CN101303018B - Vortex compressor - Google Patents
Vortex compressor Download PDFInfo
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- CN101303018B CN101303018B CN2008101500023A CN200810150002A CN101303018B CN 101303018 B CN101303018 B CN 101303018B CN 2008101500023 A CN2008101500023 A CN 2008101500023A CN 200810150002 A CN200810150002 A CN 200810150002A CN 101303018 B CN101303018 B CN 101303018B
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- main shaft
- frame
- axial
- fuel feeding
- quiet dish
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Abstract
The invention discloses a vortex compressor composed of a static disc and a dynamic disc which are meshed with each other to form a plurality of compression cavities, an axial soft mechanism which supports the dynamic disc in the axial direction and is provided with an oil supply path and a main shaft used for driving the dynamic disc and provided with round holes for installing radial sliding blocks. By leading exhaust to a ring groove formed by a machine frame and the axial soft mechanism, the value of the axial clearance between the dynamic disc and the static disc can be kept in a comparatively small range; by leading lubrication with exhaust pressure to the holes for installing the radial sliding blocks cut on the eccentric part of the main shaft, the value of the radial clearance between the dynamic disc and the static disc can be kept in the comparatively small range; the eccentric rotational motion of the ring groove cut at the side of the dynamic disc end plate close to the main shaft can lead the lubrication to be supplied to an inspiration cavity at interval and to a cross sliding ring and a cross sliding groove which are arranged inside the axial soft mechanism, and the functions of lubrication and sealing are realized during the compressing course.
Description
Technical field
The invention belongs to the Compressor Technology field, be specifically related to a kind of scroll compressor that adopts high-pressure refrigerant that is applicable to.
Background technique
Along with the growing interest of people to environmental problems such as depletion of the ozone layer and global warmings; for refrigeration and air conditioner industry; Montreal protocol is from the angle of protection ozonosphere; require CFC alternative s and HCFCs refrigeration agent; require to adopt the less HFC refrigeration agent of ozone layer destroying index (ODP) value; but because the HFC refrigeration agent still has higher global warming index (GWP) value; therefore; Kyoto Protocol has been stipulated progressively to substitute the HFC refrigeration agent, wishes to adopt the refrigeration agent that ozone layer destroying index (ODP) value is less and global warming index (GWP) value is also less.At present, natural refrigerant, particularly CO
2, nontoxic with it, not flammable, refrigerating effect per unit swept volume is big, and kinematical viscosity is low, and special advantages such as good heat transfer characteristic are considered to become the final substitute of refrigeration agent and are subjected to paying close attention to widely.
Compare with the compressor that adopts conventional refrigerants, with CO
2Compressor as refrigeration agent has: the characteristics that pressure ratio is little, pressure reduction is big, volume flowrate is little, working pressure is high, and simultaneously because CO
2Have lower viscosity under supercritical state, therefore under identical gap condition, the leakage rate in the compression process will increase greatly, therefore, and for this employing high-pressure refrigerant CO
2Scroll compressor, in order to obtain higher compressor efficiency, need to consider between Moving plate and the quiet dish axially and the control of radial clearance especially.
An amount of lubricant oil can play effect lubricated and sealing in compression process, can reduce the leakage rate by gap between Moving plate and the quiet dish, reduces simultaneously because the slide relative caused mechanical friction loss of moving between Moving plate and the quiet dish.
Based on above reason, in order to tackle owing to refrigeration agent substitutes the technical barrier that is brought, make simultaneously and adopt the scroll compressor of high-pressure refrigerant normally and efficiently to work, necessary development structure is reasonably axial, radial compliance mechanism, reduce through the axial clearance between dynamic and static dish and the leakage rate of radial clearance, must guarantee simultaneously that each rubbing surface can access suitable lubricating, and guarantees the safe operation of compressor.
Summary of the invention
The object of the present invention is to provide a kind ofly can provide reliably axially, radial compliance mechanism and to the scroll compressor of compression chamber fuel feeding control mechanism.
