CN202187915U - Vortex compressor - Google Patents
Vortex compressor Download PDFInfo
- Publication number
- CN202187915U CN202187915U CN2011202656229U CN201120265622U CN202187915U CN 202187915 U CN202187915 U CN 202187915U CN 2011202656229 U CN2011202656229 U CN 2011202656229U CN 201120265622 U CN201120265622 U CN 201120265622U CN 202187915 U CN202187915 U CN 202187915U
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- Prior art keywords
- main bearing
- bearing seat
- scroll element
- scroll
- scroll compressor
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Abstract
The utility model relates to a vortex compressor, comprising shells (12, 210), main bearing blocks (16, 240) arranged in the shells (12, 210), fixed vortex parts (64, 220) supported by the main bearing blocks (16, 240); the vortex compressor is characterized in that: the vortex compressor further comprises a first locating groove formed at the position of a first surface in the outer circumferential surfaces of the fixed vortex parts (64, 220) and the inner circumferential surfaces of the main bearing blocks (16, 240), and a locating key (250), wherein a first part of the locating key is in clearance fit wit the first locating groove, a second part of the locating key is restrictively located by a second surface in the outer circumferential surfaces of the fixed vortex parts (64, 220) and the inner circumferential surfaces of the main bearing blocks (16, 240) and is located on the position of the second surface. The vortex compressor has a simple structure, is easy to assemble and has strong reliability.
Description
Technical field
The utility model relates to a kind of scroll compressor.
Background technique
Scroll compressor generally comprises housing, be contained in driving mechanism in the housing, by the compressing mechanism of drive mechanism, the main bearing seat of supports compressor structure etc.Compressing mechanism generally comprises intermeshing moving scroll element and decides scroll element.On the one hand, deciding scroll element need fix in case the fastening scroll element rotates around its axis along sense of rotation with main bearing seat.On the other hand, deciding that scroll element needs can be along the axial motion slightly of its axis, thereby certain axial elasticity is provided for scroll compressor.
Commonly usedly in the existing technology a kind ofly be used to realize to decide scroll element and with this mode that can be fixedly connected in axial sliding between the main bearing seat be: the periphery deciding scroll element is provided with lug; In lug, be formed with through hole; In the arm of main bearing seat, form tapped hole, will decide scroll element and main bearing seat is fixed together through the bolt that has guide thimble.Because the through hole of deciding to form in the lug of scroll element can endwisely slip on guide thimble, therefore allow to decide scroll element with respect to main bearing seat axial motion slightly.In addition, prevented to decide the moving between scroll element and the main bearing seat through bolt along sense of rotation.
The open US2009/0068044A1 of U. S. Patent discloses multinomial technical characteristics.Comprising a kind of mode that can be fixedly connected in axial sliding that is used to realize to decide between scroll element and the main bearing seat.In this mode, can be provided with a guide ring in the periphery of deciding scroll element, be provided with through hole in the guide ring, the use bolt passes the through hole in the guide ring and is screwed in the tapped hole of main bearing seat.Guide ring allows to decide the scroll element axial motion.In addition, decide on the scroll element other groove to be set, and can adopt the locating stud that is fixed to main bearing seat and is engaged in the groove of deciding to be provided with in addition on the scroll element to prevent that the fastening scroll element is around its axis rotation.
The model utility content
The technical problem that the utility model will solve
In above-mentioned first kind of means of fixation, need decide to process through hole on the scroll element, and need to use guide thimble and bolt, the assembly cost and the built-up time of the extra increase compressor of this meeting.In addition, need lug be set, therefore be difficult to reduce to decide the radial dimension of scroll element and compressor in the periphery of deciding scroll element.
In above-mentioned second kind of means of fixation, if use extra locating stud, and deciding the structures such as groove that processing matches with locating stud on scroll element and the main bearing seat, may increase the difficulty of processing and the processing cost of compressor.
Therefore, need a kind of structure simple, be easy to assemble, the scroll compressor of good reliability.
Technological scheme
The purpose of one or several mode of execution of the utility model provide a kind of structure simple, be easy to assemble, the scroll compressor of good reliability.
