CN115450916A - Built-in miniature compressor of reservoir - Google Patents
Built-in miniature compressor of reservoir Download PDFInfo
- Publication number
- CN115450916A CN115450916A CN202211144653.8A CN202211144653A CN115450916A CN 115450916 A CN115450916 A CN 115450916A CN 202211144653 A CN202211144653 A CN 202211144653A CN 115450916 A CN115450916 A CN 115450916A
- Authority
- CN
- China
- Prior art keywords
- compressor
- low
- pressure refrigerant
- end cover
- pressure
- 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.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention discloses a micro compressor with a built-in liquid accumulator, which comprises a compressor main body, wherein a cylinder, a main bearing, an auxiliary bearing, a crankshaft, a piston and a motor are arranged in the compressor main body, the main bearing and the auxiliary bearing are respectively sleeved at the upper end and the lower end of the crankshaft, the piston and the cylinder are fixed between the main bearing and the auxiliary bearing and are sequentially sleeved on an eccentric part of the crankshaft from inside to outside, the motor is connected with the crankshaft, the compressor main body comprises a high-pressure end cover, a main body frame, a compression cavity shell and a low-pressure end cover, a high-pressure refrigerant outlet is arranged at the top of the high-pressure end cover, a low-pressure refrigerant inlet is arranged on the side wall of the low-pressure end cover, flared copper pipes are respectively connected on the high-pressure refrigerant outlet and the low-pressure refrigerant inlet, quick-connection nuts are pre-installed on the copper pipes, a concave part is arranged at the bottom of the compression cavity shell and serves as an oil storage pool, and a cavity formed by the low-pressure end cover and the compression cavity shell is the liquid accumulator. The invention has compact internal structure and small occupied space, and is convenient for the assembly of the compressor in different occasions and the maintenance of the whole machine.
Description
The invention relates to a micro compressor with a built-in liquid accumulator, which is invented in China and has the patent application number: 201810493491.6, application date: divisional application on 21/05/2018.
Technical Field
The invention relates to the technical field of compressors, in particular to a miniature compressor with a built-in liquid accumulator.
Background
At present, a rotary refrigeration compressor adopts a mode that a liquid storage device is separately arranged on one side of a compressor main body externally, and is connected into a whole through a copper bent pipe to form a refrigerant circulation loop, and the inlet/outlet of a refrigerant is connected to corresponding refrigerant channels of a condenser, an evaporator and the like in a copper pipe welding mode. However, the occupied space of the structure with the independent external liquid accumulator is large, the structure is not beneficial to small space installation, the welding positions of the connecting pipes are more, the space positions are small, the process difficulty is large, and the condition of poor welding is easy to occur. In addition, the inlet/outlet of the refrigerant is connected in a welding mode, the process is multiple, the process is complex, and the disassembly and the assembly and the maintenance of the whole machine are inconvenient.
Disclosure of Invention
The invention aims to provide a micro compressor with a built-in liquid accumulator, which has the advantages of small volume, simple structure and simple and convenient disassembly and assembly, and aims to solve the problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a built-in micro compressor of reservoir, includes the compressor main part, install cylinder, main bearing, auxiliary bearing, bent axle, piston and motor in the compressor main part, main bearing and auxiliary bearing suit are respectively at the upper end and the lower extreme of bent axle, piston and cylinder are fixed between main bearing and auxiliary bearing and are in proper order the suit on the eccentric part of bent axle from inside to outside, the motor is connected with the bent axle in order to control the bent axle and rotate, the compressor main part includes from last high-pressure end cover, main part frame, compression chamber shell and the low pressure end cover down to cooperate the connection in proper order, the top of high-pressure end cover is equipped with the high-pressure refrigerant export, be equipped with the low pressure refrigerant import on the lateral wall of low pressure end cover, all connect the copper pipe of flared on high-pressure refrigerant export and the low pressure refrigerant import, the copper pipe is pre-assembled to have the quick-connect nut, the bottom of compression chamber shell is equipped with recessed position as the oil storage tank, the cavity that low pressure end cover and compression chamber shell constitute is the reservoir.