For achieving the above object, the technical solution used in the present invention is: comprise upper end cap and lower end cap, and be arranged on step in the lower end cap, step is provided with main shaft, and step offers oil return through-hole, ball bearing is installed in the step hole, main shaft is provided with rotor, stator is pressed in the lower end cap by hot-mounting process, in lower end cap, be positioned at the fixed-site organic frame of rotor upper end, in upper end cap, be provided with the quiet dish that is connected with frame, along axial direction axial elasticity mechanism is installed successively in the space that between frame and quiet dish, forms, cross slip ring and Moving plate, be provided with sliding bearing between main shaft and the frame, middle part at upper end cap offers outlet pipe, oil separating device is installed in the outlet pipe, offer the frame inlet air pathway that is connected with suction port on the frame, the frame way to cycle oil, give the frame first fuel feeding path and the frame second fuel feeding path of sliding bearing fuel feeding, offer the quiet disc radial path that is connected with suction port on the quiet dish, the quiet dish axial bore that is connected with formation cavity between quiet dish and frame, quiet dish first way to cycle oil that links to each other with the frame way to cycle oil under being tilted to and axial quiet dish second way to cycle oil, and the relief opening that is connected with oil separating device, the inside of main shaft offers main shaft fuel feeding path, the radial slider mounting hole and the decompressor mounting hole of radial slider are installed, adopt capacity eccentric bearing between Moving plate and the spindle eccentricity part, on main shaft, be separately installed with main equilibrium block and secondary equilibrium block; Offer circular groove in the said axial elasticity mechanism, on frame and quiet dish, offer respectively and exhaust is incorporated into the quiet dish air feed path in this circular groove, quiet dish axial bore and frame axial bore, the gas in the formed enclosed space leaks between axial elasticity mechanism and the frame in order to prevent to be incorporated into, and the upper and lower both sides of formed circular groove are offered seal groove respectively in axial elasticity mechanism.
Offer the path that oils in the main shaft of the present invention, the end of path of oiling is connected with the decompressor mounting hole, the other end is connected with main shaft fuel feeding path, symmetry offers axial hole in axial elasticity mechanism, end plate at Moving plate offers circular groove near on the end face of main shaft one side, on the end face of close Moving plate one side of quiet dish, offer the axial bore that is connected with inlet air pathway, on the bottom surface of formed chute in the axial elasticity mechanism, form the radial hole of symmetry; The radial slider mounting hole that main shaft inside is offered is used to install radial slider is a circular port, main shaft inside also offers radially fuel feeding path and axially fuel feeding path, axially an end of fuel feeding path is connected with main shaft fuel feeding path, the other end is connected with an end of fuel feeding path radially, radially the other end of fuel feeding path is connected with the radial slider mounting hole, has the back side of the lubricant oil of exhaust pressure by introducing to radial slider, forming suitable centrifugal force in the radial direction, make radial clearance between Moving plate and the quiet dish can remain on comparatively in the reasonable range, thereby reduce tangential leakage rate; Also be provided with Stamping Steel Ribbon between quiet dish and the Moving plate; Offer seal ring on contacted of upper end cap and the quiet dish.
Adopted the axial elasticity mechanism of brand-new design: when the compressor proper functioning, axial elasticity mechanism upwards floats, and makes that the axial clearance between the sound dish can remain in the small range; When a large amount of liquid flowed into compression chamber, axial elasticity mechanism moved downward, and has increased the axial clearance between the sound dish, played the effect that prevents that moving element from damaging, simultaneously, the cross slip ring moves back and forth in the internal cavities of axial elasticity mechanism, has reduced the height of complete machine.Be fed to the back of radial slider by the extreme pressure lubricant that will part be used for lubricated each slip surface, suitable centrifugal force is provided,, simplified the processing technology of main shaft to reduce the radial clearance between the sound dish.By Moving plate with and end plate on the eccentric motion of the circular groove offered, make lubricant oil intermittently the inflow air aspiration cavity and the rubbing surface of cross slip ring, control air-breathing oil content.
