CN106523325A - Lubricating piece and compressor - Google Patents
Lubricating piece and compressor Download PDFInfo
- Publication number
- CN106523325A CN106523325A CN201611057093.7A CN201611057093A CN106523325A CN 106523325 A CN106523325 A CN 106523325A CN 201611057093 A CN201611057093 A CN 201611057093A CN 106523325 A CN106523325 A CN 106523325A
- Authority
- CN
- China
- Prior art keywords
- lubrication part
- lubrication
- axle
- compressor
- axis hole
- 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.)
- Granted
Links
- 230000001050 lubricating effect Effects 0.000 title abstract description 13
- 238000001179 sorption measurement Methods 0.000 claims abstract description 41
- 230000008093 supporting effect Effects 0.000 claims abstract description 35
- 239000010687 lubricating oil Substances 0.000 claims abstract description 25
- 238000005461 lubrication Methods 0.000 claims description 77
- 238000010276 construction Methods 0.000 claims description 28
- 239000003921 oil Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000009837 dry grinding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 239000000314 lubricant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a lubricating piece and a compressor. The lubricating member is used for lubricating between two structural members which move relatively, and comprises: a support structure; and the adsorption structure is coated on the outer surface of the support structure and used for adsorbing lubricating oil and releasing the lubricating oil when being extruded. The lubricating part provided by the invention is provided with the supporting structure and the adsorption structure coated on the outer surface of the supporting structure, and lubricating oil is actively adsorbed by the adsorption structure, so that a relatively complete lubricating oil film is formed under the supporting action of the supporting structure, the lubricating effect is further improved, and dry grinding between structural parts is avoided.
Description
Technical field
The present invention relates to lubricating area, relates more specifically to a kind of lubrication part and the compressor using which.
Background technology
Compressor flange joint noise reduction device and cylinder, can play sealing function, and support is played to bent axle and make to cylinder
With the fit structure of existing flange and bent axle is as shown in figure 1, be provided with axis hole 21 ', bent axle 3 ' penetrates axle in the middle part of flange 2 '
In hole 21 ', oil guide groove is additionally provided with flange 2 ', lubricating oil can be between Jing oil guide grooves be entered between bent axle 3 ' and axis hole 21 '
Gap is lubricated, and when bent axle 3 ' is rotated, complete lubricating oil film can not be formed between bent axle 3 ' and axis hole 21 ', therefore in portion
Point position can occur inordinate wear phenomenon, so as to cause the rising of compressor power consumption.
The content of the invention
In view of this, an object of the present invention is to provide a kind of lubrication part and compressor of high lubricating effect.
A kind of first aspect, there is provided lubrication part.
A kind of lubrication part, for the lubrication between two structural members of relative motion, including：
Supporting construction；
Adsorption structure, is coated on the outer surface of the supporting construction, for adsorpting lubrication oil, and discharges when depressed
Lubricating oil.
Preferably, the lubrication part is arranged between the axle and axis hole for cooperating and prolongs on the axis direction of the axle
Stretch.
Preferably, the supporting construction can be sheathed on the axle.
Preferably, the lubrication part can be rotated with the axle.
Preferably, the supporting construction is in thread or list structure and coiled coil is in the radial outside of the axle.
Preferably, the adsorption structure is in the tubular structure being adapted with the supporting construction and is placed on described thread or bar
In shape structure.
Preferably, the adsorption structure is foamed materialss.
A kind of second aspect, there is provided compressor.
A kind of compressor, including lubrication part as above.
Preferably, the compressor includes flange and the bent axle being arranged in the axis hole of the flange, the lubrication part
It is arranged between the hole wall of the axis hole and the bent axle.
Preferably, after adsorption structure adsorpting lubrication oil expands, the lubrication part can be formed with the bent axle
Be full of to coordinate and gap is formed with the axis hole coordinate.
Preferably, when the unadsorbed lubricating oil of the adsorption structure, the lubrication part is equal with the bent axle and the axis hole
Form gap to coordinate.
Preferably, annular groove is provided with the hole wall of the flange axis hole and/or on the periphery wall of the bent axle, it is described
Lubrication part is arranged in the annular groove.
Preferably, the compressor is frequency-changeable compressor.
