CN115091927A - Centrifugal force-based vehicle-mounted air conditioner gas-liquid separator - Google Patents
Centrifugal force-based vehicle-mounted air conditioner gas-liquid separator Download PDFInfo
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- CN115091927A CN115091927A CN202210698811.8A CN202210698811A CN115091927A CN 115091927 A CN115091927 A CN 115091927A CN 202210698811 A CN202210698811 A CN 202210698811A CN 115091927 A CN115091927 A CN 115091927A
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- 239000007788 liquid Substances 0.000 title claims abstract description 89
- 238000000926 separation method Methods 0.000 claims abstract description 47
- 239000011324 bead Substances 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000003801 milling Methods 0.000 claims abstract description 5
- 239000012071 phase Substances 0.000 claims description 21
- 230000005484 gravity Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 13
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
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- 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
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention belongs to the technical field of automobile air-conditioning compressors, and particularly relates to a centrifugal force-based vehicle-mounted air-conditioning gas-liquid separator which comprises a cylindrical shell, wherein the shell is provided with an opening part, an air inlet pipe, a separation flow passage and a bottom part; the head part is provided with an air outlet channel, an air outlet and a cover body; the shell and the head are welded into a whole through a welding bead, and the welding bead is positioned at the contact part of the opening part and the cover body; the separation flow channel and the shell form a whole through a welding bead; the structure of the air outlet channel is in a double-pipe form, the double-pipe is composed of an inner pipe, an outer pipe and a reinforcing rib, and the inner pipe and the outer pipe form the double-pipe through the reinforcing rib; one end of the outer pipe is milled out of a fixed groove by a milling machine, the structure is reasonable, liquid drops in the circulating working medium can be filtered, and in the separation process, the frozen oil is recycled to the compressor. The spiral separation flow channel is matched with the wall surface of the separator to separate the mixed gas, and the double-pipe type gas recovery flow channel is adopted to improve the gas separation efficiency.
Description
Technical Field
The invention relates to the technical field of automobile air conditioner compressors, in particular to a centrifugal force-based vehicle-mounted air conditioner gas-liquid separator.
Background
Modern automotive air conditioning compressors have liquid densities tens or hundreds of times that of gas, so the kinetic energy of the liquid as it flows is much greater than that of gas, and so a pulsating sound is produced. The liquid can not be compressed, when a large amount of liquid is extruded by the compressor piston to pass through the rigid valve plate, the impact strength on the valve plate is far higher than that of gas, the frequency is higher, the destructiveness of the rigid valve plate is self-evident, the deformation and the fracture of the valve plate are one of the typical characteristics of the liquid impact phenomenon, and the performance of the compressor is greatly reduced after the valve plate is damaged. Different from shaft seizing and cylinder seizure caused by poor lubrication, the damage of the air conditioner compressor caused by the liquid impact phenomenon is usually point damage which mainly includes fracture and impact injury.
When the air conditioner compressor works, before gas enters the compressor, the key point for reducing the phenomenon of liquid impact is to separate liquid drops in the gas phase. The gas-liquid separation technology is a technology for separating mist or liquid droplets from a gas flow. The mechanisms of gas-liquid separation techniques include gravity settling, inertial collision, centrifugal separation, electrostatic attraction, diffusion, etc., and many practical gas-liquid separators, such as gravity settlers, fiber filtration separators, cyclone separators, etc., have been developed based on these mechanisms. The gas-liquid separator has the basic function of separating and preserving refrigerant liquid in a return gas pipe in a refrigeration system so as to prevent a liquid impact phenomenon of a compressor. Thus, it can temporarily store excess refrigerant liquid and also prevent excess refrigerant from flowing to the compressor crankcase causing dilution of the oil. Because the refrigerant and the lubricating oil are mutually soluble, the lubricating oil of the compressor enters a refrigerating system along with the circulation of the refrigerant and is mainly accumulated in the low-temperature and low-pressure gas-liquid separator. If the lubricating oil is not returned to the compressor, the lubricating oil in the compressor continuously migrates to the gas-liquid separator over time, so that the compressor is dry-burned due to lack of the lubricating oil, and the system fails.
The gas-liquid separator mainly has the function of removing liquid substances carried in gas, and has the most common gravity type and centrifugal type, and the principle of the gravity type gas-liquid separator is that the liquid is separated from the gas by gravity settling when not reaching an exhaust port by utilizing the difference between the settling velocity of the liquid and the rising flow velocity of the gas; it has simple structure, convenient manufacture and large operation elasticity. However, a long residence time is required, so the separator is bulky, heavy, high in investment, poor in separation effect, and only capable of separating large droplets.
The gas-liquid centrifugal separation mainly refers to gas-liquid cyclone separation, and because the centrifugal force can reach tens of times or more of gravity, the centrifugal force is utilized to separate liquid drops in gas flow. The density of gas and liquid is different, and when liquid and gas rotate together and flow, the centrifugal force field generated by strong cyclone is used to make the phases with different densities move relatively, and the liquid is subjected to centrifugal force which is greater than that of gas, so that the liquid collides with the wall surface of the cylinder and adheres to the cylinder, and the separation purpose is achieved under the action of gravity. It can separate smaller droplets with higher efficiency than gravity separation. The device has the characteristics of short retention time, small equipment volume and occupied area, easy installation, flexible operation, stable and continuous operation, no easily-damaged parts, convenient maintenance and the like. The types of the method mainly include: a pipe column type gas-liquid cyclone separator, a spiral-fin flow-guiding type gas-liquid separator and a pipeline type gas-liquid cyclone separator.
For this reason, we propose a centrifugal force-based on-board air conditioner gas-liquid separator.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art.
Therefore, the invention aims to provide a centrifugal force-based vehicle-mounted air conditioner gas-liquid separator which can filter out liquid drops in a circulating working medium and recover refrigeration oil to a compressor in the separation process. The spiral separation flow channel is matched with the wall surface of the separator to separate the mixer, and the double-pipe type gas recovery flow channel is adopted to improve the gas separation efficiency.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a vehicle-mounted air-conditioning gas-liquid separator based on centrifugal force comprises a cylindrical shell, wherein the shell is provided with an opening part, an air inlet pipe, a separation flow passage and a bottom part; the head part is provided with an air outlet channel, an air outlet and a cover body; the shell and the head are welded into a whole through a welding bead, and the welding bead is positioned at the contact part of the opening part and the cover body; the separation flow passage is integrated with the shell through a welding bead; the structure of the air outlet channel is in a double-pipe form, the double-pipe is composed of an inner pipe, an outer pipe and a reinforcing rib, and the inner pipe and the outer pipe form the double-pipe through the reinforcing rib; milling a fixed groove at one end of the outer pipe by using a milling machine, wherein the fixed groove is used for executing and limiting the displacement of the umbrella-shaped gas-liquid separation component, and the umbrella-shaped gas-liquid separation component is provided with a filtering hole; the outer tube is fixed with the filter through interference fit, the filter contains a filter screen, and the bottom of the filter is in contact with the bottom of the shell.
As a preferable aspect of the centrifugal force-based on-vehicle air conditioner gas-liquid separator according to the present invention, wherein: the shell is integrally sand cast.
As a preferable aspect of the centrifugal force-based on-vehicle air conditioner gas-liquid separator according to the present invention, wherein: the mixer tangentially enters the gas-liquid separator from the gas inlet pipe at a speed V, and moves around the shaft at an angular speed W under the action of a wall surface; according to different centrifugal forces generated by different phases, the gas phase and the liquid phase form vortex in the separation flow channel and are separated gradually, and then under the action of gravity, the night phase is deposited in the separation flow channel and flows to the bottom along the flow channel; the gas phase and the liquid phase are separated, enter the double-pipe in the direction a and leave the gas-liquid separator from the gas outlet channel.
As a preferable aspect of the centrifugal force-based on-vehicle air conditioner gas-liquid separator according to the present invention, wherein: the gas phase passes through the double pipe, so that the internal pressure of the double pipe is lower than the external pressure, and the cooling oil deposited at the bottom of the cylindrical shell is sucked by the gas, enters the double pipe through the filter and the filter holes, is finally mixed into the gas phase, and leaves the gas-liquid separator.
As a preferable aspect of the centrifugal force-based on-vehicle air conditioner gas-liquid separator according to the present invention, wherein: the umbrella-shaped gas-liquid separation part removes impurities in the passing cooling oil, and prevents the impurities from entering the compressor and damaging the compressor.
As a preferable aspect of the centrifugal force-based on-vehicle air conditioner gas-liquid separator according to the present invention, wherein: the separation flow passage is of a spiral structure, rotates around an axis, has an irregular section, can be divided into a rectangular part and a curved surface, and has the top end tangent to the air inlet channel.
Compared with the prior art, the invention has the beneficial effects that: the liquid drops in the circulating working medium can be filtered, and the refrigeration oil is recycled to the compressor in the separation process. The spiral separation flow channel is matched with the wall surface of the separator to separate the mixer, and the double-pipe type gas recovery flow channel is adopted to improve the gas separation efficiency. The liquid drop separating device is mainly used for gas-liquid separation of the automobile air conditioner, has practical significance in reducing the phenomenon of liquid impact generated by an automobile air conditioner compressor, not only improves the efficiency of the gas-liquid separator for separating liquid drops, but also reduces materials required in the processing process, and can realize the recovery of the refrigeration oil. The mixed gas generates a vortex field, and gas and liquid are separated by utilizing different phase centrifugal forces. The larger the radius of the liquid drop is, the larger the centrifugal force is, so that the separation efficiency is higher than that of a heavy force type. The wall surface of the cylinder part outside the gas outlet channel of the gas-liquid separator is used as a part of the gas channel, so that less materials are needed in the processing process. And a refrigerating oil passing hole is reserved at the bottom of the air outlet channel, and refrigerating oil is recovered to lubricate the compressor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention.
In the figure; 1. a head portion; 2 a cylindrical housing; 3 separating the flow channel; 4, bottom; 5, a filter; 6, filtering by a filter screen; 7 an umbrella-shaped gas-liquid separation member; 8, an outer tube; 9 an inner tube; 10 filtering holes; 11 fixing grooves; 12 air inlet channels; 13, an arc-shaped flow passage; 14 reinforcing ribs; 15 the air inlet channel and the shell are in line of inertia; 16 air outlet channels; 17 an opening part; 18 air outlet; 19 a cover body; 20 double tubes.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific details disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
A vehicle-mounted air conditioner gas-liquid separator based on centrifugal force comprises a cylindrical shell 2, wherein the shell 2 is provided with an opening part 17, an air inlet pipe 12, a separation flow passage 3 and a bottom part 4; the head part 1 is also included, and the head part 1 is provided with an air outlet channel 16, an air outlet 18 and a cover body 19; the shell 2 and the head 1 are welded into a whole by a welding bead, and the welding bead is positioned at the contact part of the opening part 17 and the cover body 19; the separation flow passage 3 is formed integrally with the housing 2 by a weld bead; the structure of the air outlet channel 16 is in a double-pipe 20 form, the double-pipe 20 is composed of an inner pipe 9, an outer pipe 8 and reinforcing ribs, and the inner pipe 9 and the outer pipe 8 form the double-pipe through the reinforcing ribs 14; one end of the outer pipe 8 is milled with a fixed groove 11 by a milling machine, the fixed groove 11 is used for limiting the displacement of the umbrella-shaped gas-liquid separation component 7, and the umbrella-shaped gas-liquid separation component 7 is provided with a filtering hole 10; the outer tube 8 is fixed with the filter 5 by interference fit, the filter 5 contains a filter screen 6, and the bottom of the filter 5 is contacted with the bottom 4 of the shell 2.
Further, the shell 2 is integrally sand-cast; the mixer enters the gas-liquid separator tangentially from the gas inlet pipe 12 at a speed V, and moves around the shaft at an angular speed W under the action of the wall surface; according to different centrifugal forces generated by different phases, the gas phase and the liquid phase form vortex in the separation flow channel 3 and are separated gradually, and then under the action of gravity, the night phase is deposited in the separation flow channel 3 and flows to the bottom along the flow channel; the gas phase is separated from the liquid phase, enters the double-pipe 20 in the direction a, and leaves the gas-liquid separator from the gas outlet channel; the gas phase passes through the double pipe 20, so that the internal pressure of the double pipe 20 is lower than the external pressure, and the cooling oil deposited on the bottom 4 of the cylindrical shell 2 is sucked by the gas, enters the double pipe 20 through the filter 5 and the filter holes 10, is finally mixed into the gas phase and leaves the gas-liquid separator; the umbrella-shaped gas-liquid separation part 7 is used for removing impurities in the passing cooling oil, so that the impurities are prevented from entering the compressor and damaging the compressor; the separation flow passage 3 is of a spiral structure, rotates around an axis, has an irregular section, can be divided into a rectangular part and a curved surface, and has the top end tangent to the air inlet channel.
The working principle of the invention is practically applied to reduce the liquid impact phenomenon generated by the automobile air-conditioning compressor, has practical significance, not only improves the efficiency of separating liquid drops by the gas-liquid separator, but also reduces the materials required in the processing process and can realize the recovery of the refrigeration oil. The device is a mechanism that the mixed gas generates a vortex field, and gas-liquid two-phase separation is realized by utilizing different phase centrifugal forces. The larger the radius of the liquid drops, the larger the centrifugal force applied to the liquid drops, so that the separation efficiency is higher. The wall surface of the cylinder part outside the gas outlet channel of the gas-liquid separator is used as a part of the gas channel, so that less materials are needed in the processing process. The bottom of the gas outlet channel is provided with a refrigerating oil flowing hole for recovering the refrigerating oil to lubricate the compressor
While the invention has been described with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a vehicle-mounted air conditioner vapour and liquid separator based on centrifugal force which characterized in that: comprises a cylindrical housing (2), wherein the housing (2) is provided with an opening part (17), an air inlet pipe (12), a separation flow passage (3) and a bottom part (4); the air purifier also comprises a head part (1), wherein the head part (1) is provided with an air outlet channel (16), an air outlet (18) and a cover body (19); the shell (2) and the head (1) are welded into a whole through a welding bead, and the welding bead is positioned at the contact part of the opening part (17) and the cover body (19); the separation flow channel (3) is integrated with the shell (2) through a welding bead; the structure of the air outlet channel (16) is in a double-pipe (20) form, the double-pipe (20) is composed of an inner pipe (9), an outer pipe (8) and reinforcing ribs, and the inner pipe (9) and the outer pipe (8) form the double-pipe through the reinforcing ribs (14); one end of the outer pipe (8) is milled with a fixed groove (11) by a milling machine, the fixed groove (11) is used for limiting the displacement of the umbrella-shaped gas-liquid separation component (7), and the umbrella-shaped gas-liquid separation component (7) is provided with a filtering hole (10); outer tube (8) are fixed through interference fit with filter (5), and filter (5) contain filter screen (6), and filter (5) bottom contacts with casing (2) bottom (4).
2. The centrifugal force-based vehicle-mounted air conditioner gas-liquid separator according to claim 1, wherein: the shell (2) is integrally sand-cast.
3. The centrifugal force-based vehicle-mounted air conditioner gas-liquid separator according to claim 1, wherein: the mixer tangentially enters the gas-liquid separator from the gas inlet pipe (12) at a speed V, and moves at an angular speed W around the shaft under the action of a wall surface; according to different centrifugal forces generated by different phases, the gas phase and the liquid phase form vortex in the separation flow channel (3) and are separated gradually, and then the liquid phase is deposited in the separation flow channel (3) and flows to the bottom along the flow channel under the action of gravity; the gas phase is separated from the liquid phase, enters the double pipe (20) in the direction of a, and leaves the gas-liquid separator from the gas outlet channel.
4. The centrifugal force-based vehicle-mounted air conditioner gas-liquid separator according to claim 1, wherein: the gas phase passes through the double pipe (20) so that the internal pressure of the double pipe (20) is lower than the external pressure, and the cooling oil deposited on the bottom (4) of the cylindrical shell (2) is sucked by the gas, enters the double pipe (20) through the filter (5) and the filter holes (10), is finally mixed into the gas phase, and leaves the gas-liquid separator.
5. The centrifugal force-based on-board air conditioner gas-liquid separator according to claim 1, characterized in that: the umbrella-shaped gas-liquid separation component (7) removes impurities in the passing cooling oil, and prevents the impurities from entering the compressor and damaging the compressor.
6. The centrifugal force-based on-board air conditioner gas-liquid separator according to claim 1, characterized in that: the separation flow passage (3) is of a spiral structure, rotates around an axis, has an irregular section, can be divided into a rectangular part and a curved surface, and has the top end tangent to the air inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210698811.8A CN115091927A (en) | 2022-06-20 | 2022-06-20 | Centrifugal force-based vehicle-mounted air conditioner gas-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210698811.8A CN115091927A (en) | 2022-06-20 | 2022-06-20 | Centrifugal force-based vehicle-mounted air conditioner gas-liquid separator |
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| Publication Number | Publication Date |
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| CN115091927A true CN115091927A (en) | 2022-09-23 |
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| CN202210698811.8A Pending CN115091927A (en) | 2022-06-20 | 2022-06-20 | Centrifugal force-based vehicle-mounted air conditioner gas-liquid separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118371045A (en) * | 2024-06-25 | 2024-07-23 | 河南丰收新能源车辆集团有限公司 | Negative pressure pump |
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| CN204084982U (en) * | 2014-09-11 | 2015-01-07 | 天津大学 | A kind of foam metal centrifugal oil separator |
| CN104534751A (en) * | 2015-02-02 | 2015-04-22 | 珠海格力电器股份有限公司 | Oil separator and air conditioning device |
| JP2016151381A (en) * | 2015-02-17 | 2016-08-22 | デンゲン株式会社 | Oil separator for refrigerant recovery charging |
| JP2017015366A (en) * | 2015-07-06 | 2017-01-19 | 株式会社不二工機 | accumulator |
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| CN110849048A (en) * | 2019-12-10 | 2020-02-28 | 上海交通大学 | Gas-liquid separator for automobile heat pump air conditioner |
| CN112013578A (en) * | 2019-05-31 | 2020-12-01 | 现代自动车株式会社 | Gas-liquid separation device for vehicle |
| CN212205175U (en) * | 2020-04-17 | 2020-12-22 | 广东美的白色家电技术创新中心有限公司 | Oil separator, compressor unit spare and heat exchange equipment |
-
2022
- 2022-06-20 CN CN202210698811.8A patent/CN115091927A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204084982U (en) * | 2014-09-11 | 2015-01-07 | 天津大学 | A kind of foam metal centrifugal oil separator |
| CN104534751A (en) * | 2015-02-02 | 2015-04-22 | 珠海格力电器股份有限公司 | Oil separator and air conditioning device |
| JP2016151381A (en) * | 2015-02-17 | 2016-08-22 | デンゲン株式会社 | Oil separator for refrigerant recovery charging |
| JP2017015366A (en) * | 2015-07-06 | 2017-01-19 | 株式会社不二工機 | accumulator |
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| CN212205175U (en) * | 2020-04-17 | 2020-12-22 | 广东美的白色家电技术创新中心有限公司 | Oil separator, compressor unit spare and heat exchange equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118371045A (en) * | 2024-06-25 | 2024-07-23 | 河南丰收新能源车辆集团有限公司 | Negative pressure pump |
| CN118371045B (en) * | 2024-06-25 | 2024-08-23 | 河南丰收新能源车辆集团有限公司 | Negative pressure pump |
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