CN106368950A - Connecting structure of main shaft and rotor and integrated rolling rotor compressor - Google Patents
Connecting structure of main shaft and rotor and integrated rolling rotor compressor Download PDFInfo
- Publication number
- CN106368950A CN106368950A CN201610901786.3A CN201610901786A CN106368950A CN 106368950 A CN106368950 A CN 106368950A CN 201610901786 A CN201610901786 A CN 201610901786A CN 106368950 A CN106368950 A CN 106368950A
- Authority
- CN
- China
- Prior art keywords
- rotor
- main shaft
- attachment structure
- groove
- convex tooth
- 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
- 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
- F04C29/0078—Fixing rotors on shafts, e.g. by clamping together hub and shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention discloses a connecting structure of a main shaft and a rotor and an integrated rolling rotor compressor and belongs to the technical field of compressors. The connecting structure of a main shaft and a rotor comprises the rotor and the main shaft; a circumferential fixing part in concave-convex match with the inner circle wall of the rotor is arranged on the circumferential wall of the main shaft; and an axial fixing component for fixing the rotor in the axial direction is arranged on the end face of the main shaft, so that the main shaft and the rotor are fastened both in the circumferential direction and the axial direction to prevent mutual separation due to relative movement of the rotor and the main shaft in the axial direction during the rotating process of the main shaft and the rotor.
Description
Technical field
The present invention relates to the attachment structure of a kind of main shaft and rotor, main shaft and rotor adopt the compressor of this connected mode,
Belong to Compressor Technology field.
Background technology
Compressor is low-pressure gas will to be promoted to a kind of machinery of gases at high pressure under the driving of power set, integrally
Formula rolling rotor compressor includes motor part and compressor section, two parts be not only used as motor output shaft by one but also
Main shaft as compressor crank shaft links together.Its rotor is coordinated with main shaft and transmits mechanical energy.Existing compressor drum and
Main shaft is to be fixed by interference fit, needs heating rotor to be cooled down so that being turned after carrying out hot jacket in production process again
Interference fit realized by son and main shaft.But due to needing to heat rotor so that needing in producing to put into firing equipment and cooling device,
The technique of heating and cooling is wayward, and cooling needs to expend the regular hour, leads to production cost high.
Chinese patent literature cn101358616a discloses the assembling structure of a kind of bent axle and rotor, including bent axle, rotor,
The long axle portion of bent axle is fixed in the axis hole of rotor, and rotor shaft hatch inner edge is provided with more than one indent screens, the major axis of bent axle
Lateral surface is provided with bulge-structure corresponding with screens, by this bulge-structure and the mutual cartridge of indent screens, makes bent axle and turns
Son assembling is integral.
However, in the above prior art, solve only bent axle and assemble with the fastening in rotor circumference, however, this non-
The structure of interference fit it is also required to provide the restriction in axial direction, to prevent bent axle and rotor in rotation process, the axial direction of generation
Vibration.Rotor and bent axle is avoided to depart from along its axial direction relative motion.
Content of the invention
The technical problem to be solved in the present invention is that the assembling structure of the bent axle of prior art and rotor can not be in axial side
To the problem being fastened, thus propose a kind of circumference, axial direction can fasten the main shaft of assembling and the connection of rotor
Structure.
Further it is proposed that a kind of compressor of the attachment structure with above-mentioned main shaft and rotor.
A kind of main shaft of integral type compressor with rolling rotor and the attachment structure of rotor that the present invention provides, comprising: rotor
And main shaft, described main shaft circumferential wall is provided with the circumferentially fixed portion with described rotor inner round wall male-female engagement；
The axial restraint component of rotor described in axial restraint is provided with described main shaft end face.
Wherein, described axial restraint component includes:
For limiting the described rotor baffle plate of described main shaft axial movement relatively and described baffle plate being fixed on described main shaft
On with described spindle thread cooperation fixture.
Wherein said baffle plate is the oil baffle of motor.
Wherein said circumferentially fixed portion has the groove along the axially extending molding of described main shaft circumferential wall, and in described rotor
The convex tooth of molding and described groove fit on inner round wall.
The quantity of wherein said groove and convex tooth is and is uniformly distributed in two and above and circumference.
The cross section of wherein said groove and described convex tooth is triangular in shape, rectangle or gear-like.
Wherein said groove constitutes opening near one end of described spindle nose in described spindle nose, and in described groove
The other end constitute confined planes；Convex tooth on described rotor snaps in described groove at the opening of described groove, and is withstanding
Position at described confined planes.
