CN107269524A - Screw compressor - Google Patents
Screw compressor Download PDFInfo
- Publication number
- CN107269524A CN107269524A CN201710562957.9A CN201710562957A CN107269524A CN 107269524 A CN107269524 A CN 107269524A CN 201710562957 A CN201710562957 A CN 201710562957A CN 107269524 A CN107269524 A CN 107269524A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- screw compressor
- balance weight
- connecting shaft
- driving handle
- 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
Classifications
-
- 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
- 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
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- 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
- F04C2240/60—Shafts
-
- 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
- F04C2240/80—Other components
- F04C2240/807—Balance weight, counterweight
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention relates to a kind of screw compressor.The screw compressor includes main shaft, movable orbiting scroll, connecting shaft, driving handle and balance weight.Connecting shaft is arranged at the end of main shaft, and connecting shaft is located between main shaft and movable orbiting scroll, has specific range between the axis of connecting shaft and the diameter parallel of main shaft, and the axis of connecting shaft and the axis of main shaft；Axial direction of the driving handle along connecting shaft is sheathed on the one end of connecting shaft away from main shaft, and driving handle is connected respectively with connecting shaft and movable orbiting scroll；Balance weight is connected to the end of main shaft, and balance weight is connected on the same one end of main shaft with connecting shaft, and balance weight is separated with driving handle.Above-mentioned screw compressor, can mitigate tilting moment during movable orbiting scroll operating, so that the abrasion caused by avoiding tilting moment when movable orbiting scroll is operated excessive between movable orbiting scroll and fixed scroll, improves the stability of screw compressor operation.In addition, driving handle and balance weight are individually processed, the difficulty of processing and production cost of screw compressor can also be reduced.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of screw compressor.
Background technology
Screw compressor includes fixed scroll, movable orbiting scroll, and fixed scroll and movable orbiting scroll cooperate, and fixed scroll and movable orbiting scroll it
Between formed three compression chambers：Suction muffler, middle pressure chamber and discharge chamber.Screw compressor also includes eccentric drive handle, eccentric drive handle
It is eccentric structure with respect to movable orbiting scroll, eccentric drive handle drives movable orbiting scroll to be revolved round the sun with respect to fixed scroll, realizes the compression of gas.Movable orbiting scroll
Continuous rotation, you can carry out the continuous compression of gas again and again.
But, traditional screw compressor, during movable orbiting scroll rotates, eccentric drive handle can produce uneven centrifugation
Power, the uneven centrifugal force is eventually transferred on movable orbiting scroll, can so increase the turning moment and tilting moment of movable orbiting scroll, so that
Toppling and rotation for aggravation movable orbiting scroll, causes movable orbiting scroll operation to be rocked, movable orbiting scroll changes around the radius of gyration that fixed scroll rotates
Become, the scroll wrap of movable orbiting scroll and fixed scroll can not be engaged well, serious wear, so as to cause screw compressor operation unstable
It is fixed.
The content of the invention
Based on this, it is necessary to in traditional screw compressor, eccentric drive handle can produce unbalanced moments, so that plus
Acute movable orbiting scroll topples and rotation, and there is provided a kind of screw compressor the problem of causing screw compressor fluctuation of service.
A kind of screw compressor, including main shaft and movable orbiting scroll.The screw compressor also includes main shaft, connecting shaft, driving
Handle and balance weight.The connecting shaft is arranged at the end of the main shaft, and the connecting shaft is located at the main shaft and the movable orbiting scroll
Between, the diameter parallel of the axis of the connecting shaft and the main shaft, and the axis of the axis of the connecting shaft and the main shaft
Between have specific range；Axial direction of the driving handle along the connecting shaft is sheathed on one of the connecting shaft away from the main shaft
Hold, and the driving handle is connected respectively with the connecting shaft and the movable orbiting scroll；The balance weight is connected to the end of the main shaft
Portion, and the balance weight and the connecting shaft be connected on the same one end of the main shaft, the balance weight and the driving handle
It is separated.
