WO2000070277A1 - Kältemittelsammler für eine fahrzeugklimaanlage - Google Patents
Kältemittelsammler für eine fahrzeugklimaanlage Download PDFInfo
- Publication number
- WO2000070277A1 WO2000070277A1 PCT/EP2000/003596 EP0003596W WO0070277A1 WO 2000070277 A1 WO2000070277 A1 WO 2000070277A1 EP 0003596 W EP0003596 W EP 0003596W WO 0070277 A1 WO0070277 A1 WO 0070277A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shell
- refrigerant collector
- refrigerant
- tube
- upper half
- Prior art date
Links
- 239000003507 refrigerant Substances 0.000 title claims abstract description 36
- 238000004378 air conditioning Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract 1
- 238000005187 foaming Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
-
- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
Definitions
- the invention relates to a refrigerant collector for a vehicle air conditioning system.
- a refrigerant collector for receiving and dispensing liquid refrigerant within a refrigeration process of a vehicle air conditioning system with special properties for high operating pressures, in particular for the operation of a vehicle air conditioning system that uses CO 2 as the refrigerant.
- refrigerant collectors are cylindrical and with special connection bases, e.g. B., made from domed bobbin lace.
- connection bases e.g. B.
- this design results in a high mass and also large dimensions.
- several welds must be made to fasten the connection bases, which experience has shown that, not least because of the large number of weak points.
- large dimensions and high masses mean that these refrigerant collectors cannot be used in compact small vehicles.
- the invention is therefore based on the object of specifying a refrigerant collector of the type mentioned at the outset which, with technically simple means, provides high pressure resistance with a low mass and is also easy to manufacture.
- a refrigerant collector of the type mentioned in that it consists of upper and lower half-shells which are connected to one another by means of a weld seam. This not only reduces the dimensions and the mass of a refrigerant collector, but also the manufacturing time, since only a single weld seam has to be produced.
- the two half-shells can be both concave and hemispherical, these half-shells being arranged vertically one above the other.
- the concave or hemispherical design of the lower half-shell advantageously causes the separated liquid to converge in the lowest point of the container.
- Both half-shells can consist of both plastic and metal, although half-shells made of metal can withstand higher pressure.
- the upper half-shell has a separator pipe which is passed through the wall of the upper half-shell and is provided with a pipe connection lying outside the upper half-shell on one inlet side.
- the upper half-shell has a pipe connection for a mixing tube on an outlet side, which runs through the deepest area of the lower half-shell and back into the upper half-shell, it is also no longer possible for the medium to enter the mixing tube.
- the mixing tube has at least one tube bore facing the wall of the lower half-shell in the deepest region of the lower half-shell, it is possible that in this way an almost complete suction of the separated refrigerant takes place.
- the mixing tube has at least one bore above the maximum expected level of a liquid sump. This ensures that the function known from collectors ensures that a mixture of liquid and gaseous media is produced at the outlet.
- the respective diameters of the at least one pipe bore and the at least one bore are dimensioned such that a mixing ratio of the liquid mass drawn in from the liquid sump and the gas mass flowing through is established, which is almost independent of the mass flow rate through the mixing pipe.
- FIG. 1 shows a cross section in the vertical direction through a cold collector.
- FIG. 2 shows a cross section in the horizontal direction through the refrigerant collector according to FIG. 1.
- a refrigerant collector 1 consists of two concave or hemispherical half shells 5 and 6, namely an upper half shell 5 and a lower half shell 6, which are connected to one another only by a single weld 7.
- the concave design of the lower half-shell 6 advantageously causes the separated liquid to converge at the lowest point of the refrigerant collector 1.
- One end of a separator tube 3 is passed through the wall of the upper half shell 5 and connected to a pipe connection 2a on an inlet side 8a.
- One end of a mixing tube 4 is passed through the wall of the upper half-shell 5 and connected to a tube connection 2b on an outlet side 8b.