Further, a kind of integral type compressor with rolling rotor of the present invention also offer, including motor part and compressor
Part, two parts had not only been linked together as motor output shaft but also as the main shaft of compressor crank shaft by one, using upper
State the attachment structure of described main shaft and rotor.
The present invention has the advantage that with respect to prior art
1. the main shaft that the present invention provides and the attachment structure of rotor, including rotor and main shaft, this main shaft circumferential wall are arranged
There is the circumferentially fixed portion with described rotor inner round wall male-female engagement, main shaft end face is additionally provided with the axle of rotor described in axial restraint
To fixing component, circumferentially fixed portion and axial restraint component make main shaft not only fasten in circumferential direction with rotor, in axial direction
Also fastened on direction, it is to avoid in the rotation process of main shaft and rotor, rotor and main shaft in axial direction relative motion and phase
Mutually depart from.
2. the present invention provides main shaft and the attachment structure of rotor, described axial restraint component includes: described for limiting
The rotor baffle plate of described main shaft axial movement relatively and by described baffle plate be fixed on described song main shaft with described spindle thread
The fixture of cooperation, fixture connects main shaft end face after passing through baffle plate, makes baffle plate press to rotor end-face, thus in the axial direction
Fixed rotor and main shaft.
3. the present invention provides main shaft and the attachment structure of rotor, described baffle plate is the oil baffle of motor, directly utilizes
Perforate on oil baffle, fixture connects main shaft end face after passing through this hole, increases part without other.
4. the present invention provides main shaft and the attachment structure of rotor, described circumferentially fixed portion has along described main shaft circumferential wall
The groove of axially extending molding, and on described rotor inner round wall molding and described groove fit convex tooth, convex tooth and groove
Cooperation realizes the fastening in circumferential direction of main shaft and rotor and linkage setting so that when rotor rotates, can order about main shaft connection
Dynamic, realize the linkage of motor output shaft and compressor crank shaft.
5. the attachment structure of main shaft and rotor that the present invention provides, the quantity of described groove and convex tooth be two and with
On, and be uniformly distributed in circumference, so that rotor and main shaft circumferential stress in rotation process is more uniform, it is to avoid moment ripple
Move and reduce product reliability.
6. the present invention provides main shaft and the attachment structure of rotor, the cross section of described groove and described convex tooth is in triangle
Shape, rectangle or gear-like.Contact area diametrically is bigger with convex tooth for groove, then the transmission efficiency of moment is higher, but
Also the intensity of main shaft can be reduced, in actual production, triangle, rectangle or gear-like can be adopted with combined process and demand,
It can be the combination of triangle, rectangle, gear-like.
7. the present invention provides main shaft and the attachment structure of rotor, described groove is near one end of described spindle nose in institute
State spindle nose and constitute opening, and the other end in described groove constitutes confined planes；Convex tooth on described rotor is from described groove
Opening at snap in described groove, and withstanding at described confined planes positioning, thus arrive the realization of the direction of confined planes along opening
Positioning to described rotor, and then realized so that rotor is in axle by above-mentioned baffle plate along confined planes to the rotor fixed position of opening direction
All positioned on two contrary directions.
8. the integral type compressor with rolling rotor that the present invention provides, including motor part and compressor section, two parts lead to
Cross one not only to link together as motor output shaft but also as the main shaft of compressor crank shaft, the connection of described main shaft and rotor
Structure adopts above-mentioned attachment structure, therefore, has all advantages of above-mentioned main shaft and the attachment structure of rotor.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
In embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe in
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of the main shaft of the present invention and rotor in the attachment structure of rotor；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the front view of the main shaft of the present invention and main shaft in the attachment structure of rotor；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the sectional view of main shaft in Fig. 3；
Fig. 6 is the installation diagram with the attachment structure of rotor for the main shaft of the present invention.
Reference: 10- rotor；The convex tooth of 11-；20- main shaft；21- groove；30- confined planes；
40- baffle plate；50- fixture.
Specific embodiment
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described with the enforcement it is clear that described
Example is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
As long as additionally, the non-structure each other of involved technical characteristic in invention described below different embodiments
Become conflict just can be combined with each other.
Embodiment 1
A kind of main shaft of integral type compressor with rolling rotor and the attachment structure of rotor that the present embodiment provides, as Fig. 6 institute
Show, comprising: rotor 10 and main shaft 20, described main shaft 20 circumferential wall is provided with the week with described rotor 10 inner round wall male-female engagement
To fixed part；The axial restraint component of rotor 10 described in axial restraint is provided with described main shaft 20 end face.Circumferentially fixed portion and
Axial restraint component makes main shaft 20 not only fasten in circumferential direction with rotor 10, is also fastened in the axial direction, keeps away
Exempt from main shaft 20 and the rotation process of rotor 10, rotor 10 and main shaft 20 in axial direction relative motion and be mutually disengaged.
Axial restraint component includes: as shown in Figure 6, moves axially for limiting the relatively described main shaft 20 of described rotor 10
Baffle plate 40 and the fixture 50 with the cooperation of described main shaft 20 screw thread described baffle plate 40 being fixed on described main shaft 20, fixing
Part 50 connects main shaft 20 end face after passing through baffle plate 40, and makes baffle plate 40 press to rotor 10 end face, thus fixing in the axial direction
Rotor 10 and main shaft 20.Described fixture 50 is chosen as screw, bolt etc..
This baffle plate 40 is the oil baffle of motor, directly utilizes perforate on oil baffle, and fixture connects master after passing through this hole
Axle 20 end face, increases part without other.
The bearing that several press to rotor 10 end face is formed on baffle plate 40, bearing avoid screw on rotor 10 end face or
Rivet and press on rotor 10 end face so that baffle plate 40 can press to rotor 10 effectively.
Described circumferentially fixed portion has the groove 21 along the axially extending molding of described main shaft 20 circumferential wall, and in described rotor
The convex tooth 11 that on 10 inner round wall, molding is coordinated with described groove 21, main shaft 20 and rotor 10 are realized in the cooperation of convex tooth 11 and groove 21
Fastening in circumferential direction and linkage are arranged so that when rotor 10 rotates, can ordering about main shaft 20 and link, realize motor defeated
Shaft and the linkage of compressor crank shaft.
In the present embodiment, the quantity of groove 21 and convex tooth 11 be two and more than, and be uniformly distributed in circumference so that
Rotor 10 and main shaft 20 circumferential stress in rotation process is more uniform, it is to avoid moment big ups and downs and reduce product reliably
Property.Groove 21 is more with the quantity of convex tooth 11, then the fluctuation of all upwards moments is less, but when main shaft 20 external diameter is constant, groove
The intensity of 21 quantity more at most main shaft 20 is less.In the present embodiment, described groove 21 is six with the quantity of convex tooth 11, and circumference
On be uniformly distributed.Certainly, the intensity in bent axle and rotor 10 is sufficiently large and in the case of allowing circumferential moment to have larger fluctuation, recessed
Groove 21 can be one with the quantity of convex tooth 11.
Each convex tooth 11 described can be a convex tooth 11 for molding or in same axial direction continuously in axial direction
The convex tooth 11 of some interruptions.The convex tooth 11 of interruption setting snaps in groove 21 and convex tooth when in described groove 21 (being still continuous)
Frictional force between 11 less it is easier to convex tooth 11 is snapped in groove 21.
The cross section of described groove 21 and described convex tooth 11 is triangular in shape, rectangle or gear-like.As Fig. 2, Fig. 4, Fig. 5 institute
Show, the groove 21 in the present embodiment is triangular in shape with the cross section of convex tooth 11.In actual production, can be adopted with combined process and demand
With triangle, rectangle or gear-like or triangle, rectangle, gear-like combination.
As shown in Figure 1, Figure 3, described groove 21 is constituted in described main shaft 20 end near one end of described main shaft 20 end
Opening, and the other end in described groove 21 constitutes confined planes 30；Convex tooth 11 opening from described groove 21 on described rotor 10
Snap in described groove 21 at mouthful, and position at described confined planes 30 withstanding, thus real to the direction of confined planes 30 along opening
The now positioning to described rotor 10, and position along confined planes 30 to the rotor 10 of opening direction, realized by above-mentioned baffle plate 40, make
Obtain rotor 10 all to be positioned on axially two contrary directions.
Embodiment 2
A kind of main shaft of integral type compressor with rolling rotor and the attachment structure of rotor that the present embodiment provides, comprising: turn
Son 10 and main shaft 20, described main shaft 20 circumferential wall is axially extending to form convex tooth, on described rotor 10 inner round wall molding with described
The groove of convex tooth cooperation, the fastening in circumferential direction of main shaft 20 and rotor 10 is realized in the cooperation of convex tooth and groove and linkage sets
Put so that when rotor 10 rotates, main shaft 20 can be ordered about and links, realize the linkage of motor output shaft and compressor crank shaft.Institute
State the axial restraint component that rotor 10 described in axial restraint is provided with main shaft 20 end face.So that main shaft 20 is with rotor 10 not
Only fasten in circumferential direction, also fastened in the axial direction, it is to avoid in the rotation process of main shaft 20 and rotor 10, rotor
10 and main shaft 20 in axial direction relative motion and be mutually disengaged.
Axial restraint component includes: for limiting the baffle plate 40 of relatively described main shaft 20 axial movement of described rotor 10 and inciting somebody to action
Described baffle plate 40 is fixed on the fixture with the cooperation of described main shaft 20 screw thread on described main shaft 20, after fixture passes through baffle plate 40
Connect main shaft 20 end face, and make baffle plate 40 press to rotor 10 end face, thus fixed rotor 10 and main shaft 20 in the axial direction.Institute
State fixture and be chosen as screw, bolt etc..
Embodiment 3
A kind of integral type compressor with rolling rotor that the present embodiment provides, including motor part and compressor section, two
Divide and not only linked together as motor output shaft but also as the main shaft 20 of compressor crank shaft by one, as shown in fig. 6, described
Main shaft 20 is the attachment structure described in above-described embodiment 1 or embodiment 2 with the attachment structure of rotor 10, therefore, has above-mentioned
All advantages in embodiment 1 or embodiment 2.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (8)
1. the attachment structure of a kind of main shaft of integral type compressor with rolling rotor and rotor, comprising:
Rotor (10) and main shaft (20), described main shaft (20) circumferential wall is provided with and described rotor (10) inner round wall male-female engagement
Circumferentially fixed portion；
It is characterized in that, described main shaft (20) end face is provided with the axial restraint component of rotor described in axial restraint (10).
2. the attachment structure of main shaft (20) according to claim 1 and rotor (10) is it is characterised in that described axial restraint
Component includes:
For limiting the baffle plate (40) that the relatively described main shaft (20) of described rotor (10) moves axially and described baffle plate (40) is solid
It is scheduled on the fixture (50) with the cooperation of described main shaft (20) screw thread on described main shaft (20).
3. the attachment structure of main shaft (20) according to claim 2 and rotor (10) is it is characterised in that described baffle plate (40)
Oil baffle for motor.
4. the attachment structure according to the arbitrary described main shaft (20) of claim 1-3 and rotor (10) is it is characterised in that described week
To fixed part, there is the groove (21) along the axially extending molding of described main shaft (20) circumferential wall, and in described rotor (10) inner round wall
The convex tooth (11) that upper molding and described groove (21) coordinate.
5. the attachment structure of main shaft (20) according to claim 4 and rotor (10) is it is characterised in that described groove (21)
It is on two and above and circumference with the quantity of convex tooth (11) and be uniformly distributed.
6. the attachment structure of main shaft (20) according to claim 4 and rotor (10) is it is characterised in that described groove (21)
, rectangle triangular in shape with the cross section of described convex tooth (11) or gear-like.
7. the attachment structure of main shaft (20) according to claim 4 and rotor (10) is it is characterised in that described groove (21)
One end near described main shaft (20) end constitutes opening in described main shaft (20) end, and the other end in described groove (21)
Constitute confined planes (30)；Convex tooth (11) on described rotor (10) snaps in described groove (21) at the opening of described groove (21)
In, and withstanding described confined planes (30) place positioning.
