CN204591678U - Scroll compressor and drive shaft for scroll compressor - Google Patents
Scroll compressor and drive shaft for scroll compressor Download PDFInfo
- Publication number
- CN204591678U CN204591678U CN201520260399.7U CN201520260399U CN204591678U CN 204591678 U CN204591678 U CN 204591678U CN 201520260399 U CN201520260399 U CN 201520260399U CN 204591678 U CN204591678 U CN 204591678U
- Authority
- CN
- China
- Prior art keywords
- live axle
- scroll compressor
- main bearing
- spill port
- crank pin
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/42—Pumps with cylinders or pistons
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model relates to a scroll compressor, include: a compression mechanism; a driving shaft including an eccentric crank pin on an end surface thereof, the eccentric crank pin cooperating with a portion of the compression mechanism to drive the compression mechanism; a motor configured to rotate a drive shaft and including a stator and a rotor; and a main bearing housing in which a main bearing for supporting the drive shaft is accommodated, the main bearing housing having a recess for accommodating the eccentric crank pin and a part of the compression mechanism, wherein at least one oil return passage for guiding lubricating oil from the recess to an outside of the main bearing housing is provided in the drive shaft. The utility model discloses still relate to a drive shaft that is provided with oil return passage for scroll compressor.
Description
Technical field
The utility model relates to a kind of scroll compressor and the live axle for scroll compressor.
Background technique
The content of this part provide only the background information relevant to the disclosure, and it may not form prior art.
Scroll compressor generally includes compressing mechanism, live axle and motor.Compressing mechanism comprises determines scroll element and dynamic scroll element.Dynamic scroll element carries out moving motion relative to determining scroll element under the driving of live axle, making dynamic scroll element and the blade of determining scroll element be bonded with each other to be formed, volume reduces gradually carries out to working fluid (such as, refrigeration agent) pressing chamber that compresses.Live axle is by the bearings be contained in bearing support and driven by motor and rotate.
Each moving element above-mentioned all needs the lubrication of lubricant oil to maintain working stability and the reliability of compressor.Therefore, the oil circulation system of compressor is the important component part of compressor.The oil circulation system of compressor comprises fuel feeding part and oil return part.It is desirable that, lubricant oil can not only be suitably supplied to each motion parts and need lubricant oil to be recycled in appropriate amount in oil storage tank by the oil circulation system of compressor.
Therefore, need a kind ofly to have that structure is simple, assembling simplifies and effectively can reclaim the compressor of the oil recovery system of lubricant oil.
Model utility content
An object of the present utility model is to provide a kind of to be had that structure is simple, assembling simplifies and effectively can reclaim the scroll compressor of the oil recovery system of lubricant oil.
Be to provide a kind of lower-cost scroll compressor according to an object of the present utility model.
The live axle that a kind of effective recovery lubricant oil for scroll compressor is provided is according to another object of the present utility model.
According to an aspect of the present utility model, provide a kind of scroll compressor, comprising: compressing mechanism; Live axle, live axle comprises eccentric crank pin on its end face, and eccentric crank pin coordinates to drive compressing mechanism with a part for compressing mechanism; Motor, motor structure becomes to make live axle rotate and comprise stators and rotators; And main bearing seat, the main bearing for supporting driving shaft is equipped with in main bearing seat, main bearing seat has the recess of the part for accommodating eccentric crank pin and compressing mechanism, wherein, at least one drainback passage lubricant oil being directed at main bearing seat outside from recess is provided with in live axle.
According to said structure, owing to being provided with the drainback passage of the lubricant oil in the recess of main bearing seat to the bottom-boot of compressor in live axle, therefore without the need to arranging radial hole and without the need to arranging the component such as oil guide pipe, air guide sleeve around compressor housing in main bearing seat.Like this, said structure provide not only effective drainback passage, and can reduce the number of components of compressor, the structure of simplification compressor.In addition, the manufacture relevant to the such as component such as oil guide pipe, air guide sleeve, installation and maintenance cost can be reduced, reduce the cost of whole compressor thus.
Alternatively, drainback passage comprises the radial spill port of the axial spill port roughly extended along the axial direction of live axle from the part except eccentric crank pin of the end face of live axle and the external cylindrical surface radially extending out to live axle from axial spill port.
Alternatively, drainback passage comprises the oblique spill port extending to the external cylindrical surface of live axle from the part except eccentric crank pin of the end face of live axle.