An aspect according to the utility model provides a kind of scroll compressor, comprising: housing; Be arranged on the main bearing seat in the said housing; The scroll element of deciding by said main bearing seat support; It is characterized in that further comprising: first locating slot that the first surface place in the interior perimeter surface of the said outer surface of deciding scroll element and said main bearing seat forms; And positioning key; Wherein, The first portion of said positioning key and the said first locating slot Spielpassung, said second surface place is restrictively located and be positioned to the second portion of said positioning key by the second surface in the interior perimeter surface of the said outer surface of deciding scroll element and said main bearing seat.
Further, the second surface place in the interior perimeter surface of the said outer surface of deciding scroll element and said main bearing seat is formed with second locating slot, and the second portion of said positioning key and the said second locating slot Spielpassung.Preferably, said positioning key separates formation with said first locating slot and said second locating slot.
Alternatively, the second portion of said positioning key and said is decided to comprise that of said second surface is integrally formed in scroll element and the said main bearing seat.
Preferably, said main bearing seat and said housing are integrally formed.
Preferably, said scroll compressor is one of fully-closed vortex compressor, semiclosed scroll compressor and open scroll compressor.
Preferably, said positioning key is a long-round-shape along the axial cross section perpendicular to said scroll compressor.
Preferably, said scroll compressor is a horizontal type scroll compressor.
Preferably, said first locating slot and said positioning key are positioned at the said foot of deciding scroll element and said main bearing seat accordingly.
Beneficial effect
Advantage according to one or more embodiments' of this specification scroll compressor is:
First surface place in the interior perimeter surface of the outer surface of deciding scroll element and main bearing seat can be formed with first locating slot; The first portion of positioning key can with the first locating slot Spielpassung, said second surface place restrictively located and be positioned to the second portion of positioning key can by the second surface in the interior perimeter surface of the outer surface of deciding scroll element and main bearing seat.This structure can prevent that the fastening scroll element rotates with respect to main bearing seat under with respect to the situation of main bearing seat axial motion allowing decide scroll element.Particularly, because a part of Spielpassung of positioning key is in locating slot, positioning key can easily insert in the locating slot and from locating slot, take out, make scroll compressor assembling, dismantle and reinstall and be more prone to.
In addition, the second surface place in the interior perimeter surface of the outer surface of deciding scroll element and main bearing seat can be formed with second locating slot, and the second portion of positioning key and the said second locating slot Spielpassung.In addition, preferably, positioning key can separate formation with first locating slot and second locating slot.This is further convenient, and positioning key inserts the locating slot neutralization from locating slot, takes out, make scroll compressor assembling, dismantle and reinstall and be more prone to.
Alternatively, the second portion of positioning key can with decide to comprise that of second surface is integrally formed in scroll element and the main bearing seat.Therefore, can reduce number of components, and simplify the structure of scroll compressor.
Adopt the structure of one or several mode of execution of the utility model; Owing to eliminated the lug that is used to install the bolt that has pilot sleeve; Therefore not only can reduce number of components and simplify manufacturing procedure; And can reduce to decide the radial dimension of scroll element, thereby also reduced the whole radial dimension of scroll compressor.
Because between positioning key and the locating slot is Spielpassung, so machining accuracy is not had specific (special) requirements, has reduced difficulty of processing, has saved manufacture cost.
Compare with the situation of available technology adopting locating stud, comprise that the scroll compressor of positioning key can provide higher reliability.
Description of drawings
Through following description with reference to accompanying drawing, one or several embodiment's of the utility model feature and advantage will become and be more prone to understand, wherein:
Fig. 1 is the sectional arrangement drawing according to the scroll compressor of a kind of mode of execution of the utility model;
Fig. 2 is the assembling stereogram that vortex keeps structure of deciding according to a kind of mode of execution of the utility model;
Fig. 3 is the exploded perspective view that vortex keeps structure of deciding according to a kind of mode of execution of the utility model;
Fig. 4 is the top perspective view of deciding scroll element according to a kind of mode of execution of the utility model;
Fig. 5 is the top perspective view according to the main bearing seat of a kind of mode of execution of the utility model;
Fig. 6 is the stereogram when deciding scroll element and main bearing seat and be combined together according to a kind of mode of execution of the utility model;
Fig. 7 is the sectional arrangement drawing according to the scroll compressor of the another kind of mode of execution of the utility model, and this figure is the sectional drawing that the hatching A-A along Fig. 8 is done;
Fig. 8 is the drawing in side sectional elevation according to the scroll compressor of the another kind of mode of execution of the utility model, and this figure is the sectional drawing that the hatching B-B along Fig. 7 is done;
Fig. 9 is according to the exploded perspective view of the scroll compressor of the another kind of mode of execution of the utility model, has wherein removed some parts.