Above-mentioned screw compressor, balance weight is separated with driving handle, on the one hand, it is relatively quiet that balance weight can balance movable orbiting scroll
The rotating inertia force and rotatory inertia torque produced during the disk revolution of whirlpool, to ensure balance during movable orbiting scroll operating.On the other hand,
Driving handle revolves round the sun as independent member drives movable orbiting scroll with respect to fixed scroll, it is ensured that will not be produced on driving handle and put on dynamic whirlpool
The extra tilting moment of disk.So, can mitigate movable orbiting scroll operating when tilting moment so that avoid because movable orbiting scroll operate when
Tilting moment it is excessive caused by abrasion between movable orbiting scroll and fixed scroll, improve the stability of screw compressor operation.In addition,
Driving handle and balance weight are individually processed, and can also reduce the difficulty of processing and production cost of screw compressor.
In one of the embodiments, gap is provided between the balance weight and the driving handle.
In one of the embodiments, screw compressor also includes pin of stepping down, and the resigning pin is arranged at the main shaft and leaned on
The end of the nearly connecting shaft, the resigning pin is towards the axis of the driving handle and the resigning pin parallel to the main shaft；
Resigning hole is offered on the driving handle, the resigning hole is engaged with the resigning pin.
In one of the embodiments, the resigning pin is stretched into after the resigning hole, pin and the resigning hole of stepping down
There is gap between corresponding surface.
In one of the embodiments, the main shaft just offers positioning hole to one end of the balance weight；It is described to be vortexed
Compressor also includes alignment pin, and the alignment pin is arranged at side of the balance weight just to the main shaft, the alignment pin with
The positioning hole is engaged.
In one of the embodiments, screw lock is passed through between the balance weight and the main shaft.
In one of the embodiments, the screw compressor also includes rotor and two balancing weights, and the rotor is arranged
In on the main shaft；Two balancing weights are respectively arranged at the two ends of the rotor, and two balancing weights perpendicular to
Projection in the plane of the main shaft is positioned at the both sides of the main shaft.
In one of the embodiments, screw compressor also includes cylinder body, the main shaft, the connecting shaft, the driving
Handle and the balance weight be may be contained within the cylinder body, and gap is provided between the inwall of the cylinder body and the balance weight.
In one of the embodiments, the balance weight is located between the main shaft and the movable orbiting scroll, and the balance
Gap is provided between block and the movable orbiting scroll.
Brief description of the drawings
Fig. 1 is the structural representation of the screw compressor of one embodiment of the invention；
Fig. 2 be Fig. 1 shown in screw compressor along A-A to sectional view；
Fig. 3 is the driving handle and the schematic diagram of balance weight of the screw compressor shown in Fig. 1；
Fig. 4 is the sectional view of the B-B direction shown in Fig. 3.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.
Fig. 1 to Fig. 3 is refer to, Fig. 1 is the structural representation of the screw compressor 100 of the present embodiment, and Fig. 2 is shown in Fig. 1
Screw compressor 100 along A-A to sectional view, Fig. 3 be Fig. 1 shown in screw compressor 100 driving handle 17 and balance weight
19 schematic diagram.As shown in Figure 1 to Figure 3, a kind of screw compressor 100 includes main shaft 13, movable orbiting scroll 11, connecting shaft 15, driving
Handle 17 and balance weight 19.During screw compressor 100 is run, main shaft 13 continuously rotates around its axis, with band dynamic vortex
Other parts of compressor 100 are rotated.Connecting shaft 15 is arranged at the end of main shaft 13, and connecting shaft 15 is located at main shaft 13 and movable orbiting scroll
Between 11, have between the axis of connecting shaft 15 and the diameter parallel of main shaft 13, and the axis of connecting shaft 15 and the axis of main shaft 13
There is specific range.Specifically, the diameter of connecting shaft 15 is less than the diameter of main shaft 13, and connecting shaft 15 rotates with main shaft 13, and
Axis around main shaft 13 rotates.Axial direction of the driving handle 17 along connecting shaft 15 is sheathed on the one end of connecting shaft 15 away from main shaft 13, and
Driving handle 17 is connected respectively with connecting shaft 15 and movable orbiting scroll 11, and driving handle 17 rotates with connecting shaft 15, so that driving handle 17 drives
Dynamic movable orbiting scroll 11 rotates around fixed scroll.Balance weight 19 is connected to the end of main shaft 13, and balance weight 19 is connected to connecting shaft 15
On the same one end of main shaft 13, balance weight 19 is separated with driving handle 17.