Preferably, the axial direction of live axle is provided with radial spill port in the upside of motor or downside.When arranging radial spill port in the upside of motor, be conducive to radial spill port manufacturing and can cooling motor further.When arranging radial spill port in the downside of motor, then the impact of air-flow on lubricant oil can be made to be down to minimum.
In addition, be also provided with oil supply gallery in live axle, oil supply gallery comprises the eccentric opening of the concentric hole be arranged in the end contrary with compressing mechanism of live axle and the end face extending to eccentric crank pin from concentric hole.
Preferably, the position corresponding to main bearing of live axle is also provided with from eccentric opening radially outward extending first radial hole.Such structure is conducive to the life-span lubricating to extend main bearing to main bearing.
Preferably, scroll compressor also comprises and relatively to arrange with main bearing seat and the auxiliary axis bearing of the other end for supporting driving shaft, is provided with auxiliary bearing and is also provided with from concentric hole radially outward extending second radial hole in the position corresponding to auxiliary bearing of live axle in auxiliary axis bearing.Such structure is conducive to the life-span lubricating to extend auxiliary bearing to auxiliary bearing.
Preferably, radial spill port is the elongated hole of circumferentially direction extension or is horn-like hole.
Preferably, axial spill port is blind hole.
Alternatively, the end of the contiguous main bearing seat of rotor is provided with the first equilibrium block, the outlet of drainback passage is arranged on the top of the first equilibrium block; And/or between main bearing seat and the first equilibrium block, being also provided with the second equilibrium block being fixed to live axle, the outlet of drainback passage is arranged on the below of the second equilibrium block.
Preferably, the bottom surface of main bearing seat is provided with cylindric air guide sleeve.Owing to being provided with air guide sleeve, can lubricant oil being stopped and lubricant oil is flowed downward along air guide sleeve.
According to another aspect of the present utility model, also relate to a kind of live axle for scroll compressor, wherein, live axle comprises the eccentric crank pin being arranged on its one end, and is provided with oil supply gallery and drainback passage wherein.Oil supply gallery comprises the eccentric opening of the concentric hole be arranged in the end contrary with the compressing mechanism of scroll compressor of live axle and the end face extending to eccentric crank pin from concentric hole.Drainback passage comprises the radial spill port of the axial spill port roughly extended along the axial direction of live axle from the part except eccentric crank pin of the end face of live axle and the external cylindrical surface radially extending out to live axle from axial spill port.
Accompanying drawing explanation
By the description referring to accompanying drawing, the feature and advantage of one or several mode of execution of the present utility model will become easier to understand, wherein:
Fig. 1 is the longitudinal section of scroll compressor;
Fig. 2 is the enlarged diagram of the indicated part of dotted line V in Fig. 1;
Fig. 3 is the schematic cross-section intercepted along the line M-M of Fig. 1;
Fig. 4 is the longitudinal section of the live axle according to the utility model first mode of execution; And
Fig. 5 is the longitudinal section of the live axle according to the utility model second mode of execution.
Embodiment
Description related to the preferred embodiment is only exemplary below, and is never the restriction to the utility model and application or usage.Adopt identical reference character to represent identical parts in various figures, therefore the structure of same parts is by no longer repeated description.
First total structure and the running principle of scroll compressor are described with reference to Fig. 1.It should be understood that compressor in Fig. 1 is only for purposes of illustration, and unrestricted the utility model.
As shown in Figure 1, scroll compressor 100 (hereinafter sometimes also can be called compressor) generally comprises housing 110, is arranged on the top cover 112 of housing 110 one end and is arranged on the bottom 114 of housing 110 the other end.Compressing mechanism 10, live axle 30 and motor 20 is provided with in housing 110.Compressing mechanism 10 comprises determines scroll element 150 and dynamic scroll element 160.Motor 20 is configured to live axle 30 is rotated, then, relative to motion of determining scroll element 150 moving (namely the rotation of live axle 30 makes dynamic scroll element 160, the central axis of dynamic scroll element 160 rotates around the central axis determining scroll element 150, but dynamic scroll element 160 itself can not rotate around the central axis of itself), thus realize the compression of fluid.
