CN1239757A - Rotary compressor having plurality of compression chambers for multistage compression - Google Patents
Rotary compressor having plurality of compression chambers for multistage compression Download PDFInfo
- Publication number
- CN1239757A CN1239757A CN 99104193 CN99104193A CN1239757A CN 1239757 A CN1239757 A CN 1239757A CN 99104193 CN99104193 CN 99104193 CN 99104193 A CN99104193 A CN 99104193A CN 1239757 A CN1239757 A CN 1239757A
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- Prior art keywords
- cylinder
- refrigeration agent
- rotary compressor
- compression
- refrigerant
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Classifications
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- 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
- F04C23/008—Hermetic pumps
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- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
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- 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
- F04C23/001—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 of similar working principle
Abstract
To reduce a compression ratio, to reduce a refrigerant leakage, to enlarge a compressibility, and to reduce vibrations and noises, by performing multi-stage compression through plural compression chambers. This rotary compressor comprises a first cylinder forming a first compression chamber in which primary compression of a received refrigerant from the outside is performed, a second cylinder forming a second compression chamber in which secondary compression of the compressed refrigerant in the primary compression chamber is performed, and a first roller 27a and a second roller 27b which are respectively connected to eccentric parts of a rotating shaft and are eccentrically rotated within the respective compression chambers so as to compress the refrigerant.
Description
The present invention relates to rotary compressor, more particularly, relate to a kind of like this rotary compressor, it has a plurality of pressing chambers, carries out multistage compression by it, thereby reduces freezing medium leakage and vibration and noise in compression ratio, the compression process.
Fig. 7 is the sectional arrangement drawing of a typical hermetic rotary compressor, and Fig. 8 is the sectional side view of a compression member shown in Figure 7.With reference to these figure, a typical rotary compressor comprises the housing 101 of a cylindrical shape, forms an enclosed space, and one is used for the compression member 105 of compressed refrigerant, is positioned at the drive motor 103 that housing 101, is used for drive compression part 105.An accumulator 106 is equipped with in the outside of housing 101, is used for supplying with gaseous refrigerant by refrigeration agent supplying duct 108 to compression member 105.
On the top of housing 101, a refrigeration agent discharge tube 107 is installed, in order to be emitted on refrigeration agent after compression member 105 compression outside housing 101.In the bottom of housing 101, an oil trap 109 is installed, be used to store and supply with oil with the drive part in lubricated or the cooling housing 101.
Thereby described upper flange plate 131 and lower flange 133 all cover the space that the part of described opening is formed a compressed refrigerant.On the top of upper flange plate 131, be equipped with that baffler 135 on is used for temporarily being contained in the refrigeration agents that compresss in the cylinder body 123 and the discharge that makes progress thereafter.At the inwall of cylinder body 123, be formed with refrigerant suction 139, be used for the suction refrigeration agent; And refrigeration agent exhaust port 141, be used for discharging refrigerant.
Drive motor 103 comprises a stator 111 and a rotor 113.Stator 111 is installed in the inwall of housing 101, and rotor 113 is cylindrical, is inserted in the space that stator 111 centered on, and rotates when supply power.At the center of rotor 113, be inserted with a running shaft, rotate with rotor 113 one.
Running shaft 115 extends vertically up to the oil trap 109 beyond the compression member 105.The eccentric part 117 of receiving by chance the inside of roller 125 is formed on the bottom of running shaft 115, uses so that roller 125 rolls along the inwall of cylinder body 123 is eccentric.Oil trap 109 is immersed in the underpart of running shaft 115, and stirs oily blade 119 and be installed on the running shaft 115, in order to by stirring the oil in the oil traps 109 with running shaft 115 rotations, thus the driver part fuel feeding in housing 101.
By this structure, when running shaft 115 revolved, gaseous refrigerant was inhaled into cylinder body 123 by refrigeration agent service 108 from accumulator 106, and pipeline 108 is communicated with refrigerant suction port 139.
When roller 125 rolled in cylinder body 123, the refrigeration agent of suction was compressed, and the refrigeration agent that compressed is discharged by refrigeration agent exhaust port 141.The refrigeration agent that compression member 105 is discharged is contained in the baffler 135 provisionally, upwards discharges then, and finally is discharged to the outside of housing 101 by the refrigeration agent blowdown piping 107 that is installed in housing 101 tops.