Above-mentioned screw compressor 100, balance weight 19 is separated with driving handle 17, on the one hand, balance weight 19 can be with balanced dynamic
Rotating inertia force and rotatory inertia torque that whirlpool disk 11 is produced when being revolved round the sun with respect to fixed scroll are flat during ensureing that movable orbiting scroll 11 is operated
Weighing apparatus property.On the other hand, driving handle 17 revolves round the sun as independent member drives movable orbiting scroll 11 with respect to fixed scroll, it is ensured that in driving handle 17
On will not produce the extra tilting moment for putting on movable orbiting scroll 11.This way it is possible to avoid the power of the toppling during operating of movable orbiting scroll 11
Square, so that the abrasion caused by avoiding tilting moment when movable orbiting scroll 11 is operated between movable orbiting scroll 11 and fixed scroll, improves whirlpool
Revolve the stability that compressor 100 is run.In addition, driving handle 17 and balance weight 19 are individually processed, scroll compression can also be reduced
The difficulty of processing and production cost of contracting machine 100.
It should be noted that the specific range of the axis of connecting shaft 15 and the axis of main shaft 13 is preset in advance, with true
The driving movable orbiting scroll 11 of driving handle 17 is protected to move in a circle as radius using the specific range around the basic circle center of circle of fixed scroll.
As shown in Fig. 2 screw compressor 100 also includes cylinder body 21, cylinder body 21 is used to accommodate the other of screw compressor 100
Part.Main shaft 13, connecting shaft 15, driving handle 17 and balance weight 19 may be contained within cylinder body 21.
Screw compressor 100 also includes rotor 23 and two balancing weights 25, and rotor 23 is sheathed on main shaft 13, and rotor 23 is used
Rotated in drive shaft 13.Two balancing weights 25 are respectively arranged at the two ends of rotor 23, and two balancing weights 25 are perpendicular to master
Projection in the plane of axle 13 is positioned at the both sides of main shaft 13.So, two balancing weights 25 can be with the institute when rotated of balancing main shaft 13
The out-of-balance force and torque of generation, it is ensured that the balance that main shaft 13 rotates, so that further such that the operating of screw compressor 100 is flat
Weighing apparatus.
As shown in Fig. 2 screw compressor 100 also includes resigning pin 27, resigning pin 27 is arranged at main shaft 13 close to connecting shaft
15 one end, resigning pin 27 is towards the axis of driving handle 17 and resigning pin 27 parallel to main shaft 13；Offer and allow on driving handle 17
Position hole 29, resigning hole 29 is engaged with resigning pin 27.So, the cooperation of resigning pin 27 and resigning hole 29 is passed through, it is possible to achieve drive
Positioning when dynamic handle 17 is assembled with connecting shaft 15 so that driving handle 17 and the cooperation of connecting shaft 15 are accurate.
Further, resigning pin 27 is stretched into after resigning hole 29, is existed between resigning pin 27 and the corresponding surface of resigning hole 29
Gap.When screw compressor 100 runs well, the driving movable orbiting scroll 11 of driving handle 17 is revolved around fixed scroll with the default radius of gyration
Turn, the scroll wrap of movable orbiting scroll 11 has meshing point with the scroll wrap of fixed scroll all the time, improves the compressibility of screw compressor 100
Energy.In actual processing assembling, the scroll wrap molded line of movable orbiting scroll 11 and the scroll wrap molded line of fixed scroll can have deviation, such as are vortexed
There is projection on tooth wall, or impurity is mixed between the scroll wrap of movable orbiting scroll 11 and the scroll wrap of fixed scroll, that is, cause movable orbiting scroll
The radius of gyration rotated around fixed scroll reduces, and the radius of gyration of main shaft 13, driving handle driving movable orbiting scroll rotation is default fixation
, such that the scroll wrap of movable orbiting scroll 11 and fixed scroll is interfered, cause movable orbiting scroll and fixed scroll to wear and tear and scroll compression
The problem of contracting 100 fluctuation of service of machine.In the present embodiment, between existing between resigning pin 27 and the corresponding surface of resigning hole 29
Gap so that driving handle 17 can be swung with respect to connecting shaft 15, the swing of driving handle 17 can adjust the radius of gyration of movable orbiting scroll 11,
The actual radius of gyration of movable orbiting scroll 11 is set suitably to increased or decrease.Once occur between movable orbiting scroll and the scroll wrap of fixed scroll dry
Relate to, the gap causes the accordingly swing, and then reduce the radius of gyration of movable orbiting scroll of driving handle 17, to realize resigning.After allowing,
Because the effect of the rotatory inertia torque of movable orbiting scroll causes the radius of gyration of movable orbiting scroll to increase again, to realize dynamic fixed scroll just
Often engagement, so as to ensure the scroll wrap molded line of movable orbiting scroll 11 and fixed scroll not mill unnecessary caused by machining deviation or impurity
Damage, and ensure the engagement of the scroll wrap of movable orbiting scroll and fixed scroll well.Simultaneously because resigning pin 27 is corresponding with resigning hole 29
There is gap between surface, the fit precision of resigning hole 29 and resigning pin 27 can also be reduced so that resigning pin 27 and resigning hole
29 handling ease.
