CN101761481A - Integral double cylinders of rotating compressor and production method thereof - Google Patents
Integral double cylinders of rotating compressor and production method thereof Download PDFInfo
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- CN101761481A CN101761481A CN200810220416A CN200810220416A CN101761481A CN 101761481 A CN101761481 A CN 101761481A CN 200810220416 A CN200810220416 A CN 200810220416A CN 200810220416 A CN200810220416 A CN 200810220416A CN 101761481 A CN101761481 A CN 101761481A
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- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to integral double cylinders of a rotating compressor and a production method thereof, aiming at simplifying the assembly process flow of a pump body of the compressor, and omitting a centering working procedure between the upper cylinder and the lower cylinder. The invention leads the upper cylinder and the lower cylinder to be manufactured into a whole, namely, an integral cylinder wall can be provided; and then, a clapboard is arranged inside the integral cylinder wall by using multiple ways, so that upper cylinder and the lower cylinder can be separated out. The invention provides the integral double cylinders and the corresponding production method thereof, and the structure of a double-cylinder pump body of the existing rotating compressor is improved, so that the structure is compact, the centering of the double cylinders can be similar to that of a single cylinder; furthermore, a flange can be used for centering, so that the centering working procedure between the upper cylinder and the lower cylinder can be omitted, the assembly process is simplified, and the equipment input of production is reduced.
Description
Technical field
Compressor in the air-conditioning system such as the present invention relates to freeze more particularly, relates to the rotary compressor of twin-tub.
Background technique
Shown in Figure 1 is a kind of existing twin-tub rotation-type compressor, this compressor mainly comprises shell 1, motor 2, bent axle 14 and pump housing mechanism etc., and described pump housing mechanism comprises upper flange 5, casing top half 6 again, goes up roller 13, dividing plate 7, cylinder 8, lower roller 12, lower flange 11 etc. down.Dividing plate 7 is arranged between upper cylinder 6 and the following cylinder 8 and is divided into two independently active chambers, and last roller 13 and lower roller 12 are installed in respectively in casing top half 6 and the following cylinder 8, and are doing eccentric rotary under the effect of bent axle 14 in corresponding cylinder.Because upper and lower two eccentric circles of bent axle have 180 ° phase difference, during operation up and down two cylinder suction and discharge processes hocket, so bent axle is after 360 ° of rotations, each independently finishes suction and discharge once upper and lower cylinder.
It is good that double cylinder rotary compressor has balance than single cylinder rotary compressor, vibration and the little characteristics of noise.But, the pump housing of existing double cylinder rotary compressor by two independently cylinder form, its complex structure, require the independently central lines of upper cylinder and lower cylinder during assembling, need specific centering step, make that the pump housing assembly process of existing double cylinder rotary compressor is loaded down with trivial details, and be difficult for guaranteed quality.
Summary of the invention
The invention provides a kind of integral double cylinders of rotating compressor and corresponding production method, improve the structural type of two cylinder pump housings, when guaranteeing the coaxality of two cylinders, can simplify the assembly process of two cylinder pump housings.
The objective of the invention is to realize by following technological scheme:
A kind of integral double cylinders of rotating compressor is characterized in that: comprise integral type cylinder wall and dividing plate, dividing plate is arranged on integral type cylinder wall inside, is partitioned into upper cylinder and lower cylinder in integral type cylinder wall inside.
Wherein, described dividing plate is one-body molded on integral type cylinder wall inwall.During this kind structure, the production method of above-mentioned integral double cylinders comprises the steps:
(1) utilizes the first base of the two cylinders of the casting integrated formula of metallic material;
(2) mode of cutting in utilization on the first base of described integral double cylinders processes the dividing plate between upper cylinder chamber, lower cylinder chamber and upper and lower air cylinders chamber;
(3) on described dividing plate and then process crankshaft hole.
