CN206320034U - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN206320034U CN206320034U CN201490001431.3U CN201490001431U CN206320034U CN 206320034 U CN206320034 U CN 206320034U CN 201490001431 U CN201490001431 U CN 201490001431U CN 206320034 U CN206320034 U CN 206320034U
- Authority
- CN
- China
- Prior art keywords
- scroll
- cross
- partition ring
- keyway
- cross key
- 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.)
- Expired - Fee Related
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
Abstract
The purpose of this utility model be obtain it is a kind of cross keyway (15b) is excavated by reducing the corner of cross key (15a) this case that and so that the not damaged scroll compressor (100) of partition ring (15).Swinging between scroll (10) and partition ring (15), it is arranged at the cross key (15a) at the back side for swinging scroll (10) and slides being arranged in the cross keyway (15b) of the upside of partition ring (15), thus prevents to swing the spinning motion of scroll (10).
Description
Technical field
The utility model is related to the cross of the scroll compressor that air conditioner and refrigeration machine etc. utilize, particularly scroll
Mechanism.
Background technology
Generally, scroll compressor has：Fixed scroll, the fixed scroll is fixed in the frame of compressor container
Frame；Scroll is swung, the swing scroll has the pivot eccentric relative to the center of fixed scroll；Motor drive mechanism
Portion, the mechanism portion is made up of stator and rotor；And main shaft, the main shaft by mechanism portion drive and rotate.In addition,
Scroll compressor has：Sliding part, sliding part supporting swings scroll, to make swing scroll carry out revolution motion；
And eccentric axial portion, the eccentric axial portion is arranged at the top of main shaft in the way of causing sliding part relative to spindle eccentricity, and
With being used as the effect with the assembled shaft of sliding part.
Also, scroll compressor has：Compression unit, the compression unit is by fixed scroll and swings the structures such as scroll
Into, and it is assemblied in eccentric axial portion；The shell of hermetic type, the shell houses mechanism portion；Suction line, the suction line be used for from
It is outside to import refrigerant gas to scroll compressor；And discharge pipe, the discharge pipe by scroll compressor for that will be compressed
Refrigerant gas afterwards is discharged to outside.In addition, scroll compressor also has：Thrust bearing, the thrust bearing is by putting
Dynamic vortex part is constituted with thrust plate；Partition ring, the partition ring constitutes the rotation preventer for swinging scroll；Framework, the framework
Supporting spindle, and fixed by bolt etc. relative to fixed scroll；Subframe, the subframe will be main in compressor bottom
E axle supporting is to rotate freely；And the oil pump of displacement type, the oil pump will be accumulated in the bottom of compressor oil by main shaft
Fuel feeding path and be drawn into sliding part.
Moreover, in existing partition ring, 2 cross key, upside are respectively arranged with the upside and downside of partition ring
Cross key be fastened in the way of it can slide be arranged at swing scroll the back side cross keyway in, the cross key of downside
It is fastened in the way of it can slide in the cross keyway for being arranged at the upper surface of framework (referring for example to patent document 1).
Above-mentioned partition ring is arranged to：Moved back and forth along the cross keyway for being arranged at framework, also, include its reciprocating motion
The overall construction of scope is incorporated in the inside portion of the thrust bearing surface of above-mentioned thrust bearing.
Patent document 1：No. 4032281 publications of Japanese Patent Publication No. (page 5~page 6)
As described above, the partition ring (with reference to patent document 1) of existing scroll compressor in the upside of partition ring and
Downside is provided with cross key, and the cross key of upside is being arranged at slip, the ten of downside in the cross keyway for swinging the scroll back side
Keyboard is slided in the cross keyway for be arranged at the upper surface of framework.
Thus, in the operating of scroll compressor partition ring from swinging upside of the load born of scroll by partition ring
Cross key bear.Here, the cross key of the upside of partition ring is arranged at the position from the axial position of centre of gravity separation of partition ring
Put.Therefore, the load born from swing scroll, which is produced, makes the inclined torque of partition ring.If the torque ratio is by the deadweight of partition ring
The torque of generation is big, then there is the inclined situation of partition ring.Moreover, there are the following problems：In the inclination of the annulus of partition ring
When maximum, the corner of cross key is excavated to cross keyway, causes partition ring damaged.
