US20080282727A1 - Coolant Collection Comprising a Filterdryer Unit - Google Patents
Coolant Collection Comprising a Filterdryer Unit Download PDFInfo
- Publication number
- US20080282727A1 US20080282727A1 US11/908,979 US90897906A US2008282727A1 US 20080282727 A1 US20080282727 A1 US 20080282727A1 US 90897906 A US90897906 A US 90897906A US 2008282727 A1 US2008282727 A1 US 2008282727A1
- Authority
- US
- United States
- Prior art keywords
- filter
- dryer unit
- accordance
- coolant collector
- interior space
- 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.)
- Abandoned
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
- 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
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
-
- 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
- F25B43/003—Filters
-
- 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 coolant collector comprising a filter/dryer unit for cooling systems.
- the coolant collector in accordance with the invention is particularly suitable for motor vehicle air-conditioning systems and, in this case, in particular for those which are operated with carbon dioxide as the coolant.
- coolants flow through coolant collectors, in which case said collectors keep a coolant supply ready.
- This supply buffers minor coolant losses of the refrigerating machine as well as different conditions of use of said machine. Consequently, as a rule, a certain amount of liquid coolant is present in the coolant collector.
- the coolant must be dry. If ice forms in the refrigerating machine at unfavorable points, this may result in disruptions of the operation of the refrigerating machine and also in damage to said machine. Consequently, as a rule, refrigerating systems comprise dryers. These are, for example, tubular storage receptacles, in which a water-absorbing material, for example, a granulate, is arranged. This granulate is perfused by the coolant, in so doing, it is critical that sufficient intimate contact between the coolant and the dryer material be ensured.
- compressors of CO 2 refrigerating machines are relatively sensitive to fluid droplets and, in particular, solid particles, that are taken in by suction. Consequently, it is desirable to reliably ensure that the sucked in stream of coolant does not contain any solid particles.
- coolant collector comprising an integral filter/dryer unit in accordance with Claim 1 :
- the coolant collector in accordance with the invention is based on a pressure-resistant, upright receptacle having a wall, bottom and upper closure so that a closed interior space is being enclosed.
- a first pipe leads into the interior space, and a second pipe leads out of the interior space.
- a filter/dryer unit Arranged inside the interior space is a filter/dryer unit, which is fed by the pipe leading into the interior space. In so doing, coolant is delivered approximately to the center of the filter/dryer unit.
- the filter/dryer unit comprises at least one, preferably however, several large-area outlets that have a cross-section exceeding the cross-section of the delivering pipe. The outlets terminate in the interior space of the container, in which oil, as well as liquid coolant, may collect.
- the pipe leading out of the interior space has an upper open end that, preferably, is located above the filter/dryer unit. Said pipe leads out of the interior space at this point.
- said pipe extends, preferably in the form of a U, extends around the filter/dryer unit, whereby a lower pipe bend of the pipe leading out of the interior space extends across the bottom of the receptacle.
- an intake opening is preferably provided.
- the pipe bend undercuts an oil level which is formed in the receptacle. As a result of this, the stream of coolant leaving via the intake opening may suck up, and carry along, oil in a metered manner. This is desirable for lubricating the connected compressors.
- a partial volume of the interior space is limited between the oil level and the filter/dryer unit, whereby coolant in the fluid phase may be present in said space.
- the amount of liquid coolant may fluctuate independent of the conditions of use of the refrigerating machine.
- the filter/dryer unit separates the coolant level from the steeply upward extending open pipe end of the pipe leading out of the interior space, so that coolant spray may not enter the open pipe end, not even when the coolant collector is installed in motor vehicles and shaken vigorously during extreme driving maneuvers or on bumpy roads.
- the upper closure of the receptacle is preferably flat or slightly rounded, whereby the two pipes are located next to each other, leading into the receptacle, as well as out of it.
- an approximately cylindrical steam dome is formed above the filter/dryer unit, said steam cone primarily containing coolant in the gaseous phase that can be readily drawn off.
- the connection of the pipes which are aligned next to each other, preferably in a parallel mariner, is simple and not complex.
- the filter/dryer unit takes up the entire cross-section of the interior space in such a manner that said unit, with the wall of the receptacle, defines only a relatively narrow annular gap. Exiting from this annular gap, the coolant moves at a relatively low flow rate as it enters the upper area acting as a steam dome. Sloshing motions of the coolant level below the filter/dryer unit hardly cause the liquid coolant to enter into the area above the filter/dryer unit. This does not occur, in particular, in view of the preferred height (axial extension) of the filter/dryer unit, which is preferably greater than the diameter of said unit.