Description of drawings
Fig. 1 is the longitudinal sectional view of scroll compressor;
Fig. 2 A is the cross slip ring chute sectional view of axial elasticity mechanism;
Fig. 2 B is the fuel feeding path sectional view of axial elasticity mechanism;
Fig. 2 C is an axial elasticity mechanism perspective view;
Fig. 3 is an axial elasticity mechanism back pressure air feed path sectional view;
Fig. 4 is the partial sectional view of main shaft;
Fig. 5 is a radial compliance mechanism radial slider sectional view.
Schematic representation when Fig. 6 is the connection of air aspiration cavity fuel feeding path;
Schematic representation when Fig. 7 is the connection of cross slip ring chute fuel feeding path.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and working principle are described in further detail.
Referring to Fig. 1, as can be seen from the figure, this compressor can be divided into upper and lower two parts vertically, and 1 is lower end cap, and 17 is upper end cap, adopts bolt to connect between upper and lower end cap.Step 2 is installed in the lower end of main shaft 11, and offers oil return through-hole 2a, and ball bearing 20 is installed in the 2b of step hole.Stator 3 is pressed in the lower end cap 1 by hot-mounting process.Rotor 4 and main shaft 11 interference fit, and be installed in the middle part of main shaft 11.In order to realize dynamic (dynamical) balance, main equilibrium block 13 and secondary equilibrium block 15 are installed in the both sides that are positioned at rotor 4 on the main shaft by main equilibrium block respectively with key 14 and secondary equilibrium block with key 16.Offer main shaft fuel feeding path 11f in the inside of main shaft, the end of fuel feeding path 11a is connected with fuel feeding path 11f, and the other end is connected with the axial bore 11b that decompressor is installed.Radially fuel feeding path 11d and axial fuel feeding path 11e are connected, and the other end is connected with the mounting hole 11c that radial slider 21 is installed, and fuel feeding path 11e is connected with fuel feeding path 11f.Frame 5 is installed in the inner position by top of lower end cap, offers the inlet air pathway 5a that is connected with suction port 19 on the frame 5, offers way to cycle oil 5b, also offers path 5c and 5d to sliding bearing 22 fuel feeding.Adopt sliding bearing 22 between frame 5 and the main shaft 11.Axial elasticity mechanism 6 is installed in frame inside, offers fuel feeding path 6c, and offers circular groove 6b, offers the groove 6d of installation seal ring at two-part up and down of circular groove 6b, and can move vertically.The lower end surface of the end plate 9a of Moving plate 9 contacts with the upper-end surface of axial elasticity mechanism, and the lower end surface of the end plate 9a of Moving plate 9 offers circular groove 9d, and the upper opening of fuel feeding path 6c intermittently is communicated with circular groove 9d.Cross slip ring 10 is installed between axial elasticity mechanism 6 and the Moving plate 9, plays the effect of anti-arresting disc 9 rotations.Quiet dish 7 and frame 5 are connected by bolt, offer the radial passage 7a that is connected with suction port 19 on the quiet dish 7, offer with quiet dish and frame between form the axial bore 7b that cavity is connected, also offer way to cycle oil 7c under being tilted to and axial way to cycle oil 7d.The outlet pipe 17a that offers at the middle part of upper end cap 17 is equipped with oil separating device 18 in it, offer seal ring 17b on 7 contacted on upper end cap 17 and quiet dish, and its effect is to prevent that high pressure gas from leaking into suction side.Pressurized gas after the compression come out lubricating oil separation under the action of the centrifugal by oil separator, flow into the systemic circulation from outlet pipe 17a then.
Come the low pressure refrigerant of from evaporator drier to enter air aspiration cavity through the air suction way that constitutes by intakeport 19, path 5a, path 7a, along with the off-centre of Moving plate 9 rotatablely moves, refrigerant gas is compressed, after being compressed to the designing and arranging atmospheric pressure, 7e is drained into exhaust cavity by relief opening, after the branch oil effect through oil separator 18, discharge, flow in the refrigeration cycle along the relief opening that has radial hole 17a to form.
The lubricant oil fuel feeding path 11f along main shaft 11 inside under the effect of pressure reduction that accumulates in the compressor bottom upwards flows, part lubricant oil is introduced in the back that is installed in the radial slider 21 in the spindle eccentricity part by fuel feeding path 11e and 11d, another part lubricant oil enters into the decompressor that is installed in the spindle eccentricity part through fuel feeding path 11a, flow into frame 5 inside through the lubricant oil behind the decompression along the gap of 9 of capacity eccentric bearing 12 and Moving plates, one tunnel process path 5c and 5d are lubricated the bottom that turns back to compressor then to sliding bearing 22, another road is by the circular groove 9d on axial passageway 6c and the Moving plate end plate lower end surface, intermittently to inlet air pathway 7a and to the chute 6e of cross slip ring 10 fuel feeding intermittently, the lubricant oil that enters inlet air pathway 7a is along with the air-breathing air aspiration cavity that enters, in compression process, play sealing and lubricated effect, after compression process finishes, flow through oil separator 18 behind the gas mixture process relief opening 7e, the lubricant oil that is separated is through way to cycle oil 7c, 7d, and 5b, get back to the bottom of compressor along the gap between stator and rotor, finish the circulation of a lubricant oil.
Referring to Fig. 2 A, Fig. 2 B, Fig. 2 C, symmetry offers locating stud 6a in the lower end surface of axial elasticity mechanism 6, and this locating stud has also played the effect that prevents cross slip ring generation rotation.The area of the annular region that 6b is represented has formed the end thrust that promotes the Moving plate come-up with the product that is incorporated into the exhaust pressure of frame 5 and the 6 formed enclosed annular space 6b of axial elasticity mechanism.For to air aspiration cavity and cross slip ring supplying lubricating oil, symmetry has been offered axial hole 6c, in order to prevent that the exhaust that is incorporated in the formed enclosed annular space of frame and axial elasticity mechanism from leaking, be respectively arranged with seal groove 6d at the two ends up and down of annular region 6b.Offer the chute 6e of cross slip ring in axial elasticity mechanism 6, cross slip ring 10 carries out horizontal motion in the inside of axial elasticity mechanism 6, has reduced the height of complete machine.Also symmetry offers radial hole 6f in the bottom of cross chute 6e, makes to accumulate in the bottom that lubricant oil in the chute can flow back into compressor along the gap of 22 on frame 5 and sliding bearing.
Referring to Fig. 3, form the exhaust cavity of a sealing between upper end cap 17 and the quiet dish 7, and on upper end cap 17 and quiet dish 7 contacted end faces, offered annular seal groove 17b, its effect is to prevent to leak from the high pressure gas that relief opening 7e discharges.In quiet dish 7, offer quiet dish air vent 7f and quiet dish axial bore 7g under being tilted to, in frame 5, also offer frame axial bore 5e, and frame axial bore 5e and axial bore 7g are to being communicated with, and frame axial bore 5e is communicated with the 6 formed closed rings zone 6b of axial elasticity mechanism by a radial hole and frame 5.In order to prevent that the high pressure gas that is incorporated in this closed area from leaking, offer seal groove 6d respectively in the both sides up and down of the circular groove 6b of axial elasticity mechanism 6.
Referring to Fig. 4, the inside of main shaft by under part offer fuel feeding path 11f along axis, also offer hole 11b that decompressor is installed and the circular port 11c that radial slider 21 is installed, also have connecting pipeline 11a, 11d and 11e.The lubricant oil that accumulates in the compressor bottom upwards flows along fuel feeding path 11f under the effect of pressure reduction, one the tunnel supplies to the back of radial slider 21 successively by connecting pipeline 11e and connecting pipeline 11d, make radial slider 21 contact with capacity eccentric bearing 12 in radial direction, suitable centrifugal force is provided, make the radial clearance between Moving plate 9 and the quiet dish 7 remain in the reasonable range, thereby reduce tangential leakage rate; Another road is by connecting path 11a, pass through the decompression of decompressor then after, lubricated successively capacity eccentric bearing 12 and sliding bearing 22 flow back into the bottom of compressor at last.