Particularly when scroll compressor runs at high speed, the load for acting on partition ring is big, and the direction of load is frequent
Change.Accordingly, there exist following problem：The corner of cross key is excavated to cross keyway, and partition ring is easier breakage.
Utility model content
The utility model completes to solve problem as described above, a kind of by reducing its object is to obtain
This case that the corner of cross key is excavated to cross keyway cause the not damaged scroll compressor of partition ring.
Scroll compressor involved by the technical solution of the utility model 1 has：Fixed scroll, the fixed scroll
Framework is fixed in, and the first overlapping portion being provided with as swirling projection is erected in the face of downside；Swing scroll, the pendulum
Dynamic vortex part erects the second overlapping portion being provided with as swirling projection in the face of upside, by the swing scroll with it is described
Fixed scroll is combined in opposed facing mode, and compression is formed between first overlapping portion and second overlapping portion
Room；And partition ring, the partition ring be arranged on it is described swing scroll the face of downside and the upper surface of the framework between,
The swing scroll is set to carry out oscillating motion, the partition ring has the first cross keyway, the swing scroll in upside
With the first cross key slided in the first cross keyway, the framework has the second cross keyway, institute in upper surface
Stating partition ring has the second cross key for being arranged at downside and being slided in the second cross keyway.
Scroll compressor involved by the technical solution of the utility model 2 is characterised by, involved by technical scheme 1
Scroll compressor in, be provided with the processing of the rounding of the corner rounding of front end in the front end of the cross key
Portion.
According to the utility model, cross key is not set in the upside of partition ring and downside, and in the back of the body for swinging scroll
Face and the upper surface of framework set cross key.Moreover, the ring portion in partition ring sets cross keyway.By being formed as such
Construction, the cross at the load self-swinging scroll back side that partition ring is born from swing scroll in the operating of scroll compressor
Key acts on the cross keyway set in partition ring, and the axial position of centre of gravity for being closely located to partition ring that load is acted on.
Therefore, the inclined torque of partition ring is made to diminish.Cross keyway is entered thereby, it is possible to obtain a kind of corner by reducing cross key
Row excavates this case and causes the not damaged scroll compressor of partition ring.
Brief description of the drawings
Fig. 1 is the schematic diagram in the vertical section of the scroll compressor entirety involved by embodiment 1 of the present utility model.
Fig. 2 is the longitudinal section of the cross mechanism involved by embodiment 1 of the present utility model.
Fig. 3 is the longitudinal section of the cross mechanism involved by embodiment 2 of the present utility model.
Fig. 4 is the enlarged drawing of cross key involved by embodiment 3 of the present utility model and cross keyway.
Embodiment
Embodiment 1.
(structure of scroll compressor)
Fig. 1 is the schematic diagram in the vertical section of the scroll compressor entirety involved by embodiment 1 of the present utility model.
As shown in figure 1, the outline of scroll compressor 100 is by being arranged at the pars intermedia container 1a of pars intermedia, being arranged at
The upper container 1c on top and the bottom container 1b compositions for being arranged at bottom, they are connected with each other, and constitute closed container 1.
Pars intermedia container 1a in container 1, is mainly equipped with and is made up of fixed scroll 9 and swing scroll 10 etc.
Compression unit and the drive division that is made up of electric rotary machine 7 etc..
First, reference picture 1 is illustrated to the compression unit of scroll compressor 100.
As shown in figure 1, compression unit is made up of fixed scroll 9, swing scroll 10 and framework 11 etc..Swing scroll
10 are arranged on the downside of fixed scroll 9, and fixed scroll 9 is arranged on the upside for swinging scroll 10.In addition, being vortexed swinging
The downside of part 10 is provided with framework 11, is supported to swing be provided between scroll 10 and framework 11 to swinging scroll 10
Thrust plate 14.Swing scroll 10 with thrust plate 14 via lubricating oil to touch, thus constitute thrust bearing.
The overlapping portion 9a being provided with as swirling projection is erected in the face of the downside of fixed scroll 9.Equally, swinging
The face of the upside of scroll 10, which is also erected, to be provided with above-mentioned substantially the same shapes of overlapping portion 9a as swirling projection
Overlapping portion 10a.Scroll 10 and fixed scroll 9 are swung with overlapping portion 10a and the opposed facing mode groups of overlapping portion 9a
It is assemblied in the state of conjunction in container 1.
In fixed scroll 9 and swing in the state of scroll 10 combines in opposed facing mode, overlapping portion 9a with
Overlapping portion 10a coiling direction is mutually opposing.Moreover, between overlapping portion 9a and overlapping portion 10a, being formed through swing and being vortexed
Part 10 carries out revolution rotary motion (oscillating motion) and discharge chambe 26 that volume relatively changes.In fixed scroll 9, in order to subtract
The refrigerant leakage that few front end face from overlapping portion 9a is produced, in overlapping portion, 9a front end face is equipped with seal 28.Equally, exist
Scroll 10 is swung, in order to reduce the refrigerant leakage from overlapping portion 10a front end face generation, the 10a front end face in overlapping portion
It is equipped with seal 27.
Fixed scroll 9 is fixed in framework 11 by bolt etc. (not shown).In the central portion shape of fixed scroll 9
Into there is outlet 9b, the revolution rotary motion by above-mentioned swing scroll 10 is compressed and is become high pressure by outlet 9b
Refrigerant gas is discharged.Moreover, being compressed and being become the refrigerant gas of high pressure by towards in the setting of the top of fixed scroll 9
Discharge in discharge space 33.
Fig. 2 is the longitudinal section of the cross mechanism involved by embodiment 1 of the present utility model.
As shown in Fig. 2 being arranged at the upside for the partition ring 15 for swinging the cross mechanism between scroll 10 and framework 11
It is provided with 2 cross keyway 15b.In addition, being provided with the cross keyway 15b relative to upside in the downside of partition ring 15 with big
Cause 2 cross keyway 15b of 90 degree of phase difference.
Face (back side) in the downside for swinging scroll 10, with the cross keyway 15b of the upside with being arranged on partition ring 15
The mode of engaging, is provided with cross key 15a.In addition, in the upper surface of framework 11, being also equipped with the cross key relative to upside
15a has the cross key 15a of the phase difference of substantially 90 degree.Swing scroll 10 downside face (back side) cross key 15a with
The mode that can be slided is fastened in the cross keyway 15b for being arranged at the upside of partition ring 15.Equally, the upper surface of framework 11
Cross key 15a is fastened in the way of it can slide to be arranged in the cross keyway 15b of downside.
So, scroll 10 is swung to swing with described later by the partition ring 15 of the cross mechanism for preventing spinning motion
Bearing portion, relative to the progress revolution rotary motion of fixed scroll 9 (oscillating motion) without spinning motion.
Next, being illustrated to above-mentioned swinging axle bearing portion.As shown in figure 1, swing scroll 10 and overlapping portion
The substantially central portion in the 10a face (hereinafter referred to as thrust face) for forming the opposite side in face, is provided with the swinging axle of hollow cylinder shape
Hold 13.Sliding part 16 is rotatably inserted in the oscillation bearing 13, and the eccentric axial portion 4a for being arranged on the upper end of main shaft 4 is inserted in
The sliding surface of the sliding part 16.So, the inner peripheral portion of oscillation bearing 13 and the peripheral part of sliding part 16 touch via lubricating oil, structure
Into swinging axle bearing portion.
Then, the drive division of scroll compressor 100 is illustrated.
As shown in figure 1, drive division is made up of rotor 3, stator 2 and the rotary shaft i.e. main shaft 4 etc. for being fixed in main shaft 4.
Rotor 3 is fixed in main shaft 4, by starting the energization towards stator 2, and rotor 3 is rotated by driving, so that main shaft 4 rotates.
That is, electric rotary machine 7 is constituted by stator 2 and rotor 3.
Main shaft 4 rotates with the rotation of rotor 3, and rotates swing scroll 10.Top (the eccentric shaft of the main shaft 4
Near portion 4a) supported by the base bearing 12 for being arranged at framework 11.In order that the swimmingly rotary motion of main shaft 4, in the base bearing 12
Sleeve 17 is provided between main shaft 4.
On the other hand, the bottom of main shaft 4 is rotatably supported by ball bearing 21.The ball bearing 21 is pressed into fixed
In bearing incorporating section 20a, bearing incorporating section 20a is formed at the central portion in the subframe 20 of the bottom setting of container 1.Separately
Outside, the oil pump 22 of displacement type is provided with subframe 20.The pump shaft 4b and the bodily form of main shaft 4 one of revolving force are transmitted towards the oil pump 22
Into.The lubricating oil attracted by oil pump 22 is conveyed via oilhole 4c being internally formed in main shaft 4 etc. towards each sliding part.
Bottom container 1b turns into the oil storage portion 23 for stockpiling above-mentioned lubricating oil.In addition, being connected with use in pars intermedia container 1a
In the suction line 24 of suction refrigerant gas.The discharge pipe 25 for discharging refrigerant gas is connected with upper container 1c.Whirlpool
Rotary compressor 100 sucks the refrigerant circulated in cooling cycle system from suction line 24, the refrigerant is compressed and
The state of HTHP is become, then from the discharging refrigerant of discharge pipe 25.
(action of scroll compressor 100)
Next, the action to scroll compressor 100 is illustrated.If as shown in figure 1, being applied to electric rotary machine 7
Added with voltage, then there is electric current in the electric wire portion flowing of stator 2, produce magnetic field.The magnetic field plays work in the way of rotating rotor 3
With so that main shaft 4 is driven in rotation together with rotor 3.If main shaft 4 is driven in rotation, make slip via eccentric axial portion 4a
Part 16 also rotates in oscillation bearing 13.Then, the swing scroll 10 that rotation is inhibited by partition ring 15 carries out oscillating motion.
Thus, a part for refrigerant gas flows via the suction inlet (not shown) of framework 11 into discharge chambe 26, refrigerant gas
The suction process of body starts.In addition, the otch for the steel plate that a remaining part for refrigerant gas passes through stator 2, to electronic rotation
Turn mechnisiam to be cooled down with lubricating oil.
For as fixed scroll 9 and swing scroll 10 combine formed by refrigerant gas in discharge chambe 26,
By swinging the oscillating motion of scroll 10, while the volume-diminished of refrigerant gas, the refrigerant gas to swing whirlpool
The center movement of rotating part 10.By the process, the refrigerant gas for being sucked into discharge chambe 26 is compressed.Now, by quilt
The pressure of the refrigerant gas of compression, effect has fixed scroll 9 to be made with swinging scroll 10 in the load being axially separated from each other
Lotus.But, the load is supported by thrust plate 14 (thrust bearing), therefore will not be separated from each other.Refrigerant gas after being compressed
By the outlet 9b of fixed scroll 9, dump valve 29 is pushed open and discharge space 33 is flowed into.Then, via discharge pipe 25
Discharged from container 1.
As above, in scroll compressor 100, cross key 15a is set at the back side for swinging scroll 10, in framework 11
Upper surface is also provided with cross key 15a.Moreover, setting cross annular groove 15b to supply above-mentioned cross key 15a cards in partition ring 15
Close.By being formed as such construction, partition ring 15 is born from swing scroll 10 in the operating of scroll compressor 100
Load acts on the cross keyway 15b set in partition ring 15 from the cross key 15a for swinging the scroll back side.That is, compared with
Cross key 15a compared with the height that cross keyway 15b engages, what the cross key 15a and cross keyway 15b of present embodiment engaged
Height step-down.Thus, the axial direction for being closely located to partition ring 15 that the load that partition ring 15 is born from swing scroll 10 is acted on
Position of centre of gravity, therefore the inclined torque of partition ring 15 is diminished.Thereby, it is possible to obtain being not present because of cross key 15a corner
Excavate cross keyway 15b and cause the scroll compressor 100 of this case that the breakage of partition ring 15.