Furthermore, the high-pressure end cover, the main body frame, the compression cavity shell and the low-pressure end cover are sequentially positioned and matched with each other through the seam allowance structure and are shaped through welding.
Furthermore, the bottom of the main body frame is provided with a boss, and the bottom surface of the boss is a matching surface of the main body frame and the air cylinder.
Further, the cylinder, the main bearing, the auxiliary bearing, the crankshaft and the piston are located in a space formed by the main body frame and the compression cavity shell, and the motor is arranged in a space formed by the high-pressure end cover and the main body frame.
Further, the main bearing is designed to be integral with the main body frame.
Further, a high-pressure refrigerant exhaust valve is arranged between the cylinder and the high-pressure refrigerant outlet, a low-pressure refrigerant suction channel is arranged between the cylinder and the low-pressure refrigerant inlet, a filter device is arranged at the inlet of the low-pressure refrigerant suction channel, and the filter device is communicated with the liquid storage device.
Furthermore, the eccentric part of the crankshaft is provided with a weight reduction groove.
Further, a binding post is arranged at the top of the high-voltage end cover and connected with the motor.
Further, the motor includes stator, rotor, magnetosphere and binding post, the inner wall fixed connection of stator and main part frame, the rotor is connected with the upper end of bent axle, the magnetosphere suit is on the rotor, binding post and terminal connection.
Has the advantages that: the compressor is in an integrated design, the liquid accumulator is arranged in a cavity formed by the low-pressure end cover and the compression cavity shell, the occupied space is small, the internal structure is compact, and the small-space installation is facilitated; the copper pipes with flared ends and preassembled with the quick-connection nuts are connected to the high-pressure refrigerant outlet and the low-pressure refrigerant inlet, so that the connection with refrigerant channels such as a condenser, an evaporator and the like in a copper pipe welding mode is avoided, the installation procedures are reduced, and convenience is provided for the application, assembly, complete machine maintenance and the like of a subsequent compressor in different occasions.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;
FIG. 3 is a schematic diagram of an internal structure from another perspective according to the present invention;
FIG. 4 is an exploded view of the overall structure of an embodiment of the present invention;
FIG. 5 is a top view of an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a main bearing and a main frame in a top view according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 6, the invention relates to a micro compressor with a built-in liquid accumulator, which comprises a compressor main body, wherein a cylinder 2, a main bearing 3, an auxiliary bearing 4, a crankshaft 5, a piston 6 and a motor 7 are arranged in the compressor main body, the compressor main body comprises a high-pressure end cover 11, a main body frame 12, a compression cavity shell 13 and a low-pressure end cover 14 which are sequentially connected in a matching manner from top to bottom, a high-pressure refrigerant outlet 15 is arranged at the top of the high-pressure end cover 11, a low-pressure refrigerant inlet 16 is arranged on the side wall of the low-pressure end cover 14, flared copper pipes are respectively connected on the high-pressure refrigerant outlet 15 and the low-pressure refrigerant inlet 16, a quick-connection nut 17 is preassembled on the copper pipe, a concave part is arranged at the bottom of the compression cavity shell 13 and used as an oil storage pool 8 for storing lubricating oil in the compressor, and a cavity formed by the low-pressure end cover 14 and the compression cavity shell 13 is a liquid accumulator 9. The air cylinder 2, the main bearing 3, the auxiliary bearing 4, the crankshaft 5 and the piston 6 are located in a space formed by the main body frame 12 and the compression cavity shell 13, the main bearing 3 and the main body frame 12 are designed to be a whole, the main bearing 3 and the auxiliary bearing 4 are respectively sleeved at the upper end and the lower end of the crankshaft 5, the piston 6 and the air cylinder 2 are fixed between the main bearing 3 and the auxiliary bearing 4 and sequentially sleeved on an eccentric part 51 of the crankshaft 5 from inside to outside, the motor 7 is connected with the crankshaft 5 to control the crankshaft 5 to rotate, and the crankshaft 5 rotates to drive the piston 6 to suck, compress and discharge refrigerants in the space inside the air cylinder 2. The top of high-pressure end cover 11 is provided with terminal 111 and is connected with motor 7, and motor 7 includes stator 71, rotor 72, magnetosphere 73 and binding post 74, and stator 71 and main part frame 12's inner wall fixed connection, rotor 72 are connected with the upper end of bent axle 5, and magnetosphere 73 suit is on rotor 72, and binding post 74 is connected with terminal 111.
As a preferable aspect of the present invention, the high-pressure end cover 11, the main body frame 12, the compression chamber housing 13, and the low-pressure end cover 14 are sequentially positioned and fitted to each other through the seam allowance structure, and finally, are shaped by welding. In the installation, above-mentioned each subassembly is first through setting up the tang structure at the tip and adjacent subassembly location fit each other, then adopts the bolt to carry out the primary connection fixed, fixes each subassembly in order to form the compressor main part through the welding at last. The positioning fit is realized through the spigot structure, and the operation is convenient and fast.
As a preferred aspect of the present invention, the bottom of the main body frame 12 has a boss, and the bottom surface of the boss is a mating surface of the main body frame 12 with the cylinder 2. Therefore, the matching surface is protruded relative to the seam allowance structure below the main body frame 12, which can reduce the finish machining difficulty of the main body frame 12, facilitate the assembly and debugging of the compressor, and facilitate the operation of manpower and equipment.
As a preferred embodiment of the present invention, a high-pressure refrigerant exhaust valve 18 is disposed between the cylinder 2 and the high-pressure refrigerant outlet 15, a low-pressure refrigerant suction channel 19 is disposed between the cylinder 2 and the low-pressure refrigerant inlet 16, a filter 191 is disposed at an inlet of the low-pressure refrigerant suction channel 19, the filter 191 is communicated with the liquid reservoir 9, and the filter 191 may be selectively installed according to different models of machines.
Preferably, the eccentric portion 51 of the crankshaft 5 is provided with a lightening groove 52, and the lightening groove 52 can lighten the vibration generated when the crankshaft 5 rotates, prolong the service life of the crankshaft 5 and reduce the noise generated when the compressor operates.
The compressor compresses low-pressure refrigerant into high-pressure refrigerant in a rotary compression mode, energy transmission is realized through other accessories, after low-pressure refrigerant gas-liquid mixed fluid enters from a low-pressure refrigerant inlet 16, unvaporized liquid refrigerant in the low-pressure refrigerant enters a liquid reservoir 9 for temporary storage and natural gasification due to the self gravity, and gas in the low-pressure refrigerant enters a cylinder 2 through a low-pressure refrigerant suction channel 19 for compression and is finally discharged to heat exchange accessories such as a condenser from a high-pressure refrigerant outlet 15 after passing through a high-pressure refrigerant exhaust valve 18.
The compressor is in an integrated design, the liquid accumulator 9 is arranged in a cavity formed by the low-pressure end cover and the compression cavity shell, the bottom of the compression cavity shell 13 is provided with a concave part serving as the oil storage tank 8, the internal structure is compact, and the situation that the liquid accumulator 9 is separately arranged on one side of the compressor main body is avoided, so that the occupied space of the whole compressor is small, and the compressor is beneficial to being installed in a small space or being carried about. And the copper pipes with flared ends and preassembled with quick-connection nuts are connected to the high-pressure refrigerant outlet and the low-pressure refrigerant inlet, so that the connection with refrigerant channels such as a condenser, an evaporator and the like in a copper pipe welding mode can be avoided, welding procedures in the installation process are reduced, convenience is provided for the application, assembly, complete machine maintenance and the like of a subsequent compressor in different occasions, and the installation efficiency and the maintenance efficiency are improved.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a built-in micro compressor of reservoir, includes the compressor main part, install cylinder (2), main bearing (3), auxiliary bearing (4), bent axle (5), piston (6) and motor (7) in the compressor main part, main bearing (3) and auxiliary bearing (4) suit respectively are on the upper end and the lower extreme of bent axle (5), piston (6) and cylinder (2) are fixed between main bearing (3) and auxiliary bearing (4) and from inside to outside in proper order the suit on eccentric part (51) of bent axle (5), motor (7) are connected with bent axle (5) and are rotated its characterized in that with control bent axle (5): the compressor is characterized in that a liquid storage device (9) is arranged in the compressor main body, a low-pressure refrigerant inlet (16) is further arranged on the compressor main body, a low-pressure refrigerant suction channel (19) is arranged between the cylinder (2) and the low-pressure refrigerant inlet (16), an inlet of the low-pressure refrigerant suction channel (19) is communicated with the liquid storage device (9), and a low-pressure refrigerant enters the liquid storage device (9) after entering from the low-pressure refrigerant inlet (16).
2. The micro-compressor with built-in accumulator according to claim 1, wherein: still be provided with oil storage pool (8) in the compressor body, reservoir (9) and oil storage pool (8) all are located cylinder (2) below.
3. The micro-compressor with built-in accumulator according to claim 1, wherein: and a filtering device (191) is arranged at an inlet of the low-pressure refrigerant suction channel (19), and the filtering device (191) is communicated with the liquid reservoir (9).
4. The micro-compressor with built-in accumulator according to claim 1, wherein: the eccentric part (51) of the crankshaft (5) is provided with a weight-reducing groove (52).
5. The built-in micro compressor of the accumulator according to claim 1, wherein: the compressor is characterized in that a high-pressure refrigerant outlet (15) is further arranged on the compressor main body, a high-pressure refrigerant exhaust valve (18) is arranged between the cylinder (2) and the high-pressure refrigerant outlet (15), flared copper pipes are connected to the high-pressure refrigerant outlet (15) and the low-pressure refrigerant inlet (16), and quick-connection nuts (17) are preassembled on the copper pipes.
6. The micro-compressor with built-in accumulator according to claim 1, wherein: the compressor main part includes from last down high-pressure end cover (11), main part frame (12), compression chamber shell (13) and low pressure end cover (14) that cooperate the connection in proper order, the top of high-pressure end cover (11) is equipped with high-pressure refrigerant export (15), be equipped with on the lateral wall of low pressure end cover (14) low pressure refrigerant import (16), the bottom of compression chamber shell (13) is equipped with recessed position as oil storage tank (8), the cavity that low pressure end cover (14) and compression chamber shell (13) are constituteed is reservoir (9).
7. The micro-compressor with built-in accumulator according to claim 6, wherein: the high-pressure end cover (11), the main body frame (12), the compression cavity shell (13) and the low-pressure end cover (14) are in positioning fit with each other through a spigot structure in sequence and are shaped by welding;
the bottom of main part frame (12) has the boss, the bottom surface of boss is main part frame (12) and cylinder (2) complex fitting surface.
8. The micro-compressor with built-in accumulator according to claim 6, wherein: the cylinder (2), the main bearing (3), the auxiliary bearing (4), the crankshaft (5) and the piston (6) are positioned in a space formed by a main body frame (12) and a compression cavity shell (13), and the motor (7) is arranged in a space formed by a high-pressure end cover (11) and the main body frame (12); the main bearing (3) and the main body frame (12) are designed into a whole.
9. The micro-compressor with built-in accumulator according to claim 6, wherein: the top of the high-voltage end cover (11) is provided with a binding post (111), and the binding post (111) is connected with the motor (7);
motor (7) include stator (71), rotor (72), magnetosphere (73) and binding post (74), the inner wall fixed connection of stator (71) and main part frame (12), rotor (72) are connected with the upper end of bent axle (5), magnetosphere (73) suit is on rotor (72), binding post (74) are connected with terminal (111).
10. The micro-compressor with built-in accumulator according to claim 1, wherein: the compressor main body is also provided with a high-pressure refrigerant outlet (15), low-pressure refrigerant gas-liquid mixed fluid enters from a low-pressure refrigerant inlet (16), liquid refrigerant which is not gasified in the low-pressure refrigerant enters a liquid reservoir (9) due to the self gravity and is gasified naturally, and gas enters the cylinder (2) through a low-pressure refrigerant suction channel (19) to be compressed and is discharged through the high-pressure refrigerant outlet (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211144653.8A CN115450916A (en) | 2018-05-21 | 2018-05-21 | Built-in miniature compressor of reservoir |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211144653.8A CN115450916A (en) | 2018-05-21 | 2018-05-21 | Built-in miniature compressor of reservoir |
| CN201810493491.6A CN108730185A (en) | 2018-05-21 | 2018-05-21 | A kind of micro-compressor built in liquid storage device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810493491.6A Division CN108730185A (en) | 2018-05-21 | 2018-05-21 | A kind of micro-compressor built in liquid storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115450916A true CN115450916A (en) | 2022-12-09 |
Family
ID=63937899
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211144653.8A Pending CN115450916A (en) | 2018-05-21 | 2018-05-21 | Built-in miniature compressor of reservoir |
| CN201810493491.6A Pending CN108730185A (en) | 2018-05-21 | 2018-05-21 | A kind of micro-compressor built in liquid storage device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810493491.6A Pending CN108730185A (en) | 2018-05-21 | 2018-05-21 | A kind of micro-compressor built in liquid storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN115450916A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323869B (en) * | 2021-07-12 | 2022-08-16 | 浙江瑞立空压装备有限公司 | Electric steering oil pump |
| CN113803254B (en) * | 2021-08-30 | 2022-07-08 | 广州市德善数控科技有限公司 | Compressor and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005146985A (en) * | 2003-11-14 | 2005-06-09 | Sanyo Electric Co Ltd | Compressor with built-in accumulator |
| CN202117925U (en) * | 2011-06-13 | 2012-01-18 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN202166125U (en) * | 2011-07-13 | 2012-03-14 | 广东志高空调有限公司 | Air conditioner |
| CN103244413A (en) * | 2012-02-14 | 2013-08-14 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN103867818A (en) * | 2014-04-04 | 2014-06-18 | 深圳麦克维尔空调有限公司 | Connector with ejector pin |
| CN203840094U (en) * | 2014-02-26 | 2014-09-17 | 深圳航天微电机有限公司 | Large-power servo motor rotor |
| CN104963867A (en) * | 2015-07-02 | 2015-10-07 | 广东美芝制冷设备有限公司 | Rotary compressor and crankshaft thereof |
| CN105464980A (en) * | 2014-08-28 | 2016-04-06 | 上海日立电器有限公司 | Compressor and manufacturing method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728109B (en) * | 2015-02-03 | 2017-03-22 | 广东美芝制冷设备有限公司 | Air conditioning system and rotating compressor component thereof |
| WO2016206054A1 (en) * | 2015-06-25 | 2016-12-29 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigerating cycle device having same |
-
2018
- 2018-05-21 CN CN202211144653.8A patent/CN115450916A/en active Pending
- 2018-05-21 CN CN201810493491.6A patent/CN108730185A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005146985A (en) * | 2003-11-14 | 2005-06-09 | Sanyo Electric Co Ltd | Compressor with built-in accumulator |
| CN202117925U (en) * | 2011-06-13 | 2012-01-18 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN202166125U (en) * | 2011-07-13 | 2012-03-14 | 广东志高空调有限公司 | Air conditioner |
| CN103244413A (en) * | 2012-02-14 | 2013-08-14 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN203840094U (en) * | 2014-02-26 | 2014-09-17 | 深圳航天微电机有限公司 | Large-power servo motor rotor |
| CN103867818A (en) * | 2014-04-04 | 2014-06-18 | 深圳麦克维尔空调有限公司 | Connector with ejector pin |
| CN105464980A (en) * | 2014-08-28 | 2016-04-06 | 上海日立电器有限公司 | Compressor and manufacturing method thereof |
| CN104963867A (en) * | 2015-07-02 | 2015-10-07 | 广东美芝制冷设备有限公司 | Rotary compressor and crankshaft thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108730185A (en) | 2018-11-02 |
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Application publication date: 20221209 |
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| RJ01 | Rejection of invention patent application after publication |