Dynamic scroll element 160 comprises end plate 164, be formed in the hub portion 162 of end plate side and be formed in the spiral helicine blade 166 of end plate opposite side.Determine scroll element 150 to comprise end plate 154, be formed in the spiral helicine blade 156 of end plate side and be formed in the relief opening 152 of substantial middle position of end plate.Determining to form a series of volume between the helical blade 156 of scroll element 150 and the helical blade 166 of dynamic scroll element 160 at the compression chamber reduced gradually from radial outside to radially inner side.Wherein, the compression chamber of outermost radial outside is in pressure of inspiration(Pi), and the compression chamber of radial inner side is in exhaust pressure.Middle compression chamber is between pressure of inspiration(Pi) and exhaust pressure, thus is also referred to as middle pressure chamber.
The side of dynamic scroll element 160 is supported by the top (it forms thrust surfaces) of main bearing seat 140.One end of live axle 30 is supported by the main bearing 144 be arranged in main bearing seat 140, and the other end is supported by the auxiliary bearing be arranged in auxiliary axis bearing or step 170 or lower bearing 174.One end that the vicinity of live axle 30 moves scroll element 160 is provided with eccentric crank pin 32, is provided with unloading lining 42 between eccentric crank pin 32 and the hub portion 162 of dynamic scroll element 160.Eccentric crank pin 32 can be contained in the hole of the roughly D shape of unloading lining 42.The radial compliance of compressing mechanism can be realized by means of eccentric crank pin 32 and unloading lining 42.
Motor 20 is made up of stator 122 and rotor 124.Stator 122 is fixedly installed to housing 110 usually.Rotor 124 is fixedly installed to live axle 30.Like this, when rotor 124 rotates, rotor 124 drives live axle 30 to rotate, and live axle 30 drives dynamic scroll element 160 translational motion (that is, moving motion) then.
In the example of the scroll compressor shown in Fig. 1, lubricant oil can be stored in the bottom of compressor housing.Correspondingly, be formed in live axle 30 roughly along its axially extended passage, be namely formed in the center hole 136 of live axle 30 lower end and extend up to the eccentric opening 134 of eccentric crank pin 32 end face from center hole 136.The end of center hole 136 can be immersed in the lubricant oil bottom compressor housing or otherwise be supplied to lubricant oil.In a kind of example, oil feeding device can be set in this center hole 136 or in its end, such as oil pump or oil fork etc.In the operation process of compressor, the lubricated fluid supply apparatus supply in one end of center hole 136 has lubricant oil, and the lubricant oil entering center hole 136 is subject to the effect of centrifugal force and is pumped or is thrown to upwards to flow in eccentric opening 134 and along eccentric opening 134 and arrive the end face of eccentric crank pin 32 always in live axle 30 rotary course.The lubricant oil of discharging from the end face of eccentric crank pin 32 along the gap between unloading lining 42 and eccentric crank pin 32 and the gap unloaded between lining 42 and hub portion 162 flow downward arrive main bearing seat 140 recess 146.In addition, can also corresponding to the position of main bearing 144 and be provided with the radial hole 132 that is communicated with eccentric opening 134 fluid to provide lubricant oil to main bearing 144 at live axle 30.Equally, the radial hole 138 that is communicated with center hole 136 fluid can be provided with in the position corresponding to lower bearing or auxiliary bearing 174 of live axle 30 to provide lubricant oil to lower bearing 174.In this example, center hole 136, eccentric opening 134 and radial hole 132 and 138 constitutes the oil supply gallery of live axle 30.
In some routines or existing compressor, in the oil storage tank be back to after each moving element of lubrication bottom compressor to make lubricant oil, especially, be back to oil storage tank in order to make the lubricant oil after lubrication eccentric crank pin and unloading lining from the central indentation of main bearing seat, in main bearing seat, be provided with the hole extending through main bearing seat from its central indentation radial direction, make lubricant oil can along the housing of compressor toward downstream in the oil storage tank bottom compressor.But in such configuration, the lubricant oil flowed down along housing is usually subject to the impact of air-flow, sometimes even can be taken out of compressor by air-flow, cause the quantity not sufficient of the lubricant oil stored in oil storage tank thus.At other in conventional or existing compressor, in order to prevent air-flow on the impact of lubricant oil, being provided with oil guide slot or oil guide pipe at the appropriate section place of housing to make the lubricant oil that flows down along housing and airflow breakaway, that is, making lubricant oil by the impact of air-flow.But, in such configuration, need, by modes such as welding or interference fit, oil guide slot, air guide sleeve or oil guide pipe are fixed to the housing of compressor or other parts of compressor, thereby increase assembling load, reduce packaging efficiency.In addition, welding or interference fit may also can make the housing of compressor or other parts produce less desirable distortion.Also may produce to the manufacture of oil guide slot, air guide sleeve or oil guide pipe, assembling extraly or safeguard relevant cost or expense.
