CN116146458A - Fixed displacement automobile air conditioner compressor with electric control oil return function - Google Patents
Fixed displacement automobile air conditioner compressor with electric control oil return function Download PDFInfo
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- CN116146458A CN116146458A CN202310401503.9A CN202310401503A CN116146458A CN 116146458 A CN116146458 A CN 116146458A CN 202310401503 A CN202310401503 A CN 202310401503A CN 116146458 A CN116146458 A CN 116146458A
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- check valve
- cylinder body
- fixed displacement
- air conditioner
- pressure chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0207—Lubrication with lubrication control systems
Abstract
The utility model provides a fixed displacement vehicle air conditioner compressor with automatically controlled oil return function, belong to vehicle air conditioner compressor field, including clutch assembly and cylinder body, the cylinder body comprises the protecgulum, preceding cylinder body, back cylinder body and back lid, install the automatically controlled check valve of control intercommunication in the cylinder body between exhaust high pressure chamber and the low pressure chamber of breathing in, automatically controlled check valve sets up in the lower part in exhaust high pressure chamber, by vehicle power drive with clutch assembly coordinated control switch on or close, in fixed displacement vehicle air conditioner compressor refrigeration work's intermittent type period, return the lubricating oil water conservancy diversion that deposits in the exhaust high pressure chamber in the low pressure chamber of breathing in, reduce the lubricating oil entering refrigerant participation system circulation proportion, increase cylinder body internal lubricating oil reserve and cyclic utilization proportion, the enhancement operational reliability, reduce the wearing and tearing destroy, increase life, still can reduce the inside initial oil filling of fixed displacement vehicle air conditioner compressor cylinder body simultaneously, innovative design structure improves working property, improve product quality, realize energy-conserving cost reduction.
Description
Technical Field
The invention relates to an automobile air conditioner compressor, in particular to a fixed displacement automobile air conditioner compressor with an electric control oil return function.
Background
The working principle of the fixed displacement swash plate piston type compressor of the automobile air conditioner is that the swash plate is fixedly arranged on a main shaft, the upper surface and the lower surface of the swash plate are supported by steel balls and are assembled in grooves on pistons, when the main shaft rotates, the swash plate rotates along with the pistons, and then the pistons are pushed to do axial reciprocating motion, so that the circulation of sucking air, compressing refrigerants and exhausting air is completed, and the swash plate can be divided into unidirectional type and bidirectional type according to the motion mode of the pistons. In the working process of a fixed displacement swash plate piston type compressor, a main shaft, a swash plate, a steel ball bearing, a piston and other kinematic pairs need lubricating oil to participate in lubrication and cooling, abrasion or high-temperature deformation among the kinematic pairs is reduced, however, the lubricating oil filled in a cylinder body assembly is generally fused in a circulating refrigerant and runs to the whole air conditioning system along with the circulating refrigerant, after the compressor stops running, the lubricating oil can be scattered in the air conditioning circulating system, only a small part of the lubricating oil can be scattered in the compressor pump body assembly, when the air conditioner is started, the moving parts in the compressor pump body assembly are extremely likely to be worn and damaged or generate high Wen Xianxiang due to instant oil shortage caused by the fact that the lubricating oil cannot timely participate in lubrication, so that the damage and failure of the moving parts are extremely easy to occur for a long time, the refrigerating effect is influenced, and the service life of the compressor is also reduced under severe conditions, so that the quality of the fixed displacement swash plate piston type compressor is influenced. Therefore, it is necessary to research and develop a fixed displacement swash plate piston compressor with a high-efficiency oil return system, solve the initial lubrication problem of moving parts of the compressor, improve the working reliability of the fixed displacement swash plate piston compressor, reduce abrasion damage, prolong service life, and simultaneously, along with the improvement of the service efficiency of lubricating oil, properly reduce the oil injection quantity in the compressor, improve the operation efficiency of an air conditioning system, save energy, reduce cost and improve quality.
Disclosure of Invention
The invention aims to provide a fixed displacement automobile air conditioner compressor with an electric control oil return function, which aims at solving the problems of poor initial lubrication caused by uncontrollable oil return of automobile air conditioner compressor lubricating oil and insufficient oil return in the prior art, reduces abrasion damage and prolongs service life.
A fixed displacement automotive air conditioning compressor with electronically controlled oil return function, comprising: the clutch assembly 20 and the cylinder body, the cylinder body comprises protecgulum 1, preceding cylinder body 2, back cylinder body 3 and back lid 4 the interior structural exhaust high pressure chamber of cylinder body and inhale the automatically controlled check valve of control intercommunication are installed between the low pressure chamber of inhaling, automatically controlled check valve sets up in the lower part in exhaust high pressure chamber, by on-vehicle power E drive with clutch assembly 20 linkage control switches on or closes, when clutch assembly 20 inhales, automatically controlled check valve closes, when clutch assembly 20 breaks off, automatically controlled check valve switches on, can make when automatically controlled check valve switches on exhaust high pressure chamber with inhale the low pressure chamber intercommunication each other, the lubricating oil that deposits in the exhaust high pressure chamber can follow the bottom position to inhale in the low pressure chamber under the fixed displacement vehicle air conditioner compressor service condition with automatically controlled oil return function, guarantee that lubricating oil is fully discharged from the exhaust high pressure chamber and is backward flow to inhale in the low pressure chamber, reduce and participate in the initial cycle efficiency of lubricating oil refrigerant, increase and utilize lubricating effect of lubricating oil circulation part.
The fixed displacement automobile air conditioner compressor with the electric control oil return function preferably comprises: the first electronic control check valve 6 and the second electronic control check valve 5, the first electronic control check valve 6 is arranged on the front cover 1, controls and communicates the front cover exhaust high pressure cavity 12 and the front cover suction low pressure cavity 14, the second electronic control check valve 5 is arranged on the rear cover 4, controls and communicates the rear cover exhaust high pressure cavity 11 and the rear cover suction low pressure cavity 13, so that the front cover exhaust high pressure cavity 12 and the rear cover exhaust high pressure cavity 11 at two ends of the cylinder body simultaneously have the backflow function of controlling lubricating oil to the corresponding front cover suction low pressure cavity 14 and rear cover suction low pressure cavity 13 respectively, the controllable backflow amount of lubricating oil in a refrigerant circulation system is improved to the maximum extent, and the cyclic utilization rate of the lubricating oil is further increased.
The fixed displacement automobile air conditioner compressor with the electric control oil return function is further characterized in that funnel-shaped guide curved surfaces are preferably arranged on the bottom guide holes of the front cover exhaust high-pressure cavity 12 and the rear cover exhaust high-pressure cavity 11 respectively, so that the phenomenon that lubricating oil is deposited and retained on the bottom surface is avoided, lubricating oil is guided and discharged to the maximum extent, the guide speed is improved, the electric control oil return function is enhanced, and the oil return and guide effect is improved.
The fixed displacement automobile air conditioner compressor with the electric control oil return function preferably further comprises a first electric control check valve 6 and a second electric control check valve 5 which are normally open two-position two-way electromagnetic valves, wherein a first check valve coil L in the first electric control check valve 6 6 And a second check valve coil L in the second electrically controlled check valve 5 5 Respectively with clutch coils L in the clutch assembly 20 20 When the vehicle-mounted power supply E is loaded, the clutch assembly 20 is in suction, the fixed displacement vehicle air conditioner compressor with the electric control oil return function is kept in a working state, meanwhile, the first electric control check valve 6 and the second electric control check valve 5 are powered on and off, flow guide channels between the front cover exhaust high-pressure cavity 12 and the front cover exhaust low-pressure cavity 14 and between the rear cover exhaust high-pressure cavity 11 and the rear cover exhaust low-pressure cavity 13 are closed, otherwise, when the vehicle-mounted power supply E is unloaded, the clutch assembly 20 is disconnected, the fixed displacement vehicle air conditioner compressor with the electric control oil return function is stopped, meanwhile, the first electric control check valve 6 and the second electric control check valve 5 are powered off and on, and flow guide channels between the front cover exhaust high-pressure cavity 12 and the front cover exhaust low-pressure cavity 14 and between the rear cover exhaust high-pressure cavity 11 and the rear cover exhaust low-pressure cavity 13 are closed.