The lubrication part that the present invention is provided has supporting construction and is coated on the adsorption structure of supporting construction outer surface, passes through
Adsorption structure active adsorpting lubrication oil, so as to be formed under the supporting role of supporting construction than more complete lubricating oil film, and then
Improve lubricant effect, it is to avoid dry grinding occurs between structural member.
The compressor that the present invention is provided is lubricated using above-mentioned lubrication part, it is to avoid occurred between compressor inner structural member dry
Mill, it is ensured that the efficiency of compressor.
Description of the drawings
By description referring to the drawings to the embodiment of the present invention, above-mentioned and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 illustrates the fit structure sectional view of existing compressor flange and bent axle；
Fig. 2 illustrates the explosive view of the lubrication part that the specific embodiment of the invention is provided；
Fig. 3 illustrates the sectional view of the lubrication part that the specific embodiment of the invention is provided；
Fig. 4 illustrates the specific embodiment of the invention compressor flange for providing and the explosive view for lubricating part；
Fig. 5 illustrates compressor flange, bent axle and the lubrication part fit structure sectional view that the specific embodiment of the invention is provided；
Fig. 6 illustrates the partial enlarged drawing in Fig. 5 at A.
In figure, 2 ', flange；21 ', axis hole；3 ', bent axle；
1st, lubricate part；11st, supporting construction；12nd, adsorption structure；2nd, flange；21st, axis hole；22nd, annular groove；3rd, bent axle.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
It is in detailed description of the text to the present invention, detailed to describe some specific detail sections.Do not have for a person skilled in the art
The description of these detail sections can also understand the present invention completely.In order to avoid obscuring the essence of the present invention, known method, mistake
Journey, flow process, element are not described in detail.
Additionally, it should be understood by one skilled in the art that accompanying drawing is provided to descriptive purpose provided herein, and
What accompanying drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with " the including " in claims, "comprising" etc.
Word should be construed to the implication for including rather than exclusive or exhaustive implication；That is, be " including but not limited to " contains
Justice.
In describing the invention, it is to be understood that term " first ", " second " etc. are not only used for describing purpose, and not
It is understood that to indicate or implying relative importance.Additionally, in describing the invention, unless otherwise stated, the implication of " multiple "
It is two or more.
The invention provides a kind of lubrication part, for the lubrication between two structural members of relative motion, which includes supporting knot
Structure and the adsorption structure of supporting construction outer surface is coated on, adsorption structure adsorpting lubrication oil can discharge when depressed
Lubricating oil, and supporting construction enables to the shape that adsorption structure remains certain, as adsorption structure being capable of active adsorpting lubrication
Oil, so as to be formed between two structural members than more complete lubricating oil film under the supporting role of supporting construction, and then improves profit
Sliding effect, is prevented effectively between structural member and dry grinding occurs.
Wherein, the concrete structure of structural member is not limited, and supporting construction and adsorption structure can be according to the concrete shapes of two structural members
The setting is adapted by shape, i.e. the shape of supporting construction, supporting construction can be set according to the lubricating place between two structural members
Shape form the shape of whole lubrication part, and adsorption structure is then coated on the support structure.The concrete material of adsorption structure
Do not limit, with certain elasticity and can adsorpting lubrication it is oily, and disclosure satisfy that the working environment of structural member (for example needs resistance to height
Temperature), for example, adsorption structure can adopt foam, plastics, resinous material, further preferably adopt polyurethane foam material
Material.Adsorption structure is coated on the support structure preferably in the form of adsorbent thin film.
Below with the concrete structure lubricated to illustrate present invention lubrication part between axle and axis hole.
Lubrication part is arranged between the axle and axis hole for cooperating, for example, lubricate part 1 as shown in Figure 6 and be arranged at compressor
Between the axis hole 21 of bent axle 3 and flange 2, when axle is rotated relative to axis hole, lubrication part 1 can adsorpting lubrication oil, so as to will lubrication
Oil is brought between axle and axis hole, in the rotation process of axle, when axle or axis hole form extruding to lubricating part 1, adsorption structure
12 by the lubricating oil release of absorption, so as to avoid dry grinding between axle and shaft hole inner wall.Preferably, supporting construction 11 is along axle
Axis direction extends so that lubrication part 1 also can extend along the axis direction of axle such that it is able to which lubricating oil is brought into whole axle
Axis direction on, it is ensured that the lubricant effect between axle and axis hole.
It is further preferred that supporting construction 11 is sheathed on axle, i.e. all portions of axle can be surrounded by supporting construction 11, from
And be lubricated and axis hole between whole week portion is countershaft, the further lubricant effect between raising axle and axis hole.
The concrete shape of the supporting construction that can be sheathed on axle is not limited, and enables to lubricate the countershaft shape in the circumferential of part 1
Into surrounding, for example, in one embodiment, supporting construction is sleeve, and sleeve is placed on the radial outside of axle, is to mitigate weight
Amount, can arrange engraved structure on sleeve；In another embodiment, supporting construction be half round buss, the profit of two structures
Saddle radially docks to form a complete sleeve, so as to the installation of convenient lubrication part；In a still further embodiment, knot is supported
Structure is the collar, and set is located on the radial outside of axle, is to improve lubricant effect, can set arrange in the axial direction multiple in outer shaft sleeve
The lubrication part of the structure.
In a preferred embodiment, as shown in Figures 2 and 3, supporting construction 11 is in thread or list structure spiral
The radial outside in axle, i.e. supporting construction 11 are coiled similar to spring structure, or can directly using existing spring as
Support structure 11 is used, and adsorption structure 12 is in tubular structure (the i.e. endoporus and silk of tubular structure being adapted with supporting construction 11
Shape or list structure are adapted) and be placed on thread or list structure so that lubrication part 1 is overall also in the shape of a spiral.Thus, spiral
The lubrication part 1 of shape can cooperatively form good lubricant effect (illustrating below) with axle.
In a further preferred embodiment, can expand after adsorption structure 12 adsorbs a certain amount of lubricating oil, from
And the internal diameter for enabling to lubricate part 1 diminishes, interference fit can be formed with axle, and lubrication part 1 is set to begin with axis hole
Coordinate in gap eventually, thus, when adsorption structure 12 adsorbs enough lubricating oil so that lubrication part 1 forms interference fit with axle
Afterwards, lubrication part 1 can be driven when axle is rotated to be also carried out rotating, on the one hand, the lubricating oil in the adsorption structure 12 of lubrication part 1 can turn
Throw away in the presence of the centrifugal force of movable property life, to increase the lubrication between axle and axis hole, on the other hand, when the rotating speed of axle changes
When, in the presence of inertia force, lubrication part 1 also has rotation trend, therefore lubricates the adsorption structure 12 of part 1 and can be distorted change
Shape, so as to extruding is formed to adsorption structure 12 to discharge lubricating oil, can also reach increases the effect lubricated between axle and axis hole.
Preferably, when it is in helical form as shown in Figures 2 and 3 to lubricate part 1, if the rotating speed of axle changes, helical form
Adsorption structure 12 can accumulate bigger deformation quantity such that it is able to discharge more lubricating oil, so as to further improve lubrication effect
Really.
In a further preferred embodiment, when 12 unadsorbed lubricating oil of adsorption structure, lubrication part 1 is equal with axle and axis hole
Coordinate in gap, so as to the installation of convenient lubrication part 1, it is to avoid friction occurs to adsorption structure with axle, axis hole when lubrication part 1 is installed
12 cause to damage.
The thickness of for example aforesaid adsorbent thin film of adsorption structure 12 it is unsuitable it is blocked up also should not be excessively thin, it is blocked up to cause lubricating fluid
Should not discharge, it is excessively thin, can affect to lubricate the ability that part supplies lubricating oil, it is preferable that the thickness of adsorbent thin film is 0.5mm-
2.5mm。
Further, present invention also offers a kind of compressor, which adopts lubrication part as above to be lubricated, so as to
Good lubricant effect is reached, the performance of compressor is improved.
The specific application within the compressor of lubrication part is described below.As shown in Figures 4 to 6, compressor includes method
Orchid 2 and the bent axle 3 being arranged in the axis hole 21 of flange 2, lubrication part 1 are arranged between the hole wall of axis hole 21 and bent axle 3, Fig. 4
To shown in Fig. 6 be it is spiral lubrication part 1 be arranged between axis hole 21 and bent axle 3, certainly, it is aforesaid can axle with
The lubrication part 1 of the other structures arranged between axis hole is also suitable.
It is further preferred that after 12 adsorpting lubrication of adsorption structure oil expands, lubrication part 1 can form interference with bent axle 3
Coordinate and coordinate in gap with the axis hole 21 of flange 2 all the time.
It is further preferred that annular groove 22 is provided with the hole wall of flange axis hole 21, so as to the setting for lubrication part 1
There is provided accommodation space, you can lubrication part 1 is arranged in annular groove 22, annular groove 22 can be with 1 traditional structure of flange
In oil guide groove connection, lubricate part 1 the just lubricating oil Jing oil guide grooves of adsorption structure 12 be adsorbed onto in annular groove 22.Certainly,
Annular groove 22 is not limited to be arranged on the hole wall of axis hole 21, it is also possible to be arranged on the periphery wall of bent axle 3, or axis hole 21
Hole wall and bent axle 3 periphery wall on be respectively provided with annular groove.
Thus, when the compressor is operating, bent axle 3 is rotated, and 1 adsorpting lubrication of the lubrication part oil in annular groove 22 causes absorption
Structure 12 is expanded, and the internal diameter for lubricating part 1 shrinks, and forms interference fit with bent axle 3, so as to lubricate part 1 with 3 turns of bent axle
Dynamic, the lubricating oil in adsorption structure 12 is thrown away under the centrifugal action for rotating, so as to be moistened between bent axle 3 and axis hole 21
It is sliding.When the rotating speed of compressor changes (such as when compressor start is with stopping, then for example when compressor is frequency-changeable compressor
When bent axle 3 rotating speed when increaseing or decreasing), in the presence of inertia force, lubrication part 1 also has rotation trend, therefore lubricates part 1
Adsorption structure 12 can be distorted deformation, so as to extruding is formed to adsorption structure 12 to discharge lubricating oil, in bent axle 3 and axis hole
It is lubricated between 21.Thus, lubrication part 1 can effectively reduce the abrasion of compressor, compressor efficiency is improved.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each preferred version can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only illustrative, and not restrictive, without departing from the basic of the present invention
In the case of principle, those skilled in the art can be directed to the modification of the various obvious or equivalent that above-mentioned details is made or replace
Change, be all included in scope of the presently claimed invention.
Claims (13)
1. it is a kind of to lubricate part, for the lubrication between two structural members of relative motion, it is characterised in that include：
Supporting construction (11)；
Adsorption structure (12), is coated on the outer surface of the supporting construction (11), for adsorpting lubrication oil, and when depressed
Release lubricating oil.
2. lubrication part according to claim 1, it is characterised in that the lubrication part is arranged at the axle and axis hole for cooperating
Between.
3. lubrication part according to claim 2, it is characterised in that the lubrication part can be sheathed on the axle.
4. lubrication part according to claim 3, it is characterised in that the lubrication part can be rotated with the axle.
5. lubrication part according to claim 3, it is characterised in that the supporting construction (11) is by thread or list structure spiral shell
Rotation is coiled to form.
6. lubrication part according to claim 5, it is characterised in that the adsorption structure (12) in the supporting construction
(11) tubular structure that is adapted simultaneously is placed on described thread or list structure.
7. the lubrication part according to any one of claim 1 to 6, it is characterised in that the adsorption structure (12) is foam, modeling
Material, resin material.
8. a kind of compressor, it is characterised in that include the lubrication part (1) as described in any one of claim 1 to 7.
9. compressor according to claim 8, it is characterised in that the compressor includes flange (2) and is arranged in institute
The bent axle (3) in the axis hole (21) of flange (2) is stated, lubrication part (1) is arranged at the hole wall and the song of the axis hole (21)
Between axle (3).
10. compressor according to claim 9, it is characterised in that when the adsorption structure (12) adsorpting lubrication oil expands
Afterwards, lubrication part (1) can form interference fit and form gap with the axis hole (21) with the bent axle (3) and coordinate.
11. compressors according to claim 9, it is characterised in that when the adsorption structure (12) unadsorbed lubricating oil,
Lubrication part (1) is respectively formed gap cooperation with the bent axle (3) and the axis hole (21).
12. compressors according to claim 9, it is characterised in that on the hole wall of the flange axis hole (21) and/or described
Annular groove (22) is provided with the periphery wall of bent axle (3), lubrication part (1) is arranged in the annular groove (22).
13. compressors according to any one of claim 8 to 12, it is characterised in that the compressor is frequency-changeable compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057093.7A CN106523325B (en) | 2016-11-26 | 2016-11-26 | Lubricating piece and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057093.7A CN106523325B (en) | 2016-11-26 | 2016-11-26 | Lubricating piece and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523325A true CN106523325A (en) | 2017-03-22 |
| CN106523325B CN106523325B (en) | 2019-08-13 |
Family
ID=58357171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057093.7A Active CN106523325B (en) | 2016-11-26 | 2016-11-26 | Lubricating piece and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523325B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194197A (en) * | 1983-12-28 | 1984-11-02 | Hitachi Ltd | Oil feeder |
| FR2609752A1 (en) * | 1987-01-16 | 1988-07-22 | Abg Semca | PISTON LUBRICATION DEVICE |
| CN1277331A (en) * | 1998-04-30 | 2000-12-20 | 贾喜亭 | Elastic element for vehicle suspension |
| CN2690654Y (en) * | 2004-02-28 | 2005-04-06 | 鸿富锦精密工业（深圳）有限公司 | Bearing device with impeoved lubricating system |
| CN201929916U (en) * | 2010-11-19 | 2011-08-17 | 吕品建 | Self-lubricating and transmission device for dehydration tub of rotary mop |
| CN103573628A (en) * | 2012-08-10 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN204061159U (en) * | 2014-06-11 | 2014-12-31 | 浙江欧耀机械有限公司 | The lubricating fitting of plungers pump plunger |
| US20150147203A1 (en) * | 2013-11-28 | 2015-05-28 | Samsung Electronics Co., Ltd. | Compressor |
| CN105370538A (en) * | 2015-11-09 | 2016-03-02 | 珠海凌达压缩机有限公司 | Flange assembly, compressor, heat exchange equipment and compressor machining method |
| CN206386247U (en) * | 2016-11-26 | 2017-08-08 | 珠海凌达压缩机有限公司 | Lubricating piece and compressor |
-
2016
- 2016-11-26 CN CN201611057093.7A patent/CN106523325B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194197A (en) * | 1983-12-28 | 1984-11-02 | Hitachi Ltd | Oil feeder |
| FR2609752A1 (en) * | 1987-01-16 | 1988-07-22 | Abg Semca | PISTON LUBRICATION DEVICE |
| CN1277331A (en) * | 1998-04-30 | 2000-12-20 | 贾喜亭 | Elastic element for vehicle suspension |
| CN2690654Y (en) * | 2004-02-28 | 2005-04-06 | 鸿富锦精密工业（深圳）有限公司 | Bearing device with impeoved lubricating system |
| CN201929916U (en) * | 2010-11-19 | 2011-08-17 | 吕品建 | Self-lubricating and transmission device for dehydration tub of rotary mop |
| CN103573628A (en) * | 2012-08-10 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| US20150147203A1 (en) * | 2013-11-28 | 2015-05-28 | Samsung Electronics Co., Ltd. | Compressor |
| CN204061159U (en) * | 2014-06-11 | 2014-12-31 | 浙江欧耀机械有限公司 | The lubricating fitting of plungers pump plunger |
| CN105370538A (en) * | 2015-11-09 | 2016-03-02 | 珠海凌达压缩机有限公司 | Flange assembly, compressor, heat exchange equipment and compressor machining method |
| CN206386247U (en) * | 2016-11-26 | 2017-08-08 | 珠海凌达压缩机有限公司 | Lubricating piece and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106523325B (en) | 2019-08-13 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190717 Address after: 230088 Anhui city of Hefei province high tech Zone Parkinson weir Science Park Road No. 209. Applicant after: HEFEI LINGDA COMPRESSOR CO.,LTD. Applicant after: ZHUHAI LANDA COMPRESSOR Co.,Ltd. Applicant after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Address before: 519110 Longshan Road, Doumen Industrial Zone, Guangdong, Zhuhai, No. 1 Applicant before: ZHUHAI LANDA COMPRESSOR Co.,Ltd. Applicant before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI |
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