In order to solve the problem, present inventor contemplates and arrange drainback passage to be guided towards oil storage tank by the lubricant oil in the recess 146 of main bearing seat 144 in live axle 30, instead of in main bearing seat, arranges radial hole lubricant oil to be guided into the housing of compressor.Therefore, in structure of the present utility model, without the need to arranging oil guide slot, air guide sleeve or oil guide pipe at housing adjacent, thus the problems caused by oil guide slot, air guide sleeve or oil guide pipe can be overcome.
Be described in detail according to the drainback passage of live axle of the present utility model, particularly live axle below with reference to accompanying drawings.See Fig. 2, live axle 30 also comprises the axial direction from the part except eccentric crank pin 32 end face of live axle 30 along live axle 30 to the axial spill port 135 of downward-extension and the radial spill port 137 that extends radially outwardly from axial spill port 135.Axial spill port 135 is communicated with recess 146 fluid of main bearing seat 140.In the illustrated embodiment, axial spill port 135 and radial spill port 137 form the drainback passage 131 of live axle 30.
By according to live axle 30 of the present utility model, lubricant oil via live axle 30 oil supply gallery (particularly, center hole 136 and eccentric opening 134) flow to the end face of eccentric crank pin 32, the hub portion 162 of eccentric crank pin 32, unloading lining 42 and dynamic scroll element is lubricated, is then gathered in the recess 146 of main bearing seat 140.The axial spill port 135 that at least most of lubricant oil be gathered in the recess 146 of main bearing seat 140 can flow through live axle 30 flows downward, and flows out live axle 30 via radial spill port 137.
It should be understood that the setting position of radial spill port 137 can change.As shown in fig. 4 and fig. 2, radial spill port 137 roughly can be arranged on the top of motor 20.Thus, composition graphs 3, throwing away from radial spill port 137 and splash to be formed drop or vaporific lubricant oil can by the gap 123 between the staor winding 126 of such as motor 20 and the gap 125 between stator 122 and housing 110 to downstream to the oil storage tank bottom compressor.In this illustrated mode of execution, lubricant oil is conducive to the temperature reducing motor 20 further, can improve the efficiency of motor 20 thus.
In addition, the end face of the rotor 124 of motor 20 is provided with equilibrium block, radial spill port 137 roughly can be arranged on the top of this equilibrium block.Similarly, throw away from radial spill port 137 and splash to be formed drop or vaporific lubricant oil can by each gap motor (motor) to downstream in the oil storage tank bottom compressor.
Can also arrange equilibrium block on live axle 30, this equilibrium block can be close to main bearing seat 140.In this case, radial spill port 137 can the equilibrium block on live axle 30 and between the equilibrium block on rotor 124, that is, be positioned at the below of the equilibrium block on live axle 30 and be positioned at the top of the equilibrium block on rotor 124.
As depicted in figs. 1 and 2, cylindric air guide sleeve 120 can be provided with on the bottom surface of main bearing seat 140.Owing to being provided with air guide sleeve 120, can lubricant oil being stopped and lubricant oil is flowed downward along air guide sleeve 120.Preferably, air guide sleeve 120 can be arranged on the top of motor winding.
As shown in Figure 5, radial spill port 137 also roughly can be arranged on the below of motor 20.In this illustrated configuration, lubricant oil is directly back to the below of motor 20, that is, closer to oil storage tank, therefore, can reduce the impact of air-flow on lubricant oil further.
It should be understood that illustrated concrete example is only for explanation the purpose of this utility model, and unrestricted the utility model, therefore, above-mentioned concrete example can have various change.Such as, the drainback passage 138 of live axle 30 can be the oblique spill port directly extending through the sidewall of live axle 30 from the part except eccentric crank pin the end face of live axle 30, instead of is made up of the axial spill port 135 in above-mentioned mode of execution and radial spill port 137.In addition, radial spill port 137 can be communicated with axial spill port 135 and the circumferentially elongated hole that extends of direction or can be horn-like, so that lubricant oil is evenly distributed in the gap 123 between staor winding 126 and/or the gap between stator 122 and housing 110 125, thus cooling motor 20 better.Similarly, the size and dimension of radial spill port 137 also can change according to actual needs.Although radial spill port 137 is shown in Figure 4 for the top being positioned at motor 20, be shown in Figure 5 for the below being positioned at motor 20, but it is envisioned that radial spill port 137 can be provided with above and below motor 20.In the example shown in the series of figures, axial spill port 135 is blind hole, such as, it is to be understood however that axial spill port 135 can be other forms of hole, step hole, eccentric opening, slope hole or through hole etc.In addition, the bearing of trend of axial spill port 135 not exclusively can be parallel to the axial direction of live axle 30, but angled relative to the axial direction of live axle 30.
Specifically describe various mode of execution of the present utility model and modification above, but it should be appreciated by those skilled in the art that the utility model is not limited to above-mentioned concrete mode of execution and modification but can comprises other various possible combination and combinations.
Although described various mode of execution of the present utility model in detail at this, but should be appreciated that the utility model is not limited to the embodiment described in detail and illustrate here, other modification and variant can be realized when not departing from essence of the present utility model and scope by those skilled in the art.All these modification and variant all fall in scope of the present utility model.And all components described here can be replaced by component equivalent in other technologies.
Claims (12)
1. a scroll compressor, comprising:
Compressing mechanism (10);
Live axle (30), described live axle (30) comprises eccentric crank pin (32) on its end face, and described eccentric crank pin (32) coordinates to drive described compressing mechanism (10) with a part for described compressing mechanism (10);
Motor (20), described motor (20) is configured to make described live axle (30) rotate and comprise stator (122) and rotor (124); And
Main bearing seat (140), the main bearing (144) for supporting described live axle (30) is equipped with in described main bearing seat (140), described main bearing seat (140) has the recess (146) of the described part for accommodating described eccentric crank pin (32) and described compressing mechanism (10)
It is characterized in that, be provided with in described live axle (30) and lubricant oil is guided to outside at least one drainback passage (131) of described main bearing seat (140) from described recess (146).
2. scroll compressor as claimed in claim 1, wherein, described drainback passage (131) comprises the axial spill port (135) roughly extended along the axial direction of described live axle (30) from the part except described eccentric crank pin (32) of the described end face of described live axle (30) and the radial spill port (137) radially extending out to the external cylindrical surface of described live axle (30) from described axial spill port (135).
3. scroll compressor as claimed in claim 1, wherein, described drainback passage (131) comprises the oblique spill port extending to the external cylindrical surface of described live axle (30) from the part except described eccentric crank pin (32) of the described end face of described live axle (30).
4. scroll compressor as claimed in claim 2, wherein, the described axial direction along described live axle (30) is provided with described radial spill port (137) in the upside of described motor (20) or downside.
5. the scroll compressor according to any one of Claims 1-4, wherein, described live axle is also provided with oil supply gallery in (30), and described oil supply gallery comprises the eccentric opening (134) of the concentric hole (136) be arranged in the end contrary with described compressing mechanism (10) of described live axle (30) and the end face extending to described eccentric crank pin (32) from described concentric hole (136).
6. scroll compressor as claimed in claim 5, wherein, be also provided with from described eccentric opening (134) radially outward extending first radial hole (132) in the position corresponding to described main bearing (144) of described live axle (30).
7. scroll compressor as claimed in claim 5, wherein, described scroll compressor (100) also comprises and relatively to arrange with described main bearing seat (140) and auxiliary axis bearing (170) for supporting described live axle (30), auxiliary bearing (174) is provided with in described auxiliary axis bearing (170), and
Also be provided with from described concentric hole (136) radially outward extending second radial hole (138) in the position corresponding to described auxiliary bearing (174) of described live axle (30).
8. the scroll compressor as described in claim 2 or 4, wherein, described radial spill port (137) is the elongated hole of circumferentially direction extension or is horn-like hole.
9. the scroll compressor as described in claim 2 or 4, wherein, described axial spill port (135) is blind hole.
10. the scroll compressor according to any one of Claims 1-4, wherein, the end of the described main bearing seat of vicinity (140) of described rotor (124) is provided with the first equilibrium block, and the outlet of described drainback passage (131) is arranged on the top of described first equilibrium block; And/or
Between described main bearing seat (140) and described first equilibrium block, be also provided with the second equilibrium block being fixed to described live axle (30), the outlet of described drainback passage (131) is arranged on the below of described second equilibrium block.