Referring to Fig. 5, on radial slider 21, offer seal groove 21a, the oil leak that prevents high pressure is in the lower space of ambient pressure.
Referring to Fig. 6, Fig. 7 has only drawn 9 two parts of axial elasticity mechanism 6 and Moving plate among the figure.The figure of the side that keeps left among the figure represents along the plan view of spindle centerline direction, what on the right side figure represented to overlook direction along spindle centerline among the figure is the vertical view cutaway drawing of reference surface with Moving plate end plate lower surface, Moving plate position as shown in Figure 6 and Figure 7, its corner differ 180 °.
Among the figure: 6 expression axial elasticity mechanisms, 6c represents the axial fuel feeding through hole that symmetry is offered, 9a represents the end plate of Moving plate, 9b represents to have the scrollwork of round involute form, 9c is illustrated in the cross slip ring chute of offering Moving plate end plate lower end surface, and 9d is illustrated in the circular groove that Moving plate end plate lower end surface is offered.As shown in Figure 6, at this moment, on the top axial hole is in the position of standard-sized sheet among the fuel feeding through hole 6c, when compressor stable operation, behind the inner lubricant oil process decompression of decompressor that upwards flows of main shaft, flow into the bottom of axial elasticity mechanism 6, and flow among the suction line 7a by this axial hole 6c that opens and hole 7b.
As shown in Figure 7, at this moment, on the top hole is in the position of closing among the fuel feeding through hole 6c, when compressor stable operation, behind the inner lubricant oil process decompression of decompressor that upwards flows of main shaft, flow into the bottom of axial elasticity mechanism 6, when the circular groove 9d that offers on axial hole 6c and the Moving plate end plate is communicated with, flow among the chute 6e that is opened in the axial elasticity mechanism 6, at this moment, this fuel feeding path is supplying lubricating oil in suction line 7a no longer, can realize the function to the compression chamber interrupted oil supply by this method, can control and be injected to flow rate of lubricating oil in the compression chamber.
Axial elasticity of the present invention mechanism: in axial elasticity mechanism 6, offer circular groove 6b, on frame 5 and quiet dish 7, offer air feed path 7f, the 7g and the 5e that exhaust are incorporated in this circular groove respectively, the gas in the formed enclosed space 6b leaks between axial elasticity mechanism 6 and the frame 5 in order to prevent to be incorporated into, and offers seal groove 6d respectively in the both sides up and down of the 6 formed annular region 6b of axial elasticity mechanism;
To compression chamber interrupted oil supply control mechanism: symmetry offers through hole 6c in axial elasticity mechanism 6, offer circular groove 9d at the Moving plate end plate near on the end face of main shaft one side, on the end face of close Moving plate 9 one sides of quiet dish 7, offer the axial bore 7b that is connected with inlet air pathway 7a, on the bottom surface of formed chute 6e in the axial elasticity mechanism 6, be symmetrically formed radial hole 6f;
Radial compliance mechanism: in main shaft 11, offer the circular port 11c that is used to install radial slider 21, also offer oil path 11f, 11d, 11e, the end of path 11e of oiling is connected with 11f, the other end is connected with 11d, the end of path 11d of oiling is connected with 11c, the other end is connected with 11e
The above-mentioned area size that is opened in the annular region 6b in the axial elasticity mechanism 6 is as the criterion with the axial gas power in the compression chamber in can the equilibrium pressure compression process, makes that the axial clearance between dynamic and static dish remains in the reasonable range.
The above-mentioned position that is opened in the axial hole 6c in the axial elasticity mechanism 6, and the size of the circular groove 9d that offers on the Moving plate end plate lower end surface, can guaranteeing that an amount of lubricant oil enters in the air suction way 7a, and can guarantee normal lubricated being as the criterion of cross slip ring annular groove 6e.
The area size of above-mentioned radial slider 21 cylindrical body bottom surfaces circles is as the criterion with the tangential gas force in the compression chamber in can the equilibrium pressure compression process, makes that the radial clearance between dynamic and static dish remains in the reasonable range.
Method of the present invention mainly is at the scroll compressor that adopts high-pressure refrigerant, is specially adapted to adopt CO
2As the situation of refrigeration agent, also be applicable to that other has the occasion of big pressure reduction simultaneously.
Claims (5)
1. scroll compressor, comprise upper end cap (17) and lower end cap (1), and be arranged on step (2) in the lower end cap (1), step (2) is provided with main shaft (11), and step (2) offers oil return through-hole (2a), ball bearing (20) is installed in the step hole (2b), main shaft (11) is provided with rotor (4), stator (3) is pressed in the lower end cap (1) by hot-mounting process, in lower end cap (1), be positioned at the fixed-site organic frame (5) of rotor (3) upper end, in upper end cap (17), be provided with the quiet dish (7) that is connected with frame (5), it is characterized in that: along axial direction axial elasticity mechanism (6) is installed successively in the space that between frame (5) and quiet dish (7), forms, cross slip ring (10) and Moving plate (9), be provided with sliding bearing (22) between main shaft (11) and the frame (5), offer outlet pipe (17a) at the middle part of upper end cap (17), oil separating device (18) is installed in the outlet pipe (17a), offer the frame inlet air pathway (5a) that is connected with suction port (19) on the frame (5), frame way to cycle oil (5b), give the frame first fuel feeding path (5c) and the frame second fuel feeding path (5d) of sliding bearing (22) fuel feeding, offer the quiet disc radial path (7a) that is connected with suction port (19) on the quiet dish (7), the quiet dish axial bore (7b) that is connected with formation cavity between quiet dish (7) and frame (5), quiet dish first way to cycle oil (7c) that links to each other with frame way to cycle oil (5b) under being tilted to and axial quiet dish second way to cycle oil (7d), and the relief opening (7e) that is connected with oil separating device (18), the inside of main shaft (11) offers main shaft fuel feeding path (11f), the radial slider mounting hole (11c) and the decompressor mounting hole (11b) of radial slider (21) are installed, adopt capacity eccentric bearing (12) between Moving plate (9) and main shaft (11) eccentric part, on main shaft (11), be separately installed with main equilibrium block (14) and secondary equilibrium block (15); Offer circular groove (6b) in the said axial elasticity mechanism (6), on frame (5) and quiet dish (7), offer the quiet dish air feed path (7f), quiet dish axial bore (7g) and the frame axial bore (5e) that exhaust are incorporated in this circular groove (6b) respectively, the gas in the formed enclosed space (6b) leaks between axial elasticity mechanism (6) and the frame (5) in order to prevent to be incorporated into, and the upper and lower both sides of formed circular groove (6b) are offered seal groove (6d) respectively in axial elasticity mechanism (6).
2. scroll compressor as claimed in claim 1, it is characterized in that: offer the path that oils (11a) in the said main shaft (11), the end of path (11a) of oiling is connected with decompressor mounting hole (11b), the other end is connected with main shaft fuel feeding path (11f), go up symmetry in axial elasticity mechanism (6) and offer axial hole (6c), end plate (9a) in Moving plate (9) offers circular groove (9d) near on the end face of main shaft (11) one sides, on the end face of close Moving plate (9) one sides of quiet dish (7), offer the axial bore (7b) that is connected with inlet air pathway (7a), go up the radial hole (6f) that forms symmetry on the bottom surface of formed chute (6e) in axial elasticity mechanism (6).
3. scroll compressor as claimed in claim 1, it is characterized in that: the radial slider mounting hole (11c) that said main shaft (11) inside is offered is used to install radial slider (21) is a circular port, main shaft (11) inside also offers radially fuel feeding path (11d) and axially fuel feeding path (11e), axially an end of fuel feeding path (11e) is connected with main shaft fuel feeding path (11f), the other end is connected with an end of fuel feeding path (11d) radially, radially the other end of fuel feeding path (11d) is connected with radial slider mounting hole (11c), has the back side of the lubricant oil of exhaust pressure by introducing to radial slider (21), forming suitable centrifugal force in the radial direction, make radial clearance between Moving plate (9) and the quiet dish (7) can remain on comparatively in the reasonable range, thereby reduce tangential leakage rate.
4. scroll compressor as claimed in claim 1 is characterized in that: also be provided with Stamping Steel Ribbon (8) between said quiet dish (7) and the Moving plate (9).
5. scroll compressor as claimed in claim 1 is characterized in that: offer seal ring (17b) on contacted of said upper end cap (17) and the quiet dish (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101500023A CN101303018B (en) | 2008-06-06 | 2008-06-06 | Vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101500023A CN101303018B (en) | 2008-06-06 | 2008-06-06 | Vortex compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101303018A CN101303018A (en) | 2008-11-12 |
| CN101303018B true CN101303018B (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101500023A Expired - Fee Related CN101303018B (en) | 2008-06-06 | 2008-06-06 | Vortex compressor |
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| CN (1) | CN101303018B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011104879A1 (en) * | 2010-02-26 | 2011-09-01 | 株式会社 日立製作所 | Scroll compressor |
| CN102175396B (en) * | 2010-12-31 | 2012-08-15 | 西安交通大学 | Online automatic balance executing device for high-speed electro-spindle rotor |
| CN102650287B (en) * | 2011-02-24 | 2016-03-02 | 上海日立电器有限公司 | Scroll compressor has the radial compliance floating structure of unidirectional limit function |
| CN102072158A (en) * | 2011-03-08 | 2011-05-25 | 上海威乐汽车空调器有限公司 | High-efficiency vehicle air conditioner vortex compressor oil separating mechanism |
| CN103459850A (en) * | 2011-03-24 | 2013-12-18 | 三洋电机株式会社 | Scroll compressor |
| WO2013007163A1 (en) * | 2011-07-14 | 2013-01-17 | 艾默生环境优化技术(苏州)有限公司 | Rotary compressor |
| CN102878081B (en) * | 2011-07-14 | 2016-05-04 | 艾默生环境优化技术(苏州)有限公司 | Rotary compressor |
| CN103967784B (en) * | 2013-01-29 | 2019-03-22 | 艾默生环境优化技术(苏州)有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
| CN103967795A (en) * | 2013-02-05 | 2014-08-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body fixing device and compressor using same |
| CN105587662B (en) * | 2016-03-01 | 2017-08-25 | 广东美的暖通设备有限公司 | A kind of screw compressor |
| CN108223382A (en) * | 2018-03-22 | 2018-06-29 | 宁波汇峰聚威科技股份有限公司 | A kind of lubricating system of screw compressor |
| CN112930442B (en) | 2018-09-28 | 2024-02-09 | 谷轮有限合伙公司 | Compressor oil management system |
| WO2020148857A1 (en) * | 2019-01-17 | 2020-07-23 | 三菱電機株式会社 | Scroll compressor |
| US11125233B2 (en) | 2019-03-26 | 2021-09-21 | Emerson Climate Technologies, Inc. | Compressor having oil allocation member |
| CN110017281B (en) * | 2019-05-20 | 2020-11-03 | 湖南贝特新能源科技有限公司 | Oil return lubricating system of compressor |
| CN211144798U (en) * | 2019-10-24 | 2020-07-31 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor having a plurality of scroll members |
| WO2021114718A1 (en) * | 2019-12-13 | 2021-06-17 | 艾默生环境优化技术(苏州)有限公司 | Main bearing seat and scroll compressor |
| CN114183348B (en) * | 2021-12-17 | 2022-08-26 | 珠海格力电器股份有限公司 | Quiet dish subassembly reaches scroll compressor including it |
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| CN1447029A (en) * | 1998-11-20 | 2003-10-08 | 三菱电机株式会社 | Swirl compressor |
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| JP特开2005-282511A 2005.10.13 |
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| CN101303018A (en) | 2008-11-12 |
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