04-26 | 1929-03-26 | Kulair Corp | Evaporator element |
US2014703A (en) * | 1932-03-23 | 1935-09-17 | Fedders Mfg Co Inc | Refrigerating apparatus |
US2405432A (en) * | 1939-03-20 | 1946-08-06 | Dole Refrigerating Co | Cooling apparatus |
US2560453A (en) * | 1946-02-09 | 1951-07-10 | Dole Refrigerating Co | Heat exchange unit for refrigeration |
BE514736A (en) * | 1951-10-18 | |||
IT1021238B (en) * | 1974-09-10 | 1978-01-30 | Vitco Patens Ag | EUTECTIC EVAPORATOR WITH FINNED COIL |
JPS623659Y2 (en) * | 1981-01-19 | 1987-01-27 | ||
US5172567A (en) * | 1991-05-29 | 1992-12-22 | Thermo King Corporation | Eutectic beams for use in refrigeration |
-
1997
- 1997-03-18 IT ITMI970619 patent/IT1290117B1/en active IP Right Grant
- 1997-11-07 EP EP97203453A patent/EP0866289A3/en not_active Withdrawn
Non-Patent Citations (1)
Title |
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None |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1010955A1 (en) * | 1998-12-18 | 2000-06-21 | OCEAN S.p.A. | An evaporator for a refrigerator or the like |
KR100348992B1 (en) * | 2000-03-24 | 2002-08-17 | 진성냉기산업주식회사 | Cool fluid accumulator-type vaporizer |
EP1229293A1 (en) * | 2001-02-02 | 2002-08-07 | Whirlpool Corporation | Refrigeration circuit condenser particularly for refrigerators, freezers and similar domestic appliances |
WO2002066911A1 (en) * | 2001-02-16 | 2002-08-29 | Multibrás S.A. Eletrodomésticos | Condenser for a refrigeration appliance |
EP1606566A1 (en) * | 2002-12-04 | 2005-12-21 | Hewlett-Packard Development Company, L.P. | Cooling system with evaporators distributed in parallel |
GB2449522A (en) * | 2007-05-22 | 2008-11-26 | 4Energy Ltd | Temperature controlled equipment cabinet comprising an absorption refrigerator system with an evaporator pipe located within a fluid containing enclosure |
WO2008142414A1 (en) * | 2007-05-22 | 2008-11-27 | 4Energy Ltd. | Condenser heatsink |
WO2009144067A1 (en) * | 2008-04-17 | 2009-12-03 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator, in particular household refrigerator, comprising a condenser with heat storage elements |
DE102012017345A1 (en) * | 2012-08-29 | 2014-05-15 | Johannes Georg Mehlig | Refrigerator or freezer for use in household, has evaporator and condenser are located in front of rear wall in water tanks, and antifreeze is added to water tanks such that water remains liquid even at low evaporation temperatures |
US10871315B2 (en) | 2016-03-16 | 2020-12-22 | Liebherr-Hausgerate Lienz Gmbh | Refrigerant circuit for a cooling and/or freezing appliance |
Also Published As
Publication number | Publication date |
---|---|
IT1290117B1 (en) | 1998-10-19 |
EP0866289A3 (en) | 1999-12-22 |
ITMI970619A1 (en) | 1998-09-18 |
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