- This mixing tube 4 is guided downward from the tube connection 2b to the deepest area or lowest point of the lower half-shell 6 and from there back into the upper half-shell 5.
- One or more tube bores 9 are advantageously provided in a lower region of curvature of the mixing tube 4. It is possible that a bore opening is located at the lowest point of the pipe curvature of the mixing pipe 4 at a short distance above the lowest point of the bottom of the lower half-shell 6. In this way, the separated refrigerant is almost completely extracted.
- the mixing tube 4 advantageously has a further bore 10 above a maximum expected liquid level.
- the end of the pipe section 3 located inside the refrigerant collector 1 is advantageously laterally bent. This ensures that an entering medium 11 can not enter the mixing tube 4, the jet-entering medium 11 is directed to the inner wall of the refrigerant collector 1, the liquid components are separated thereby and the foaming of separated liquid in a liquid sump 12 is avoided by the incoming jet becomes.
- the respective diameter of the tube bore 9 and the bore 10 of the mixing tube 4 can be dimensioned such that a mixing ratio of the liquid mass drawn in from the liquid sump 12 and the gas mass flowing through is almost independent of the mass throughput through the mixing tube 4.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/959,863 US6581407B1 (en) | 1999-05-12 | 2000-04-20 | Refrigerant collector for an air conditioning system in a vehicle |
EP00929400A EP1179165B1 (de) | 1999-05-12 | 2000-04-20 | Kältemittelsammler für eine fahrzeugklimaanlage |
JP2000618665A JP4459456B2 (ja) | 1999-05-12 | 2000-04-20 | 車両空調装置の冷媒捕集装置 |
DE50007079T DE50007079D1 (de) | 1999-05-12 | 2000-04-20 | Kältemittelsammler für eine fahrzeugklimaanlage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921975A DE19921975A1 (de) | 1999-05-12 | 1999-05-12 | Kältemittelsammler für eine Fahrzeugklimaanlage |
DE19921975.3 | 1999-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000070277A1 true WO2000070277A1 (de) | 2000-11-23 |
Family
ID=7907885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/003596 WO2000070277A1 (de) | 1999-05-12 | 2000-04-20 | Kältemittelsammler für eine fahrzeugklimaanlage |
Country Status (5)
Country | Link |
---|---|
US (1) | US6581407B1 (de) |
EP (1) | EP1179165B1 (de) |
JP (1) | JP4459456B2 (de) |
DE (2) | DE19921975A1 (de) |
WO (1) | WO2000070277A1 (de) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1189568B (de) * | 1961-08-11 | 1965-03-25 | Danfoss Ved Ing M Clausen | Kapsel fuer Kleinkaeltemaschinen |
US4147479A (en) * | 1976-08-13 | 1979-04-03 | Tecumseh Products Company | Refrigeration system and method with compressor mounted accumulator |
US4345882A (en) * | 1979-07-13 | 1982-08-24 | Matsushita Electric Industrial Company, Limited | Hermetic motor compressor |
US4457843A (en) * | 1982-05-12 | 1984-07-03 | Multiform Desiccants, Inc. | Self-retaining adsorbent container |
US4474035A (en) * | 1983-12-23 | 1984-10-02 | Ford Motor Company | Domed accumulator for automotive air conditioning system |
JPH03194371A (ja) * | 1989-12-22 | 1991-08-26 | Toshiba Corp | 冷凍装置 |
US5245836A (en) | 1989-01-09 | 1993-09-21 | Sinvent As | Method and device for high side pressure regulation in transcritical vapor compression cycle |
JPH0712431A (ja) * | 1993-06-23 | 1995-01-17 | Hitachi Ltd | 空気調和機 |
US5702023A (en) * | 1995-06-01 | 1997-12-30 | Ehs; Eugen | Drying-agent receptacle for an air-conditioning system |
US5729998A (en) * | 1996-10-16 | 1998-03-24 | Ford Motor Company | Accumulator for an air conditioning system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2409928A (en) * | 1943-11-18 | 1946-10-22 | Harry Alter Company | Combination receiver and dehydrator |
US3488678A (en) * | 1968-05-03 | 1970-01-06 | Parker Hannifin Corp | Suction accumulator for refrigeration systems |
US4218890A (en) * | 1978-07-24 | 1980-08-26 | General Electric Company | Vapor compression cycle device with multi-component working fluid mixture and improved condensing heat exchanger |
SE8404641L (sv) * | 1984-09-17 | 1986-03-10 | Olson Hans E E | Anordning for att aterfora olja till en kylkompressor |
JP3284567B2 (ja) * | 1991-10-01 | 2002-05-20 | 松下電器産業株式会社 | アキュムレータ |
US5177982A (en) * | 1991-12-23 | 1993-01-12 | Ford Motor Company | Accumulator desiccant bag retaining clip |
US5282370A (en) * | 1992-05-07 | 1994-02-01 | Fayette Tubular Technology Corporation | Air-conditioning system accumulator and method of making same |
US5778697A (en) * | 1996-03-15 | 1998-07-14 | Parker-Hannifin Corporation | Accumulator for refrigeration system |
JP3339302B2 (ja) * | 1996-04-26 | 2002-10-28 | 三菱電機株式会社 | アキュムレータ |
-
1999
- 1999-05-12 DE DE19921975A patent/DE19921975A1/de not_active Withdrawn
-
2000
- 2000-04-20 WO PCT/EP2000/003596 patent/WO2000070277A1/de active IP Right Grant
- 2000-04-20 DE DE50007079T patent/DE50007079D1/de not_active Expired - Lifetime
- 2000-04-20 JP JP2000618665A patent/JP4459456B2/ja not_active Expired - Fee Related
- 2000-04-20 US US09/959,863 patent/US6581407B1/en not_active Expired - Fee Related
- 2000-04-20 EP EP00929400A patent/EP1179165B1/de not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1189568B (de) * | 1961-08-11 | 1965-03-25 | Danfoss Ved Ing M Clausen | Kapsel fuer Kleinkaeltemaschinen |
US4147479A (en) * | 1976-08-13 | 1979-04-03 | Tecumseh Products Company | Refrigeration system and method with compressor mounted accumulator |
US4345882A (en) * | 1979-07-13 | 1982-08-24 | Matsushita Electric Industrial Company, Limited | Hermetic motor compressor |
US4457843A (en) * | 1982-05-12 | 1984-07-03 | Multiform Desiccants, Inc. | Self-retaining adsorbent container |
US4474035A (en) * | 1983-12-23 | 1984-10-02 | Ford Motor Company | Domed accumulator for automotive air conditioning system |
US5245836A (en) | 1989-01-09 | 1993-09-21 | Sinvent As | Method and device for high side pressure regulation in transcritical vapor compression cycle |
JPH03194371A (ja) * | 1989-12-22 | 1991-08-26 | Toshiba Corp | 冷凍装置 |
JPH0712431A (ja) * | 1993-06-23 | 1995-01-17 | Hitachi Ltd | 空気調和機 |
US5702023A (en) * | 1995-06-01 | 1997-12-30 | Ehs; Eugen | Drying-agent receptacle for an air-conditioning system |
US5729998A (en) * | 1996-10-16 | 1998-03-24 | Ford Motor Company | Accumulator for an air conditioning system |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 015, no. 457 (M - 1181) 20 November 1991 (1991-11-20) * |
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 04 31 May 1995 (1995-05-31) * |
Also Published As
Publication number | Publication date |
---|---|
EP1179165B1 (de) | 2004-07-14 |
DE19921975A1 (de) | 2000-11-16 |
JP2002544467A (ja) | 2002-12-24 |
US6581407B1 (en) | 2003-06-24 |
EP1179165A1 (de) | 2002-02-13 |
JP4459456B2 (ja) | 2010-04-28 |
DE50007079D1 (de) | 2004-08-19 |
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