CN108757391A - A kind of compressor movement vibration-damping supporting structure and compressor - Google Patents
A kind of compressor movement vibration-damping supporting structure and compressor Download PDFInfo
- Publication number
- CN108757391A CN108757391A CN201810847407.6A CN201810847407A CN108757391A CN 108757391 A CN108757391 A CN 108757391A CN 201810847407 A CN201810847407 A CN 201810847407A CN 108757391 A CN108757391 A CN 108757391A
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- damping
- compressor
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- compression spring
- stator
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- 238000013016 damping Methods 0.000 title claims abstract description 127
- 230000006835 compression Effects 0.000 claims abstract description 53
- 238000007906 compression Methods 0.000 claims abstract description 53
- 230000003139 buffering effect Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008439 repair process 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention discloses a kind of compressor movement vibration-damping supporting structure and compressor, is related to Compressor Technology field.Compressor movement vibration-damping supporting structure includes stator screw, screw cap, support plate, damping sleeve, supporting block and compression spring.Stator screw is configured to connect with the stator of compressor movement in one end of preset direction.Screw cap and one end fits of the stator screw far from stator.The surface of support plate is convexly equipped with inner support pin along preset direction.Damping sleeve is sheathed on inner support pin.The inner wall of supporting block has an embedded cavity, and for supporting block close to the one end open of support plate, supporting block is set in the circumferential surface of damping sleeve, and supporting block has gap with screw cap on preset direction.Compression spring extends along preset direction, and both ends of the compression spring on preset direction are sheathed on screw cap and supporting block respectively.The compressor movement vibration-damping supporting structure can solve the problems, such as to vibrate and vibrate between existing compressor movement and support construction to generate noise.
Description
Technical field
The present invention relates to Compressor Technology field, in particular to a kind of compressor movement vibration-damping supporting structure and
Compressor.
Background technology
Compressor (compressor) is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is
The heart of refrigeration system.It from air intake duct suck low-temp low-pressure refrigerant gas, by motor operate band piston to its into
After row compression, the refrigerant gas of high temperature and pressure is discharged to exhaust pipe, power is provided for refrigeration cycle.To realize compression → it is cold
The refrigeration cycle of solidifying (heat release) → expansion → evaporation (heat absorption).Compressor is divided into piston compressor, helical-lobe compressor, centrifugal compressed
Machine, linear compressor etc..Entry describes the operation principle of compressor, classification, accessory, specification, running requirements, the life of compressor
Production, most common failure and environmental requirement, Type Selection Principle, mounting condition and development trend.
Existing compressor movement cannot be eliminated well along the vibration of support construction, and existing compressor
Vibration between movement and support construction can cause noise.
Invention content
First of the present invention is designed to provide a kind of compressor movement vibration-damping supporting structure, the compressor movement vibration damping
Support construction can solve the problems, such as to vibrate and vibrate between existing compressor movement and support construction to generate noise.
Second object of the present invention is to provide a kind of compressor, which has above-mentioned compressor movement vibration damping branch
Support structure.
What the embodiment of the present invention was realized in：
A kind of compressor movement vibration-damping supporting structure, including：
Stator screw, stator screw extend along preset direction, and stator screw is configured in one end of preset direction
It is connect with the stator of compressor movement；
Screw cap, screw cap and one end fits of the stator screw far from stator；
The surface of support plate, support plate is convexly equipped with inner support pin along preset direction；
Damping sleeve, damping sleeve are sheathed on inner support pin；
Supporting block, the inner wall of supporting block have an embedded cavity, and close to the one end open of support plate, supporting block is arranged supporting block
In the circumferential surface of damping sleeve, supporting block has gap with screw cap on preset direction；And
Compression spring, compression spring extend along preset direction, and both ends of the compression spring on preset direction are sheathed on screw cap and support respectively
On block.
Inventor devises above-mentioned compressor movement vibration-damping supporting structure, which can solve
It vibrates and vibrates between certainly existing compressor movement and support construction and lead to the problem of noise.Compressor movement vibration reduction support
Structure includes stator screw, screw cap, support plate, damping sleeve, supporting block and compression spring.Wherein, stator screw is used for compressor
The stator of movement, on preset direction, compressor movement is supported by compressor movement vibration-damping supporting structure.Wherein, stator screw
One end be provided with screw cap, screw cap is connect in preset direction with compression spring, and the one end of compression spring far from screw cap and supporting block connect
It connects, wherein supporting block is arranged on damping sleeve, that is, supporting block is arranged on the supporting plate, and is between supporting block and support plate
With the damping sleeve for increasing damping, specifically, damping sleeve be arranged on the inner support pin in support plate.Wherein, due to
The common cooperation of compression spring and damping sleeve so that the vibration of all directions between compressor movement and support construction can be pressed
Spring and damping sleeve absorb, and due to the common cooperation of compression spring and damping sleeve, change former between support construction and compressor movement
Some intrinsic frequencies avoid compressor low-speed running from resonating.
In an embodiment of the present invention：
Supporting block includes that compression spring is arranged column and against ring；
Be set to compression spring against ring and be arranged the peripheral wall of column and far from one end of screw cap, against where ring plane with it is default
Direction is vertical, and compression spring, which is arranged column, has embedded cavity；
Compression spring sleeve is arranged the peripheral wall of column set on compression spring and is resisted against against on ring.
In an embodiment of the present invention：
Damping sleeve extends along preset direction, and damping sleeve offers embedded groove close to the end face of support plate, and inner support pin is embedded
In embedded groove；
Damping sleeve is embedded at compression spring and is arranged in the insertion cavity of column, against between ring and support plate have distance.
In an embodiment of the present invention：
The peripheral wall of damping sleeve is provided with support ring, and support ring is located at damping sleeve close to one end of support plate；
Opposite two surfaces of the support ring on preset direction respectively with support plate and against ring against.
In an embodiment of the present invention：
Compression spring is arranged column and is connected to close to the opening of the end face of screw cap and with embedded cavity；
Damping sleeve is provided with close to the end face of screw cap against cap, and damping sleeve runs through embedded cavity and against cap and compression spring
The end face for being arranged column abuts.
In an embodiment of the present invention：
Embedded groove is through damping sleeve close to the end face of screw cap.
In an embodiment of the present invention：
Further include：
Damping rubber set, damping rubber set are set between stator screw and screw cap；
The outer wall of damping rubber set is abutted with the inner wall of screw cap, and the outer wall of the inner wall and stator screw of damping rubber set supports
It connects.
In an embodiment of the present invention：
Damping rubber set is provided with buffering ring, buffering ring two surfaces point along preset direction close to the end face of stator screw
Not with the bottom end of screw cap and stator screw against.
In an embodiment of the present invention：
There is the abutment ring abutted with screw cap, screw cap to be embedded at abutting for end face of the damping rubber set far from stator screw
The outer wall of ring, buffering ring and damping rubber set shares in the fixed space limited.
A kind of compressor, the compressor have the compressor movement vibration-damping supporting structure of above-mentioned any one.
Technical scheme of the present invention at least has the advantages that：
A kind of compressor movement vibration-damping supporting structure provided by the invention, the compressor movement vibration-damping supporting structure can solve
It vibrates and vibrates between certainly existing compressor movement and support construction and lead to the problem of noise.
A kind of compressor provided by the invention, the compressor have above-mentioned compressor movement vibration-damping supporting structure.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is structural schematic diagram of the compressor movement vibration-damping supporting structure under the first visual angle in the embodiment of the present invention 1；
Fig. 2 is structural schematic diagram of the compressor movement vibration-damping supporting structure under the second visual angle in the embodiment of the present invention 1；
Fig. 3 is the first structural schematic diagram of compressor movement vibration-damping supporting structure in the embodiment of the present invention 2；
Fig. 4 is second of structural schematic diagram of compressor movement vibration-damping supporting structure in the embodiment of the present invention 2；
Fig. 5 is the third structural schematic diagram of compressor movement vibration-damping supporting structure in the embodiment of the present invention 2.
Icon：10- compressor movement vibration-damping supporting structures；11- stator screws；12- screw caps；13- support plates；14- hinders
Buddhist nun covers；15- supporting blocks；16- compression springs；20- compressor movement vibration-damping supporting structures；21- damping sleeves；30- compressor movement vibration dampings
Support construction；31- damping sleeves；40- compressor movement vibration-damping supporting structures；41- damping rubber sets；130- inner support pins；150-
Compression spring is arranged column；151- is against ring；210- support rings；310- is against cap；410- buffering rings；411- abutment rings.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "lower" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be
Mechanical connection, can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature
Be in direct contact including the first and second features, can also include the first and second features not be in direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy
Right over sign and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height
Less than second feature.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Embodiment 1
The present embodiment provides a kind of compressor movement vibration-damping supporting structure 10,10 energy of compressor movement vibration-damping supporting structure
It enough solves the problems, such as to vibrate and vibrate between existing compressor movement and support construction to generate noise.
It please refers to Fig.1 and Fig. 2, Fig. 1 shows that compressor movement vibration-damping supporting structure 10 is at the first visual angle in the present embodiment
Under concrete structure.Fig. 2 shows specific knot of the compressor movement vibration-damping supporting structure 10 under the second visual angle in the present embodiment
Structure.
Compressor movement vibration-damping supporting structure 10 includes stator screw 11, screw cap 12, support plate 13, damping sleeve 14, branch
Bracer 15 and compression spring 16.
Stator screw 11 extends along preset direction, and stator screw 11 is configured to and compresses in one end of preset direction
The stator of machine movement connects.Screw cap 12 and one end fits of the stator screw 11 far from stator.
The surface of support plate 13 is convexly equipped with inner support pin 130 along preset direction, and damping sleeve 14 is sheathed on inner support pin 130
On, the inner wall of supporting block 15 has an embedded cavity, and for supporting block 15 close to the one end open of support plate 13, supporting block 15 is set in resistance
The circumferential surface of Buddhist nun's set 14, supporting block 15 have gap with screw cap 12 on preset direction.
Stator screw 11 and screw cap 12 pass through compression spring 16 and support plate 13, damping sleeve 14, supporting block 15 and compression spring 16
Elastic connection is carried out, specifically, compression spring 16 extends along preset direction, and both ends of the compression spring 16 on preset direction are sheathed on spiral shell respectively
On the head of a nail 12 and supporting block 15.
Specifically, supporting block 15 including compression spring is arranged column 150 and against ring 151.
It is set to compression spring against ring 151 and is arranged the peripheral wall of column 150 and one end of separate screw cap 12, against where ring 151
Plane it is vertical with preset direction, compression spring, which is arranged column 150, has embedded cavity.Compression spring 16 is sheathed on the week that compression spring is arranged column 150
Wall is simultaneously resisted against against on ring 151.
In the present embodiment, such as Fig. 2, damping sleeve 14 is along preset direction extension, and damping sleeve 14 is close to the end face of support plate 13
Embedded groove is offered, inner support pin 130 is embedded in embedded groove, and damping sleeve 14 is embedded at the insertion cavity that compression spring is arranged column 150
In, against between ring 151 and support plate 13 have distance.
Wherein, inventor devises above-mentioned compressor movement vibration-damping supporting structure 10, the compressor movement vibration reduction support knot
Structure 10 can solve the problems, such as to vibrate and vibrate between existing compressor movement and support construction to generate noise.Compressor machine
Core vibration-damping supporting structure 10 includes stator screw 11, screw cap 12, support plate 13, damping sleeve 14, supporting block 15 and compression spring 16.
Wherein, stator screw 11 is used for the stator of compressor movement, and on preset direction, compressor movement is by compressor movement vibration damping branch
Support structure 10 supports.Wherein, one end of stator screw 11 is provided with screw cap 12, and screw cap 12 connects in preset direction and compression spring 16
It connects, the one end of compression spring 16 far from screw cap 12 is connect with supporting block 15, and wherein supporting block 15 is arranged on damping sleeve 14, that is, branch
Bracer 15 is arranged in support plate 13, and is the damping sleeve 14 with increase damping between supporting block 15 and support plate 13,
Specifically, damping sleeve 14 be arranged on the inner support pin 130 in support plate 13.Wherein, due to compression spring 16 and damping sleeve 14
Common cooperation so that the vibration of all directions between compressor movement and support construction, can be by compression spring 16 and damping sleeve
14 absorb, and due to the common cooperation of compression spring 16 and damping sleeve 14, change original between support construction and compressor movement
Intrinsic frequency avoids compressor low-speed running from resonating.
It should be noted that in the present embodiment, a kind of compressor is also provided, which has above-mentioned compressor movement
Vibration-damping supporting structure 10.
Embodiment 2
The present embodiment provides a kind of compressor movement vibration-damping supporting structures 20, referring to FIG. 3, itself and above-mentioned compressor movement
Vibration-damping supporting structure 10 is roughly the same, the difference is that damping sleeve 21 is had any different with above-mentioned damping sleeve 14：
The peripheral wall of damping sleeve 21 is provided with support ring 210, and support ring 210 is located at damping sleeve 21 close to the one of support plate 13
End, opposite two surfaces of the support ring 210 on preset direction respectively with support plate 13 and against ring 151 against.
Further, referring to FIG. 4, Fig. 4 shows the concrete structure of another compressor movement vibration-damping supporting structure 30,
It is on the basis of above-mentioned compressor movement vibration-damping supporting structure 20, compression spring is arranged column 150 and is opened close to the end face of screw cap 12
And be connected to embedded cavity, damping sleeve 31 is provided with close to the end face of screw cap 12 against cap 310, and damping sleeve 31 is through embedded empty
The chamber and end face for being arranged column 150 with compression spring against cap 310 abuts.Wherein, embedded groove runs through damping sleeve 31 close to screw cap 12
End face.
It should be noted that referring to Fig. 5, Fig. 5 shows another middle compressor movement vibration damping provided in the present embodiment
The concrete structure of support construction 40, wherein in the concrete structure of compressor movement vibration-damping supporting structure 40, compressor movement subtracts
Support construction of shaking 40 can also include that damping rubber covers 41, damping rubber set 41 be set to stator screw 11 and screw cap 12 it
Between, damping rubber set 41 outer wall is abutted with the inner wall of screw cap 12, damping rubber set 41 inner wall and stator screw 11 outside
Wall abuts.Further, damping rubber set 41 is provided with buffering ring 410 close to the end face of stator screw 11, and buffering ring 410 is along pre-
On set direction two surfaces respectively with the bottom end of screw cap 12 and stator screw 11 against.Damping rubber set 41 is far from stator screw
There is the abutment ring 411 abutted with screw cap 12, screw cap 12 to be embedded at abutment ring 411, buffering ring 410 and resistance for 11 end face
The outer wall of Buddhist nun's rubber sleeve 41 shares in the fixed space limited.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of compressor movement vibration-damping supporting structure, which is characterized in that including：
Stator screw, the stator screw extend along preset direction, and the stator screw is in one end of the preset direction by structure
It makes as being connect with the stator of compressor movement；
Screw cap, the screw cap and the one end fits of the stator screw far from the stator；
The surface of support plate, the support plate is convexly equipped with inner support pin along preset direction；
Damping sleeve, the damping sleeve are sheathed on the inner support pin；
The inner wall of supporting block, the supporting block has embedded cavity, and the supporting block is close to the one end open of the support plate, institute
The circumferential surface that supporting block is set in the damping sleeve is stated, between the supporting block and the screw cap have on the preset direction
Gap；And
Compression spring, the compression spring extend along the preset direction, and both ends of the compression spring on the preset direction are sheathed on respectively
On the screw cap and the supporting block.
2. compressor movement vibration-damping supporting structure according to claim 1, it is characterised in that：
The supporting block includes that compression spring is arranged column and against ring；
It is described to be set to the compression spring against ring and be arranged the peripheral wall of column and far from one end of the screw cap, it is described against where ring
Plane it is vertical with the preset direction, the compression spring be arranged column have the embedded cavity；
The compression spring sleeve is arranged the peripheral wall of column set on the compression spring and is resisted against described against on ring.
3. compressor movement vibration-damping supporting structure according to claim 2, it is characterised in that：
The damping sleeve extends along the preset direction, and the damping sleeve offers embedded groove close to the end face of the support plate,
The inner support pin is embedded in the embedded groove；
The damping sleeve is embedded at the compression spring and is arranged in the embedded cavity of column, described against between ring and the support plate
With distance.
4. compressor movement vibration-damping supporting structure according to claim 3, it is characterised in that：
The peripheral wall of the damping sleeve is provided with support ring, and the support ring is located at the damping sleeve close to the one of the support plate
End；
Opposite two surfaces of the support ring on preset direction respectively with the support plate and it is described against ring against.
5. compressor movement vibration-damping supporting structure according to claim 3, it is characterised in that：
The compression spring is arranged column close to the opening of the end face of the screw cap and is connected to the embedded cavity；
The damping sleeve is provided with close to the end face of the screw cap against cap, the damping sleeve through the embedded cavity and
The end face for being arranged column with the compression spring against cap abuts.
6. compressor movement vibration-damping supporting structure according to claim 3, it is characterised in that：
The embedded groove is through the damping sleeve close to the end face of the screw cap.
7. compressor movement vibration-damping supporting structure according to claim 1, which is characterized in that further include：
Damping rubber set, the damping rubber set are set between the stator screw and the screw cap；
The outer wall of the damping rubber set is abutted with the inner wall of the screw cap, the inner wall and the stator of the damping rubber set
The outer wall of screw abuts.
8. compressor movement vibration-damping supporting structure according to claim 7, it is characterised in that：
The damping rubber set is provided with buffering ring close to the end face of the stator screw, and the buffering ring is along the preset direction
Upper two surfaces respectively with the bottom end of the screw cap and the stator screw against.
9. compressor movement vibration-damping supporting structure according to claim 8, it is characterised in that：
End face of the damping rubber set far from the stator screw has the abutment ring abutted with the screw cap, the screw
The outer wall that cap is embedded at the abutment ring, buffering ring and damping rubber set shares in the fixed space limited.
10. a kind of compressor, it is characterised in that：
The compressor has the compressor movement vibration-damping supporting structure described in the claims 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847407.6A CN108757391B (en) | 2018-07-27 | 2018-07-27 | Compressor core damping bearing structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847407.6A CN108757391B (en) | 2018-07-27 | 2018-07-27 | Compressor core damping bearing structure and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757391A true CN108757391A (en) | 2018-11-06 |
| CN108757391B CN108757391B (en) | 2024-02-06 |
Family
ID=63971616
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810847407.6A Active CN108757391B (en) | 2018-07-27 | 2018-07-27 | Compressor core damping bearing structure and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757391B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207056A (en) * | 2018-11-21 | 2020-05-29 | Lg电子株式会社 | Compressor with a compressor housing having a plurality of compressor blades |
| CN111927774A (en) * | 2020-08-18 | 2020-11-13 | 佳艾普科技(江苏)有限公司 | Variable-frequency water-lubricating oil-free screw air compressor and using method thereof |
| CN113771594A (en) * | 2021-11-02 | 2021-12-10 | 杭州非古科技有限公司 | New energy automobile electric compressor damping support |
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|---|---|---|---|---|
| CN111207056A (en) * | 2018-11-21 | 2020-05-29 | Lg电子株式会社 | Compressor with a compressor housing having a plurality of compressor blades |
| CN111927774A (en) * | 2020-08-18 | 2020-11-13 | 佳艾普科技(江苏)有限公司 | Variable-frequency water-lubricating oil-free screw air compressor and using method thereof |
| CN111927774B (en) * | 2020-08-18 | 2022-02-11 | 佳艾普科技(江苏)有限公司 | Variable-frequency water-lubricating oil-free screw air compressor and using method thereof |
| CN113771594A (en) * | 2021-11-02 | 2021-12-10 | 杭州非古科技有限公司 | New energy automobile electric compressor damping support |
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| CN108757391B (en) | 2024-02-06 |
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Effective date of registration: 20210528 Address after: No.6, East Jinshan Avenue, Tieshan District, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Applicant after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Applicant before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |
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