8. a kind of integral type compressor with rolling rotor, including motor part and compressor section, two parts were both used as by one
Main shaft (20) as compressor crank shaft links together motor output shaft again；It is characterized in that, using as claim 1-7
Main shaft (20) described in any one and the attachment structure of rotor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901786.3A CN106368950A (en) | 2016-10-17 | 2016-10-17 | Connecting structure of main shaft and rotor and integrated rolling rotor compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901786.3A CN106368950A (en) | 2016-10-17 | 2016-10-17 | Connecting structure of main shaft and rotor and integrated rolling rotor compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106368950A true CN106368950A (en) | 2017-02-01 |
Family
ID=57895440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610901786.3A Pending CN106368950A (en) | 2016-10-17 | 2016-10-17 | Connecting structure of main shaft and rotor and integrated rolling rotor compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106368950A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4762471A (en) * | 1984-11-06 | 1988-08-09 | Kabushiki Kaisha Toshiba | Rotary compressor for refrigerant |
| US5263822A (en) * | 1989-10-31 | 1993-11-23 | Matsushita Electric Industrial Co., Ltd. | Scroll compressor with lubrication passages to the main bearing, revolving bearing, back-pressure chamber and compression chambers |
| CN101358616A (en) * | 2007-08-01 | 2009-02-04 | 乐金电子(天津)电器有限公司 | Assembling structure of crankshaft and rotor |
| CN102011732A (en) * | 2009-09-08 | 2011-04-13 | 珠海格力电器股份有限公司 | Rotary compressor and oil baffle plate mounting structure thereof |
| CN104334884A (en) * | 2012-04-19 | 2015-02-04 | 三菱电机株式会社 | Hermetically sealed compressor and vapor compression refrigeration cycle device with hermetically sealed compressor |
| CN205136400U (en) * | 2015-11-17 | 2016-04-06 | 珠海凌达压缩机有限公司 | Compressor and connection structure of rotor and crankshaft thereof |
| CN105782052A (en) * | 2014-12-24 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN206257048U (en) * | 2016-10-17 | 2017-06-16 | 珠海格力节能环保制冷技术研究中心有限公司 | The attachment structure and integral type compressor with rolling rotor of a kind of main shaft and rotor |
-
2016
- 2016-10-17 CN CN201610901786.3A patent/CN106368950A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4762471A (en) * | 1984-11-06 | 1988-08-09 | Kabushiki Kaisha Toshiba | Rotary compressor for refrigerant |
| US5263822A (en) * | 1989-10-31 | 1993-11-23 | Matsushita Electric Industrial Co., Ltd. | Scroll compressor with lubrication passages to the main bearing, revolving bearing, back-pressure chamber and compression chambers |
| CN101358616A (en) * | 2007-08-01 | 2009-02-04 | 乐金电子(天津)电器有限公司 | Assembling structure of crankshaft and rotor |
| CN102011732A (en) * | 2009-09-08 | 2011-04-13 | 珠海格力电器股份有限公司 | Rotary compressor and oil baffle plate mounting structure thereof |
| CN104334884A (en) * | 2012-04-19 | 2015-02-04 | 三菱电机株式会社 | Hermetically sealed compressor and vapor compression refrigeration cycle device with hermetically sealed compressor |
| CN105782052A (en) * | 2014-12-24 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN205136400U (en) * | 2015-11-17 | 2016-04-06 | 珠海凌达压缩机有限公司 | Compressor and connection structure of rotor and crankshaft thereof |
| CN206257048U (en) * | 2016-10-17 | 2017-06-16 | 珠海格力节能环保制冷技术研究中心有限公司 | The attachment structure and integral type compressor with rolling rotor of a kind of main shaft and rotor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ITMI992721A1 (en) | TORQUE TRANSMISSION DEVICE FOR THE CONNECTION OF A CRANKSHAFT OF A HEAT ENGINE WITH A MOTORCYCLE SOCKET PART | |
| CN104350284B (en) | Turbomachinery | |
| CN103221705A (en) | Clamping device for a shaft-hub connection | |
| CN105765245A (en) | Foil bearing, and foil bearing unit and turbo machine each having same | |
| CN101657639A (en) | The oil pump that is used for refrigeration compressor | |
| CN205703991U (en) | A kind of provision for disengagement separated with axle for bearing of wind power generator back-up ring | |
| JP2012167669A (en) | Pull rod connection to journal | |
| CN104235021A (en) | Rolling rotor type compressor and roller thereof | |
| KR20150109442A (en) | Electromechanical shock absorber for washing machines | |
| CN206257048U (en) | The attachment structure and integral type compressor with rolling rotor of a kind of main shaft and rotor | |
| CN204205836U (en) | A kind of motor | |
| CN106368950A (en) | Connecting structure of main shaft and rotor and integrated rolling rotor compressor | |
| CN111207200A (en) | Transmission gear box | |
| JP2019535978A (en) | Self-synchronizing clutch | |
| KR101714208B1 (en) | Independence Rotational Inertia Mass type Torsional Damper and Crankshaft thereby | |
| US20120193182A1 (en) | Stator tabs for staking | |
| CN206099679U (en) | Motor housing and stator core fixed knot construct | |
| CN103122926B (en) | A kind of supporting rollern bearing | |
| CN113037007A (en) | Driving device for starting and generating power for automobile | |
| CN204941961U (en) | Rotary compressor and there is its freezing cycle device | |
| CN105090042A (en) | Rotary compressor and freezing circulating device with same | |
| CN209340422U (en) | Engine idle gear component | |
| CN209444436U (en) | Power transmission arrangment | |
| JP2016503853A (en) | Exhaust gas turbocharger compressor overrun air recirculation valve | |
| CN106065878B (en) | Fluid machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |
|
| RJ01 | Rejection of invention patent application after publication |