CN108413664B - Air-conditioning gas-liquid separator for vehicle - Google Patents

Air-conditioning gas-liquid separator for vehicle Download PDF

Info

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
Authority
CN
China
Prior art keywords
air
gas
tube
liquid
pipe
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.)
Active
Application number
CN201810433199.5A
Other languages
Chinese (zh)
Other versions
CN108413664A (en
Inventor
田正新
谢凯
徐敏武
徐景峰
徐巍
邓芳园
曲德龙
麦雷
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.)
Helong Shuanghao High Tech Co ltd
Original Assignee
Helong Shuanghao High Tech Co ltd
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 Helong Shuanghao High Tech Co ltd filed Critical Helong Shuanghao High Tech Co ltd
Priority to CN201810433199.5A priority Critical patent/CN108413664B/en
Publication of CN108413664A publication Critical patent/CN108413664A/en
Application granted granted Critical
Publication of CN108413664B publication Critical patent/CN108413664B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements 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

Air-conditioning gas-liquid separator for vehicle
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.
CN201810433199.5A 2018-05-08 2018-05-08 Air-conditioning gas-liquid separator for vehicle Active CN108413664B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810433199.5A CN108413664B (en) 2018-05-08 2018-05-08 Air-conditioning gas-liquid separator for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810433199.5A CN108413664B (en) 2018-05-08 2018-05-08 Air-conditioning gas-liquid separator for vehicle

Publications (2)

Publication Number Publication Date
CN108413664A CN108413664A (en) 2018-08-17
CN108413664B true CN108413664B (en) 2024-02-02

Family

ID=63138191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810433199.5A Active CN108413664B (en) 2018-05-08 2018-05-08 Air-conditioning gas-liquid separator for vehicle

Country Status (1)

Country Link
CN (1) CN108413664B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN108413664A (en) 2018-08-17

Similar Documents

Publication Publication Date Title
JP3249117B2 (en) Oil recovery device for low capacity operation of cooling system
CN108413664B (en) Air-conditioning gas-liquid separator for vehicle
CN207963247U (en) A kind of gas-liquid separator
CN102678572B (en) Air conditioner and motor precooling low-backpressure compressor thereof
US6318116B1 (en) Plastic internal accumulator-dehydrator baffle
JPH0540308Y2 (en)
CN208296400U (en) A kind of car air-conditioner gas-liquid separator
US6155072A (en) Snap on desiccant bag
CN107917560A (en) A kind of car air-conditioner reservoir
CN208504808U (en) A kind of integral type return line and the air conditioning for automobiles liquid-gas separator with the integral type return line
CN217110102U (en) Air-conditioning refrigeration system
CN214371113U (en) Multifunctional high-efficiency energy-saving separator
CN215719311U (en) Pump station compression drainage integration formula compressor
CN202228309U (en) Oil extraction and injection device for compressor
CN208936599U (en) Horizontal liquid storage device
CN108168164A (en) A kind of ammonia refrigeration system gas-liquid separation oil return equipment
CN203798041U (en) Liquid separator and air conditioner with same
CN207999973U (en) A kind of ammonia refrigeration system gas-liquid separation oil return equipment
CN2760282Y (en) Liquid reservoir integrated air conditioner compressor
CN206222749U (en) Oil return microcapillary tube line structure
CN209430368U (en) Lubricating oil storage device and compressor
CN208564976U (en) A kind of parallel module formula medical air compressor group
CN107588581B (en) Heat pump unit system and flash tank structure thereof
CN206709434U (en) Freezing type drier refrigeration system
CN208831168U (en) A kind of single machine compression with double stage unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant