CN108425845A - A kind of screw compressor - Google Patents
A kind of screw compressor Download PDFInfo
- Publication number
- CN108425845A CN108425845A CN201810466755.9A CN201810466755A CN108425845A CN 108425845 A CN108425845 A CN 108425845A CN 201810466755 A CN201810466755 A CN 201810466755A CN 108425845 A CN108425845 A CN 108425845A
- Authority
- CN
- China
- Prior art keywords
- sealing strip
- volution trough
- screw compressor
- volution
- trough
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 238000013022 venting Methods 0.000 claims description 13
- 230000004323 axial length Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006835 compression Effects 0.000 description 18
- 238000007906 compression Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 241000555293 Bassariscus astutus Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F04C18/0223—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 with symmetrical double wraps
-
- 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
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0269—Details concerning the involute wraps
-
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/001—Radial sealings for working fluid
- F04C27/003—Radial sealings for working fluid of resilient material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of screw compressors, it includes orbiter and fixed scroll, orbiter, fixed scroll vortex ring end face offer volution trough, the cross section of volution trough is rectangular, sealing strip is provided in volution trough, the height of sealing strip is less than the depth of volution trough, and sealing strip is elastic component and its back side offers vent grooves along its axial direction, the radially opposite sides of vent grooves, which are formed with, extends out side wall, and extending out can be with the two side Interference contact of volution trough after side wall spreading.Above-mentioned screw compressor is optimized by the structure to sealing strip, while so that sealing strip is jacked up, the two side for extending out side wall and volution trough is in close contact, and has filled up the radial clearance between sealing strip and volution trough, the effect for improving scroll plate end face seal improves the efficiency of compressor.
Description
Technical field
The present invention relates to the end face seal structures of a kind of screw compressor, especially its scroll plate.
Background technology
Since screw compressor has the characteristics that efficient, small, light weight, low noise, simple in structure, used extensively
In air-conditioning and refrigeration unit, have become one of the Main way of compressor development.Screw compressor includes mainly two phases
As scroll plate, be referred to as orbiter and fixed scroll, orbiter and fixed scroll are in 180 ° of angles cooperations one
Act the compression chamber for forming compressor.
It proposes to have opened up volution trough in the vortex ring end face of 2 ＇ of 1 ＇ of orbiter and fixed scroll currently, this field China is inside and outside
4 ＇, 4 ＇ of volution trough are opened up along the direction of vortex ring, and 4 both ends ＇ of volution trough are not open-minded, and floating seal item is installed in 4 ＇ of volution trough
3 ＇, when compressor moves, the high-pressure refrigerant that vortex ring head generates pours in 4 ＇ of volution trough, and 3 ＇ of floating seal item is jacked up,
3 fronts ＇ of sealing strip are made to be contacted with pairing vortex ring bottom, the end face seal played between 2 ＇ of 1 ＇ of orbiter and fixed scroll is made
With as shown in Fig. 6 to 8.
Although this structure can play certain sealing function, can not be kept away between 4 ＇ radial directions of 3 ＇ of sealing strip and volution trough
Exempt from there are gaps, in the case of gap is excessive or non-uniform, high-pressure refrigerant is from sealing strip both sides micro-leakage to low pressure
The high-low pressure of side, vortex ring both sides is ganged up, and compressor efficiency is caused to reduce, and when serious, 3 fronts ＇ of sealing strip cannot be formed with the back side
Pressure difference, cannot jack up 3 ＇ of sealing strip, and compressor cannot form end face seal.In addition, due to scroll plate sealing strip head to tail portion
Temperature has larger difference, and the radial clearance of 4 ＇ of volution trough and 3 ＇ of sealing strip is inconsistent in each section, can lead to vortex ring head
Leakage, and vortex ring tail portion cannot effectively jack up so that compressor efficiency reduces.
Therefore, it is desirable to its sealing structure is advanced optimized, to improve scroll plate end face seal effect.
Invention content
The purpose of the present invention is to provide a kind of screw compressor, solve due to sealing strip and volution trough are there are radial clearance
The caused above problem.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of screw compressor comprising orbiter and fixed scroll, orbiter, the vortex ring end face of fixed scroll are equal
Volution trough is offered, the cross section of volution trough is rectangular, and sealing strip is provided in volution trough, and the height of sealing strip is less than volution trough
Depth, sealing strip is that elastic component and its back side offer vent grooves along its axial direction, and the radially opposite sides of vent grooves are formed with
Side wall is extended out, extending out can be with the two side Interference contact of volution trough after side wall spreading.
Wherein, volution trough is opened up along the direction of vortex ring, and its tail end is closed, and head end is provided with venting channels, and ventilation is logical
The one end in road is connected to central high pressure chamber, and the other end is connected to the vent grooves of sealing strip in volution trough.
Wherein, venting channels are set as semicircle at the arc-shaped head position of vortex ring, and semicircular straight flange is opened in whirlpool
The medial surface of the arc-shaped head of circle is simultaneously connected to central high pressure chamber, the lateral surface shape of the arc-shaped head of semicircular arc side and vortex ring
It is connected at closure wall, and with volution trough.Avoid the first compression chamber and the phenomenon that the second compression chamber may gang up.
Wherein, the tail end of sealing strip and the tail end of volution trough fit closely.After preventing sealing strip from being jacked up, high-pressure medium from
Tail end is revealed.
Wherein, the axial length of sealing strip and the length of volution trough are almost the same.Without extra clearance groove in axial direction, pass through
Venting channels are passed through high-pressure medium to closed vent grooves, and high-pressure medium loss is few so that sealing strip head to tail portion energy
Uniformly jacked up, sealing strip front with scroll plate bottom surface is more reliable is adjacent to, improve scroll plate end face seal to greatest extent
Effect.
Wherein, the frontal width of sealing strip is slightly less than the width of volution trough.It is obstructed when sealing strip being avoided to rise.
Wherein, when not being passed through high-pressure medium, the back side width of sealing strip is slightly less than the width of volution trough.So that not being passed through height
When pressing medium, sealing strip is normally retracted.
Wherein, the cross sectional shape of vent grooves can be any in triangle, trapezoidal or semicircle, or be extended out to be other
Shape.
Wherein, the depth of vent grooves is about the half of sealing strip height.
To sum up, beneficial effects of the present invention are that compared with prior art, the screw compressor passes through the knot to sealing strip
Structure optimizes so that its back side offers vent grooves and both sides are with side wall is extended out, and high-pressure medium is made to enter the sealing strip back of the body
More smooth when face, sealing strip head to tail portion can uniformly be jacked up, while sealing strip extends out side wall by spreading, with volution trough
Two side be in close contact, filled up the radial clearance between sealing strip and volution trough, high-pressure medium is in a closed ventilation
Groove internal loss is few, makes sealing strip front and vortex ring bottom is more reliable is adjacent to, improve vortex side surface to greatest extent
The effect of sealing, to improve the efficiency of compressor.
Description of the drawings
Fig. 1 is the fixed scroll of screw compressor provided in an embodiment of the present invention and the assembling schematic diagram of sealing strip；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is the fixed scroll of screw compressor provided in an embodiment of the present invention and the assembling section of orbiter；
Fig. 4 is the enlarged drawing at B in Fig. 3；
Fig. 5 is moving vortex circle and quiet vortex ring cooperation schematic diagram in Fig. 3；
Fig. 6 is the assembling schematic diagram of fixed scroll and sealing strip in the prior art；
Fig. 7 is the sectional view at C-C in Fig. 6；
Fig. 8 is the assembly profile of fixed scroll and orbiter in the prior art.
In Fig. 1-5：
1- orbiters；11- moving vortex circles；2- fixed scrolls；The quiet vortex rings of 21-；22- volution troughs；23- venting channels；24- is sealed
Close wall；3- sealing strips；31- vent grooves；32- extends out side wall；The first compression chambers of 4-；The second compression chambers of 5-；
In Fig. 6-8：
1 ＇-orbiters；2 ＇-fixed scrolls；3 ＇-sealing strips；4 ＇-volution troughs；The concave surfaces 5 ＇-.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
It please refers to Fig.1 shown in -5, the present embodiment provides a kind of screw compressor, screw compressor includes mainly two similar
Scroll plate, be referred to as orbiter 1 and fixed scroll 2, the vortex ring of orbiter 1 and fixed scroll 2 revolves molded line parameter phase
With, 180 ° of phase angle difference, after the two cooperation assembling, can be formed it is several to closed crescent cavity volume, i.e. compression chamber, in
The cavity of heart gas vent is the central high pressure chamber of maximum pressure, or is the first compression chamber 4, abuts 4 periphery of the first compression chamber
Two crescent cavity volumes are the second compression chamber 5.
Its operation principle is：When eccentric shaft pushes the basic circle center of orbiter 1 to do circle around the basic circle center of fixed scroll 2
When all track movements, these closed cavity volumes are expanded or shunk accordingly, are achieved in sucking, compression and the exhaust of gas
Purpose.The periphery gap in the air-breathing aperture or the orbiting and fixed scroll that low-pressure gas is opened up from fixed scroll enters suction muffler, through pressure
It is discharged by the vent ports at 2 center of fixed scroll after contracting.
The structure of orbiter 1 and fixed scroll 2 is essentially identical, when carrying out end face seal, the moving vortex circle 11 of orbiter 1
Volution trough is offered with the end face of the quiet vortex ring 21 of fixed scroll 2, sealing strip is both provided in volution trough, when cooperation assembles,
The sealing strip of orbiter 1 is posted by the bottom surface of fixed scroll 2, and the sealing strip of fixed scroll 2 is posted by the bottom of orbiter 1
Face.
It is described in detail by taking fixed scroll 2 as an example below.
The volution trough 22 of fixed scroll 2 is opened up along the direction of quiet vortex ring 21, and the cross section of volution trough 22 is rectangular, is vortexed
Sealing strip 3 is provided in slot 22, the height of sealing strip 3 is slightly below the depth of volution trough 22.
Sealing strip 3 is elastic component and its back side offers vent grooves 31 along its axial direction, and 3 positive width of sealing strip is less than
The width of volution trough 22, the cross sectional shape of the vent grooves 31 at 3 back side of sealing strip can be to appoint in triangle, trapezoidal or semicircle
One kind, or shape is extended out to be other, vent grooves 31 are preferably set as trapezoidal herein so that radial the two of vent grooves 31
Side, which is formed with, extends out side wall 32, and when sealing strip 3 is not passed through high-pressure medium, the spacing for extending out side wall 32 is slightly less than the width of volution trough 22
Degree, and 31 depth of vent grooves is about the half of 3 height of sealing strip so that when sealing strip 3 is jacked up, vent grooves 31 without departing from
The end face of volution trough 22 avoids medium at tail end from revealing.
The axial length of sealing strip 3 is consistent with volution trough 22, is closed without extra clearance groove, the tail end of volution trough 22 in axial direction
It closes, head end is provided with venting channels 23, and venting channels 23 are by the vent grooves 31 of sealing strip 3 in central high pressure chamber and volution trough 22
Connection.
It should be noted that the vortex ring head of two scroll plates is generally arc-shaped, has directly set in the prior art
It is set to 5 ＇ of concave surface (as shown in Figure 6) so that the setting that central high pressure chamber is connected to vent grooves, when being likely to result in compression
One compression chamber 4 is ganged up with the second compression chamber 5, and the case where there are at leakage.
Therefore the present embodiment proposes venting channels 23 being set as semicircle according to the arc-shaped head of vortex ring, it is semicircular straight
While be opened in the medial surface of the arc-shaped head of quiet vortex ring 21 and be connected to central high pressure chamber, semicircular arc side and quiet vortex ring 21
The lateral surface of arc-shaped head forms closure wall 24 and is connected to volution trough 22.The presence of closure wall 24 can effectively prevent the first pressure
Contracting chamber 4 is ganged up with the second compression chamber 5, improves compressor efficiency.