The beneficial effects of the invention are as follows: the utility model provides a fixed displacement vehicle air conditioner compressor with automatically controlled oil return function, through setting up the automatically controlled check valve of installation between exhaust high pressure chamber and the low pressure chamber of breathing in, utilize the car power drive and with clutch assembly coordinated control open or close, in the intermittent type of fixed displacement vehicle air conditioner compressor refrigeration work, the lubricating oil water conservancy diversion that will deposit in the exhaust high pressure chamber returns to the low pressure chamber of breathing in, participate in the work lubrication to kinematic pair such as main shaft, sloping cam plate, steel ball bearing and piston, reduce the proportion that lubricating oil gets into refrigerant participation system circulation, increase the reserve and the cyclic utilization proportion of cylinder body inside lubricating oil, can obviously reduce the wearing and tearing intensity of the motion part especially start-up operation's in the system refrigerant cycle refrigeration efficiency on the basis of improving, effectively strengthen the operational reliability of fixed displacement vehicle air conditioner compressor, improve working life, simultaneously, along with the reduction of lubricating oil participation circulation volume, the initial oil charge volume in fixed displacement vehicle air conditioner compressor cylinder body is still effectively reduced, in the fixed displacement vehicle air conditioner compressor design structure, performance is improved, quality is improved, realize energy-conserving and economic and social benefit are outstanding.
Drawings
Fig. 1 is an overall structure diagram of an FM10G15 fixed displacement automobile air conditioner compressor with an electric control oil return function.
Fig. 2 is an electrical connection circuit diagram of an FM10G15 fixed displacement automotive air conditioning compressor with an electrically controlled oil return function.
Detailed Description
Further, the technical scheme of the invention is specifically described with reference to specific embodiments and attached drawings.
An FM10G15 fixed displacement automotive air conditioner compressor with electrically controlled oil return function, as shown in fig. 1, comprising: the clutch assembly 20, the cylinder body, first automatically controlled check valve 6 and second automatically controlled check valve 5, the cylinder body comprises protecgulum 1, preceding cylinder body 2, back cylinder body 3 and back lid 4, first automatically controlled check valve 6 with second automatically controlled check valve 5 are normally open two-position two-way solenoid valve, set up respectively and install on protecgulum 1 with back lid 4, first automatically controlled check valve 6 control intercommunication protecgulum exhaust high pressure chamber 12 and protecgulum low pressure chamber 14 that breathes in, second automatically controlled check valve 5 control intercommunication protecgulum exhaust high pressure chamber 11 and back lid low pressure chamber 13 be provided with funnel shaped guide curved surface on the bottom water conservancy diversion hole in protecgulum exhaust high pressure chamber 12 and back lid exhaust high pressure chamber 11 respectively, first automatically controlled check valve 6 with second automatically controlled check valve 5 are by on-vehicle power E drive, with clutch assembly 20 implementation control, as shown in fig. 2, first check valve coil L in the first automatically controlled check valve 6 6 The second electric control one-waySecond one-way valve coil L in valve 5 5 Unidirectional diode D and clutch coil L in the clutch assembly 20 20 The series circuit of the thermal fuse F is connected in parallel with two ends of the vehicle-mounted power supply E, the vehicle-mounted power supply E is a 12-volt or 24-volt direct-current power supply, and the unidirectional diode D is used for eliminating the clutch coil L when the clutch assembly 20 is in the on-off state 20 The generated reverse induced electromotive force implements line electric protection, the thermal fuse F is used for implementing fault protection on the fixed displacement automobile air conditioner compressor, the thermal fuse F is installed in a coil of the clutch assembly 20, when the fixed displacement automobile air conditioner compressor has a clamping fault, the thermal fuse F can be fused when the clutch assembly 20 has a temperature rise phenomenon relative to the slipping friction of a main shaft, so that the clutch assembly 20 is separated from the main shaft in time, and further development of fault hazard is prevented.
Compared with the conventional fixed displacement automobile air conditioner compressor of the same model, the FM10G15 fixed displacement automobile air conditioner compressor with the electric control oil return function in the embodiment performs a comprehensive performance detection test, a system oil storage/oil circulation detection test and a long-term service life test respectively in a peony Jiang Fu automobile air conditioner limited company performance detection center.