Embodiment
Following description related to the preferred embodiment only is exemplary, and never is the restriction to the utility model and application or usage.
Fig. 1 is the sectional arrangement drawing according to the scroll compressor of a kind of mode of execution of the utility model.As an example, Fig. 1 shows a kind of totally-enclosed vertical scroll compressor.
But those skilled in the art should understand that; One or several mode of execution of the utility model can be suitable for being combined in various different types of scroll compressors, comprises totally enclosed type scroll compressor, semi-enclosed scroll compressor and open scroll compressor.In addition, one or several mode of execution of the utility model can be suitable for being combined in compressing mechanism and is arranged on the high pressure side scroll compressor in the zone of high pressure.In addition, one or several mode of execution of the utility model not only is suitable for vertical scroll compressor, and is suitable for horizontal type scroll compressor.
As shown in Figure 1, scroll compressor 10 comprises housing 12, compressing mechanism 14, black box 15, main bearing seat 16, electric machine assembly 18, refrigeration agent discharge joint 20, discharge valve assembly 21 and the inlet union 22 of general cylindrical shape.Housing 12 surrounds compressing mechanism 14, main bearing seat 16 and electric machine assembly 18.Housing 12 comprises the acoustical panel 26 of the end cap 24 that is positioned at the upper end, substantial transverse extension and is positioned at the base 28 of bottom.Compressing mechanism 14 is driven by electric machine assembly 18 and is supported by main bearing seat 16.Main bearing seat 16 is through being fixedly connected with housing 12 such as modes such as riveted joints.
Below will with reference to Fig. 2-6 describe in detail according to the compressing mechanism 14 of a kind of mode of execution of the utility model with decide the vortex retaining mechanism.Fig. 2 is the assembling stereogram that vortex keeps structure of deciding according to a kind of mode of execution of the utility model; Fig. 3 is the exploded perspective view that vortex keeps structure of deciding according to a kind of mode of execution of the utility model; Fig. 4 is the top perspective view of deciding scroll element according to a kind of mode of execution of the utility model; Fig. 5 is the top perspective view according to the main bearing seat of a kind of mode of execution of the utility model; Fig. 6 is the stereogram when deciding scroll element and main bearing seat and be combined together according to a kind of mode of execution of the utility model.
With reference to figure 1 and Fig. 3-4, to decide scroll element 64 and comprise substrate 80, the bottom of substrate 80 is provided with spiral scrollwork 82.Decide the scrollwork 82 of scroll element 64 and the scrollwork 70 of moving scroll element 66 and be engaged with each other, therefore between them, form a series of for example compression chamber of refrigeration agent of compressed fluid that is used for.These compression chambers radially are respectively the compression chamber of the compression chamber that is in suction pressure, the pressure that mediates from outside to inside and are in the compression chamber of head pressure.Wherein, intermediate pressure is in fluid for example between the suction pressure and head pressure of refrigeration agent.Hereinafter is pressed the chamber during the compression chamber of the pressure that mediates is referred to as.
The top of substrate 80 is formed with annular recess 106, and black box 15 is arranged in the annular recess 106, therefore between black box 15 and annular recess 106, forms back pressure cavity.The bottom of annular recess 106 is formed with and between back pressure cavity and middle pressure chamber, forms the intercommunicating pore 112 that is communicated with.In the compressor operation process, the pressure in the middle pressure chamber is introduced in the back pressure cavity through intercommunicating pore 112, for deciding scroll element 64 downward pressure is provided, and is pressed on the moving scroll element 66 thereby will decide scroll element 64, prevents the escape of liquid between each compression chamber.
The position of approximate centre also is provided with relief opening 96 on the top of substrate 80.The exhaust pressure at relief opening 96 places separates through the interior circumferential wall 108 of annular recess 106 and the intermediate pressure at annular recess 106 places.Refrigeration agent after the compression of relief opening 96 discharges is discharged joint 20 discharge compressors via discharge valve assembly 21 through refrigeration agent.