- the filter/dryer unit comprises a housing having a flat upper side and an approximately cylindrical outer circumference.
- This unit efficiently separates the liquid coolant phase from the vaporous coolant phase.
- said unit features a sufficiently large interior space for the accommodation of a large drying agent portion.
- the filter/dryer unit It has been found to be highly advantageous to provide the filter/dryer unit with a conical bottom.
- the tip of the bottom is preferably located in the center of the housing, approximately below the feed pipe.
- the cone angle is relatively large and preferably ranges between 120° and 170°.
- This shape of the bottom has been found to be advantageous from the viewpoint of the developing flow pattern, as well as from the viewpoint of practicality, because said shape permits good contacting of the dryer granulate when the filter/dryer unit is being closed. This is true, in particular, when the bottom is installed from the underside in the housing of the filter/dryer unit and is then fixed in place, for example, by engagement means.
- spherical granulate bodies are used as the dry granulate, thus providing an optimal contact between the coolant and the dry granulate.
- the filter/dryer unit On the input side, the filter/dryer unit is provided with an inlet basket having, on its circumference and on its bottom, outlet opening, e.g., bores and slits.
- the inlet basket permits a delivery of the coolant fluid into the dry granulate at a low pressure drop.
- a fine-mesh filter is provided at the outlet openings of the housing of the filter/dryer unit.
- Said filter consists, e.g., of a fine stainless steel net, a stainless steel felt or the like.
- the mesh size is preferably within the range of from 30 ⁇ m to 60 ⁇ m.
- the conical bottom is a prerequisite to obtaining a good separation of the gaseous and liquid phases.
- the collection of liquid coolant and/or oil in the filter/dryer unit is avoided with certainty.
- the dry granulate itself is kept free of fluids, so that its effectiveness is not impaired by oil or liquid coolant.
- FIG. 1 a perspective view of the complete coolant collector
- FIG. 2 a perspective view, vertically in section, of the coolant collector in accordance with FIG. 1 ;
- FIG. 3 a vertical sectional view of the coolant collector in accordance with FIG. 2 , with an additional sectional view of its filter/dryer unit;
- FIG. 4 a vertical sectional view of the filter/dryer unit of the coolant collector in accordance with FIGS. 2 and 3 ;
- FIG. 1 shows a coolant collector 1 comprising an outer receptacle 2 being configured as an aluminum bottle. It has a cylindrical wall 3 with an essentially flat upper closure 4 and, for example, a spherically arched bottom 5 .
- the bottom 5 may be provided with an opening into which a bursting plug 6 is screwed.
- the receptacle 2 is closed toward the outside on all its sides. It may consist of two or more welded together parts, whereby the welding seams are not shown in FIG. 1 .
- the receptacle 2 is made without welding or soldering seams, i.e., without welding and soldering operation. To achieve this, first a hollow cylindrical blank is produced, said blank already having the upper closure 4 .
- the latter is closed on its bottom 5 by means of a roll-forming operation or by another alternative reforming operation to such an extent that only the opening that is to be closed by the plug 6 remains.
- This manufacturing process permits the production of the receptacle 2 with a relatively low wall thickness even when it is to be designed for very high bursting pressures of, for example, above 200 bar. Other structural changes of the material that occur during welding and soldering are excluded.
- Two pipes 7 , 8 lead through the closure 4 into or out of the interior space 9 enclosed by the receptacle 2 , as is obvious from FIG. 2 .
- the ends of the pipes 7 , 8 extend parallel with respect to each other through the closure 4 .
- the pipe 7 forms the intake-side line for the delivery of coolant into the coolant collector 1 . It leads to a filter/dryer unit 10 which is accommodated in the interior space 9 of the separate housing 11 .
- the end 12 of the pipe 7 located in the interior space 9 leads to a central connection that, i.e., strictly speaking, is arranged on its preferably flat upper side 13 .
- the housing 11 has a cylindrical outer circumference 14 with a diameter that is slightly smaller than the inside diameter of the wall 3 , so that a slit is created between the two.
- the outer circumference 14 is provided with radially outward projecting spacer projections 15 that are configured as ribs 16 , 17 , 18 preferably being vertically longitudinal, i.e., oriented in axial direction.
- outlet windows 19 , 20 , 21 , 22 , 23 see FIGS.
- the outlet windows 19 through 23 are only separated from each other by narrow strips that connect the upper closure plate located on the upper side 13 with a lower ring 25 which holds a bottom 26 set into the housing 11 .
- the outlet windows 19 through 23 may be provided with a grid of plastic material, said grid supporting the installed, later-explained filters and providing protection against manual damage during assembly.
- the bottom 26 like the remaining housing 11 —consists of plastic material.
- Said bottom has a conical bottom section 28 that extends upward from an annular rim 27 , said bottom section having a cone angle of preferably approximately 130° to 150°.
- the bottom 26 is connected with the ring 25 by means of not specifically illustrated engagement means.
- the outer edge 29 of said bottom adjoins the upper edge of the ring 25 or is arranged just above it.
- the outlet windows 19 through 23 are closed by a fine-mesh filter.
- the latter may be made of a stainless steel net, a stainless steel felt or the like.
- the mesh size is preferably in the range between 30 ⁇ m and 60 ⁇ m.
- the inlet basket 31 Inside the interior space 24 of the housing 11 is an inlet basket 31 that is preferably connected in one piece with the upper closure plate of the housing 11 .
- the inlet basket 31 has a cylindrical shape, for example. On its circumference, said basket is provided with slits 32 . Its bottom is provided with openings 33 .
- the slits 32 and the openings 33 have a width of no more than 0.8 mm. In any event, the width of the slits 32 and the openings 33 , is less than the grain size of the dry granulate that fills the interior space 24 . This granulate is disposed to absorb water.
- the housing 11 has diametrically opposed or otherwise positioned relative locations with groove-like cutouts, preferably cutouts having approximately the form of cylindrical shells, through which extends the pipe 8 . It extends from an open end located above the filter/dryer unit 10 vertically downward to the bottom 5 of the receptacle 2 .
- the corresponding straight pipe section 34 then terminates below the filter/dryer unit 10 in a pipe bend 35 , from where it leads—with another pipe section 36 —again past the filter/dryer unit 10 to the closure 4 and through said closure toward the outside.
- the pipe bend 35 extends just above the bottom 5 , as is obvious, in particular, from FIG. 5 .
- the pipe bend is provided with a suction bore 37 . Said suction bore has a small diameter and is disposed to add oil to the coolant flowing in the pipe bend 35 .
- the receptacle 2 is arranged vertically, i.e., its pipes 7 , 8 lead essentially vertically into the interior space 9 .
- the center axis of the cylindrical wall extends perpendicularly.
- the coolant initially flows from the refrigerating machine through the pipe 7 into the filter/dryer unit that divides the interior space 9 into an upper area 38 that is disposed to act as a steam cone and into a lower area 39 that is disposed to act as a fluid collector.
- the coolant is a three-phase mixture consisting of a gaseous coolant, of a liquid coolant and of liquid oil particles.
- This mixture first enters the inlet basket 31 , then leaves it through the slits 32 and the openings 33 , through which the mixture enters the densely packed, preferably spherical, dryer body. In so doing, the flow is directed through the openings 32 at the bottom section 28 which radially redirects the flow toward the outside.
- the result is a relatively uniform, slow perfusion of the dryer packing held in the interior space 24 .
- Liquid components i.e., liquid coolant and oil, reach the bottom section 28 and move along it toward the outside. They leave the filter/dryer unit 10 through the outlet windows 19 through 23 and drain downward on the ring 25 into the partial space formed by the area 39 .
- gaseous coolant accumulates primarily in the area 38 of the interior space 9 , from were it may be drawn off through the pipe 8 .
- a fluid supply consisting of oil and liquid coolant is formed under the filter/dryer unit 10 . As a result of their different densities, they separate from each other. This is true, in particular, when the coolant used is CO 2 . Above the bottom 5 , an oil volume 40 having an oil level 41 is formed; on this rests a liquid coolant volume 42 having a coolant level 43 .
- the oil level 41 is at least above the suction bore 37 .
- the coolant level 43 is at least below the rim 29 , preferably, however, below the ring 25 .
- the vaporous coolant present in the area 38 flows through the pipe section 34 and the pipe bend 35 , in which case it carries oil along via the suction bore 37 .
- the suction bore 37 may also be viewed as a drainage bore which restricts the oil access into the pipe 8 to a desired low degree. If necessary, several such bores may be provided.
- a filter being configured, for example, as a metal net, a metal felt or the like, may be arranged between the pipe bend 35 and the bursting plug 6 .
- the filter/dryer unit 10 causes not only a drying of the coolant but, at the same time, a division of the interior space 9 that is so effective that no spray from the potentially boiling or sloshing—due to exterior motion—coolant volume 42 enters the open end of the pipe section 34 . In this way, a simple, combined coolant collector comprising an integral filter/dryer unit 10 has been created.
- a coolant collector 1 comprising a filter/dryer unit 10 comprises an elongate, vertically oriented interior space which is subdivided into an upper area 38 and a lower area 39 by means of the filter/dryer unit 10 .
- the in-flowing coolant is delivered to the filter/dryer unit 10 via a pipe 7 , said unit having its outlet windows located on its outer circumference which delimits a relatively narrow gap along with the wall 3 of the receptacle 2 of the coolant collector 1 .
- Liquid components drip downwards and accumulate below the filter/dryer unit while gaseous components accumulate primarily above the filter/dryer unit 10 .
Landscapes
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Drying Of Solid Materials (AREA)
- Drying Of Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Air-Conditioning For Vehicles (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005009191.1 | 2005-03-01 | ||
DE102005009191A DE102005009191B3 (de) | 2005-03-01 | 2005-03-01 | Kältemittelsammler mit Filter/Trockner-Einheit |
EPPCT/EP2006/001862 | 2006-03-01 | ||
PCT/EP2006/001862 WO2006092285A2 (fr) | 2005-03-01 | 2006-03-01 | Accumulateur de réfrigérant doté d'une unité filtre/dessiccateur |
Publications (1)
Publication Number | Publication Date |
---|---|
US20080282727A1 true US20080282727A1 (en) | 2008-11-20 |
Family
ID=36613382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/908,979 Abandoned US20080282727A1 (en) | 2005-03-01 | 2006-03-01 | Coolant Collection Comprising a Filterdryer Unit |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080282727A1 (fr) |
EP (1) | EP1853859B1 (fr) |
CN (1) | CN100538215C (fr) |
AT (1) | ATE437345T1 (fr) |
DE (2) | DE102005009191B3 (fr) |
ES (1) | ES2329169T3 (fr) |
WO (1) | WO2006092285A2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008037904B4 (de) | 2007-08-15 | 2019-07-04 | Mahle International Gmbh | Akkumulator |
DE102013217072A1 (de) * | 2013-08-27 | 2015-03-05 | Behr Gmbh & Co. Kg | Kondensator |
CN105774479B (zh) * | 2016-02-26 | 2017-12-15 | 佛山市国荥先达车用空调及冷却部件有限公司 | 车用空调干燥储液器 |
US10627141B2 (en) * | 2018-03-25 | 2020-04-21 | Shawket Bin Ayub | Smart accumulator to scrub inlet fluid |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2325657A (en) * | 1940-05-13 | 1943-08-03 | Neal B Burkness | Combined filter, dehydrator, and indicator |
US2749723A (en) * | 1953-10-15 | 1956-06-12 | Robert C Webber | Oil separator for refrigeration system |
US3064819A (en) * | 1959-01-19 | 1962-11-20 | Henry Valve Co | Refrigerant drier |
US3972816A (en) * | 1974-08-23 | 1976-08-03 | Change, Inc. | Oil extractor |
US4276756A (en) * | 1980-07-07 | 1981-07-07 | General Motors Corporation | Liquid accumulator |
US4352739A (en) * | 1980-01-21 | 1982-10-05 | Oliver Jr John E | Completion and workover fluid filtration system |
US4457843A (en) * | 1982-05-12 | 1984-07-03 | Multiform Desiccants, Inc. | Self-retaining adsorbent container |
US5038582A (en) * | 1989-03-13 | 1991-08-13 | Calsonic Corporation | Liquid receiver |
US5419157A (en) * | 1992-05-07 | 1995-05-30 | Automotive Fluid Systems, Inc. | Air-conditioning system accumulator and method of making same |
US5651266A (en) * | 1996-04-04 | 1997-07-29 | Eaton Corporation | Drier/accumulator for refrigerant system and method of making same |
US5729998A (en) * | 1996-10-16 | 1998-03-24 | Ford Motor Company | Accumulator for an air conditioning system |
US6196019B1 (en) * | 1997-12-16 | 2001-03-06 | Showa Aluminum Corporation | Accumulator |
US6330810B1 (en) * | 2000-08-11 | 2001-12-18 | Showa Denko K.K. | Condensing apparatus for use in a refrigeration cycle receiver-dryer used for said condensing apparatus |
US20020095948A1 (en) * | 2001-01-22 | 2002-07-25 | Corrigan Daniel Leonard | Suction accumulator for air conditioning systems |
US20030044523A1 (en) * | 2000-01-10 | 2003-03-06 | Jack Brass | Method of applying liquid fluorescent dyes to the internal parts of air conditioning or refrigeration systems |
US20040031285A1 (en) * | 2002-05-17 | 2004-02-19 | Siegbert Altendorfer | Insert for use in a refrigerant receiver |
US20050103047A1 (en) * | 2002-03-23 | 2005-05-19 | Uwe Forster | Condenser |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19742230C2 (de) * | 1997-09-25 | 1999-08-05 | Hansa Metallwerke Ag | Akkumulator für eine nach dem "Orifice"-Prinzip arbeitende Klimaanlage, insbesondere Fahrzeugklimaanlage |
DE19946217C1 (de) * | 1999-09-27 | 2001-04-26 | Hansa Metallwerke Ag | Akkumulator für eine nach dem "Orifice"-Prinzip arbeitende Klimaanlage, insbesondere Fahrzeugklimaanlage |
DE20004328U1 (de) * | 2000-03-08 | 2000-05-18 | Hansa Metallwerke Ag | Akkumulator für eine nach dem Orifice-Prinzip arbeitende Klimaanlage, insbesondere Fahrzeugklimaanlage |
-
2005
- 2005-03-01 DE DE102005009191A patent/DE102005009191B3/de not_active Expired - Fee Related
-
2006
- 2006-03-01 ES ES06723160T patent/ES2329169T3/es active Active
- 2006-03-01 EP EP06723160A patent/EP1853859B1/fr not_active Not-in-force
- 2006-03-01 WO PCT/EP2006/001862 patent/WO2006092285A2/fr active Application Filing
- 2006-03-01 DE DE502006004303T patent/DE502006004303D1/de active Active
- 2006-03-01 US US11/908,979 patent/US20080282727A1/en not_active Abandoned
- 2006-03-01 AT AT06723160T patent/ATE437345T1/de active
- 2006-03-01 CN CNB2006800144425A patent/CN100538215C/zh not_active Expired - Fee Related
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2325657A (en) * | 1940-05-13 | 1943-08-03 | Neal B Burkness | Combined filter, dehydrator, and indicator |
US2749723A (en) * | 1953-10-15 | 1956-06-12 | Robert C Webber | Oil separator for refrigeration system |
US3064819A (en) * | 1959-01-19 | 1962-11-20 | Henry Valve Co | Refrigerant drier |
US3972816A (en) * | 1974-08-23 | 1976-08-03 | Change, Inc. | Oil extractor |
US4352739A (en) * | 1980-01-21 | 1982-10-05 | Oliver Jr John E | Completion and workover fluid filtration system |
US4276756A (en) * | 1980-07-07 | 1981-07-07 | General Motors Corporation | Liquid accumulator |
US4457843A (en) * | 1982-05-12 | 1984-07-03 | Multiform Desiccants, Inc. | Self-retaining adsorbent container |
US5038582A (en) * | 1989-03-13 | 1991-08-13 | Calsonic Corporation | Liquid receiver |
US5419157A (en) * | 1992-05-07 | 1995-05-30 | Automotive Fluid Systems, Inc. | Air-conditioning system accumulator and method of making same |
US5651266A (en) * | 1996-04-04 | 1997-07-29 | Eaton Corporation | Drier/accumulator for refrigerant system and method of making same |
US5729998A (en) * | 1996-10-16 | 1998-03-24 | Ford Motor Company | Accumulator for an air conditioning system |
US6196019B1 (en) * | 1997-12-16 | 2001-03-06 | Showa Aluminum Corporation | Accumulator |
US20030044523A1 (en) * | 2000-01-10 | 2003-03-06 | Jack Brass | Method of applying liquid fluorescent dyes to the internal parts of air conditioning or refrigeration systems |
US6330810B1 (en) * | 2000-08-11 | 2001-12-18 | Showa Denko K.K. | Condensing apparatus for use in a refrigeration cycle receiver-dryer used for said condensing apparatus |
US20020095948A1 (en) * | 2001-01-22 | 2002-07-25 | Corrigan Daniel Leonard | Suction accumulator for air conditioning systems |
US20050103047A1 (en) * | 2002-03-23 | 2005-05-19 | Uwe Forster | Condenser |
US20040031285A1 (en) * | 2002-05-17 | 2004-02-19 | Siegbert Altendorfer | Insert for use in a refrigerant receiver |
Also Published As
Publication number | Publication date |
---|---|
CN101166942A (zh) | 2008-04-23 |
DE102005009191B3 (de) | 2006-09-07 |
WO2006092285A2 (fr) | 2006-09-08 |
ATE437345T1 (de) | 2009-08-15 |
CN100538215C (zh) | 2009-09-09 |
EP1853859B1 (fr) | 2009-07-22 |
DE502006004303D1 (de) | 2009-09-03 |
ES2329169T3 (es) | 2009-11-23 |
EP1853859A2 (fr) | 2007-11-14 |
WO2006092285A3 (fr) | 2007-09-07 |
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