Wherein, offer circular groove on the described integral type cylinder wall inwall, described dividing plate is an independent component, is embedded in described circular groove.During this kind structure, the production method of above-mentioned integral double cylinders comprises the steps:
(1) utilizes the first base of the casting integrated formula cylinder wall of metallic material;
(2) on the first base of described integral type cylinder wall, utilize the mode of cutting to process a cylinder cavity, at cylinder cavity middle part, offer circular groove along its inwall;
(3) independent processing has the dividing plate of crankshaft hole;
(4) the integral type cylinder wall after step (2) is heated to uniform temperature, make its internal diameter become big, described dividing plate is packed in the circular groove of integral type cylinder wall, cooling then, dividing plate is embedded on the inwall of integral type cylinder wall, is separated out upper cylinder chamber and lower cylinder chamber in integral type cylinder wall inside.
Wherein, on the described integral type cylinder wall and then offer side opening in the described circular groove of dividing plate can being packed into, this side opening place is equipped with separable block, and described dividing plate is made up of the dividing plate first portion and the splicing of dividing plate second portion of two semi-circular sheets.During this kind structure, the production method of above-mentioned integral double cylinders comprises the steps:
(1) utilizes the first base of the casting integrated formula cylinder wall of metallic material;
(2) on the first base of described integral type cylinder wall, utilize the mode of cutting to process a cylinder cavity, at cylinder cavity middle part, offer circular groove along its inwall;
(3) the height place of corresponding circular groove offers side opening on the integral type cylinder wall;
(4) the dividing plate first portion and the dividing plate second portion of the semi-circular sheet of independent processing;
(5) dividing plate first portion and dividing plate second portion are packed into by side opening respectively splice behind the integral type cylinder wall inside, the outer rim of spliced dividing plate is embedded in circular groove, be separated out upper cylinder chamber and lower cylinder chamber in integral type cylinder wall inside;
(6) block is packed in the side opening, and make block cooperate with positioning means between dividing plate;
(7) fixing the reaching of finishing between block and integral type cylinder wall seals.
Two cylinders of integral type provided by the invention and corresponding production method, twin cylinder pump body structure to existing rotary compressor improves, its compact structure, make the centering of two cylinders become and single cylinder similar, only need feel relieved to upper flange, and save centering operation between upper and lower air cylinders, and simplify assembly process, reduce the equipment input of producing.
Description of drawings
Fig. 1 is the sectional view of existing twin-tub rotation-type compressor;
Fig. 2 is the plan view of the integral double cylinders that provides of the embodiment of the invention one;
Fig. 3 be the integral double cylinders that provides of the embodiment of the invention one along A-A among Fig. 2 to sectional view;
Fig. 4 is the plan view of the integral double cylinders that provides of the embodiment of the invention two;
Fig. 5 be the integral double cylinders that provides of the embodiment of the invention two along B-B among Fig. 2 to sectional view;
Fig. 6 is the stereogram of the cylinder wall of the integral double cylinders that provides of the embodiment of the invention three;
Fig. 7 is the stereogram behind dividing plate and the block of packing in the cylinder wall of the integral double cylinders that provides of the embodiment of the invention three;
Fig. 8 is the stereogram of the dividing plate of the integral double cylinders that provides of the embodiment of the invention three;
Fig. 9 is the stereogram of the block of the integral double cylinders that provides of the embodiment of the invention three;
Figure 10 is the fragmentary, perspective view of the integral double cylinders that provides of the embodiment of the invention three;
Figure 11 be the integral double cylinders that provides of the embodiment of the invention three along C-C among Figure 10 to sectional view.
Embodiment
In order to simplify the flow process of compressor pump assembling, save the centering operation together between upper cylinder and the lower cylinder, the present invention manufactures one with upper cylinder and lower cylinder, the main body design provides the integral type cylinder wall, described integral type cylinder wall is meant, soon the cylinder wall of upper cylinder and lower cylinder is made of one, and the axial height of whole integral type cylinder wall should satisfy its inside can be separated out upper and lower two cylinder chambers.Another key point of the present invention is how to be separated out upper and lower two cylinders in the integral type cylinder wall, and how the dividing plate that promptly is used to be separated out upper and lower cylinder is provided with.Provide below and realize three specific embodiments of the present invention:
Embodiment one
In conjunction with consulting Fig. 2 and Fig. 3, the integral double cylinders of rotating compressor 10 that embodiment one provides comprises integral type cylinder wall 110 and dividing plate 120, dividing plate 120 is one-body molded on integral type cylinder wall 110 inwalls, is separated out upper cylinder chamber 111 and lower cylinder chamber 112 in integral type cylinder wall 110 inside.Dividing plate 120 is provided with crankshaft hole 121, wears for bent axle, belongs to prior art.
The production method of the integral double cylinders 10 that embodiment one provides comprises the steps:
(1) utilize the first base of the two cylinders of the casting integrated formula of metallic material, the first base of this integral double cylinders is meant the metallic material blank that can process integral type cylinder wall 110 and one-body molded dividing plate 120 on integral type cylinder wall inwall on its basis by processing modes such as cuttings.
(2) mode of cutting in utilization on the first base of described integral double cylinders processes the dividing plate 120 between upper cylinder chamber 111, lower cylinder chamber 112 and upper and lower air cylinders chamber.Specifically with the first base clamping of integral double cylinders on lathe, milling cutter with two axle center conllinear is processed circle (being upper and lower air cylinders chamber 111,112) in two cylinders in two ends up and down from described blank simultaneously, and reserves certain thickness dividing plate 120 between circle in two cylinders.
(3) on dividing plate 120 and then process crankshaft hole 121.
Embodiment two
In conjunction with consulting Fig. 4 and Fig. 5, the integral double cylinders of rotating compressor 20 that embodiment two provides comprises integral type cylinder wall 210 and dividing plate 220, offer circular groove 213 on integral type cylinder wall 210 inwalls, dividing plate 220 is an individual devices, dividing plate 220 outer rims are embedded in circular groove 213, be separated out upper cylinder chamber 211 and lower cylinder chamber 212 in integral type cylinder wall 210 inside, 213 of dividing plate 220 outer rims and circular grooves are provided with seal ring 214.Dividing plate 220 is provided with crankshaft hole 221, wears for bent axle, belongs to prior art.
The production method of the integral double cylinders 20 that embodiment two provides is as follows:
(1) utilize the first base of the casting integrated formula cylinder wall of metallic material, the first base of this integral type cylinder wall is meant the metallic material blank that can process integral type cylinder wall 210 on its basis by processing modes such as cuttings.
(2) on the first base of described integral type cylinder wall, utilize the mode of cutting to process a cylinder cavity, at cylinder cavity middle part, offer circular groove 213 along its inwall.Described cylinder cavity is meant cavity penetrating, that comprised upper cylinder chamber 211 and lower cylinder chamber 212 up and down, and this cylinder cavity and circular groove 213 can cooperate milling cutter to process by lathe equally.
(3) independent processing has the dividing plate 220 of crankshaft hole 221; Wherein preferable dividing plate external diameter is than the big 0.2～0.5mm of internal diameter of cylinder cavity, and preferable block board thickness is than the little 0.05mm of width of circular groove 213.
(4) the integral type cylinder wall after step (2) is heated to uniform temperature, make its internal diameter become big, described dividing plate 220 is packed in the circular groove 213 of integral type cylinder wall 210, cooling then, dividing plate 220 is embedded on the inwall of integral type cylinder wall 210, is separated out upper cylinder chamber 211 and lower cylinder chamber 212 in integral type cylinder wall 210 inside.
Should note when implementing this scheme:, must control integral type cylinder wall wall thickness within the specific limits for control integral type cylinder wall 210 heating back internal diameters increase.During specific operation, integral type cylinder wall 210 is placed on the special frock plate, after treating that integral type cylinder wall 210 internal diameters become greatly, can use mechanism hand clamping dividing plate 220, upright supports on the frock plate also limits the height that dividing plate 220 arrives circular groove 213, after cooling, integral type cylinder wall 210 internal diameters diminish, and dividing plate 220 just is embedded on the inwall of integral type cylinder wall 210.Leakage in order to prevent to move between upper and lower air cylinders when dividing plate 220 is installed, is provided with O-ring seal 214 between dividing plate 220 outer rims and circular groove 213.
Embodiment three
As shown in Figure 6, the integral double cylinders of rotating compressor 30 that provides of embodiment three comprises integral type cylinder wall 310, dividing plate 320 and block 330.As shown in Figure 7, offer circular groove 313 on integral type cylinder wall 310 inwalls, the height of corresponding circular groove 313 is offered the side opening 315 in the described circular groove 313 of dividing plate 320 can being packed on the integral type cylinder wall 310.In conjunction with Fig. 6 and shown in Figure 8, big for making side opening 315 be unlikely to Kai Detai, make dividing plate 320 to pack into from side opening 315 easily simultaneously, present embodiment central diaphragm 320 is made up of the dividing plate first portion 322 and the dividing plate second portion 323 of two semi-circular sheets, dividing plate first portion 322 and dividing plate second portion 323 spliced center holes are the crankshaft hole 321 that wears for bent axle, dividing plate first portion 322 and dividing plate second portion 323 are packed into 310 inner back splicings of integral type cylinder wall by side opening 315 respectively, the outer rim of spliced dividing plate 320 is embedded in circular groove 313, is separated out upper cylinder chamber 311 and lower cylinder chamber 312 (in conjunction with Figure 11) in integral type cylinder wall 310 inside.In conjunction with Fig. 6 and shown in Figure 9, block 330 is arranged in the side opening 315 separably, be used at dividing plate 320 back shutoff side openings 315 (in conjunction with the Figure 10) that pack into, vertically offer screw hole 316 on the integral type cylinder wall 310, block 330 is provided with screw hole 331, by a screw block 330 is fixed in the side opening 315 of integral type cylinder wall 310.In conjunction with consulting Fig. 8 and Fig. 9, for prevent that dividing plate 320 from rotating behind integral type cylinder wall 310 inside of packing into, between dividing plate 320 and block 330, positioning means is set, particularly, be in dividing plate second portion 323, to make a positioning hole 325, on block 330 intrados positioning block 335 is set, positioning block 335 can pin, adopts the mode that is threaded to screw in the tapped hole on block 330 intrados.
The production method of the integral double cylinders 30 that embodiment three provides is as follows:
(1) utilize the first base of the casting integrated formula cylinder wall of metallic material, the first base of this integral type cylinder wall is meant the metallic material blank that can process integral type cylinder wall 310 on its basis by processing modes such as cuttings.
(2) on the first base of described integral type cylinder wall, utilize the mode of cutting to process a cylinder cavity, at cylinder cavity middle part, offer circular groove 313 along its inwall; Described cylinder cavity is meant cavity penetrating, that comprised upper cylinder chamber 311 and lower cylinder chamber 312 up and down, and this cylinder cavity and circular groove 313 can cooperate milling cutter to process by lathe equally.
(3) the height place of corresponding circular groove 313 offers side opening 315 on integral type cylinder wall 310.
(4) the dividing plate first portion 322 and the dividing plate second portion 323 of the semi-circular sheet of independent processing.
(5) dividing plate first portion 322 and dividing plate second portion 323 are packed into 310 inner back splicings of integral type cylinder wall by side opening 315 respectively, the outer rim of spliced dividing plate 320 is embedded in circular groove 313, is separated out upper cylinder chamber 311 and lower cylinder chamber 312 (in conjunction with Figure 11) in integral type cylinder wall 310 inside; When specifically packing into, be earlier dividing plate first portion 322 to be packed into from side opening 315, rotate an angle, adjust to suitable position; Reinstall dividing plate second portion 323, two ones of first, second piece together a complete dividing plate 320 in circular groove 313.
(6) block 330 is packed in the side opening 315, and make the positioning means of 320 on block 330 and dividing plate cooperate; Being about to the positioning block 335 that is provided with on block 330 intrados cooperates with positioning hole 325 in the dividing plate second portion 323.
(7) finish fixing and sealing of 310 of block 330 and integral type cylinder walls.The fixing of 310 of described block 330 and integral type cylinder walls specifically is meant, the screw hole 331 that is provided with by the screw hole 316 offered on screw and the integral type cylinder wall 310 and block 330 cooperates, and block 330 is fixed in the side opening 315 of integral type cylinder wall 310; The sealing that described block 330 and integral type cylinder wall are 310 is meant and prevents integral type cylinder wall 310 in the gas leakage of side opening 315 places that two kinds of specific implementation methods are arranged: (totally four surface of contact) adopt little interference fit between method one, block 330 and the side opening 315; Method two: 315 of block 330 and side openings adopt Spielpassung, after assembling is finished industrial adhesive are injected the slit, treat its curing, and adhesive is selected in the structural type thermosetting adhesive, serves as preferential with high temperature resistant and high pressure.
The foregoing description only is used for disclosing and unrestricted the present invention, for those of ordinary skills, based on the present invention's design, without the simple transformation of creative work, should belong to this specification scope of disclosure.For example, among the embodiment three, the mode of two semicircular ring splicings of dividing plate and nonessential employing can adopt independent integral type, fully as long as the corresponding described side opening width of integral type cylinder wall is opened greatly can be packed into to dividing plate external diameter size; Means of fixation between the orientation type between block and dividing plate, block and integral type cylinder wall also can adopt existing prior art method.In addition, the foregoing description central diaphragm is arranged on the mode that the mode of integral type cylinder wall inside is formed in one or embeds, and does not also get rid of welding or riveted way certainly.
Claims (13)
1. integral double cylinders of rotating compressor, it is characterized in that: comprise integral type cylinder wall and dividing plate, dividing plate is arranged on integral type cylinder wall inside, is partitioned into upper cylinder and lower cylinder in integral type cylinder wall inside.
2. integral double cylinders of rotating compressor as claimed in claim 1 is characterized in that: described dividing plate is one-body molded on integral type cylinder wall inwall.
3. integral double cylinders of rotating compressor as claimed in claim 1 is characterized in that: offer circular groove on the described integral type cylinder wall inwall, described dividing plate is an independent component, is embedded in described circular groove.
4. integral double cylinders of rotating compressor as claimed in claim 3 is characterized in that: between described circular groove and dividing plate seal ring is set.
5. integral double cylinders of rotating compressor as claimed in claim 3 is characterized in that: offer the side opening in the described circular groove of dividing plate can being packed on the described integral type cylinder wall, this side opening place is equipped with separable block.
6. integral double cylinders of rotating compressor as claimed in claim 5 is characterized in that: described dividing plate is made up of the dividing plate first portion and the splicing of dividing plate second portion of two semi-circular sheets.
7. integral double cylinders of rotating compressor as claimed in claim 5 is characterized in that: be provided with positioning means between described dividing plate and block.
8. integral double cylinders of rotating compressor as claimed in claim 5 is characterized in that: described block by screw in the described side opening of cylinder wall.
9. integral double cylinders of rotating compressor as claimed in claim 5 is characterized in that: block and side opening directly adopt interference fit.
10. integral double cylinders of rotating compressor as claimed in claim 5 is characterized in that: adopt Spielpassung between described block and side opening, adhesive is injected in its gap.
11. a method of producing the described integral double cylinders of rotating compressor of claim 2 is characterized in that, comprises the steps:
(1) utilizes the first base of the two cylinders of the casting integrated formula of metallic material;
(2) mode of cutting in utilization on the first base of described integral double cylinders processes the dividing plate between upper cylinder chamber, lower cylinder chamber and upper and lower air cylinders chamber;
(3) on described dividing plate and then process crankshaft hole.
12. a method of producing the described integral double cylinders of rotating compressor of claim 3 is characterized in that, comprises the steps:
(1) utilizes the first base of the casting integrated formula cylinder wall of metallic material;
(2) on the first base of described integral type cylinder wall, utilize the mode of cutting to process a cylinder cavity, at cylinder cavity middle part, offer circular groove along its inwall;
(3) independent processing has the dividing plate of crankshaft hole;
(4) the integral type cylinder wall after step (2) is heated to uniform temperature, make its internal diameter become big, described dividing plate is packed in the circular groove of integral type cylinder wall, cooling then, dividing plate is embedded on the inwall of integral type cylinder wall, is separated out upper cylinder chamber and lower cylinder chamber in integral type cylinder wall inside.
13. a method of producing the described integral double cylinders of rotating compressor of claim 6 is characterized in that, comprises the steps:
(1) utilizes the first base of the casting integrated formula cylinder wall of metallic material;
(2) on the first base of described integral type cylinder wall, utilize the mode of cutting to process a cylinder cavity, at cylinder cavity middle part, offer circular groove along its inwall;
(3) the height place of corresponding circular groove offers side opening on the integral type cylinder wall;
(4) the dividing plate first portion and the dividing plate second portion of the semi-circular sheet of independent processing;
(5) dividing plate first portion and dividing plate second portion are packed into by side opening respectively splice behind the integral type cylinder wall inside, the outer rim of spliced dividing plate is embedded in circular groove, be separated out upper cylinder chamber and lower cylinder chamber in integral type cylinder wall inside;
(6) block is packed in the side opening, and make block cooperate with positioning means between dividing plate;
(7) fixing the reaching of finishing between block and integral type cylinder wall seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810220416.9A CN101761481B (en) | 2008-12-25 | 2008-12-25 | Integral double cylinders of rotating compressor and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810220416.9A CN101761481B (en) | 2008-12-25 | 2008-12-25 | Integral double cylinders of rotating compressor and production method thereof |
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| Publication Number | Publication Date |
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| CN101761481A true CN101761481A (en) | 2010-06-30 |
| CN101761481B CN101761481B (en) | 2014-05-07 |
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| CN200810220416.9A Expired - Fee Related CN101761481B (en) | 2008-12-25 | 2008-12-25 | Integral double cylinders of rotating compressor and production method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102366880A (en) * | 2011-09-08 | 2012-03-07 | 昆山恒源机械制造有限公司 | Processing method of single-cylinder body machine of air conditioner compressor |
| CN102489962A (en) * | 2011-12-15 | 2012-06-13 | 昆山恒源机械制造有限公司 | Machining method for double cylinder bodies of automobile air-conditioning compressor |
| CN106523363A (en) * | 2017-01-03 | 2017-03-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, compressor pump body and temperature adjustment equipment |
| WO2018103476A1 (en) * | 2016-12-05 | 2018-06-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Air cylinder, pump body assembly, compressor, and temperature adjusting apparatus |
| CN109014798A (en) * | 2018-09-30 | 2018-12-18 | 浙江百达精工股份有限公司 | Rotary compressor cylinder manufacturing method |
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| CN2260905Y (en) * | 1995-03-11 | 1997-08-27 | 尹鹿英 | Rolling-piston type compressor with single cylinder and multiple compression chambers |
| JP4617811B2 (en) * | 2004-09-30 | 2011-01-26 | ダイキン工業株式会社 | Fluid machinery |
| CN201347681Y (en) * | 2009-01-16 | 2009-11-18 | 邝焯珍 | Frame sectional material for quick positioning of middle H-shaped groove during aluminum door and window assembly |
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- 2008-12-25 CN CN200810220416.9A patent/CN101761481B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102366880A (en) * | 2011-09-08 | 2012-03-07 | 昆山恒源机械制造有限公司 | Processing method of single-cylinder body machine of air conditioner compressor |
| CN102489962A (en) * | 2011-12-15 | 2012-06-13 | 昆山恒源机械制造有限公司 | Machining method for double cylinder bodies of automobile air-conditioning compressor |
| CN102489962B (en) * | 2011-12-15 | 2013-08-14 | 昆山恒源机械制造有限公司 | Machining method for double cylinder bodies of automobile air-conditioning compressor |
| WO2018103476A1 (en) * | 2016-12-05 | 2018-06-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Air cylinder, pump body assembly, compressor, and temperature adjusting apparatus |
| US11105331B2 (en) | 2016-12-05 | 2021-08-31 | Green Refrigeration Equipment Engineering Research Center of Zhuhai Gree Co., Ltd | Cylinder, pump body assembly, compressor, and temperature adjusting device |
| CN106523363A (en) * | 2017-01-03 | 2017-03-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, compressor pump body and temperature adjustment equipment |
| CN106523363B (en) * | 2017-01-03 | 2019-01-08 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor, compressor pump and temperature equipment |
| CN109014798A (en) * | 2018-09-30 | 2018-12-18 | 浙江百达精工股份有限公司 | Rotary compressor cylinder manufacturing method |
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| CN101761481B (en) | 2014-05-07 |
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