Embodiment 2.
The scroll compressor of the basic structure of the scroll compressor 100 of present embodiment 2 and above-mentioned embodiment 1
100 is identical.Thus, below, by with being illustrated centered on the difference of embodiment 1 to present embodiment 2.
Fig. 3 is the longitudinal section of the cross mechanism involved by embodiment 2 of the present utility model.
As shown in figure 3, the lower surface in partition ring 15 sets cross key 15a, cross key is set in the upper surface of partition ring 15
Groove 15b.Moreover, setting cross keyway 15b in the upper surface of framework 11, cross key 15a is set at the back side for swinging scroll 10.
So, the cross key 15a of the lower surface of partition ring 15 is made to be fastened on the upper table of framework 11 in the way of it can slide
In the cross keyway 15b in face.In addition, making the cross key 15a at the back side of swing scroll 10 be fastened in the way of it can slide
In the cross keyway 15b of partition ring 15.
Thus, equally, as described in embodiment 1, the partition ring 15 in the operating of scroll compressor 100
The position for the axial center of gravity for being closely located to partition ring 15 that the load born from swing scroll 10 is acted on, therefore make cross
The inclined torque of ring 15 diminishes.Cause thereby, it is possible to obtain being not present because cross keyway 15b is excavated in cross key 15a corner
The scroll compressor 100 of this case that the breakage of partition ring 15.
Embodiment 3.
The basic structure of the scroll compressor 100 of present embodiment 3 is identical with above-mentioned embodiment 1 and 2, but right
Cross key 15a front end implements different on Machining of Curved Surface (rounding (R) processing) this aspect.Hereinafter, with embodiment 1 and
Present embodiment 3 is illustrated centered on 2 difference.
Fig. 4 is the enlarged drawing of cross key involved by embodiment 3 of the present utility model and cross keyway.
As shown in figure 4, implementing Machining of Curved Surface (rounding (R) processing) to cross key 15a front end, curved surface is formed with
15c.The load that partition ring 15 is born from swing scroll, which is produced, makes the inclined torque of partition ring 15.If the torque ratio is by partition ring
The torque that 15 deadweight is produced is big, then there is the inclined situation of partition ring 15.Moreover, the inclination in the annulus of partition ring 15 becomes
When big, the corner that there is a situation where cross key 15a excavates cross keyway 15b and causes partition ring 15 damaged.Therefore, in this implementation
In mode 3, curved surface 15c (rounding (R) processing) is set in cross key 15a front end.Thereby, it is possible to obtain following vortex
Compressor 100：Even if, also will not be because to cross keyway in the case of being contacted in cross key 15a corner with cross keyway 15b
15b is excavated and is caused partition ring 15 damaged.
Description of reference numerals
1：Container；1a：Pars intermedia container；1b：Bottom container；1c：Upper container；2：Stator；3：Rotor；4：Main shaft；4a：
Eccentric axial portion；4b：Pump shaft；4c：Oilhole；7：Electric rotary machine；8：2nd balancer cover；9：Fixed scroll；9a：Overlapping portion；
9b：Outlet；10：Swing scroll；10a：Overlapping portion；11：Framework；11a：Oil exit pipe；12：Base bearing；13：Oscillation bearing；
14：Thrust plate；15：Partition ring；15a：Cross key；15b：Cross keyway；15c：Curved surface；16：Sliding part；17：Sleeve；18：1st
Balancer；19：2nd balancer；20：Subframe；20a：Bearing incorporating section；21：Ball bearing；22：Oil pump；23：Oil storage portion；
24：Suction line；25：Discharge pipe；26：Discharge chambe；27：Seal (swing)；28：Seal (fixation)；29：Dump valve；33：Row
Go out space；40：Partition ring center of gravity；41：Partition ring is conducted oneself with dignity；100：Scroll compressor.