Deciding scroll element 64 also comprises from the periphery wall 110 of substrate 80 to the general cylindrical shape that extends below and be arranged on scrollwork 82 peripheries.Periphery wall 110 is provided with the 3rd radially outwards outstanding projection 114A direction outstanding four projection 114B (see figure 4) opposite with the 3rd projection 114A with the edge.Be formed with keyway 116A and keyway 116B respectively on the 3rd projection 114A and the 4th projection 114B.Keyway 116A and 116B can match with key 192A and the 192B on the cross slip ring 182.Keyway 83A, the 83B of each key 190A, 190B, 192A, 192B and moving scroll element 66 through cross slip ring 182 and decide being slidingly matched between the keyway 116A, 116B of scroll element 64, moving scroll element 66 can be with respect to deciding scroll element 64 translation rotations.
With reference to figure 3 and Fig. 5, move scroll element 66 and decide scroll element 64 mainly by main bearing seat 16 supports.Main bearing seat 16 comprises the main body 162 of radially extending, and is formed with thrust shaft bearing surface 74 on the main body 162.Main bearing seat 16 also comprises from the upwardly extending vertically a plurality of arms 164,166 and 168 of main body 162.As shown in Figure 5, arm 168 comprises two the first arm 168A that separate and the second arm 168B.Certainly, also can regard the first arm 168A and the second arm 168B as independently arm, in this case, main bearing seat 16 can comprise four arms.It will be understood by those skilled in the art that main bearing seat 16 can comprise more or less arm according to designing requirement.
A kind of mode of execution according to the utility model; The locating slot 170 that forms in one of them arm 168 of main bearing seat 16 (perhaps; In other words; The locating slot 170 that forms between two adjacent arm 168A of main bearing seat 16 and the 168B) circumferential width is set the circumferential width of being a bit larger tham one of them projection (hereinafter, also the being referred to as positioning key sometimes) 114A that decides scroll element 64 for, make the projection 114A that decides scroll element 64 can Spielpassung in the locating slot 170 of main bearing seat 16.The projection 114 of therefore, deciding scroll element 64 can axially be moved in the locating slot 170 of main bearing seat 16 and can not be along circumferential movement.Fig. 6 shows the state when deciding scroll element 64 and be combined together with main bearing seat 16.The state that Fig. 2 shows when guide ring 186, decide scroll element 64, moving scroll element 64, cross slip ring 182 and main bearing seat 16 when fitting together.
Another kind of mode of execution according to the utility model; The circumferential width of deciding two projection 114A and the locating slot between the 114B of scroll element 64 can be set the circumferential width of wherein one or more arms that are a bit larger tham main bearing seat 16 for, makes that one or more arms of main bearing seat 16 can Spielpassung in the locating slot between two projection 114A that decide scroll element 64 and 114B.In this case, also allow to decide scroll element 64, but anti-fastening scroll element 64 rotates with respect to main bearing seat 16 with respect to main bearing seat 16 axial motions.
Another mode of execution according to the utility model; The periphery wall 110 of deciding scroll element 64 is except comprising the 3rd projection 114A and the 4th projection 114B that is provided with keyway 116A and 116B; The projection that also comprises other, for example the 5th projection 117 and the 6th projection 118.Can set the circumferential width of deciding any projection on the scroll element 64 for be slightly smaller than on the main bearing seat 16 locating slot 170 that forms circumferential width makes and realizes Spielpassung between them.At this, any in these projections can be regarded positioning key as.Alternately, can set the circumferential width of the locating slot between any two projections of deciding on the scroll element 64 for be a bit larger tham wherein one or more arms on the main bearing seat 16 circumferential width makes and realizes Spielpassung between them.At this, can regard any arm on the main bearing seat as positioning key.
In the above-described embodiment, positioning key is integrally formed in decides scroll element and main bearing seat on one of them, and locating slot is formed on and decides in scroll element and the main bearing seat another.Alternately; Can positioning key be formed independently parts; That is, in forming locating slot on the inner circle wall of the periphery wall of deciding scroll element and main bearing seat and will the independent positioning key Spielpassung that forms deciding the locating slot of scroll element and main bearing seat (can referring to the mode of execution shown in the subsequent figures 7-9) respectively.
As shown in Figure 3, also comprise guide ring 186 according to the scroll compressor of a kind of mode of execution of the utility model.The internal diameter of guide ring 186 is a bit larger tham the external diameter of deciding scroll element 64 periphery walls 110, make guide ring 186 can Spielpassung on the periphery wall of deciding scroll element 64 110.In addition, be formed with a plurality of holes 188 on the guide ring 186, be formed with a plurality of respective threads hole 198 on the arm of main bearing seat 16.A plurality of bolts 189 can pass each hole 188 on the guide ring 186 and be screwed in the respective screw hole 198 of main bearing seat 16, thereby guide ring 186 is fixed on the main bearing seat 16.
In the normal operation process of compressor, because the pressure in the back pressure cavity is decided scroll element 64 and is crushed on the moving scroll element 66, thereby prevents the leakage between each compression chamber.When having overload in the compression chamber and since guide ring 186 with decide periphery wall 110 Spielpassung of scroll element 64, so decide scroll element 64 axial motion slightly that can make progress.Therefore, form the leakage way that makes that each compression chamber is communicated with, make each compression chamber unload in the end of the scrollwork separately of deciding scroll element and moving scroll element.Because each key of cross slip ring 182 cooperates with each keyway of deciding scroll element and moving scroll element, therefore prevented to decide relatively rotating between scroll element and the moving scroll element.Decide one of them locating slot 170 Spielpassung between each arm of at least one and main bearing seat 16 in the various projections on scroll element 64 periphery walls 110, perhaps at least one arm of main bearing seat 16 and decide the locating slot Spielpassung between any two projections on scroll element 64 periphery walls 110.Deciding scroll element 64 can be with respect to main bearing seat 16 axial motion.Deciding scroll element 64 can not be with respect to main bearing seat 16 circumferential movement or rotation.
With reference to Fig. 7-9 scroll compressor according to another mode of execution of the utility model is described below.
Fig. 7 is the sectional arrangement drawing according to the scroll compressor of the another kind of mode of execution of the utility model, and this figure is the sectional drawing that the hatching A-A along Fig. 8 is done; Fig. 8 is the drawing in side sectional elevation according to the scroll compressor of the another kind of mode of execution of the utility model, and this figure is the sectional drawing that the hatching B-B along Fig. 7 is done; Fig. 9 is according to the exploded perspective view of the scroll compressor of the another kind of mode of execution of the utility model, has wherein removed some parts.As an example, Fig. 7-9 shows a kind of semiclosed horizontal type scroll compressor.
The basic principle of the semiclosed horizontal type scroll compressor shown in Fig. 7-9 and structure and above-mentioned similar with reference to the described totally-enclosed vertical scroll compressor of Fig. 1-7 are repeated no more at this.In addition, about the basic principle and the further describing of structure of semiclosed horizontal type scroll compressor can also be referring to Chinese invention patent application publication number CN101900113A, the full content of the document is incorporated this paper into through reference.
Semiclosed horizontal type scroll compressor 200 according to another mode of execution of the utility model comprises housing 210, decides scroll element 220, moves scroll element 230 and main bearing seat 240.In the mode of execution shown in the figure, main bearing seat 240 forms as one with housing 210, still it will be understood by those skilled in the art that also independently to form main bearing seat 240 and housing 210.
Be formed with first locating slot 222 at the outer surface place that decides scroll element 220, be formed with position and first locating slot, 222 corresponding second locating slots 242 at the interior perimeter surface place of main bearing seat 240.Positioning key 250 Spielpassung make that in first locating slot 222 and second locating slot 242 decide scroll element 220 can move with respect to main bearing seat 240 in the axial direction, decide scroll element 220 and make progress in week with respect to main bearing seat 240 and rotate but stop.
In this mode of execution, positioning key 250 forms independently member.But it should be appreciated by those skilled in the art that positioning key 250 can with one that decides in scroll element 220 and the main bearing seat 240 integrally formed.Promptly; Can one (first surface) in the interior perimeter surface of the outer surface of deciding scroll element 220 and main bearing seat 240 locate to form first locating slot; And can be so that the first portion of positioning key and the first locating slot Spielpassung make the second portion of positioning key restrictively locate and be positioned at said second surface place by another (second surface) in the interior perimeter surface of the outer surface of deciding scroll element 220 and main bearing seat 240.
In this mode of execution, be formed with one group of positioning key and locating slot, but it will be understood by those skilled in the art that and to decide forming many group positioning keys and locating slot between scroll element and the main bearing seat.In this mode of execution, positioning key and locating slot are formed on the foot of deciding scroll element or main bearing seat, but it should be appreciated by those skilled in the art that positioning key and locating slot can be formed on any position of deciding scroll element or making progress in main bearing seat week.