Yet in traditional rotary compressor, the refrigeration agent of suction once is compressed to required pressure.Like this, compression ratio (=refrigeration agent head pressure/refrigeration agent suction pressure) height, refrigeration agent increases by the leakage rate in gap between the driver part in the housing.Correspondingly, compression efficiency reduces, and the reliability of driver part is also because vibration that increases and noise and deterioration.
For overcoming above-mentioned shortcoming, reduce the rotary compressor that compression ratio, freezing medium leakage, vibration and noise improve compression efficiency by multistage compression thereby the purpose of this invention is to provide one.
To achieve the object of the present invention, embodiments of the invention have proposed a kind of rotary compressor, comprising: have the drive motor with the running shaft of first and second eccentric parts; Form first cylinder of first pressing chamber, the refrigeration agent that flows out is carried out the compression first time; One forms second cylinder of second pressing chamber, the refrigeration agent that compressed is carried out the compression second time in described first pressing chamber; And one first roller and one second roller, described first and second eccentric parts idol with described running shaft connects respectively, and roller is by eccentric rotation compressed refrigerant in described each pressing chamber.
Preferably, single cylinder is divided into first and second pressing chambers by dividing plate.Preferably rotary compressor comprises that also one is used for holding provisionally the last baffler of the refrigeration agent that described second cylinder discharges.
Moreover, at the inwall of described first and second cylinders, be formed with refrigerant suction and refrigeration agent exhaust port respectively, also be formed with refrigerant circulation passage, so that the refrigeration agent exhaust port of described first cylinder is communicated with the refrigerant suction of described second cylinder.
One anti-reflux valve is installed in the inwall of described refrigerant circulation passage, is back to described second pressing chamber to prevent refrigeration agent from described first pressing chamber.More effectively be, use pilot valve as described anti-reflux valve flexibly to close described refrigerant circulation passage.
According to another embodiment of the invention, described rotary compressor comprises that also one is used for holding provisionally the bottom silencer of first refrigeration agent that described first pressing chamber compressed.Effective method is the oil trap that makes bottom silencer be positioned at the underpart of described running shaft and be immersed in storage oil.
Be formed with refrigerant suction and refrigeration agent floss hole at the top of described bottom silencer.In described second cylinder, be formed with refrigerant suction.Be formed with refrigerant circulation passage at described first and second inside walls of cylinder, so that the refrigerant suction of described cylinder is communicated with the refrigeration agent floss hole.Preferably, the phase difference between described first and second rollers maintains 180 ° with respect to described running shaft
From following detailed description with reference to accompanying drawing, will be better understood the present invention and each purpose and advantage, wherein:
Fig. 1 is the sectional drawing according to the rotary compressor of first embodiment of the invention.
Fig. 2 is the sectional side view of compression member shown in Figure 1.
Fig. 3 A and 3B be the orthogonal view of the cylinder up and down of presentation graphs 1 respectively.
Fig. 4 is the sectional drawing according to the rotary compressor of second embodiment of the invention.
Fig. 5 is the sectional side view of compression member shown in Figure 4.
Fig. 6 A and 6B be the orthogonal view of the cylinder up and down of presentation graphs 4 respectively.
Fig. 7 is the sectional drawing of traditional rotary compressor.
Fig. 8 is the orthogonal view of compression member shown in Figure 7.
The preferred embodiments of the present invention are described in detail with reference to the accompanying drawings.
Fig. 1 is the sectional drawing according to the rotary compressor of first embodiment of the invention.Fig. 2 is the sectional side view of compression member shown in Figure 1.Fig. 3 is the orthogonal view of the cylinder up and down of presentation graphs 1 respectively.With reference to these figure, according to rotary compressor of the present invention, as traditional rotary compressor, the housing 1 that comprises a cylindrical shape, one produces the drive motor 3 that drives power, and one by demarcation strip 25 separated compression members 5, and compression member 5 is used for accepting driving force and with the driving force compressed refrigerant from drive motor 3.One accumulator 6 is installed in order to supply with gaseous refrigerant to compression member 5 by refrigeration agent supply pipeline 8 in housing 1 outside.
On the top of housing 1, be formed with a discharge refrigerant line 7 and discharge in order to the refrigeration agent that compression member 5 was compressed.Be formed with an oil trap 9 in lower part of frame, store the oil of drive part in lubricated and the cooling housing 1.
Running shaft 15 extends vertically up in the oil trap 9.The lower end of extending and being immersed in the running shaft 15 in the oil trap 9 is equipped with one and stirs oily blade 19, when running shaft rotate with upwards transmission of the oil in the oil trap 9.
In the bottom of drive motor 3, compression member 5 is installed.Compression member 5 comprises that one is used for refrigeration agent flow into the one-level compression in the housing 1 from accumulator 6 following cylinder 21, one is used for the refrigeration agent that following cylinder 21 compressed is carried out the upper cylinder half 23 that secondary compresses, one cylinder body that is used to be separated to form compression volume is the dividing plate 25 of upper cylinder half and following cylinder, inwall along cylinder 21 and 23 rolls with the roller 27a and the 27b of compressed refrigerant, and from each inner wall surface of cylinder 21 and 23 outstanding blade 29a and 29b, the protruding terminus contact roller 27a of blade 29a and 29b and the circumferential surface of 27b are separated into compression volume and suction space with each inboards of cylinder 21 and 23.
The upside of upper cylinder half 23 is equipped with a upper flange plate 31, in order to cover an open part forms compressed refrigerant in upper cylinder half 23 compression volume.Bottom at following cylinder 21 is equipped with a lower flange 33.Upside at upper flange plate is equipped with baffler 35 on, upwards enters housing 1 in order to hold provisionally by the refrigeration agent of upper cylinder half 23 discharges and with it.
At the inwall of upper cylinder half 23 and following cylinder 21, be formed with refrigeration agent by its pump port 37a and 37b that flows, and near refrigerant suction 37a and 37b, be formed with refrigeration agent floss hole 39a and 39b.Refrigerant compressed discharging refrigerant pump port 39a and flow into upper cylinder half 23 by refrigerant suction 37b and compress for the first time in following cylinder to carry out second time.For this purpose, a refrigerant flow channel 41 is communicated with the inwall and the dividing plate 25 of upper cylinder half 23, and following cylinder 21.Refrigeration agent floss hole 39a at following cylinder 21 is equipped with an anti-reflux valve 43 to prevent to discharge the back flow of refrigerant of into playing cylinder.
By this structure, when running shaft rotates, gaseous refrigerant in the accumulator 6 is sucked cylinder 21 down by refrigeration agent supply pipeline 8, and refrigeration agent supply pipeline 8 is communicated with refrigerant suction 37 and follows by being formed on down the refrigerant suction 37a on cylinder 21 sidewalls.The refrigeration agent of cylinder 21 is compressed by roller 27a under sucking, and the refrigeration agent after the compression is discharged by refrigeration agent exhaust port 39a.The outer surface of the eccentric part 17 of roller 27a and running shaft 15 connects mutually by chance, and the contact inwall rolling of cylinder 21 down.
The refrigeration agent of discharging upwards flows and refrigerant suction port 37b by upper cylinder half 23 is inhaled into upper cylinder half 23 along refrigerant flow channel 41.The refrigeration agent 23 that sucks upper cylinder half is compressed by roller 27b, and then discharges by refrigeration agent floss hole 39b.Roller 27b is along the inwall rolling compressed refrigerant of upper cylinder half 23.
The refrigeration agent of discharging temporarily is contained in the last baffler that is installed on the upper flange plate 31, to the discharging of the top of housing 1, discharges by refrigeration agent exhaust port 7.
Fig. 4 is the sectional arrangement drawing according to the rotary compressor of second embodiment of the invention.Fig. 5 is the sectional side view of the compression member shown in Fig. 4.Fig. 6 illustrates each sectional drawing of the cylinder up and down shown in Fig. 5.With the repeated description no longer of the identical part shown in first embodiment, and adopt identical label.
Rotary compressor according to second embodiment of the invention has a bottom silencer 40 that is installed in lower flange 33 bottoms, is used for holding provisionally the refrigeration agent of discharging from following cylinder 21, and the oil that holds in oil trap 9 enters upper cylinder half 23 after it is cooled off then.
In upper cylinder half 23 and following cylinder 21, be formed with refrigerant suction 37a and 37b, in order to the suction refrigeration agent, the refrigeration agent floss hole is contiguous at it.On last lower flange 31 and 33, refrigeration agent discharge passage 43a and 43b are installed, are communicated with in order to each refrigeration agent floss hole 39a and 39b with cylinder 23 up and down and 21.Because maintain 180 ° phase difference between the roller 27b of cylinder 23 up and down and 21 and 27a, refrigeration agent does not reflux.
The refrigeration agent that sucks upper cylinder half 23 is compressed the inwall touch scrolling of roller and upper cylinder half 23 for the second time by roller 27b.
The refrigeration agent that compressed temporarily is contained in also upwards discharging in the baffler 35 by the refrigeration agent floss hole 39b and the refrigeration agent discharge passage 43b of upper cylinder half 23 then.The refrigeration agent of discharging and discharge refrigerant line 7 discharge housings 1 by be installed in housing 1 top mobile to housing 1 top.
According to the present invention, refrigeration agent is compression at twice in upper cylinder half 23 and following cylinder 21, thereby, compare compression ratio (=refrigeration agent head pressure/refrigeration agent swabbing pressure) with traditional rotary compressor and reduce.
Refrigeration agent also reduces by the leakage rate in the space between the driver part in compression, and the result is that the compression efficiency increase is vibrated and noise all reduces.Moreover the refrigeration agent that compressed for the first time is contained in the bottom silencer that is immersed in the oil trap provisionally, and by the oil cooling in the oil trap but, thereby the volume of refrigeration agent reduces the volumetric efficiency increase that refrigeration agent is supplied with.The pulsation that produces when the refrigeration agent that compressed is for the first time supplied with upper cylinder half 23 also is lowered.
As mentioned above, the invention provides and a kind ofly have a plurality of pressing chambers and carry out the rotary compressor of multistage compression by it, reducing compression ratio, and the noise that produces in freezing medium leakage and the compression process.
Although described the present invention by preferred embodiment, those of ordinary skill in the art does not break away under the situation of spirit and scope of appending claims of the present invention as can be seen yet, can its additions and deletions be revised or be replaced.
Claims (10)
1. rotary compressor comprises:
Drive motor with first and second eccentric parts;
Be formed for first cylinder of first pressing chamber of the compression first time of the refrigeration agent extracted out from the external world;
Be formed for second cylinder of second pressing chamber of the compression second time of the refrigeration agent that described first pressing chamber compressed;
With even first and second rollers that connect of first and second eccentric parts of described running shaft, described roller is by eccentric rolling compressed refrigerant in described each pressing chamber respectively.
2. according to the rotary compressor of claim 1, wherein said first and second pressing chambers are that two-part dividing plate constitutes by separating single cylinder interior.
3. according to the rotary compressor of claim 1 or 2, comprise that also baffler is used for holding provisionally the refrigeration agent of being discharged by described second cylinder on one.
4. according to each rotary compressor in the claim 1 to 3, wherein said refrigerant suction and described refrigeration agent floss hole are respectively formed on the inwall of described first cylinder and second cylinder, and a refrigerant flow channel is formed on described first and second inside walls of cylinder, so that the refrigeration agent floss hole of described single cylinder is communicated with the refrigerant suction of described second cylinder.
5. according to the rotary compressor of claim 4, wherein a back-flow prevention valve is installed in the inwall of described refrigerant flow channel, prevents that refrigeration agent is back to described second pressing chamber from described first pressing chamber.
6. according to the rotary compressor of claim 5, wherein said back-flow prevention valve is a pilot valve, is used for flexibly closing described refrigerant flow channel.
7. according to the rotary compressor of claim 1, also comprise a bottom silencer, be used for being contained in provisionally the primary coolant that compressed in described first pressing chamber.
8. according to the rotary compressor of claim 7, comprise that also one is installed in the oil trap that is used for oil storage of described running shaft bottom,
Wherein, the part of described at least baffler immerses in the described oil trap.
9. rotary compressor according to Claim 8, wherein refrigerant suction and refrigeration agent floss hole are formed in the described bottom silencer, refrigerant suction is formed in described second cylinder, and refrigerant flow channel is formed on described first and second inside walls of cylinder, so that the refrigerant suction of described cylinder is communicated with the refrigeration agent floss hole of described bottom silencer.
10. according to each rotary compressor in the claim 7 to 9, wherein said first roller remains on 180 ° with the phase difference of the relative described rotating shaft axis of described second roller.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR19980023405 | 1998-06-22 | ||
| KR19980023404 | 1998-06-22 | ||
| KR23405/98 | 1998-06-22 | ||
| KR23404/98 | 1998-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1239757A true CN1239757A (en) | 1999-12-29 |
Family
ID=26633785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99104193 Pending CN1239757A (en) | 1998-06-22 | 1999-03-24 | Rotary compressor having plurality of compression chambers for multistage compression |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2000009072A (en) |
| CN (1) | CN1239757A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385117C (en) * | 2001-12-20 | 2008-04-30 | Lg电子株式会社 | Suction mechanism of rotary compressor |
| CN1807895B (en) * | 2001-11-30 | 2010-05-12 | 三洋电机株式会社 | Multistage compression type rotary compressor |
| CN102052318A (en) * | 2009-11-04 | 2011-05-11 | 株式会社电装 | Compressor |
| CN102619757A (en) * | 2011-01-27 | 2012-08-01 | 三洋电机株式会社 | Rotary compressor and manufacturing method thereof |
| CN104061164A (en) * | 2013-03-21 | 2014-09-24 | 株式会社丰田自动织机 | Compressor |
| CN104632623B (en) * | 2013-12-23 | 2017-02-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage compressor |
| CN106438359A (en) * | 2015-08-07 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, heat exchange equipment and running method of compressor |
| CN108087272A (en) * | 2017-11-30 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and with its air conditioner |
| CN111005871A (en) * | 2019-12-11 | 2020-04-14 | 珠海格力电器股份有限公司 | Vibration reduction method for parallel system of compressors |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4864589B2 (en) * | 2006-08-03 | 2012-02-01 | 三菱電機株式会社 | Multistage rotary compressor |
| KR101299370B1 (en) | 2007-11-09 | 2013-08-22 | 엘지전자 주식회사 | 2 stage rotary compressor |
| EP2441960B1 (en) * | 2009-06-11 | 2017-06-21 | Mitsubishi Electric Corporation | Refrigerant compressor and heat pump device |
| KR101981096B1 (en) * | 2012-10-12 | 2019-05-22 | 엘지전자 주식회사 | Hemetic compressor |
-
1999
- 1999-02-25 JP JP4877699A patent/JP2000009072A/en active Pending
- 1999-03-24 CN CN 99104193 patent/CN1239757A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807895B (en) * | 2001-11-30 | 2010-05-12 | 三洋电机株式会社 | Multistage compression type rotary compressor |
| CN100385117C (en) * | 2001-12-20 | 2008-04-30 | Lg电子株式会社 | Suction mechanism of rotary compressor |
| CN102052318A (en) * | 2009-11-04 | 2011-05-11 | 株式会社电装 | Compressor |
| CN102619757A (en) * | 2011-01-27 | 2012-08-01 | 三洋电机株式会社 | Rotary compressor and manufacturing method thereof |
| CN102619757B (en) * | 2011-01-27 | 2015-01-14 | 三洋电机株式会社 | Rotary compressor and manufacturing method thereof |
| CN104061164A (en) * | 2013-03-21 | 2014-09-24 | 株式会社丰田自动织机 | Compressor |
| CN104632623B (en) * | 2013-12-23 | 2017-02-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage compressor |
| CN106438359A (en) * | 2015-08-07 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, heat exchange equipment and running method of compressor |
| CN106438359B (en) * | 2015-08-07 | 2019-01-08 | 珠海格力电器股份有限公司 | The operation method of compressor, heat exchange equipment and compressor |
| CN108087272A (en) * | 2017-11-30 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and with its air conditioner |
| WO2019104993A1 (en) * | 2017-11-30 | 2019-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner having same |
| CN108087272B (en) * | 2017-11-30 | 2019-12-27 | 珠海格力电器股份有限公司 | Compressor and air conditioner with same |
| US11326603B2 (en) | 2017-11-30 | 2022-05-10 | Green Refrigeration Equipment Engineering Research Center Of Zhuhai Gree Co., Ltd. | Two-stage compressor with a gas storage chamber between stages and air conditioner having same |
| CN111005871A (en) * | 2019-12-11 | 2020-04-14 | 珠海格力电器股份有限公司 | Vibration reduction method for parallel system of compressors |
| CN111005871B (en) * | 2019-12-11 | 2020-11-10 | 珠海格力电器股份有限公司 | Vibration reduction method for parallel system of compressors |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000009072A (en) | 2000-01-11 |
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