Claims (2)
1. a kind of scroll compressor, it is characterised in that have：
Fixed scroll, the fixed scroll is fixed in framework, and erects and be provided with as swirling projection in the face of downside
The first overlapping portion；
Scroll is swung, the swing scroll erects the second overlapping portion being provided with as swirling projection in the face of upside, led to
Cross the swing scroll to combine in opposed facing mode with the fixed scroll, in first overlapping portion and described second
Discharge chambe is formed between overlapping portion；And
Partition ring, the partition ring is arranged between the face of downside of the swing scroll and the upper surface of the framework, is made
The swing scroll carries out oscillating motion,
The partition ring has the first cross keyway in upside,
The scroll that swings has the first cross key slided in the first cross keyway,
The framework has the second cross keyway in upper surface,
The partition ring has the second cross key for being arranged at downside and being slided in the second cross keyway.
2. scroll compressor according to claim 1, it is characterised in that
It is provided with the rounding processing department of the corner rounding of front end in the front end of the cross key.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/075056 WO2016046877A1 (en) | 2014-09-22 | 2014-09-22 | Scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320034U true CN206320034U (en) | 2017-07-11 |
Family
ID=55580441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201490001431.3U Expired - Fee Related CN206320034U (en) | 2014-09-22 | 2014-09-22 | Scroll compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6305552B2 (en) |
| CN (1) | CN206320034U (en) |
| WO (1) | WO2016046877A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252912A (en) * | 2018-02-14 | 2018-07-06 | 宁波鲍斯能源装备股份有限公司 | A kind of cross slip-ring and screw compressor |
| CN108278205A (en) * | 2018-02-14 | 2018-07-13 | 宁波鲍斯能源装备股份有限公司 | A kind of lightweight cross slip-ring and screw compressor |
| CN108286519A (en) * | 2018-02-14 | 2018-07-17 | 宁波鲍斯能源装备股份有限公司 | A kind of reinforced cross slip-ring and screw compressor |
| CN108286520A (en) * | 2018-02-14 | 2018-07-17 | 宁波鲍斯能源装备股份有限公司 | A kind of Oldham's coupling and screw compressor |
| CN108412766A (en) * | 2018-02-14 | 2018-08-17 | 宁波鲍斯能源装备股份有限公司 | A kind of wear-resisting type Oldham's coupling and screw compressor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141783A (en) * | 1983-02-02 | 1984-08-14 | Hitachi Ltd | Scroll fluid machine |
| JPH02277985A (en) * | 1989-04-20 | 1990-11-14 | Hitachi Ltd | Scroll type fluid machine |
| JP3851111B2 (en) * | 2001-06-05 | 2006-11-29 | 株式会社日立製作所 | Scroll compressor |
| JP3834585B2 (en) * | 2002-06-13 | 2006-10-18 | 株式会社日立製作所 | Scroll compressor |
| JP2005264931A (en) * | 2005-03-02 | 2005-09-29 | Sanyo Electric Co Ltd | Scroll compressor |
-
2014
- 2014-09-22 CN CN201490001431.3U patent/CN206320034U/en not_active Expired - Fee Related
- 2014-09-22 WO PCT/JP2014/075056 patent/WO2016046877A1/en active Application Filing
- 2014-09-22 JP JP2016549672A patent/JP6305552B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252912A (en) * | 2018-02-14 | 2018-07-06 | 宁波鲍斯能源装备股份有限公司 | A kind of cross slip-ring and screw compressor |
| CN108278205A (en) * | 2018-02-14 | 2018-07-13 | 宁波鲍斯能源装备股份有限公司 | A kind of lightweight cross slip-ring and screw compressor |
| CN108286519A (en) * | 2018-02-14 | 2018-07-17 | 宁波鲍斯能源装备股份有限公司 | A kind of reinforced cross slip-ring and screw compressor |
| CN108286520A (en) * | 2018-02-14 | 2018-07-17 | 宁波鲍斯能源装备股份有限公司 | A kind of Oldham's coupling and screw compressor |
| CN108412766A (en) * | 2018-02-14 | 2018-08-17 | 宁波鲍斯能源装备股份有限公司 | A kind of wear-resisting type Oldham's coupling and screw compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6305552B2 (en) | 2018-04-04 |
| WO2016046877A1 (en) | 2016-03-31 |
| JPWO2016046877A1 (en) | 2017-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 |