CN110159532A - Compressor, air conditioner - Google Patents
Compressor, air conditioner Download PDFInfo
- Publication number
- CN110159532A CN110159532A CN201910544719.4A CN201910544719A CN110159532A CN 110159532 A CN110159532 A CN 110159532A CN 201910544719 A CN201910544719 A CN 201910544719A CN 110159532 A CN110159532 A CN 110159532A
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- China
- Prior art keywords
- air cavity
- cylinder
- row air
- compressor
- pressure
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- 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.)
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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
-
- 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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
- F04C29/0035—Equalization of pressure pulses
-
- 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
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
- F04C29/128—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention provides a kind of compressor, air conditioner.The compressor, including low-pressure stage compression unit, the low-pressure stage compression unit includes the first pressure texture and the second pressure texture, first pressure texture has second row air cavity with first row air cavity, second pressure texture, it is connected between the first row air cavity and the second row air cavity by air supply passage, the air supply passage is connected to gas supplementing opening.A kind of compressor according to the present invention, air conditioner, can be such that the exhaust refrigerant of level-one cylinder is sufficiently mixed with tonifying Qi refrigerant, and the work done during compression and exhaust airstream pulsation of secondary cylinder is effectively reduced.
Description
Technical field
The invention belongs to air-conditioning regulation technology fields, and in particular to a kind of compressor, air conditioner.
Background technique
It with the comprehensive universal of air-conditioning and promotes, is also widely applied in northern extremely cold area air-conditioning, but it is common
Air source heat pump is in low temperature environment, as the decline of environment temperature will appear the decline of system evaporating temperature, compressor air suction ratio
Hold and increase, compressor pressure ratios is caused to increase, the critical value for having exceeded ordinary single-stage rotor compressor system normal operation (is held
Product formula compressor pressure ratios critical value 8~10) so that gas transmission coefficient reduces, heating capacity is reduced, under system coefficient of performance in heating
The problems such as drop cannot even work, to improve rotor compressor compression ratio, meet air-conditioning can continue under lower temperature environments
Work, rotor compressor mostly uses Two-stage Compression structure, to further increase refrigerating/heating amount, and reduces exhaust temperature
Degree, the method that Two-stage Compression structure generallys use the second vapor injection increasing enthalpy of two-stage throttling.Conventional supplementing method for air is in rotor pressure
The air entry of contracting machine secondary cylinder carries out the direct tonifying Qi of single channel, although this scheme can play increasing enthalpy tonifying Qi improve refrigeration/
Heating capacity and the certain effect for reducing delivery temperature, but such tonifying Qi mode will lead to the compressed gas of level-one cylinder discharge
It is insufficient with the gas mixing of increasing enthalpy tonifying Qi, so cause secondary cylinder work done during compression is higher, gases of exhaust ports compared with
Greatly, pressure at expulsion is unstable, vibration is larger, compressor efficiency relative reduction etc..
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of compressor, air conditioner, level-one cylinder can be made
Exhaust refrigerant be sufficiently mixed with tonifying Qi refrigerant, be effectively reduced secondary cylinder work done during compression and exhaust airstream pulsation.
To solve the above-mentioned problems, the present invention provides a kind of compressor, including low-pressure stage compression unit, the low-pressure stage pressure
Contracting portion includes the first pressure texture and the second pressure texture, and first pressure texture has first row air cavity, second pressure
Shrinking structure has second row air cavity, is connected between the first row air cavity and the second row air cavity by air supply passage, described
Air supply passage is connected to gas supplementing opening.
Preferably, first pressure texture includes first flange, the first cylinder, first partition, the second compression knot
Structure includes the second cylinder, second partition, and the first flange, the first cylinder, first partition, the second cylinder, second partition are successively
It is set on crankshaft, the first row air cavity is arranged in the first flange, and the second row air cavity is arranged described second
On partition.
Preferably, the gas supplementing opening is configured on second cylinder；Or, the gas supplementing opening is configured in first gas
On cylinder；Or, the gas supplementing opening is configured in the first partition.
Preferably, first pressure texture further includes the first cover board, and the first row air cavity has opening, described to open
Mouth faces away from the side of first cylinder, and first cover board covers the opening of the first row air cavity；And/or it is described
Second pressure texture further includes third partition, and the second row air cavity has opening, and the opening faces away from second gas
The side of cylinder, the third partition cover the opening of the second row air cavity.
Preferably, unidirectional stop valve is equipped at the gas supplementing opening.
Preferably, the first row air cavity has the first tonifying Qi valve port, is equipped with unidirectional cutoff at the first tonifying Qi valve port
Valve；And/or the second row air cavity has the second tonifying Qi valve port, is equipped with unidirectional stop valve at the second tonifying Qi valve port.
Preferably, the unidirectional stop valve includes valve block baffle, valve block, and successively closed assembly is simultaneously for the valve block and valve block baffle
An entirety is formed by fastener.
Preferably, the compressor further includes hiigh pressure stage compression unit, and the hiigh pressure stage compression unit has air entry, described
Air entry is connected to the exhaust passage of the low-pressure stage compression unit.
Preferably, the compressor is three cylinder double-stage compressors.
The present invention also provides a kind of air conditioners, including above-mentioned compressor.
The tonifying Qi refrigerant of system is delivered to described by a kind of compressor provided by the invention, air conditioner by air supply passage
First row air cavity and second exhaust is intracavitary be sufficiently mixed after enter back into the exhaust passage of low-pressure stage compression unit, and via
The air entry of hiigh pressure stage compression unit carries out realization compression in third cylinder, due to by the air entry sucking before, tonifying Qi
The exhaust refrigerant of refrigerant and low-pressure stage compression unit is sufficiently mixed, and the work done during compression and exhaust airstream pulsation of secondary cylinder is effectively reduced,
And then the pressure at expulsion stability and efficiency of compressor are improved, reduce the vibration of compressor.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the compressor of the embodiment of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is schematic diagram of internal structure of the compressor of the embodiment of the present invention under another visual angle；
Fig. 4 is the structural schematic diagram of the second partition in Fig. 1；
Fig. 5 is the change curve of compressor air suction volume and cylinder gas refrigerant operating pressure of the invention with corner.
Appended drawing reference indicates are as follows:
11, first row air cavity；12, first flange；13, the first cylinder；14, first partition；15, the first cover board；21,
Two discharge chambers；22, the second cylinder；23, second partition；231, exhaust outlet；24, third partition；3, air supply passage；31, tonifying Qi
Mouthful；4, unidirectional stop valve；41, valve block baffle；42, valve block；43, fastener；51, air entry；52, exhaust passage；61, third
Cylinder；62, second flange；100, crankshaft；200, electric machine assembly.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to 5, according to an embodiment of the invention, providing a kind of compressor, including shell is (in figure not
Show), hiigh pressure stage compression unit (two-stage compression) and low-pressure stage compression unit (one stage of compression), the height are provided in the shell
It arbitrarily downgrades compression unit and low-pressure stage compression unit and crankshaft 100 is socketed, and realize the pressure to refrigerant under the driving of electric machine assembly 200
Contracting, the low-pressure stage compression unit include the first pressure texture and the second pressure texture, and first pressure texture has first row
Air cavity 11, second pressure texture have a second row air cavity 21, the first row air cavity 11 and the second row air cavity 21 it
Between be connected to by air supply passage 3, the air supply passage 3 is connected to gas supplementing opening 31.In the technical solution, pass through air supply passage 3
The tonifying Qi refrigerant of system is delivered to after being sufficiently mixed in the first row air cavity 11 and second row air cavity 21 enter back into it is low
It arbitrarily downgrades in the exhaust passage 52 of compression unit, and is realized in third cylinder 61 via the air entry of hiigh pressure stage compression unit 51
Compression, since before by the air entry 51 sucking, tonifying Qi refrigerant and the exhaust refrigerant of low-pressure stage compression unit are sufficiently mixed,
The work done during compression and exhaust airstream pulsation of secondary cylinder is effectively reduced, and then improves the pressure at expulsion stability and efficiency of compressor,
Reduce the vibration of compressor.It is understood that first row air cavity 11 above-mentioned, second row air cavity 21 are it can be appreciated that
One tonifying Qi chamber, the second tonifying Qi chamber.
First pressure texture includes first flange 12, the first cylinder 13, first partition 14, the second compression knot
Structure include the second cylinder 22, second partition 23, the first flange 12, the first cylinder 13, first partition 14, the second cylinder 22,
Second partition 23 is sequentially sleeved on crankshaft 100, and the first row air cavity 11 is arranged in the first flange 12, and described the
Two discharge chambers 21 are arranged on the second partition 23.The first row air cavity 11 and second row are given in the technical solution
The specific set-up mode of air cavity 21, they, which are arranged in the first flange 12 and second partition 23, can prevent from being arranged
The adverse effect that block structure intensity may be generated on first cylinder 13 or the second cylinder 22, additionally it is possible to side
Just the processing of corresponding discharge chamber.
The gas supplementing opening 31 can be for example configured on first cylinder 13 in the first partition 14, and best,
The gas supplementing opening 31 is configured on second cylinder 22, at this point, the gas supplementing opening 31 and the first row air cavity 11 and second
The distance of discharge chamber 21 is more moderate, this is very beneficial for and the roller that is respectively provided in the first cylinder 13 and the second cylinder 22
Phase difference matching.Similarly, the air supply passage 3, which can choose, is configured in the first flange 12 or the first cylinder 13
Even in the first partition 14.
In order to further decrease the difficulty of processing of the first row air cavity 11 and second row air cavity 21, it is preferable that described
One pressure texture further includes the first cover board 15, and the first row air cavity 11 has opening, and the opening faces away from described first
The side of cylinder 13, first cover board 15 cover the opening of the first row air cavity 11；And/or second pressure texture
It further include third partition 24, the second row air cavity 21 has opening, and the opening faces away from the one of second cylinder 22
Side, the third partition 24 cover the opening of the second row air cavity 21.
The pressure of the exhaust refrigerant in the first row air cavity 11 or second row air cavity 21 is higher than tonifying Qi in order to prevent
The tonifying Qi refrigerant generated when refrigerant pressure drives in the wrong direction phenomenon, it is preferable that unidirectional stop valve 4, institute are equipped at the gas supplementing opening 31
Stating unidirectional stop valve 4 is unidirectional unidirectional stop valve, is higher than discharge chamber (first row air cavity 11 or the in tonifying Qi refrigerant pressure
Two discharge chambers 21) when open enable tonifying Qi refrigerant it is smooth enter the discharge chamber in, and tonifying Qi refrigerant pressure lower than exhaust
Closing when chamber (first row air cavity 11 or second row air cavity 21), which makes tonifying Qi refrigerant not, can enter in the discharge chamber.
And more preferably, the first row air cavity 11 has the first tonifying Qi valve port, sets at the first tonifying Qi valve port
There is unidirectional stop valve 4；And/or the second row air cavity 21 has the second tonifying Qi valve port, is equipped at the second tonifying Qi valve port
Unidirectional stop valve 4, best, the first row air cavity 11 and second row air cavity 21 are correspondingly arranged unidirectional section above-mentioned respectively
Only valve 4, at this point, the unidirectional stop valve 4 being correspondingly arranged is respectively in the pressure at expulsion mistake of first row air cavity 11 or second row air cavity 21
The perforation connection relationship between air supply passage 3 and first row air cavity 11 or second row air cavity 21 is closed when high respectively, and can be managed
Solution has the first roller in first pressure texture, has the second roller in second pressure texture, and described the
One roller and the second roller then respectively correspond the first off-centre operation for being sleeved on the crankshaft 100 and having, on the second off-centre operation, and
First off-centre operation and the second off-centre operation have phase difference, this phase official post in the plane of the axis projection of the crankshaft 100
First pressure texture and the second pressure texture be on exhaust beat it is asynchronous, herein for the setting unidirectional stop valve of property
The pressure play that can be effectively prevent between first row air cavity 11 and second row air cavity 21, thereby, it is possible to effective lift pins to
The flow of air supply of one discharge chamber 11 or second row air cavity 21, and prevented the dry of high pressure gas refrigerant from opposite side
It disturbs (for example, tonifying Qi is only mended in first row air cavity 11, and the high pressure in second row air cavity 21 when 11 pressure of first row air cavity is low
Exhaust be then locked in second row air cavity 21 will not channelling the accounting of tonifying Qi refrigerant is influenced into first row air cavity 11).
The unidirectional stop valve 4 for example can be using the check valve usually used, more optimizedly, the unidirectional stop valve 4
Including valve block baffle 41, valve block 42, the valve block 42 and valve block baffle 41 successively closed assembly and by fastener 43 formed one it is whole
Body, wherein the valve block baffle 41 is used to be defined the open angle of the valve block 42, and the valve block 42 is then by certainly
The deformability of body realizes the perforation or closing to channel.The specific configuration of second partition 23 as described in being shown Fig. 4,
It is upper that there is the exhaust outlet 231 for corresponding to second pressure texture, described unidirectional section is correspondingly arranged on the exhaust outlet 231
Only valve 4, the second row air cavity 21 constructed thereon is arranged around the fringe region of the second partition 23, and the institute having with it
The perforation of the second tonifying Qi valve port is stated, certainly, the unidirectional stop valve 4 is additionally provided on the second tonifying Qi valve port.
The hiigh pressure stage compression unit includes third cylinder 61 and second flange 62, and as a same reason, the two is also sleeved on institute
The compression for being driven by it on crankshaft 100 and realizing hiigh pressure stage is stated, with air entry 51, namely the second level usually said is inhaled
The exhaust of port (the level-one air entry corresponding to low-pressure stage compressor), the air entry 51 and the low-pressure stage compression unit is logical
Road 52 is connected to, specifically, for example, when the unidirectional stop valve on exhaust outlet 231 on the second partition 23 is opened, described the
Two discharge chambers 21 will be connected to the exhaust passage 52；As a same reason, the corresponding exhaust outlet having in the first flange 12
On unidirectional stop valve open when, the second row air cavity 21 is connected to the exhaust passage 52.
Using compressor orientation shown in Fig. 2 as example, be balance crankshaft 100 torque, the upper eccentric part of crankshaft 100, in
There are one for the correspondence air entry of eccentric part and lower eccentric part phase and the first cylinder 13, the second cylinder 22 and third cylinder 61
Fixed differential seat angle, therefore the first cylinder 13, the second cylinder 22 and third cylinder 61 are vented angle there are certain phase difference, the
The air-breathing and exhaust outlet of three cylinders 61 and the air-breathing and exhaust outlet phase difference of the second cylinder 22 are set to β, and the second cylinder 22 is inhaled
The phase difference of the air-breathing and exhaust outlet of gas and exhaust outlet and the first cylinder 13 is π.Such as Fig. 5, the respectively work of the first cylinder 13
The aspirated volume of pressure, the operating pressure of the second cylinder 22 and third cylinder 61 is with the change curve of 100 corner of crankshaft (in figure
X1 corresponds to third cylinder, X2 corresponds to the second cylinder, X3 corresponds to the first cylinder), curve ab and a1b1 are the first cylinder 13
Exhaust process, curve cd and c1d1 be the second cylinder 22 exhaust process, before the exhaust of the first cylinder 13 and the second cylinder 22
It is asynchronous afterwards, the whole work process secondary cylinder (third cylinder 61) one it can be seen from 61 suction chamber volume curve of third cylinder
Air-breathing is directly carried out with different rates, therefore when the first cylinder 13 is in ab exhaust process, the second cylinder 22 is not exhausted
And third cylinder 61 is carrying out air-breathing, the pressure of first row air cavity 11 is larger with respect to the pressure of second row air cavity 21 at this time,
The gas of increasing enthalpy tonifying Qi will largely enter second row air cavity 21 upwards by air supply passage 3, similarly at the second cylinder 22
When cd exhaust process, the first cylinder 13 is not exhausted and third cylinder 61 is carrying out air-breathing, at this time second row air cavity 21
Pressure it is larger with respect to the pressure of first row air cavity 11, the gas of increasing enthalpy tonifying Qi will largely be entered downwards by air supply passage 3
First row air cavity 11, that is to say, that the gas of increasing enthalpy tonifying Qi can be to second row air cavity 21 or first exhaust by air supply passage 3
Chamber 11 carries out continuous tonifying Qi, can greatly improve the flow of air supply of increasing enthalpy tonifying Qi.And the essence of this continuous Gas-supplying enthalpy-increasing is
It is to correspond to the first row air cavity 11 and the respectively arranged unidirectional stop valve 4 of second row air cavity 21.
The compressor is preferably a kind of three cylinder double-stage compressors, it is also possible to a kind of twin-tub Gas-supplying enthalpy-increasing pressure certainly
Contracting machine, meanwhile, it is also possible to one of vertical or horizontal compressor, the present invention is not construed as limiting.
According to an embodiment of the invention, a kind of air conditioner is also provided, including above-mentioned compressor.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.More than
It is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from
Under the premise of the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the present invention
Protection scope.
Claims (10)
1. a kind of compressor, which is characterized in that including low-pressure stage compression unit, the low-pressure stage compression unit includes the first pressure texture
And second pressure texture, first pressure texture have second row with first row air cavity (11), second pressure texture
Air cavity (21) is connected between the first row air cavity (11) and the second row air cavity (21) by air supply passage (3), the benefit
Gas channel (3) is connected to gas supplementing opening (31).
2. compressor according to claim 1, which is characterized in that first pressure texture include first flange (12),
First cylinder (13), first partition (14), second pressure texture includes the second cylinder (22), second partition (23), described
First flange (12), the first cylinder (13), first partition (14), the second cylinder (22), second partition (23) are sequentially sleeved at song
On axis (100), the first row air cavity (11) is arranged on the first flange (12), and second row air cavity (21) setting exists
On the second partition (23).
3. compressor according to claim 2, which is characterized in that the gas supplementing opening (31) is configured in second cylinder
(22) on；Or, the gas supplementing opening (31) is configured on first cylinder (13)；Or, the gas supplementing opening (31) be configured in it is described
In first partition (14).
4. compressor according to claim 2, which is characterized in that first pressure texture further includes the first cover board
(15), the first row air cavity (11) has opening, and described be open faces away from the side of first cylinder (13), and described the
One cover board (15) covers the opening of the first row air cavity (11)；And/or second pressure texture further includes third partition
(24), the second row air cavity (21) has opening, and described be open faces away from the side of second cylinder (22), and described the
Three partitions (24) cover the opening of the second row air cavity (21).
5. compressor according to claim 1, which is characterized in that be equipped with unidirectional stop valve (4) at the gas supplementing opening (31).
6. compressor according to claim 1, which is characterized in that the first row air cavity (11) has the first aeration valve
Mouthful, unidirectional stop valve (4) are equipped at the first tonifying Qi valve port；And/or the second row air cavity (21) has the second aeration valve
Mouthful, unidirectional stop valve (4) are equipped at the second tonifying Qi valve port.
7. compressor according to claim 6, which is characterized in that the unidirectional stop valve (4) include valve block baffle (41),
Valve block (42), the valve block (42) and valve block baffle (41) successively closed assembly and by fastener (43) formed an entirety.
8. compressor according to claim 1, which is characterized in that it further include hiigh pressure stage compression unit, the hiigh pressure stage compression
Portion has air entry (51), and the air entry (51) is connected to the exhaust passage (52) of the low-pressure stage compression unit.
9. compressor according to claim 1, which is characterized in that the compressor is three cylinder double-stage compressors.
10. a kind of air conditioner, including compressor, which is characterized in that the compressor is described in any one of claims 1 to 9
Compressor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544719.4A CN110159532A (en) | 2019-06-21 | 2019-06-21 | Compressor, air conditioner |
| PCT/CN2019/127515 WO2020253185A1 (en) | 2019-06-21 | 2019-12-23 | Compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544719.4A CN110159532A (en) | 2019-06-21 | 2019-06-21 | Compressor, air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159532A true CN110159532A (en) | 2019-08-23 |
Family
ID=67626602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544719.4A Pending CN110159532A (en) | 2019-06-21 | 2019-06-21 | Compressor, air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110159532A (en) |
| WO (1) | WO2020253185A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020253185A1 (en) * | 2019-06-21 | 2020-12-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963331B (en) * | 2021-02-25 | 2023-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Air supplementing structure and compressor with same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204025052U (en) * | 2014-06-27 | 2014-12-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-stage enthalpy increasing rotor-type compressor and air conditioner |
| CN205503457U (en) * | 2016-02-01 | 2016-08-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN205858678U (en) * | 2016-06-22 | 2017-01-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and there is its compressor |
| JP6735662B2 (en) * | 2016-12-22 | 2020-08-05 | 東芝キヤリア株式会社 | Rotary compressor and refrigeration cycle device |
| CN110159532A (en) * | 2019-06-21 | 2019-08-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, air conditioner |
-
2019
- 2019-06-21 CN CN201910544719.4A patent/CN110159532A/en active Pending
- 2019-12-23 WO PCT/CN2019/127515 patent/WO2020253185A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020253185A1 (en) * | 2019-06-21 | 2020-12-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner |
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| Publication number | Publication date |
|---|---|
| WO2020253185A1 (en) | 2020-12-24 |
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