CN102588274A - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN102588274A CN102588274A CN2011100470681A CN201110047068A CN102588274A CN 102588274 A CN102588274 A CN 102588274A CN 2011100470681 A CN2011100470681 A CN 2011100470681A CN 201110047068 A CN201110047068 A CN 201110047068A CN 102588274 A CN102588274 A CN 102588274A
- Authority
- CN
- China
- Prior art keywords
- main bearing
- bearing parts
- welding
- fixed eddy
- eddy plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 230000004927 fusion Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000005507 spraying Methods 0.000 description 3
- 230000019643 circumnutation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- 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
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
-
- 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
- F04C2240/00—Components
- F04C2240/40—Electric motor
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
- Y10S417/902—Hermetically sealed motor pump unit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a scroll compressor. The purpose of the invention is provided as following: in the scroll compressor in a refrigerated air conditioning system for compressing refrigerant gas, specially in a compressor loaded in vehicle and other movable objects wherein too large vibration acceleration speed is applied, the cost is prevented from increasement and the performance is prevented from deterioration, the deviation of the axle centre of the compressing mechanism is prevented relative to a external applied vibration, and the anti-vibration capability is enhanced. Under the condition that the axle centres are consistent, the main bearing part and scroll disc are welded locally.
Description
Technical field
The present invention relates to the middle scroll compressors that use such as refrigeration air-conditioner.
Background technique
Scroll compressor makes engagement usually and to constitute the whirlpool dish that circles round of compression mechanical part consistent with each axle center of fixed eddy plate, and is through bolt that fixed eddy plate and main bearing portion is fastening.About the fixed eddy plate of compression mechanical part and the fastening structure of main bearing parts, for example 1 record of patent documentation.According to patent documentation 1, the leakage of the compression mechanical part in order to prevent to use high-pressure refrigerant and fixed eddy plate and main bearing parts is fastening through welding low in calories.
During the compression mechanical part of assembling scroll compressor, consistent with the axle center of fixed eddy plate in order to make with the chimeric whirlpool dish of circling round of the eccentric part play of axle, and be relatively fixed position that the whirlpool coils and to utilize bolt to carry out fastening of adjustment and main bearing parts.Fastening force through said bolt; Under the state that turns round fixedly installing; The axle center that keeps compression mechanical part, but the vibration in the excessive conveying or especially when horizontal type scroll compressor being equipped on moving body such as vehicle, shown in JIS-D1601 (automotive component vibration test method); Under the experimental condition of the product that is installed on truck spring; Imagination is until the vibration acceleration of 70m/s2, owing to wait the excessive vibration acceleration that is applied, the possibility that the axle center existence of compression mechanical part departs from having to go on the concavo-convex road surface.
Patent documentation 1: TOHKEMY 2009-121380 communique
In order to prevent the axis deviation of compression mechanical part; Considering has the fastening force that increases bolt; But in this case in order to suppress the distortion that the diameter of bolt increases fastening increase causing or fastening parts, and not only the size of each parts increases, and cost raises; And when fastening distortion increases, might leak the decreased performance that causes.
Summary of the invention
The objective of the invention is to; In the scroll compressor of the isobaric contraction refrigerant gas of refrigeration and cold storage air-conditioning system; Especially be equipped on moving bodys such as vehicle and might applying in the compressor of excessive vibration acceleration; With respect to the external vibration that applies, prevent the departing from of axle center of compression mechanical part.
The object of the invention is through the realization that is described below,
Through bolt with main bearing parts and fixed eddy plate in the fastening scroll compressor that forms compression mechanical part; The peripheral part of said main bearing parts and the peripheral part of fixed eddy plate are carried out local welding; Said welding part than the outer circumferential face of the main bearing parts that join with seal container in the inner part, said welding has the fusion penetration of circular shape.
The invention effect
According to the present invention, can prevent the departing from of axle center of compression mechanical part.
Description of drawings
Fig. 1 is the sectional view of the horizontal type scroll compressor of this mode of execution.
Fig. 2 is the enlarged view of the compression mechanical part peripheral part welding of Fig. 1.
Fig. 3 is the enlarged view of the compression mechanical part periphery chamfered section welding of Fig. 1.
Fig. 4 is the enlarged view of the compression mechanical part peripheral part welding after the fixed eddy plate periphery of Fig. 1 is dwindled.
Fig. 5 is near the enlarged view that the compression mechanical part peripheral part welding part of Fig. 1, is provided with groove.
Symbol description:
1 seal container
2 fixed eddy plates
3 circle round whirlpool dishes
4 main bearing parts
5 bent axles
6 Euclidean rings
7 suction pipes
8 stators
9 rotors
10 bolts
11 supplementary bearings
12 demarcation strips
13 spraying holes
14 spraying pipes
15 periphery notchs
The weld part of 16 fixed eddy plates and main bearing parts
The heap high altitude H of 17 weld metals
18 chamfered section
Groove or hole near 19 weld parts
Embodiment
Below, be example with sealed horizontal type whirlpool dish, use description of drawings mode of execution of the present invention.
Fig. 1 is the sectional view of the horizontal type scroll compressor of this mode of execution.Scroll compressor shown in Figure 1 has been taken in compression mechanical part and motor part in seal container 1.Compression mechanical part is the main structure key element with fixed eddy plate 2, the whirlpool dish 3 that circles round, main bearing parts 4, bent axle 5, Euclidean ring 6.In the suction port of fixed eddy plate 2, be pressed into the suction pipe 7 that is connected with outer loop.Motor part comprises stator 8 and rotor 9, and stator 8 is fixed on the seal container 1 through shrink fit etc., and rotor 9 is embedded in bent axle 5 through being pressed into etc.
The peripheral part of main bearing parts 4 is fixed on the seal container 1, possesses the bearing of the rotation of bearing bent axle 5.The rotation whirlpool dish 3 that circles round freely is installed on the eccentric part of bent axle 5; And has Euclidean ring 6; This Euclidean ring 6 is as supporting the rotation limiting part of guiding between circle round whirlpool dish 3 and main bearing parts 4 so that circle round whirlpool dish 3 with respect to fixed eddy plate 2 not oneself then carry out circumnutation.
The fixed eddy plate 2 that forms pressing chamber with circling round 3 engagements of whirlpool dish is fastened on the main bearing parts 4 through bolt 10.The shaft end of the opposition side of the eccentric part of bent axle 5 is by supplementary bearing 11 supportings, and supplementary bearing 11 is installed on the demarcation strip 12 fixing on the seal container 1.
The whirlpool dish 3 that circles round that receives the rotation of motor via bent axle 5 receives 6 restrictions of Euclidean ring and carries out circumnutation simultaneously.Under the effect of this action, be compressed through the refrigerant gas of suction pipe 7 from the suction port suction of fixed eddy plate 2, discharge to seal container 1 from ejiction opening 13.The refrigerant gas of discharging is supplied with to outer loop from spraying pipe 14.
When the assembling scroll compressor; Through bolt 10 fixed eddy plate 2 is fastened on 4 last times of main bearing parts; Consistent for the axle center of the fixed eddy plate 2 that makes engagement and the whirlpool dish 3 that circles round, and adjust fixed eddy plate 2 with respect to the position of main bearing parts 4 and to utilize bolt 10 to carry out fastening.
The fusion penetration that carries out a local position or a plurality of positions for outer circumferential face periphery notch 15 grades in the inner part of joining with seal container 1 of the peripheral part of the Billy fixed eddy plate 2 after fastening and main bearing parts 4 with bolt 10 is shaped as the welding 16 of circular.Then, weld, can prevent with respect to the external vibration that applies and the situation of fixed eddy plate 2 and the axis deviation of the whirlpool dish 3 that circles round through main bearing parts 4 peripheral parts and seal container 1 to compression mechanical part.