Balance weight 19 is located between main shaft 13 and movable orbiting scroll 11, and gap is provided between balance weight 19 and movable orbiting scroll 11.Example
Such as, the gap between balance weight 19 and movable orbiting scroll 11 is 1mm.In this manner it is ensured that during the work of screw compressor 100, balance weight
Phenomenon is not interfered between 19 and movable orbiting scroll 11 so that the stable operation of screw compressor 100.
Gap is provided between the inwall of balance weight 19 and cylinder body 21.For example, between the inwall of balance weight 19 and cylinder body 21
Gap is 1.5mm.So so that operationally balance weight 19 will not interfere phenomenon to screw compressor 100 with cylinder body 21, protect
Demonstrate,prove the stable operation of screw compressor 100.
Gap is provided between balance weight 19 and driving handle 17.So, it will not be done between balance weight 19 and driving handle 17
Relate to phenomenon, it is ensured that the normal table of screw compressor 100 is run.Further, the gap-ratio between balance weight 19 and driving handle 17
Smaller, such as the gap can be 1.5mm, can so make full use of the space between balance weight 19 and driving handle 17 so that
Balance weight 19 is sufficiently large, to cause movable orbiting scroll 11 smoothly to operate as far as possible.The size in the gap can also be other numerical value, can be with
Set according to need of work.
Fig. 4 is refer to, Fig. 4 is the sectional view of the B-B direction shown in Fig. 3.As shown in figure 3, main shaft 13 is just to balance weight 19
One end offers positioning hole (not shown).Screw compressor 100 also includes alignment pin 31, and alignment pin 31 is being arranged at balance weight 19 just
To the side of main shaft 13, alignment pin 31 is engaged with positioning hole.So, the cooperation of alignment pin 31 and positioning hole is passed through, on the one hand,
Balance weight 19 can be caused relative to the accurate positioning of main shaft 13 so that the assembling between balance weight 19 and main shaft 13 is easy.Separately
On the one hand, the swing of the relative main 13 of balance weight 19 can be avoided, it is ensured that the Equilibrium of balance weight 19, balance weight 19 could be balanced
The centrifugal force of movable orbiting scroll 11.Further, the quantity of alignment pin 31 is two.The relative main of balance weight 19 can preferably be avoided
13 swing so that the counterbalance effect of balance weight 19 itself is more preferable.
As shown in Figure 3 and Figure 4, further, locked between balance weight 19 and main shaft 13 by screw 33.So, screw
33 can avoid balance weight 19 in the axial float of main shaft 13, so that balance weight 19 is fixed on main shaft 13, it is ensured that dynamic whirlpool
Disk 11 is balanced, and is improved the operation stability of screw compressor 100, is increased the service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of screw compressor, including main shaft and movable orbiting scroll, it is characterised in that the screw compressor also includes：Connecting shaft,
Driving handle and balance weight, the connecting shaft are arranged at the end of the main shaft, and the connecting shaft is located at the main shaft and described dynamic
Between the disk of whirlpool, the diameter parallel of the axis of the connecting shaft and the main shaft, and the axis of the connecting shaft and the main shaft
There is specific range between axis；Axial direction of the driving handle along the connecting shaft is sheathed on the connecting shaft away from the main shaft
One end, and the driving handle is connected respectively with the connecting shaft and the movable orbiting scroll；The balance weight is connected to the main shaft
End, and the balance weight and the connecting shaft be connected on the same one end of the main shaft, and the balance weight drives with described
Dynamic handle is separated.
2. screw compressor according to claim 1, it is characterised in that be provided between the balance weight and the driving handle
Gap.
3. screw compressor according to claim 1, it is characterised in that also including pin of stepping down, the resigning pin is arranged at
The main shaft is close to the end of the connecting shaft, and the resigning pin is towards the driving handle and the resigning pin parallel to the master
The axis of axle；Resigning hole is offered on the driving handle, the resigning hole is engaged with the resigning pin.
4. screw compressor according to claim 3, it is characterised in that the resigning pin is stretched into after the resigning hole, institute
State between surface corresponding with the resigning hole is sold in resigning and there is gap.
5. screw compressor according to claim 1, it is characterised in that the main shaft is just opened one end of the balance weight
Provided with positioning hole；The screw compressor also includes alignment pin, and the alignment pin is arranged at the balance weight just to the main shaft
Side, the alignment pin is engaged with the positioning hole.
6. screw compressor according to claim 6, it is characterised in that pass through spiral shell between the balance weight and the main shaft
Nail locking.
7. screw compressor according to claim 1, it is characterised in that the screw compressor also includes rotor and two
Balancing weight, the rotor is sheathed on the main shaft；Two balancing weights are respectively arranged at the two ends of the rotor, and two
Projection of the balancing weight in the plane perpendicular to the main shaft is positioned at the both sides of the main shaft.
8. the screw compressor according to any one of claim 1 to 7, it is characterised in that also including cylinder body, the main shaft,
The connecting shaft, the driving handle and the balance weight may be contained within the cylinder body, the inwall of the cylinder body and the balance
Gap is provided between block.
9. screw compressor according to claim 8, it is characterised in that the balance weight is located at the main shaft and moved with described
Gap is provided between the disk of whirlpool, and between the balance weight and the movable orbiting scroll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562957.9A CN107269524A (en) | 2017-07-11 | 2017-07-11 | Screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562957.9A CN107269524A (en) | 2017-07-11 | 2017-07-11 | Screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269524A true CN107269524A (en) | 2017-10-20 |
Family
ID=60071904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710562957.9A Pending CN107269524A (en) | 2017-07-11 | 2017-07-11 | Screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269524A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071592A (en) * | 2018-01-24 | 2018-05-25 | 芜湖奇点新能源科技有限公司 | A kind of shaft, compressor and the automobile using the compressor |
| CN110319001A (en) * | 2018-03-30 | 2019-10-11 | 株式会社丰田自动织机 | Scrawl compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5547354A (en) * | 1993-12-02 | 1996-08-20 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Scroll compressor balancing |
| CN1170086A (en) * | 1996-05-10 | 1998-01-14 | 三电有限公司 | Scroll type fluid displacement apparatus in which manufacturing cost can be decreased |
| CN202381335U (en) * | 2011-12-26 | 2012-08-15 | 郑小桥 | Crank arm of scroll compressor |
| CN206234121U (en) * | 2016-11-18 | 2017-06-09 | 上海光裕汽车空调压缩机股份有限公司 | A kind of oily loop structure of electric scroll compressor |
| CN207297347U (en) * | 2017-07-11 | 2018-05-01 | 上海光裕汽车空调压缩机股份有限公司 | Screw compressor |
-
2017
- 2017-07-11 CN CN201710562957.9A patent/CN107269524A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5547354A (en) * | 1993-12-02 | 1996-08-20 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Scroll compressor balancing |
| CN1170086A (en) * | 1996-05-10 | 1998-01-14 | 三电有限公司 | Scroll type fluid displacement apparatus in which manufacturing cost can be decreased |
| CN202381335U (en) * | 2011-12-26 | 2012-08-15 | 郑小桥 | Crank arm of scroll compressor |
| CN206234121U (en) * | 2016-11-18 | 2017-06-09 | 上海光裕汽车空调压缩机股份有限公司 | A kind of oily loop structure of electric scroll compressor |
| CN207297347U (en) * | 2017-07-11 | 2018-05-01 | 上海光裕汽车空调压缩机股份有限公司 | Screw compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071592A (en) * | 2018-01-24 | 2018-05-25 | 芜湖奇点新能源科技有限公司 | A kind of shaft, compressor and the automobile using the compressor |
| CN110319001A (en) * | 2018-03-30 | 2019-10-11 | 株式会社丰田自动织机 | Scrawl compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 200042 No. 220, new Dian Road, North Development Zone, Jiading District, Shanghai Applicant after: Shanghai Guangyu Automotive Air Conditioning Compressor Co., Ltd. Address before: 200042 No. 220, new Dian Road, North Development Zone, Jiading District, Shanghai Applicant before: SHANGHAI GUANGYU AUTOMOBILE AIR CONDITIONING COMPRESSOR CO., LTD. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
|
| RJ01 | Rejection of invention patent application after publication |