Although described the various mode of executions of the utility model in detail at this; But should be appreciated that the utility model is not limited to the embodiment of describing in detail and illustrating here, under the situation of essence that does not depart from the utility model and scope, can realize other modification and variant by those skilled in the art.All these modification and variant all fall in the scope of the utility model.And all members described here can be replaced by the member that is equal on the other technologies property.
Claims (9)
1. scroll compressor comprises:
Housing (12,210);
Be arranged on the main bearing seat (16,240) in the said housing (12,210);
Decide scroll element (64,220) by what said main bearing seat (16,240) supported;
It is characterized in that further comprising:
First locating slot that first surface place in the interior perimeter surface of the said outer surface of deciding scroll element (64,220) and said main bearing seat (16,240) forms and
Positioning key (250),
Wherein, The first portion of said positioning key and the said first locating slot Spielpassung; The second portion of said positioning key is decided scroll element (64 by said; Said second surface place is restrictively located and be positioned to second surface in the interior perimeter surface of outer surface 220) and said main bearing seat (16,240).
2. scroll compressor as claimed in claim 1; Wherein decide scroll element (64 said; 220) outer surface and said main bearing seat (16; 240) the second surface place in the interior perimeter surface is formed with second locating slot, and the second portion of said positioning key and the said second locating slot Spielpassung.
3. scroll compressor as claimed in claim 1, the second portion of wherein said positioning key (250) and said are decided to comprise that of said second surface is integrally formed in scroll element and the said main bearing seat.
4. scroll compressor as claimed in claim 2, wherein said positioning key (250) separates formation with said first locating slot and said second locating slot.
5. scroll compressor as claimed in claim 1, wherein said main bearing seat (16,240) is integrally formed with said housing (12,210).
6. like each described scroll compressor among the claim 1-5, wherein said scroll compressor is one of fully-closed vortex compressor, semiclosed scroll compressor and open scroll compressor.
7. scroll compressor as claimed in claim 1, wherein said positioning key is a long-round-shape along the axial cross section perpendicular to said scroll compressor.
8. like each described scroll compressor among the claim 1-5, wherein said scroll compressor is a horizontal type scroll compressor.
9. scroll compressor as claimed in claim 8, wherein said first locating slot and said positioning key are positioned at the said foot of deciding scroll element and said main bearing seat accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202656229U CN202187915U (en) | 2011-07-14 | 2011-07-14 | Vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202656229U CN202187915U (en) | 2011-07-14 | 2011-07-14 | Vortex compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187915U true CN202187915U (en) | 2012-04-11 |
Family
ID=45919370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202656229U Expired - Lifetime CN202187915U (en) | 2011-07-14 | 2011-07-14 | Vortex compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187915U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653451A (en) * | 2015-02-09 | 2015-05-27 | 温岭市红宝石真空设备厂（普通合伙） | Vortex pump |
| CN111237188A (en) * | 2018-11-29 | 2020-06-05 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and method for positioning non-orbiting scroll member of scroll compressor |
-
2011
- 2011-07-14 CN CN2011202656229U patent/CN202187915U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653451A (en) * | 2015-02-09 | 2015-05-27 | 温岭市红宝石真空设备厂（普通合伙） | Vortex pump |
| CN111237188A (en) * | 2018-11-29 | 2020-06-05 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and method for positioning non-orbiting scroll member of scroll compressor |
| CN111237188B (en) * | 2018-11-29 | 2024-04-26 | 谷轮环境科技（苏州）有限公司 | Scroll compressor and positioning method for non-orbiting scroll part of scroll compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: EMERSON CLIMATE TECHNOLOGIES (SUZHOU) CO.,LTD Free format text: FORMER OWNER: EMERSON CLIMATE TECHNOLOGIES (SUZHOU) RESEARCH + DEVELOPMENT CO., LTD. Effective date: 20120419 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120419 Address after: 215021, 69 West Road, Suzhou Industrial Park, Jiangsu, China Patentee after: EMERSON CLIMATE TECHNOLOGIES (SUZHOU) Co.,Ltd. Address before: 215021, Emerson building, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, China Patentee before: Emerson Climate Technologies (Suzhou) Research & Development Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
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| CX01 | Expiry of patent term |