1. Comprehensive performance test
The test is carried out on a compressor performance test bed, and the adopted test working conditions are as follows: the rotation speed is 2000 rpm, the exhaust pressure is 1.619 megapascals, the suction pressure is 0.241 megapascals, the suction temperature is 24 ℃, and the supercooling degree is 5 ℃; 6 FM10G15 type fixed displacement automobile air conditioner compressors with an electric control oil return function and 3 traditional FM10G15 type fixed displacement automobile air conditioner compressors (1# -3#) which are randomly selected according to the embodiment are selected as test prototypes, wherein: 3 FM10G15 type fixed displacement automobile air conditioner compressors (4# -6#) with the electric control oil return function and 3 traditional FM10G15 type fixed displacement automobile air conditioner compressors select the standard oil injection quantity which is currently executed, namely 180G/platform, and the other 3 FM10G15 type fixed displacement automobile air conditioner compressors (7# -9#) with the electric control oil return function select the optimal oil injection quantity which is optimized through calculation, namely 140G/platform; the test is carried out to respectively detect the parameter values of the refrigerating capacity and the energy efficiency ratio (COP) 2 of each test prototype, and simultaneously respectively calculate the parameter values of the average refrigerating capacity and the average energy efficiency ratio (COP average) of 3 prototype test groups of 1# 3 prototype, 4# 6# prototype and 7# 9# prototype according to the detected parameter values, and the experimental results are shown in Table 1:
as can be seen from Table 1, the refrigerating capacity of the 9# prototype is the highest, the energy efficiency ratio (COP) of the 8# prototype is the highest, of all the test prototypes, 6859 watts, 2.46, the average refrigerating capacity and the average energy efficiency ratio (COP average) of the 7# 9# prototype test group are the highest and the highest, respectively, 6844 watts and 2.40,4# 6# prototype test group are the second, respectively, and the average refrigerating capacity of the 7# 9# prototype test group and the 4# 6# prototype test group are the lowest, respectively, and the average refrigerating capacity of the 7# 9# prototype test group and the 4# 6# prototype test group is increased by 2.33% and 0.13% compared with the 1# 3# prototype test group, respectively, and the average energy efficiency ratio (COP average) is increased by 0.26 and 0.05 compared with the 1# 3 prototype test group, respectively.
2. System oil storage/oil circulation detection test
The test is carried out on a real vehicle air conditioning system, and the adopted test working conditions are as follows: the rotation speed is 2000 rpm, the air inlet temperature of the evaporator is 30 ℃/humidity 40%, the air speed is 4 gear, and the exhaust pressure is 1.600 megapascals; the selection of the test prototype for the test and the division method of the prototype test group are the same as the comprehensive performance detection test; the oil circulation rate and the oil storage quantity of each test prototype are respectively detected in the test, and meanwhile, the parameter values of the average oil circulation rate and the average oil storage quantity of 3 prototype test groups of 1# -3# prototype, 4# -6# prototype and 7# -9# prototype are respectively calculated according to the detected parameter values, and the test results are shown in table 2:
as can be seen from Table 2, the oil circulation rate of the model 8# sample was the lowest, the oil storage of the model 6# sample was the highest, and the oil storage of the model 6# sample was 34.0 g, among the 3 model test groups, the average oil storage of the model 4# 6# sample test group and the model 7# 9# sample test group was significantly higher than that of the model 1# 3# sample test group, while the average oil circulation rate was lower than that of the model 1# 3# sample test group, wherein the average oil storage of the model 4# 6# sample test group was the highest, 33.1 g, the model 7# 9# sample test group was the next, and the oil storage was 30.8 g, but since the test oil storage of the model 4# 6# sample test group was higher, although the average oil storage amount of the test group of the sample No. 4-6 is remarkably increased, compared with the test group of the sample No. 1-3, the increase ratio reaches 21.69%, the average oil circulation rate is not remarkably reduced by 0.2 percent compared with the test group of the sample No. 1-3, the increase ratio of the average oil storage amount of the test group of the sample No. 7-9 is 13.24% compared with the test group of the sample No. 1-3, and the average oil circulation rate is remarkably reduced by 2.5 percent and 2.3 percent compared with the test group of the sample No. 1-3 and the test group of the sample No. 4-6, respectively.
3. Long-term life test
The test is carried out on an air-cooled endurance test bed, and the adopted test working conditions are as follows: the rotating speed is 4500 rpm, the ambient temperature is 70 ℃, the high pressure is 2.34-2.74 megapascals, the low pressure is 0.2-0.4 megapascals, the clutch current on-off frequency is 5 seconds on and 5 seconds off; 6 FM10G15 fixed displacement automobile air conditioner compressors with the electric control oil return function and 3 traditional FM10G15 fixed displacement automobile air conditioner compressors (1# -3#) which are randomly selected are selected as test prototypes in a test mode, wherein: 3 FM10G15 type fixed displacement automobile air conditioner compressors (4# -6#) with the electric control oil return function and 3 traditional FM10G15 type fixed displacement automobile air conditioner compressors select the standard oil injection quantity which is currently executed, namely 180G/platform, and the other 3 FM10G15 type fixed displacement automobile air conditioner compressors (7# -9#) with the electric control oil return function select the optimal oil injection quantity which is optimized through calculation, namely 140G/platform; the test respectively detects the operation duration of faults and the generated fault modes of each test prototype in a long-term continuous operation (taking 2000 hours as a reference limit), and the test results are shown in table 3:
as can be seen from table 3, in all the test prototypes, no fault occurs when the 3# -9# prototype continuously runs for more than 2000 hours, while the 1# prototype and the 2# prototype respectively fail when continuously runs for 1872 hours and 1788 hours, the generated fault modes are internal clamping and are accompanied by clutch ablation, the occurrence of the fault modes is definitely directly related to the guarantee supply of lubricating oil, and the result shows that the durability and the running stability of the FM10G15 type fixed displacement automobile air conditioner compressor with the electric control oil return function are obviously higher than those of the conventional fixed displacement automobile air conditioner compressor with the same type.
From the experimental results, the overall performance of the FM10G15 type fixed displacement automobile air conditioner compressor with the electric control oil return function in the embodiment, including the refrigerating capacity and the energy efficiency ratio (COP), is better than that of the conventional FM10G15 type fixed displacement automobile air conditioner compressor, and the service life of the FM10G15 type fixed displacement automobile air conditioner compressor can ensure stable operation for more than 2000 hours without faults. In the FM10G15 type fixed displacement automobile air conditioning compressor with the electric control oil return function, due to the linkage action of the first electric control check valve 6 and the second electric control check valve 5 and the clutch assembly 20, lubricating oil in the refrigerant circulation system can continuously and naturally flow back, dynamic oil storage in a cylinder body in the running process of the compressor can be remarkably increased, so that the lubrication effect of the compressor is improved, and the running durability is improved, but the oil circulation rate of the lubricating oil in the refrigerant circulation cannot be directly changed in the intermittent backflow state of the lubricating oil, so that when the oil injection quantity of the FM10G15 type fixed displacement automobile air conditioning compressor with the electric control oil return function is the same as that of the conventional FM10G15 type fixed displacement automobile air conditioning compressor, the oil injection quantity of the FM10G15 type fixed displacement automobile air conditioning compressor with the electric control oil return function is not obviously improved compared with the comprehensive performance of the conventional FM10G15 type fixed displacement automobile air conditioning compressor. However, the intermittent backflow of the lubricating oil obviously increases the dynamic oil storage amount in the cylinder body of the compressor, improves the lubricating effect of the compressor, and obviously reduces the requirement on the standard of the oil injection amount of the compressor, and the reduction of the oil injection amount of the compressor can directly reduce the oil circulation rate of the lubricating oil in the refrigerant circulation and obviously improves the comprehensive performance of the compressor, so when the oil injection amount of the FM10G15 type fixed displacement automobile air conditioner compressor with the electric control oil return function is 140G/station, compared with the conventional FM10G15 type fixed displacement automobile air conditioner compressor, the average oil storage amount is increased by 13.24 percent, the average oil circulation rate can be reduced by 2.5 percent, and the average refrigerating capacity is improved by 2.33 percent, and the average energy efficiency ratio (COP average) is increased by 0.26.
Claims (4)
1. The utility model provides a fixed displacement vehicle air conditioner compressor with automatically controlled oil return function which characterized in that includes: the clutch assembly (20) and cylinder body, the cylinder body comprises protecgulum (1), preceding cylinder body (2), back cylinder body (3) and back lid (4) structural exhaust high pressure chamber in the cylinder body and inhale the automatically controlled check valve of control intercommunication is installed between the low pressure chamber, automatically controlled check valve sets up exhaust high pressure chamber's lower part is driven by vehicle-mounted power supply E, with clutch assembly (20) coordinated control switches on or closes, works as when clutch assembly (20) inhale, automatically controlled check valve closes, works as when clutch assembly (20) break off, automatically controlled check valve switches on, can make exhaust high pressure chamber with inhale the low pressure chamber intercommunication each other when automatically controlled check valve switches on.
2. The fixed displacement automotive air conditioning compressor with an electrically controlled oil return function of claim 1, wherein: the electrically controlled check valve includes: the first electronic control check valve (6) and the second electronic control check valve (5), the first electronic control check valve (6) is arranged on the front cover (1) and is used for controlling and communicating the front cover exhaust high-pressure cavity (12) and the front cover air suction low-pressure cavity (14), and the second electronic control check valve (5) is arranged on the rear cover (4) and is used for controlling and communicating the rear cover exhaust high-pressure cavity (11) and the rear cover air suction low-pressure cavity (13).
3. The fixed displacement automotive air conditioning compressor with an electrically controlled oil return function of claim 2, wherein: and funnel-shaped guide curved surfaces are respectively arranged on the bottom guide holes of the front cover exhaust high-pressure cavity (12) and the rear cover exhaust high-pressure cavity (11).
4. A fixed displacement automotive air conditioning compressor with electronically controlled oil return as claimed in claim 3, wherein: the first electric control one-way valve (6) and the second electric control one-way valve (5) are normally open two-position two-way electromagnetic valves, and a first one-way valve coil L in the first electric control one-way valve (6) is arranged on the first valve body 6 And a second one-way valve coil L in the second electrically controlled one-way valve (5) 5 Respectively with clutch coils L in the clutch assembly (20) 20 Connected in parallel.
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CN202310401503.9A CN116146458A (en) | 2023-04-16 | 2023-04-16 | Fixed displacement automobile air conditioner compressor with electric control oil return function |
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CN202310401503.9A CN116146458A (en) | 2023-04-16 | 2023-04-16 | Fixed displacement automobile air conditioner compressor with electric control oil return function |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07332239A (en) * | 1994-06-03 | 1995-12-22 | Toyota Autom Loom Works Ltd | Reciprocating compressor |
US5823294A (en) * | 1996-06-06 | 1998-10-20 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Lubrication mechanism in compressor |
JP2000080983A (en) * | 1998-07-09 | 2000-03-21 | Toyota Autom Loom Works Ltd | Compressor |
JP2009057856A (en) * | 2007-08-30 | 2009-03-19 | Sanden Corp | Control method of variable displacement compressor |
CN201546934U (en) * | 2009-11-02 | 2010-08-11 | 上海三电贝洱汽车空调有限公司 | Compressor cylinder head with oil return mechanism |
CN206477975U (en) * | 2016-12-12 | 2017-09-08 | 牡丹江富通汽车空调有限公司 | Double oily separate type air conditioning compressor for displacement variable car |
CN110318971A (en) * | 2018-03-30 | 2019-10-11 | 株式会社丰田自动织机 | Piston compressor |
CN210290041U (en) * | 2019-08-14 | 2020-04-10 | 上海北特科技股份有限公司 | Variable displacement compressor with high-pressure cavity double-channel rear cover |
-
2023
- 2023-04-16 CN CN202310401503.9A patent/CN116146458A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07332239A (en) * | 1994-06-03 | 1995-12-22 | Toyota Autom Loom Works Ltd | Reciprocating compressor |
US5823294A (en) * | 1996-06-06 | 1998-10-20 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Lubrication mechanism in compressor |
JP2000080983A (en) * | 1998-07-09 | 2000-03-21 | Toyota Autom Loom Works Ltd | Compressor |
JP2009057856A (en) * | 2007-08-30 | 2009-03-19 | Sanden Corp | Control method of variable displacement compressor |
CN201546934U (en) * | 2009-11-02 | 2010-08-11 | 上海三电贝洱汽车空调有限公司 | Compressor cylinder head with oil return mechanism |
CN206477975U (en) * | 2016-12-12 | 2017-09-08 | 牡丹江富通汽车空调有限公司 | Double oily separate type air conditioning compressor for displacement variable car |
CN110318971A (en) * | 2018-03-30 | 2019-10-11 | 株式会社丰田自动织机 | Piston compressor |
CN210290041U (en) * | 2019-08-14 | 2020-04-10 | 上海北特科技股份有限公司 | Variable displacement compressor with high-pressure cavity double-channel rear cover |
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Application publication date: 20230523 |