In order to obtain the sufficient weld strength of fixed eddy plate 2 and main bearing parts 4, be about 0.5～3.0mm based on the heap high altitude H17 of the weld metal of welding.At that point, so that the diameter difference in the periphery of the main bearing parts 4 that engage and the interior week of seal container 1 is that the following mode of 0.5mm is managed.Yet; If be in the outer circumferential face that joins with seal container 1 of the peripheral part of main bearing parts 4 based on the high part of heap of the weld metal of welding; Then can hinder engaging of main bearing parts 4 and seal container 1, therefore need carry out the heap high altitude management of weld metal or eliminate.So, the assembling performance such as remove of tightization of welding condition management or the weld metal powder that eliminates worsens.Not only like this, and the weld metal powder of not Ex-all expose and when invading in the gap of compression mechanical part or bearing, become the reason of fault probably.
Therefore, become than the outer circumferential face periphery notch 15 in the inner part that joins with seal container 1 through making this weld part, and fixed eddy plate 2 is not interfered with the welding part and the seal container 1 of the peripheral part of main bearing parts 4, can not damage assembling performance.Thereby can improve fixed eddy plate 2 prevents departing from of axle center with the fastening force of main bearing parts 4.
In addition; About the outer circumferential face welding part in the inner part that joins with seal container 1 than the peripheral part of fixed eddy plate 2 and main bearing parts 4; Enumerate and as shown in Figure 3 fixed eddy plate 2 and fastening bight of main bearing parts 4 are implemented chamfering 18 and chamfered section 18 is welded 16 situation, the periphery circle that makes fixed eddy plate 2 perhaps as shown in Figure 4 welds 16 situation less than the outer circumferential face that joins with seal container 1 of main bearing parts 4 and to fastening bight of the peripheral part of fixed eddy plate 2 and main bearing parts 4.
Need to prove that in Fig. 5, because groove or hole 19 are set, fastening the distortion that therefore welding is caused further reduces near fixed eddy plate 2 or main bearing parts 4 or these both sides' weld part.Through making this groove or hole between the center of part of welding and seal container, utilize the diametric distortion of fixed eddy plate 2, main bearing parts 4, seal container to absorb, therefore most effective.
In order to form pressing chamber; For making under the consistent state in axle center through the main bearing parts of bolton and the peripheral part of fixed eddy plate; Through than the periphery of main bearing parts with the contacted outer circumferential face of seal container periphery notch in the inner part etc., main bearing parts and fixed eddy plate are carried out local welding.
In above embodiment, through bolton behind the compression mechanical part, peripheral part is carried out local welding.If adopt this kind structure,, also can prevent the departing from of axle center of compression mechanical part even then under the situation that applies the excessive vibration acceleration that is equipped on moving bodys such as vehicle.And can improve shock resistance.
Present embodiment is in vertical scroll compressor, and horizontal vibration acceleration such as the impact when linking with respect to the train under the situation that is equipped on train is effective.
Embodiment as patent documentation 1; Carried out fastening based on the welding low in calories of peripheral part; But at that point, be the compression mechanical part when keeping high-pressure refrigerant to use sealing, prevent that leakage from being purpose, be not excessive vibration acceleration corresponding to vehicle boarded grade.
Claims (4)
1. a scroll compressor passes through bolt with main bearing parts and the fastening compression mechanical part that forms of fixed eddy plate in seal container, it is characterized in that,
Peripheral part that makes said main bearing parts and the interior all path of the interface of the peripheral part of said fixed eddy plate than said seal container,
Said interface and said seal container to this path carry out local welding.
2. a scroll compressor, is characterized in that main bearing parts and the fastening compression mechanical part that forms of fixed eddy plate through bolt,
The peripheral part of said main bearing parts and the peripheral part of said fixed eddy plate are carried out local welding, said welding part than the outer circumferential face of the main bearing parts that join with seal container in the inner part, said welding has the fusion penetration of circular shape.
3. scroll compressor according to claim 1 is characterized in that,
On near said main bearing parts the part after the said welding and said fixed eddy plate, be provided with groove or hole.
4. scroll compressor according to claim 3 is characterized in that,
Said groove or hole are between the center of part after the said welding and said seal container.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011005388A JP2012145062A (en) | 2011-01-14 | 2011-01-14 | Scroll compressor |
| JP2011-005388 | 2011-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102588274A true CN102588274A (en) | 2012-07-18 |
Family
ID=46477384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100470681A Pending CN102588274A (en) | 2011-01-14 | 2011-02-24 | Scroll compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2012145062A (en) |
| KR (1) | KR101266741B1 (en) |
| CN (1) | CN102588274A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514716A (en) * | 2013-10-07 | 2015-04-15 | Lg电子株式会社 | Scroll compressor |
| CN106930946A (en) * | 2015-12-31 | 2017-07-07 | 华域三电汽车空调有限公司 | The body of pressure apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101734122B1 (en) | 2013-04-12 | 2017-05-11 | 이래오토모티브시스템 주식회사 | compression-efficiency improving apparatus of scroll type compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103954A (en) * | 1986-05-30 | 1987-12-16 | 松下电器产业株式会社 | Motor compressor |
| JPH04164181A (en) * | 1990-10-29 | 1992-06-09 | Matsushita Electric Ind Co Ltd | Compressor |
| JPH11141469A (en) * | 1997-11-10 | 1999-05-25 | Hitachi Ltd | Scroll compressor |
| CN1289819C (en) * | 2001-12-17 | 2006-12-13 | 乐金电子(天津)电器有限公司 | Vortex compressor |
| US20090068046A1 (en) * | 2006-03-03 | 2009-03-12 | Daikin Industries, Ltd. | Compressor and manufacturing method thereof |
| JP2009121380A (en) * | 2007-11-16 | 2009-06-04 | Panasonic Corp | Hermetic compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209792A (en) * | 1999-01-08 | 2000-07-28 | Matsushita Electric Ind Co Ltd | Motor core |
| JP2007043842A (en) * | 2005-08-04 | 2007-02-15 | Fujitsu General Ltd | Compressor |
| JP2009002290A (en) | 2007-06-25 | 2009-01-08 | Panasonic Corp | Scroll compressor |
-
2011
- 2011-01-14 JP JP2011005388A patent/JP2012145062A/en active Pending
- 2011-02-11 KR KR1020110012110A patent/KR101266741B1/en active IP Right Grant
- 2011-02-24 CN CN2011100470681A patent/CN102588274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103954A (en) * | 1986-05-30 | 1987-12-16 | 松下电器产业株式会社 | Motor compressor |
| JPH04164181A (en) * | 1990-10-29 | 1992-06-09 | Matsushita Electric Ind Co Ltd | Compressor |
| JPH11141469A (en) * | 1997-11-10 | 1999-05-25 | Hitachi Ltd | Scroll compressor |
| CN1289819C (en) * | 2001-12-17 | 2006-12-13 | 乐金电子(天津)电器有限公司 | Vortex compressor |
| US20090068046A1 (en) * | 2006-03-03 | 2009-03-12 | Daikin Industries, Ltd. | Compressor and manufacturing method thereof |
| JP2009121380A (en) * | 2007-11-16 | 2009-06-04 | Panasonic Corp | Hermetic compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514716A (en) * | 2013-10-07 | 2015-04-15 | Lg电子株式会社 | Scroll compressor |
| CN106930946A (en) * | 2015-12-31 | 2017-07-07 | 华域三电汽车空调有限公司 | The body of pressure apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120082793A (en) | 2012-07-24 |
| KR101266741B1 (en) | 2013-05-28 |
| JP2012145062A (en) | 2012-08-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |