CN108413664B - Air-conditioning gas-liquid separator for vehicle - Google Patents
Air-conditioning gas-liquid separator for vehicle Download PDFInfo
- Publication number
- CN108413664B CN108413664B CN201810433199.5A CN201810433199A CN108413664B CN 108413664 B CN108413664 B CN 108413664B CN 201810433199 A CN201810433199 A CN 201810433199A CN 108413664 B CN108413664 B CN 108413664B
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- pipe
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- 239000007788 liquid Substances 0.000 title claims abstract description 68
- 238000004378 air conditioning Methods 0.000 title claims abstract description 15
- 238000001802 infusion Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000002808 molecular sieve Substances 0.000 claims abstract description 22
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 18
- 238000001704 evaporation Methods 0.000 claims abstract description 13
- 210000005239 tubule Anatomy 0.000 claims abstract description 11
- 239000002274 desiccant Substances 0.000 claims abstract description 8
- 230000008020 evaporation Effects 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000009958 sewing Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 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
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)
- Compressor (AREA)
Abstract
The invention discloses a vehicle air-conditioning gas-liquid separator, which comprises a cylinder, a sealing cover, an oil blocking cover, a transfusion tube, a supporting tube, a molecular sieve bag and a filter box, wherein the device removes moisture in gas to be treated through a drying agent in the molecular sieve bag; the arrangement of the filter box has a filtering effect on the gas from the evaporator; through the arrangement of the supporting tube and the infusion tube, negative pressure is formed in the cylinder body, so that gas to be treated mixed with liquid drops is separated from gas and liquid due to different gas-liquid specific weights; the evaporation tubule is arranged in the infusion tube, so that liquid drops at the filter box are also subjected to suction force from the compressor, the liquid drops are changed from liquid to gas, and the liquid drops are mixed into the pure meteorological part to enter the compressor; through the steps, the gas from the evaporator is subjected to gas-liquid separation, so that liquid refrigerant is prevented from entering the compressor, and lubrication is prevented from being damaged or a vortex plate is prevented from being damaged.
Description
Technical Field
The invention belongs to the technical field of refrigeration devices, and particularly relates to a gas-liquid separator of an air conditioner for a vehicle.
Background
Compression refrigeration technology is one of the most common air conditioning refrigeration technologies and can be considered a heat cycle exchange system comprising: evaporator, compressor, condenser, throttle pipe (reducer) and other main components, wherein the refrigerant is used as the carrier for energy exchange. When working, the following steps are carried out: firstly, the compressor sucks air, at the moment, gaseous refrigerant from the evaporator enters the compressor from the air inlet valve, then the valve is closed, and the compressor compresses gas to be high-pressure gas; when the pressure reaches a certain degree, the exhaust valve is opened to allow high-pressure gas to pass through the condenser, the high-pressure gas discharges heat outwards in the condenser, energy is transferred outwards, the high-pressure gas becomes liquid after passing through the condenser, the liquid still needs to be kept at a certain pressure because the process is carried out in a closed space, the liquid is decompressed, the liquid passes through the throttle (the pressure reducer), the decompressed liquid can absorb heat again through the evaporator to become gas, and then the gas can enter the compressor again, so that the energy exchange is realized through the circulation. In this process, the refrigerant returning to the compressor from the evaporator is a mixture of gas and liquid, and the liquid refrigerant enters the compressor to damage lubrication or damage the scroll plate, thereby causing liquid impact of the compressor, which can cause great harm to the service life of the compressor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a gas-liquid separator of an air conditioner for a vehicle.
The invention is realized by the following technical scheme:
the utility model provides an automobile-used air conditioner gas-liquid separator, includes barrel, closing cap, hinders oily lid, transfer line, stay tube, molecular sieve bag and filter cassette, the rigid coupling forms airtight container between barrel and the closing cap, is provided with air inlet and gas outlet on the closing cap be provided with and hinder oily lid in airtight container near closing cap one side, hinder oily and cover and be formed with air inlet and gas outlet position coincidence first import and first export, transfer line both ends opening, the one end of transfer line passes and hinders oily first export and closing cap Xiang Maojie of lid, the stay tube cup joints in the outside of transfer line, make the evaporation tubule that sets up in the stay tube bottom stretch into in the transfer line, form the air current passageway that the air feed body got into between transfer line and the stay tube inner chamber, be provided with molecular sieve bag outside the body of stay tube, set up the filter cassette in the bottom of stay tube.
In the above technical scheme, the oil blocking cover is provided with a convex round button at the side of the first inlet at one side facing the inside of the cavity, and concave lines extending to the periphery are arranged by taking the convex round button as the center.
In the technical scheme, the limiting disc for positioning and fixing the support tube and the cylinder body is arranged on the outer edge of the middle part of the tube body of the support tube.
In the technical scheme, a limiting plate used for limiting the infusion tube is arranged in the support tube body, the limiting plate extends from the bottom of the support tube body to the middle of the tube body, and the length of the limiting plate is 1/3-1/2 of the total length of the support tube.
In the technical scheme, the bottom of the limiting plate is provided with the bulge which is used for being clamped at the bottom of the infusion tube, so that a space is reserved between the infusion tube and the bottom surface of the inner cavity of the supporting tube, and the space is 8-12mm.
In the technical scheme, a protruding edge for being in butt joint installation with the oil blocking cover is arranged on one side, close to the air outlet, of the infusion tube.
In the technical scheme, the side surface of the pipe body, close to the air outlet, of the infusion pipe is provided with the pressure equalizing hole.
In the technical scheme, the drying agent is arranged in the molecular sieve bag, and the molecular sieve bag is bound on the pipe body of the supporting pipe through binding belts arranged at two ends.
In the technical scheme, the sealing caps for sealing are arranged in the air inlet and the air outlet of the sealing cover.
In the technical scheme, the diameter of the evaporating tubule is 1-2mm, and the length is 1/3-1/2 of the total length of the supporting tube.
The assembling method of the air-liquid separator of the vehicle air conditioner comprises the following steps:
1. one end of the infusion tube penetrates through a first outlet inserted into the oil blocking cover, and the infusion tube penetrating through the oil blocking cover is riveted on the sealing cover;
2. the support pipe is sleeved on the infusion pipe, the support pipe and the infusion pipe are connected in interference fit, so that the evaporation tubules arranged at the two ends of the bottom of the support pipe extend into the infusion pipe, and an air flow channel for air to enter is formed between the infusion pipe and the inner cavity of the support pipe;
3. mounting the filter box at the bottom of the support tube;
4. binding the molecular sieve bags on the tube body of the support tube through binding belts at two ends;
5. welding the cylinder body and the plugging cap;
6. the 2 plugging caps are respectively plugged into the air inlet and the air outlet of the sealing cover, so that the water vapor is prevented from entering the cylinder body in the running process of the equipment.
The operation process of the air-conditioning gas-liquid separator for the vehicle is as follows:
when the evaporator is used, the blocking caps of the air inlet and the air outlet of the sealing cover are removed, so that the air inlet is connected with the air outlet pipe opening of the evaporator, and the air outlet is connected with the air inlet of the compressor; the compressor operates to pump air from the cylinder, the air to be treated with mixed liquid drops in the evaporator enters the cylinder from the air inlet, and the flow rate of the air to be treated is reduced in a container with an instant volume expansion due to different specific gravity of the air to be treated, the pure gas phase part accounting for a large proportion of the air to be treated enters the air flow channel of the inner cavity of the supporting pipe, the liquid drops in the gas phase sink and are separated from the air, reach the bottom of the cylinder, the liquid drops pass through the filter box and then are subjected to suction force from the evaporating tubule, and the liquid drops are changed into the gas to be mixed with the pure gas phase part to be discharged from the air outlet.
The invention has the advantages and beneficial effects that:
removing moisture in the gas to be treated through a drying agent in the molecular sieve bag; the arrangement of the filter box has a filtering effect on the gas from the evaporator; through the arrangement of the supporting tube and the infusion tube, negative pressure is formed in the cylinder body (the inner cavity of the supporting tube), so that gas to be treated mixed with liquid drops is separated from gas and liquid due to different gas-liquid specific weights; the evaporation tubule is arranged in the infusion tube, so that liquid drops at the filter box are also subjected to suction force from the compressor, the liquid drops are changed from liquid to gas, and the liquid drops are mixed into the pure meteorological part to enter the compressor; through the steps, the gas from the evaporator is subjected to gas-liquid separation, so that liquid refrigerant is prevented from entering the compressor, and lubrication is prevented from being damaged or a vortex plate is prevented from being damaged.
Drawings
Fig. 1a is a schematic diagram of the overall structure of the present invention.
FIG. 1b is a schematic view of the structure of the air inlet and the air outlet in FIG. 1 a.
Fig. 2 is a schematic view of a part of the structure of an infusion tube.
Fig. 3a is a schematic perspective view of the oil-blocking cover.
Fig. 3b is a schematic plan view of the oil-blocking cover.
Fig. 4a is a schematic side view of a support tube.
Fig. 4b is a schematic view of the upper end structure of the support tube.
Fig. 4c is a schematic view of the lower end structure of the support tube.
Fig. 5 is a schematic view of a molecular sieve bag structure.
Fig. 6a is a schematic side view of a filter cartridge.
Fig. 6b is a schematic diagram of the front view of the filter cartridge.
Wherein: 1 is a plugging cap, 2 is a sealing cover, 3 is a plugging cap, 4 is an oil blocking cover, 4-1 is a first inlet, 4-2 is a first outlet, 4-3 is a perfusion tube mounting groove, 4-4 is a convex round button, 4-5 is a concave grain, 5 is a cylinder, 6 is a molecular sieve bag, 6-1 is a bundling sleeve, 6-2 is a drying agent, 7 is a supporting tube, 7-1 is an inner cavity, 7-2 is a limiting disc, 7-3 is an air inlet port, 7-4 is an evaporation thin tube, 7-5 is a limiting plate, 7-6 is a bulge, 8 is a perfusion tube, 8-1 is a convex edge, 8-2 is a pressure equalizing hole, 9 is a filter box, and 10 is a bolt.
Other relevant drawings may be made by those of ordinary skill in the art from the above figures without undue burden.
Detailed Description
In order to make the person skilled in the art better understand the solution of the present invention, the following describes the solution of the present invention with reference to specific embodiments.
The utility model provides an automobile-used air conditioner gas-liquid separator, includes barrel 5, closing cap 2, hinders oily lid 4, transfer line 8, stay tube 7, molecular sieve bag 6 and filter box 9, the rigid coupling forms airtight container between barrel and the closing cap, is provided with air inlet and gas outlet on the closing cap, and this device installs between evaporimeter and compressor when using, and the air inlet is used for the intercommunication evaporimeter, and the gas outlet is used for the intercommunication compressor be provided with and hinder oily lid in airtight container one side near the closing cap, hinder to be formed with on the oily lid with air inlet and the first export 4-2 of the coincidence of gas outlet position, the first export and the closing cap Xiang Maojie of the infusion tube both ends opening, the one end of transfer line passes to hinder oily lid, and the stay tube cup joints in the outside of infusion tube, makes the evaporation tubule 7-4 that sets up in the stay tube bottom stretch into in the infusion tube, forms the air current passageway that the air feed body got into between infusion tube and the stay tube inner chamber, is provided with molecular sieve bag in the outside the body of the stay tube, sets up the filter box in the bottom of stay tube.
The oil blocking cover is provided with a convex round button 4-4 at the side of the first inlet at one side facing the inside of the cavity, and concave lines 4-5 extending to the periphery are arranged around the convex round button as the center, so that the effects of guiding air flow and increasing fluidity are achieved.
And a limiting disc 7-2 for positioning and fixing the support tube and the cylinder body is arranged on the outer edge of the middle part of the tube body of the support tube.
And a limiting plate 7-5 for limiting the infusion tube is arranged in the support tube body and extends from the bottom of the support tube body to the middle of the support tube body.
The bottom of the limiting plate is provided with a bulge 7-6 which is used for being clamped at the bottom of the infusion tube, so that a 10mm interval is reserved between the infusion tube and the bottom surface of the inner cavity of the supporting tube.
A raised edge 8-1 for being in butt joint installation with the oil blocking cover is arranged on one side of the infusion tube close to the air outlet.
The side surface of the pipe body of the side of the infusion pipe, which is close to the air outlet, is provided with a pressure equalizing hole 8-2, and the pressure equalizing hole is used for avoiding the siphoning phenomenon in the support pipe when liquid refrigerant is accumulated at the bottom of the support pipe (usually when the compressor is restarted after the compressor is not operated for a long time).
A molecular sieve bag is arranged outside the tube body of the support tube, and a drying agent 6-2 is arranged in the molecular sieve bag for removing water in the tube body so as to keep the tube body dry. The sewing thread adopts white nylon or polyester sewing thread, the stitch length is 1.5-2mm, the double-thread sewing is carried out, the stitch length is 5mm from the short edge and 10mm from the long edge, the needle lifting and retracting position of the drying agent bag needs to be reversed by 8-10mm during sewing, and the thread stripping phenomenon is prevented; leaving a port to be not sewn, loading 50g of molecular sieve, and then sewing, wherein the needle lifting position needs to be reversed by 8-10mm when the molecular sieve is sewn, so that the thread stripping phenomenon is prevented; the drying agent is put into the bag and is immediately put into the self-sealing bag for sealing after being sewn, and the two sides of the molecular sieve bag form strapping sleeves 6-1 through sewing threads for the sewing threads to pass through to tie the molecular sieve bag on the pipe body of the supporting pipe.
And a sealing cap for sealing is arranged in the air inlet and the air outlet of the sealing cover.
The diameter of the evaporating tubule is 1-2mm, and the length is 1/3-1/2 of the total length of the supporting tube.
The connection mode of each component is as follows: the cylinder body is connected with the sealing cover in a welding mode. The supporting tube is fixedly connected with the infusion tube through interference fit. The filter box is fixedly connected with the support tube through interference fit.
Assembling of a vehicle air conditioner gas-liquid separator:
one end of the infusion tube penetrates through a first outlet inserted into the oil blocking cover, and the infusion tube penetrating through the oil blocking cover is riveted on the sealing cover; the support pipe is sleeved on the infusion pipe, and the support pipe and the infusion pipe are connected in interference fit, so that the evaporation tubules arranged at the two ends of the bottom of the support pipe extend into the infusion pipe, and an air flow channel for air to enter is formed between the infusion pipe and the inner cavity of the support pipe; mounting the filter box at the bottom of the support tube; binding the molecular sieve bags on the tube body of the support tube through binding belts at two ends; welding the cylinder body and the plugging cap; the 2 plugging caps are plugged into the air inlet and the air outlet of the sealing cover respectively, so that the water vapor is prevented from entering the cylinder body in the running process of the equipment.
The operation process of the air-conditioning gas-liquid separator for the vehicle is as follows:
when the evaporator is used, the blocking caps of the air inlet and the air outlet of the sealing cover are removed, so that the air inlet is connected with the air outlet pipe opening of the evaporator, and the air outlet is connected with the air inlet of the compressor; the compressor operates to pump air from the cylinder, the air to be treated with mixed liquid drops in the evaporator enters the cylinder from the air inlet, the flow rate of the air to be treated is reduced in a container with an instant volume expansion due to different specific gravity of the air to be treated, the pure gas phase part accounting for a large proportion in the air to be treated enters the air flow channel of the inner cavity of the supporting tube, the liquid drops in the gas phase sink and are separated from the air, the liquid drops reach the bottom of the cylinder, after passing through the filter box, the liquid drops are sucked from the evaporating tubule, the liquid drops are changed into the gas to enter the infusion tube from the liquid state to be mixed with the pure gas phase part and then discharged from the air outlet, and the liquid drops in the air are removed through the process.
Because the frozen oil is also separated and accumulated at the bottom in the separation process, an oil hole is formed in the outlet pipe and the bottom of the gas-liquid separator, so that the frozen oil can be ensured to return to compression, and the oil shortage of the compressor is avoided; returning the lubricant oil in the gas-liquid separator to the compressor temporarily stores excess refrigerant liquid and also prevents the excess refrigerant from flowing to the compressor crankcase to cause dilution of the oil.
While the invention has been described by way of example, it should be noted that any simple variations, modifications, or other equivalent which would not take the inventive effort by those skilled in the art will fall within the scope of the invention without departing from the gist of the invention.
Claims (10)
1. The utility model provides an automobile-used air conditioner gas-liquid separator which characterized in that: the sealing device comprises a barrel, a sealing cover, an oil blocking cover, a liquid conveying pipe, a supporting pipe, a molecular sieve bag and a filtering box, wherein a sealing container is formed by fixedly connecting the barrel and the sealing cover, an air inlet and an air outlet are formed in the sealing cover, the oil blocking cover is arranged on one side, close to the sealing cover, in the sealing container, a first inlet and a first outlet which are overlapped with the air inlet and the air outlet are formed in the oil blocking cover, two ends of the liquid conveying pipe are opened, one end of the liquid conveying pipe penetrates through the first outlet of the oil blocking cover and the sealing cover Xiang Maojie, the supporting pipe is sleeved outside the liquid conveying pipe, an evaporation thin pipe arranged at the bottom of the supporting pipe extends into the liquid conveying pipe, an air flow channel for air entering is formed between the liquid conveying pipe and an inner cavity of the supporting pipe, the molecular sieve bag is arranged outside the pipe of the supporting pipe, and the filtering box is arranged at the bottom of the supporting pipe.
2. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: the oil blocking cover is provided with a convex round button at the side of the first inlet at one side facing the inside of the cavity, and concave lines extending to the periphery are arranged around the convex round button as the center.
3. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: and a limiting disc for positioning and fixing the support tube and the cylinder body is arranged on the outer edge of the middle part of the tube body of the support tube.
4. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: the inside limiting plate that is used for carrying out spacing to the transfer line that is provided with of stay tube body, limiting plate extends to the body middle part from stay tube body bottom, and limiting plate's length is 1/3-1/2 of stay tube total length.
5. The air-conditioning gas-liquid separator for vehicles according to claim 4, wherein: the bottom of the limiting plate is provided with a bulge which is used for being clamped at the bottom of the infusion tube, so that a space is reserved between the infusion tube and the bottom surface of the inner cavity of the supporting tube, and the space is 8-12mm.
6. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: a convex edge for being in butt joint installation with the oil blocking cover is arranged on one side of the infusion tube close to the air outlet.
7. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: the side surface of the pipe body of the side of the infusion pipe, which is close to the air outlet, is provided with a pressure equalizing hole.
8. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: the molecular sieve bag is internally provided with a drying agent and is bound on the tube body of the supporting tube through binding belts arranged at two ends.
9. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: and a sealing cap for sealing is arranged in the air inlet and the air outlet of the sealing cover.
10. The air-conditioning gas-liquid separator for vehicles according to claim 1, wherein: the diameter of the evaporating tubule is 1-2mm, and the length is 1/3-1/2 of the total length of the supporting tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810433199.5A CN108413664B (en) | 2018-05-08 | 2018-05-08 | Air-conditioning gas-liquid separator for vehicle |
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CN201810433199.5A CN108413664B (en) | 2018-05-08 | 2018-05-08 | Air-conditioning gas-liquid separator for vehicle |
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CN108413664A CN108413664A (en) | 2018-08-17 |
CN108413664B true CN108413664B (en) | 2024-02-02 |
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CN201810433199.5A Active CN108413664B (en) | 2018-05-08 | 2018-05-08 | Air-conditioning gas-liquid separator for vehicle |
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CN113977207A (en) * | 2021-12-01 | 2022-01-28 | 天津双昊车用空调有限公司 | Processing technology of gas-liquid separator integrated barrel |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5575833A (en) * | 1992-09-25 | 1996-11-19 | Parker-Hannifin Corporation | Refrigerant recycling system and apparatus |
JPH1194403A (en) * | 1997-09-19 | 1999-04-09 | Matsushita Electric Ind Co Ltd | Gas-liquid separator of refrigerating cycle device |
CN2760470Y (en) * | 2004-12-31 | 2006-02-22 | 上海三电贝洱汽车空调有限公司 | Liquid-gas separator |
DE102013100884A1 (en) * | 2013-01-29 | 2014-09-18 | Denso Corporation | Internal heat exchanger with desiccant |
CN208296400U (en) * | 2018-05-08 | 2018-12-28 | 和龙双昊高新技术有限公司 | A kind of car air-conditioner gas-liquid separator |
-
2018
- 2018-05-08 CN CN201810433199.5A patent/CN108413664B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5575833A (en) * | 1992-09-25 | 1996-11-19 | Parker-Hannifin Corporation | Refrigerant recycling system and apparatus |
JPH1194403A (en) * | 1997-09-19 | 1999-04-09 | Matsushita Electric Ind Co Ltd | Gas-liquid separator of refrigerating cycle device |
CN2760470Y (en) * | 2004-12-31 | 2006-02-22 | 上海三电贝洱汽车空调有限公司 | Liquid-gas separator |
DE102013100884A1 (en) * | 2013-01-29 | 2014-09-18 | Denso Corporation | Internal heat exchanger with desiccant |
CN208296400U (en) * | 2018-05-08 | 2018-12-28 | 和龙双昊高新技术有限公司 | A kind of car air-conditioner gas-liquid separator |
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