It is passed through high-pressure medium to vent grooves 31 by venting channels 23, the high-pressure medium of the present embodiment refers to high-pressure refrigeration
Agent, 3 back side stress of sealing strip are jacked up, while extending out 32 stress of side wall by spreading, the two side Interference contact with volution trough 22,
To form closed medium channel, high-pressure medium loss is few, can swimmingly reach tail end from head end so that sealing strip 3
Portion to tail portion can uniformly be jacked up, the front of sealing strip 3 with scroll plate bottom surface is more reliable is adjacent to, improve vortex to greatest extent
The effect of side surface sealing.
The screw compressor at least has following features：
1) bottom of sealing strip opens up vent grooves so that the back side smooth, the sealing strip head to tail portion of compression of sealing strip
It can uniformly be jacked up, integral sealing effect is more preferable；
2) the micro spreading after extending out side wall compression of sealing strip both sides so that sealing strip and volution trough radial direction linear sealing, it is high
It presses medium few in closed vent grooves internal loss, makes sealing strip front and vortex pan bottom is more reliable is adjacent to；
3) semicircular venting channels so that retain certain wall thickness on the outside of vortex ring head, venting channels connect sealing strip
The back side vent grooves, avoid the first compression chamber and the phenomenon that the second compression chamber is ganged up, improve the efficiency of compressor.
To sum up, above-mentioned screw compressor is optimized by the structure to sealing strip so that its back side offers ventilation
Groove and both sides, which carry, extends out side wall, more smooth when high-pressure medium being made to enter the sealing strip back side, sealing strip head to tail portion energy
Uniformly jacked up, while sealing strip extends out side wall by spreading, is in close contact with the two side of volution trough, filled up sealing strip with
Radial clearance between volution trough, high-pressure medium is few in a closed vent grooves internal loss, makes sealing strip front and whirlpool
Bottom is more reliable is adjacent to for circle, the effect of scroll plate end face seal is improved to greatest extent, to improve the effect of compressor
Rate.
Above example is to elaborate that the basic principle and characteristic of the present invention, the present invention are not limited by above-mentioned example,
Without departing from the spirit and scope, the present invention also has various changes, these changes and modifications are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (9)
1. a kind of screw compressor, including orbiter (1) and fixed scroll (2), the orbiter (1), fixed scroll (2)
Vortex ring end face offer volution trough (22), the cross section of the volution trough (22) is rectangular, sets in the volution trough (22)
It is equipped with sealing strip (3), the height of the sealing strip (3) is less than the depth of the volution trough (22), which is characterized in that
The sealing strip (3) is elastic component and its back side offers vent grooves (31), the vent grooves (31) along its axial direction
Radially opposite sides be formed with and extend out side wall (32), described extend out can be with the both sides of the volution trough (22) after side wall (32) spreading
Wall Interference contact.
2. screw compressor according to claim 1, it is characterised in that：The volution trough (22) is opened along the direction of vortex ring
And if its tail end closure, head end are provided with venting channels (23), one end and the central high pressure chamber company of the venting channels (23)
Logical, the other end is connected to the vent grooves (31) of sealing strip (3) in volution trough (22).
3. screw compressor according to claim 2, it is characterised in that：Arc of the venting channels (23) in the vortex ring
Be set as semicircle at shape head position, the semicircular straight flange be opened in the medial surface of the arc-shaped head of the vortex ring and with
The central high pressure chamber connection, the semicircular arc side and the lateral surface of the arc-shaped head of the vortex ring form closure wall
(24), it and with the volution trough (22) is connected to.
4. screw compressor according to claim 3, it is characterised in that：The tail end of the sealing strip (3) and the vortex
The tail end of slot (22) fits closely.
5. screw compressor according to claim 1, it is characterised in that：The axial length of the sealing strip (3) with it is described
The length of volution trough (22) is consistent.
6. screw compressor according to claim 1, it is characterised in that：The frontal width of the sealing strip (3) is less than institute
State the width of volution trough (22).
7. screw compressor according to claim 1, it is characterised in that：When not being passed through high-pressure medium, the sealing strip (3)
Back side width be less than the volution trough (22) width.
8. screw compressor according to claim 1, it is characterised in that：The cross sectional shape of the vent grooves (31) is three
It is any in angular, trapezoidal or semicircle.
9. screw compressor according to claim 1, it is characterised in that：The depth of the vent grooves (31) is described close
The half of strip of paper used for sealing (3) height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466755.9A CN108425845B (en) | 2018-05-16 | Scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466755.9A CN108425845B (en) | 2018-05-16 | Scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108425845A true CN108425845A (en) | 2018-08-21 |
| CN108425845B CN108425845B (en) | 2024-07-09 |
Family
ID=
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482920A (en) * | 2021-08-09 | 2021-10-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll sealing device, scroll compressor, and refrigeration device |
| CN113482921A (en) * | 2021-08-09 | 2021-10-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll sealing device, scroll compressor, and refrigeration device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415317A (en) * | 1981-02-09 | 1983-11-15 | The Trane Company | Wrap element and tip seal for use in fluid apparatus of the scroll type |
| KR20000041603A (en) * | 1998-12-23 | 2000-07-15 | 구자홍 | Structure for decreasing oil discharge of scroll compressor |
| JP2000329081A (en) * | 1999-05-20 | 2000-11-28 | Fujitsu General Ltd | Scroll type compressor |
| CN2856498Y (en) * | 2005-09-13 | 2007-01-10 | 比亚迪股份有限公司 | Vortex disk of vortex compressor |
| JP2009085154A (en) * | 2007-10-02 | 2009-04-23 | Shinji Kawazoe | Scroll fluid machine |
| CN201401332Y (en) * | 2009-03-20 | 2010-02-10 | 安徽东风机电科技股份有限公司 | Improved axial sealing device for static and dynamic scroll plates of scroll compressor |
| CN202431525U (en) * | 2012-01-05 | 2012-09-12 | 广东美芝制冷设备有限公司 | Vortex disc of vortex compressor |
| JP2014136985A (en) * | 2013-01-16 | 2014-07-28 | Panasonic Corp | Scroll type compressor |
| CN205365160U (en) * | 2016-02-23 | 2016-07-06 | 厦门松芝汽车空调有限公司 | A overhead type air conditioner for new forms of energy passenger train |
| CN208203568U (en) * | 2018-05-16 | 2018-12-07 | 上海加冷松芝汽车空调股份有限公司 | A kind of screw compressor |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415317A (en) * | 1981-02-09 | 1983-11-15 | The Trane Company | Wrap element and tip seal for use in fluid apparatus of the scroll type |
| KR20000041603A (en) * | 1998-12-23 | 2000-07-15 | 구자홍 | Structure for decreasing oil discharge of scroll compressor |
| JP2000329081A (en) * | 1999-05-20 | 2000-11-28 | Fujitsu General Ltd | Scroll type compressor |
| CN2856498Y (en) * | 2005-09-13 | 2007-01-10 | 比亚迪股份有限公司 | Vortex disk of vortex compressor |
| JP2009085154A (en) * | 2007-10-02 | 2009-04-23 | Shinji Kawazoe | Scroll fluid machine |
| CN201401332Y (en) * | 2009-03-20 | 2010-02-10 | 安徽东风机电科技股份有限公司 | Improved axial sealing device for static and dynamic scroll plates of scroll compressor |
| CN202431525U (en) * | 2012-01-05 | 2012-09-12 | 广东美芝制冷设备有限公司 | Vortex disc of vortex compressor |
| JP2014136985A (en) * | 2013-01-16 | 2014-07-28 | Panasonic Corp | Scroll type compressor |
| CN205365160U (en) * | 2016-02-23 | 2016-07-06 | 厦门松芝汽车空调有限公司 | A overhead type air conditioner for new forms of energy passenger train |
| CN208203568U (en) * | 2018-05-16 | 2018-12-07 | 上海加冷松芝汽车空调股份有限公司 | A kind of screw compressor |
Non-Patent Citations (1)
| Title |
|---|
| 李炅;张秀平;周到;胡继孙;: "涡旋压缩机内泄漏与密封技术研究进展", 制冷技术, no. 01, 15 February 2016 (2016-02-15), pages 64 - 68 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482920A (en) * | 2021-08-09 | 2021-10-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll sealing device, scroll compressor, and refrigeration device |
| CN113482921A (en) * | 2021-08-09 | 2021-10-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll sealing device, scroll compressor, and refrigeration device |
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