11. scroll compressors according to any one of Claims 1-4, wherein, the bottom surface of described main bearing seat (140) are provided with cylindric air guide sleeve (120).
12. 1 kinds, for the live axle of scroll compressor, is characterized in that, described live axle (30) comprises the eccentric crank pin (32) being arranged on its one end, and are provided with oil supply gallery and drainback passage (131) wherein,
Described oil supply gallery comprises the eccentric opening (134) of the concentric hole (136) be arranged in the end contrary with the compressing mechanism (10) of described scroll compressor (100) of described live axle (30) and the end face extending to described eccentric crank pin (32) from described concentric hole (136), and
Described drainback passage (131) comprises the axial spill port (135) roughly extended along the axial direction of described live axle (30) from the part except described eccentric crank pin (32) of the end face of described live axle (30) and the radial spill port (137) radially extending out to the external cylindrical surface of described live axle (30) from described axial spill port (135).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260399.7U CN204591678U (en) | 2015-04-24 | 2015-04-24 | Scroll compressor and drive shaft for scroll compressor |
| PCT/CN2016/075985 WO2016169348A1 (en) | 2015-04-24 | 2016-03-09 | Scroll compressor and driving shaft for scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260399.7U CN204591678U (en) | 2015-04-24 | 2015-04-24 | Scroll compressor and drive shaft for scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591678U true CN204591678U (en) | 2015-08-26 |
Family
ID=53927837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520260399.7U Withdrawn - After Issue CN204591678U (en) | 2015-04-24 | 2015-04-24 | Scroll compressor and drive shaft for scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016169348A1 (en) * | 2015-04-24 | 2016-10-27 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and driving shaft for scroll compressor |
| CN106151047A (en) * | 2015-04-24 | 2016-11-23 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and drive shaft for scroll compressor |
| CN113653722A (en) * | 2020-05-12 | 2021-11-16 | 艾默生环境优化技术(苏州)有限公司 | Shaft, apparatus including the same, and machining method for the same |
-
2015
- 2015-04-24 CN CN201520260399.7U patent/CN204591678U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016169348A1 (en) * | 2015-04-24 | 2016-10-27 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and driving shaft for scroll compressor |
| CN106151047A (en) * | 2015-04-24 | 2016-11-23 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and drive shaft for scroll compressor |
| CN113653722A (en) * | 2020-05-12 | 2021-11-16 | 艾默生环境优化技术(苏州)有限公司 | Shaft, apparatus including the same, and machining method for the same |
| CN113653722B (en) * | 2020-05-12 | 2022-12-27 | 艾默生环境优化技术(苏州)有限公司 | Shaft, apparatus including the same, and machining method for the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102272453B (en) | Reciprocating compressor and refrigerating apparatus having the same | |
| CN104612974B (en) | Rotary compressor | |
| CN204591678U (en) | Scroll compressor and drive shaft for scroll compressor | |
| US4449895A (en) | Refrigerant compressor | |
| US20120201699A1 (en) | Compressor | |
| CN106151047B (en) | Scroll compressor and drive shaft for scroll compressor | |
| RU2553586C2 (en) | Compressor | |
| CN105508250A (en) | Balancing piece, rotor subassembly and rotary compressor | |
| CN103775343A (en) | Horizontal compressor | |
| EP3663587A1 (en) | Oil separation apparatus and horizontal compressor | |
| CN103362854A (en) | Centrifugal compressor | |
| CN203081751U (en) | Compressor | |
| CN210509598U (en) | Lubricating oil supply device and rotary machine including same | |
| JP6381795B2 (en) | Scroll compressor | |
| CN106286226A (en) | The oil pump of a kind of compressor and frequency-changeable compressor | |
| JP6132747B2 (en) | Hermetic compressor and equipment having hermetic compressor | |
| CN105715511A (en) | Compressor | |
| CN207470441U (en) | Oil separator and horizontal compressor | |
| CN203404092U (en) | Rotary compressor | |
| JPH07103171A (en) | Refrigeration compressor | |
| CN202597108U (en) | Scroll-type compressor | |
| CN202597099U (en) | Rotor pump and rotary machine including the same | |
| CN202789664U (en) | Centrifugal compressor | |
| CN108425849A (en) | Rotor compressor and heat transmission equipment with it | |
| CN204591674U (en) | Scroll compressor having a plurality of scroll members |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20191115 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20191115 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |