CN100535446C - Method for assembling pump-body of compressor with revolving twin cylinder - Google Patents
Method for assembling pump-body of compressor with revolving twin cylinder Download PDFInfo
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- CN100535446C CN100535446C CNB2004100933950A CN200410093395A CN100535446C CN 100535446 C CN100535446 C CN 100535446C CN B2004100933950 A CNB2004100933950 A CN B2004100933950A CN 200410093395 A CN200410093395 A CN 200410093395A CN 100535446 C CN100535446 C CN 100535446C
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Abstract
A method for assembling pump of double cylinder rotary compressor includes forming M assembly by confirming top and bottom eccentric dimension and setting top and bottom piston on them as well as measuring maximum distance of top piston outer diameter ( OD ) to long shaft another side OD and bottom piston OD to short shaft the same side OD, setting top silencer and top cylinder cover as well as top cylinder, regulating them and inserting piston and crankshaft; forming N assembly by setting intermediate plate and bottom cylinder, regulating and fixing them; laying bottom cylinder cover and bottom silencer down then fixing them.
Description
Technical field
The present invention relates to a kind of assembling method of compressor pump, relate in particular to a kind of method for assembling pump-body of compressor with revolving twin cylinder of the core shift bent axle that is relevant to 180 ° of two phase differences.
Background technique
The major component of the prior art rotary compressor pump housing is made of bent axle and cylinder, and the fit up gap in the compressor pump directly affects the leakage of compressor internal high pressure chamber to low-pressure cavity.This leakage comprises the leakage (piston external diameter and cylinder bore gap) in core shift gap, blade groove clearance leakage, three kinds of cylinder, piston and blade height direction clearance leakages.In three kinds of clearance leakages, the core shift clearance leakage has accounted for very big ratio, so control core shift gap plays a very important role to improving the compressor efficiency tool.Compare with other two gaps of control, control core shift gap difficulty is bigger.The final requirement in core shift gap is 8～15 μ m, and its tolerance only is 7 μ m.When practical set, measure the last eccentric size Amax value after every bent axle and piston are installed, must adjust the position of cylinder up and down, just can make the last lower eccentric gap of bent axle all reach the setting requirement.
Another kind of double-cylinder compressor is owing to there is the core shift portion of 180 ° of two phase differences, the running torque ripple is more much smaller than single-cylinder compressor, so its vibration, noise are all little than single-cylinder compressor, are subjected to the user and favor, but, make relatively difficulty of pump housing assembling because double cylinder structure is complicated.In the assembling of the twin cylinder pump housing, owing to relate to eccentric the adjustment twice, so the assembly sequency of various parts and Assembly are also more, the assembling of a pump housing needs just can finish several times by the mechanism hand upset sometimes, and operation is very complicated.
The method for assembling pump-body of the two cylinders of prior art has following three kinds:
The method for assembling pump-body of first kind of two cylinder of prior art comprises following operation:
Operation one is carried out the core shift assembling with upper cylinder cover and casing top half, becomes assembly A, uses lag bolt and fixes.
Operation two, bent axle is not packed into, and assembly A and intermediate plate, following cylinder are carried out the core shift assembling, uses stay bolt to fix, and measures down the relative position size of cylinder bore and casing top half external diameter simultaneously.
Operation three, stay bolt in the dismounting is packed upper blade, upper piston, bent axle, intermediate plate successively into and to be used stay bolt with following cylinder again in the casing top half and pre-fix.
Operation four is adjusted the relative position of cylinder and casing top half down, adjusts to the following cylinder bore that operation two measures and the relative position size value of casing top half external diameter, uses stay bolt again and fixes.
Operation five: putting into lower piston, lower blade in the cylinder down, cylinder cap down is installed again, revolution bent axle limit, limit is tightened down stay bolt and is fixed.
Operation six: stay bolt in the dismounting, use the fixing last baffler of stay bolt, with playing fixedly bottom silencer of lag bolt.
Method for assembling pump-body according to first kind of two cylinder can produce following problem points, the method complexity, and operation is more, must just can finish the assembling of a pump housing through dismounting repeatedly; The operation process middle pump body needs to carry out twice upset by mechanism hand, and operating efficiency is low; Carry out 3 core shift adjustment altogether, the investment of equipment is bigger, needs 3 core shift machines; Because measuring point is with finally to install and measure a position not quite identical before the crankshaft installed, causing has error, core shift gap instability when installing; Upper cylinder cover (or casing top half) external diameter requirement on machining accuracy is higher, to be used for the actual spot of measurement of relative position.
The method for assembling pump-body of second kind of two cylinder of prior art comprises following operation:
Operation one: will go up baffler and pack in the upper cylinder cover, upper cylinder cover and upper cylinder carry out the core shift assembling, use lag bolt and fix, constituent components A.
Operation two: bottom silencer is packed into to descend in the cylinder cap, and following cylinder cap and lower cylinder carry out the core shift assembling, fix constituent components B with following lag bolt.
Operation three: in the upper cylinder of assembly A, pack into upper piston, upper blade, between assembly A and assembly B, intermediate plate is installed, the lower piston of in the lower cylinder of assembly B, packing into, lower blade is among bent axle plug-in package A and the assembly B.
Operation four: measure the horizontal relative position of assembly B, get central value and adjust the position with respect to assembly A.
Operation five: with stay bolt assembly B is fixed on the assembly A, finishes the assembling of the whole pump housing.
According to the method for assembling pump-body of second kind of two cylinder, finish core shift gap, assembling back and can't measure the quality control difficulty.Lower cylinder core shift gap is that relative bent axle minor axis and following cylinder cap are benchmark, and upper cylinder cover and bent axle major axis are that benchmark is different when turning round with actual compressor, and the major and minor axis coaxality is influential to the actual gap of finishing product.
The method for assembling pump-body of the two cylinders of the third prior art comprises following operation:
Operation one: upper cylinder cover and casing top half are carried out the core shift assembling, become assembly A, use lag bolt and fix.
Operation two: the bent axle of packing in the casing top half of assembly A, upper piston, upper blade, be provided with intermediate plate between casing top half and following cylinder, following cylinder descends the core shift assembling, is connected constituent components B with casing top half with countersunk screw.
Operation three: the lower piston of packing into successively in the following cylinder of assembly B, lower blade, time cylinder cap are connected to become assembly C with following stay bolt.
Operation four: the bottom silencer of packing in the following cylinder cap of assembly C fixedly becomes assembly D with following lag bolt.
Operation five: baffler in the upper cylinder cover of assembly D, packing into, use stay bolt and fix, finish the assembling of the whole pump housing.
According to the method for assembling pump-body of the third pair cylinder, last bottom silencer need be assembled through special operation, and the pump housing needs to overturn once (operation five) by mechanism hand, and operation is complicated.Following cylinder is fixed on the casing top half, and off-centre is to be benchmark with the upper cylinder cover and adjust down, so increased integrating error.
Summary of the invention
The object of the present invention is to provide a kind of method for assembling pump-body of compressor with revolving twin cylinder, it can improve the fit up gap precision, and operation is simple, the equipment less investment, and quality is guaranteed, can adapt to requirements of mass production.
The object of the present invention is achieved like this:
A kind of method for assembling pump-body of compressor with revolving twin cylinder is characterized in that: this method for assembling pump-body comprises following operation:
Operation one is installed lower piston 9a, 9b respectively on bent axle 4, determine the last eccentric size and the following eccentric size of bent axle 4;
Operation two, baffler 11, upper cylinder cover 5, casing top half 6a in the assembling, it is fixing to adjust eccentric gap δ 1 back, inserts upper piston 9a and bent axle 4, constituent components M;
Operation three is with the casing top half 6a assembling of intermediate plate 7 and following cylinder 6b and assembly M; With the internal diameter of cylinder 6b and the distance C between the bent axle minor axis 4b homonymy external diameter under the electric micrometer measurement; Press that cylinder 6b makes lower eccentric gap δ 2 in setting range with respect to the position of upper cylinder cover 5 among the assembly M under the eccentric size adjusting; With countersunk screw 13 intermediate plate 7 is connected with upper cylinder cover 5 with following cylinder 6b; Inserting lower piston 9b, constituent components N in the cylinder 6b down;
Operation four is provided with cylinder cap 8 and bottom silencer 10 down in the following cylinder 6b bottom of component N; In the time of rotary crankshaft, with stay bolt 14 that component N is affixed with following cylinder cap 8 and bottom silencer 10, make down cylinder cap 8 and upper cylinder cover 5, casing top half 6a reach cylinder 6b concentric arrangement down.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, the concrete steps of described operation one are upper piston, lower piston to be installed in respectively on the last eccentric part and following eccentric part of bent axle; Measure the ultimate range Amax of upper piston external diameter with electric micrometer, promptly go up eccentric size to the major axis heteropleural external diameter of bent axle; Measure the ultimate range of lower piston external diameter with electric micrometer, promptly following eccentric size Cmax to minor axis (4b) the homonymy external diameter of bent axle.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, its concrete steps of described operation two are will go up baffler and be contained in upper cylinder cover top, upper cylinder cover and casing top half assembling; Measure the internal diameter of casing top half and the distance A between the upper cylinder cover internal diameter on the opposite direction with electric micrometer; Relative position by last eccentric size adjusting upper cylinder cover and casing top half makes eccentric gap δ 1 in setting range; With lag bolt casing top half and upper cylinder cover are fixed; In casing top half, insert upper piston and bent axle, constituent components M.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, the formula of the eccentric gap δ 1 between described upper piston outer wall and the casing top half inwall is:
δ1＝A-Amax；
Wherein: A is the distance between the internal diameter of casing top half and the upper cylinder cover internal diameter on the opposite direction;
Amax is the ultimate range of upper piston external diameter to the major axis heteropleural external diameter of bent axle, promptly goes up eccentric size.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, the control size scope of described eccentric gap δ 1 is 8～15 μ m.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, the concrete steps of described operation three are, with the casing top half assembling of intermediate plate and following cylinder and assembly M; With the internal diameter of cylinder and the distance C between the bent axle minor axis homonymy external diameter under the electric micrometer measurement; Press that cylinder makes lower eccentric gap δ 2 in setting range with respect to the position of upper cylinder cover among the assembly M under the eccentric size adjusting; With countersunk screw intermediate plate is connected with upper cylinder cover with following cylinder; Inserting lower piston, constituent components N in the cylinder down.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, the formula of the lower eccentric gap δ 2 between described lower piston outer wall and the following cylinder inner wall is:
δ2＝C-Cmax，
Wherein: C is the internal diameter of cylinder down and the distance between the bent axle minor axis homonymy external diameter;
Cmax is the ultimate range of lower piston external diameter to the minor axis homonymy external diameter of bent axle, promptly following eccentric size.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, the control size scope of described lower eccentric gap δ 2 is 8～15 μ m.
In the method for assembling pump-body of above-mentioned compressor with revolving twin cylinder, wherein, the concrete steps of described operation four are cylinder cap and bottom silencer under the following cylinder lower of component N is provided with; In the time of rotary crankshaft, component N is affixed with following cylinder cap and bottom silencer with stay bolt.
The method for assembling pump-body of compressor with revolving twin cylinder of the present invention makes it compared with prior art owing to adopted above-mentioned technological scheme, has following advantage and good effect:
1. the present invention is because operation is simple, as long as two eccentric equipments just can be finished pump housing assembling;
2. the present invention has reduced operation owing to be benchmark with the inner diameter measurement directly, has reduced integrating error;
3. the present invention is because to the core shift gap is directly with the spacer shims measurement down, quality is guaranteed, and adapts to requirements of mass production;
4. in the operation of the present invention owing to core shift and concentric fits on adjusting, can distinguish fit on, bottom silencer, not need to finish assembling, improve working efficiency through special operation;
5. the present invention has strengthened the rigidity of the pump housing greatly owing to the bolt that adopts respectively in each core shift portion with a kind of length, has improved the vibration performance of compressor;
6. the present invention is not owing to need to overturn at whole assembly process middle pump body, and the core shift gap of having avoided like this being caused by issuable collision in the pump housing umklapp process changes, and has accelerated productive temp again greatly;
7. the present invention has unified the benchmark that core shift is adjusted owing to casing top half, following cylinder are all directly fixedlyed connected with upper cylinder cover by stay bolt, has reduced integrating error.
Description of drawings
Embodiment by following method for assembling pump-body to compressor with revolving twin cylinder of the present invention can further understand purpose of the present invention, specific structural features and advantage in conjunction with the description of its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is with the sectional view of piston and bent axle assembling in the method for assembling pump-body of compressor with revolving twin cylinder of the present invention;
Fig. 2 is the sectional view that will go up baffler, upper cylinder cover and casing top half assembling in the method for assembling pump-body of compressor with revolving twin cylinder of the present invention;
Fig. 3 is the sectional view that assembling forms assembly M in the method for assembling pump-body of compressor with revolving twin cylinder of the present invention;
Fig. 4 is the structural representation that assembling forms component N in the method for assembling pump-body of compressor with revolving twin cylinder of the present invention;
Fig. 5 is the pump body structure schematic representation of finishing in the method for assembling pump-body of compressor with revolving twin cylinder of the present invention after the assembling;
Fig. 6 adopts the pump housing of the method for assembling pump-body assembling of compressor with revolving twin cylinder of the present invention to be arranged on the interior structural representation of compressor with revolving twin cylinder housing.
Embodiment
The method for assembling pump-body of compressor with revolving twin cylinder of the present invention comprises following operation:
See also shown in Figure 1ly, this is the piston in the rotary compressor and the sectional view of crankshaft group.
Operation one is determined the last eccentric size of bent axle 4 and is descended eccentric size; Upper piston 9a, lower piston 9b are installed in respectively on the last eccentric part 4c and following eccentric part 4d of bent axle 4; Measure the ultimate range Amax of upper piston 9a external diameter with electric micrometer, promptly go up eccentric size to the major axis 4a heteropleural external diameter of bent axle 4; Measure the ultimate range of lower piston 9b external diameter to the minor axis 4b homonymy external diameter of bent axle 4, i.e. following eccentric size Cmax with electric micrometer.
See also shown in Figure 2ly, operation two is adjusted eccentric gap δ 1, will go up baffler 11 and be contained in upper cylinder cover 5 tops, upper cylinder cover 5 and casing top half 6a assembling; Measure the internal diameter of casing top half 6a and the distance A between 5 internal diameters of the upper cylinder cover on the opposite direction with electric micrometer; By the relative position of last eccentric size adjusting upper cylinder cover 5 with casing top half 6a, the control size scope that makes the eccentric gap δ 1 between upper piston outer wall and the casing top half inwall is at 8～15 μ m; With lag bolt 12 that casing top half 6a and upper cylinder cover 5 is fixing.See also shown in Figure 3ly, in casing top half 6a, insert upper piston 9a and bent axle 4, constituent components M.
In operation two, the formula of the eccentric gap δ 1 between upper piston outer wall and the casing top half inwall is: δ 1=A-Amax;
Wherein: A is the internal diameter of casing top half 6a and the distance between 5 internal diameters of the upper cylinder cover on the opposite direction; Amax is the ultimate range of upper piston 9a external diameter to the major axis 4a heteropleural external diameter of bent axle 4, promptly goes up eccentric size.
See also shown in Figure 4ly, operation three is adjusted lower eccentric gap δ 2, and the casing top half 6a of intermediate plate 7 and following cylinder 6b and assembly M is assembled; With the internal diameter of cylinder 6b and the distance C between the bent axle minor axis 4b homonymy external diameter under the electric micrometer measurement; Press that cylinder 6b is with respect to the position of upper cylinder cover 5 among the assembly M under the eccentric size adjusting, the control size scope that makes the lower eccentric gap 82 between lower piston outer wall and the following cylinder inner wall is at 8～15 μ m; With countersunk screw 13 intermediate plate 7 is connected with upper cylinder cover 5 with following cylinder 6b, is inserting lower piston 9b, constituent components N in the cylinder 6b down.With the lower eccentric gap δ 2 between spacer shims detection lower piston outer wall and the following cylinder inner wall, simple and easy, convenient, can not only effectively increase work efficiency, and make quality guaranteed.
In operation three, the formula of the lower eccentric gap 82 between lower piston outer wall and the following cylinder inner wall is: δ 2=C-Cmax,
Wherein: C is the internal diameter of cylinder 6b down and the distance between the bent axle minor axis 4b external diameter; Cmax is the ultimate range of lower piston 9b external diameter to the minor axis 4b homonymy external diameter of bent axle 4, promptly following eccentric size.
Operation four, concentric fits is provided with cylinder cap 8 and bottom silencer 10 down in the following cylinder 6b bottom of component N, in the time of rotary crankshaft, with stay bolt 14 component N is connected with bottom silencer 10 with following cylinder cap 8.In operation four, cylinder cap 8 was by stay bolt 14 concentric fits under upper cylinder cover 5, casing top half 6a, following cylinder 6b reached.Because casing top half, following cylinder are all fixedlyed connected with upper cylinder cover by stay bolt 14, unified the benchmark that core shift is adjusted, reduced integrating error.
In sum, the inventive method has following superiority: whole pump housing assembling only needs two off-centre to establish For just finishing, equipment input is few; This assemble method is to the external diameter requirement on machining accuracy of upper cylinder cover or casing top half Not high, be directly take inner diameter measurement as benchmark, reduced cumulative errors; Improved the fit-up gap precision; Right Lower eccentric gap can directly adopt simple spacer shims to measure, and not only enhances productivity, and quality is had Guarantee; Whole assembling process middle pump body does not need to overturn, and upper bottom silencer does not need special operation to advance Work flow has been simplified in the row assembling, can adapt to large batch of production requirement.
Claims (7)
1. the method for assembling pump-body of a compressor with revolving twin cylinder, it is characterized in that: this method for assembling pump-body comprises following operation:
Operation one is installed lower piston (9a, 9b) respectively on bent axle (4), determine the last eccentric size and the following eccentric size of bent axle (4);
Operation two, baffler in the assembling (11), upper cylinder cover (5), casing top half (6a), it is fixing to adjust eccentric gap δ 1 back, inserts upper piston (9a) and bent axle (4), constituent components M;
Operation three is assembled intermediate plate (7) and following cylinder (6b) with the casing top half (6a) of assembly M; With the internal diameter of cylinder (6b) and the distance C between bent axle minor axis (4b) the homonymy external diameter under the electric micrometer measurement; Press the position of cylinder under the eccentric size adjusting (6b), make lower eccentric gap δ 2 in setting range with respect to upper cylinder cover (5) among the assembly M; With countersunk screw (13) intermediate plate (7) is connected with upper cylinder cover (5) with following cylinder (6b); Inserting lower piston (9b), constituent components N in the cylinder (6b) down;
Operation four is provided with cylinder cap (8) and bottom silencer (10) down in following cylinder (6b) bottom of component N; In the time of rotary crankshaft, with stay bolt (14) that component N is affixed with following cylinder cap (8) and bottom silencer (10), make down cylinder cap (8) and upper cylinder cover (5), casing top half (6a) reach cylinder (6b) concentric arrangement down.
2. the method for assembling pump-body of compressor with revolving twin cylinder as claimed in claim 1, it is characterized in that: in described operation one, its concrete steps are upper piston (9a), lower piston (9b) to be installed in respectively on the last eccentric part (4c) and following eccentric part (4d) of bent axle (4); Measure the ultimate range Amax of upper piston (9a) external diameter with electric micrometer, promptly go up eccentric size to major axis (4a) the heteropleural external diameter of bent axle (4); Measure the ultimate range of lower piston (9b) external diameter with electric micrometer, promptly following eccentric size Cmax to minor axis (4b) the homonymy external diameter of bent axle (4).
3. the method for assembling pump-body of compressor with revolving twin cylinder as claimed in claim 1 is characterized in that: in described operation two, its concrete steps are will go up baffler (11) and be contained in upper cylinder cover (5) top, upper cylinder cover (5) and casing top half (6a) assembling; Measure the internal diameter of casing top half (6a) and the distance A between the upper cylinder cover on the opposite direction (5) internal diameter with electric micrometer; Relative position by last eccentric size adjusting upper cylinder cover (5) and casing top half (6a) makes eccentric gap δ 1 in setting range; With lag bolt (12) that casing top half (6a) and upper cylinder cover (5) is fixing; In casing top half (6a), insert upper piston (9a) and bent axle (4), constituent components M.
4. the method for assembling pump-body of compressor with revolving twin cylinder as claimed in claim 3, it is characterized in that: the formula of the eccentric gap δ 1 between described upper piston outer wall and the casing top half inwall is:
δ1＝A-Amax；
Wherein: A is the internal diameter of casing top half (6a) and the distance between the upper cylinder cover on the opposite direction (5) internal diameter;
Amax is the ultimate range of upper piston (9a) external diameter to major axis (4a) the heteropleural external diameter of bent axle (4), promptly goes up eccentric size.
5. the method for assembling pump-body of compressor with revolving twin cylinder as claimed in claim 3, it is characterized in that: the control size scope of described eccentric gap δ 1 is 8～15 μ m.
6. the method for assembling pump-body of compressor with revolving twin cylinder as claimed in claim 1, it is characterized in that: the formula of the lower eccentric gap δ 2 between described lower piston outer wall and the following cylinder inner wall is:
δ2＝C-Cmax，
Wherein: C is the internal diameter of cylinder (6b) down and the distance between bent axle minor axis (4b) the homonymy external diameter;
Cmax is the ultimate range of lower piston (9b) external diameter to minor axis (4b) the homonymy external diameter of bent axle (4), promptly following eccentric size.
7. the method for assembling pump-body of compressor with revolving twin cylinder as claimed in claim 1, it is characterized in that: the control size scope of described lower eccentric gap δ 2 is 8～15 μ m.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100933950A CN100535446C (en) | 2004-12-22 | 2004-12-22 | Method for assembling pump-body of compressor with revolving twin cylinder |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100933950A CN100535446C (en) | 2004-12-22 | 2004-12-22 | Method for assembling pump-body of compressor with revolving twin cylinder |
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| CN1796790A CN1796790A (en) | 2006-07-05 |
| CN100535446C true CN100535446C (en) | 2009-09-02 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101684799A (en) * | 2008-09-27 | 2010-03-31 | 乐金电子(天津)电器有限公司 | Two-stage rotating type compressor |
| CN101397997B (en) * | 2008-10-24 | 2010-06-16 | 珠海格力电器股份有限公司 | Assembling method of rotary double cylinder compressor pump body |
| CN101929462A (en) * | 2009-06-24 | 2010-12-29 | 珠海格力电器股份有限公司 | Method for assembling pump body of double-cylinder rotary compressor |
| JP5158048B2 (en) * | 2009-09-17 | 2013-03-06 | 三菱電機株式会社 | Positioning and fixing method, rotary compressor manufacturing method, and rotary compressor |
| CN102094823B (en) * | 2009-12-10 | 2012-10-10 | 广东美芝制冷设备有限公司 | Cylinder assembly and core-adjusting method for cylinder of double-cylinder rotary compressor |
| CN102121474A (en) * | 2010-01-07 | 2011-07-13 | 珠海格力电器股份有限公司 | Method for assembling pump body of double-cylinder rotation type compressor |
| CN102650292A (en) * | 2011-02-24 | 2012-08-29 | 珠海格力电器股份有限公司 | Pump body assembly structure and pump body assembly method for rotary double-cylinder compressor |
| CN103182620B (en) * | 2011-12-28 | 2016-06-29 | 上海日立电器有限公司 | A kind of assembly technology of the twin cylinder rotary compressor pump housing |
| CN103486031B (en) * | 2012-06-14 | 2015-12-16 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of rotary double cylinder compressor pump body assembly method |
| CN103671115B (en) * | 2012-09-20 | 2016-02-10 | 珠海格力电器股份有限公司 | Compressor pump and installation method thereof and compressor |
| CN103147987B (en) * | 2013-01-29 | 2015-10-14 | 珠海格力电器股份有限公司 | A kind of duplex-cylinder rotary compressor and eccentric assembling method thereof |
| CN107476979A (en) * | 2017-08-10 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of compressor, air conditioner and compressor |
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Address after: No. 1051, Yun Qiao Road, Jinqiao, Pudong, Shanghai Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: No. 1051, Yun Qiao Road, Jinqiao, Pudong, Shanghai Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |
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