CN105822552A - Air conditioner and rotary compressor - Google Patents
Air conditioner and rotary compressor Download PDFInfo
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- CN105822552A CN105822552A CN201510008217.1A CN201510008217A CN105822552A CN 105822552 A CN105822552 A CN 105822552A CN 201510008217 A CN201510008217 A CN 201510008217A CN 105822552 A CN105822552 A CN 105822552A
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Abstract
The invention discloses an air conditioner and a rotary compressor thereof, wherein the rotary compressor comprises a motor and a pump body; a crankshaft is positioned in a rotor of the motor and is fixedly connected with the rotor; an oil passage is formed in the crankshaft; the oil inlet of the oil passage is positioned at the upper end of the crankshaft and the oil outlet is positioned below the oil inlet; the rotary compressor further comprises a gear pump, a top base and a partition; the gear pump is arranged on the upper side of the motor and is provided with an inner rotor and an outer rotor; the inner rotor is fixedly connected with the upper end of the crankshaft; the outer rotor is arranged on the outer side of the inner rotor in a sleeving manner; an oil drainage cavity of the gear pump is communicated with the oil inlet of the oil passage; the top base is arranged on the upper side of the motor; an accommodating tank is formed in the lower end of the top base and the gear pump is positioned in the accommodating tank; an oil inlet is formed in the upper end of the top base; the oil inlet of the top base is communicated with an oil suction cavity of the gear pump; the partition is fixedly connected with the lower end of the top base; the partition blocks the opening of the accommodating tank; the crankshaft is fixedly connected with the inner rotor by penetrating through the partition. The rotary compressor can effectively solve the problem that the oil return amount of a conventional rotary compressor is small.
Description
Technical field
The present invention relates to air-conditioning manufacturing technology field, more particularly, it relates to a kind of air-conditioner and rotary compressor thereof.
Background technology
Rotary compressor is piston to be directly rotated rotated the compression to gaseous refrigerant, and it is more suitable for packaged air-conditioner, the particularly application on domestic air conditioner.Rotary compressor includes motor and the pump housing, and motor is positioned at the upside of the pump housing, the bent axle of its middle pump body and its rotor interference fit, and bent axle drives other parts of the pump housing to rotate the compression realizing gas.
In order to reduce friction, need to add refrigeration oil in rotary compressor, rotary compression motor spindle mainly concentrated by refrigeration oil.When rotary compressor operates, refrigeration oil is fed into each matching pair of the pump housing, thus prevents the abrasion of Pump Body Parts, and the refrigeration oil of compressor mixes with cold-producing medium, entering the lower space of motor and then move to the upper space of motor, a part is finally discharged into cooling cycle system from exhaustor.Owing to little and the motor lower portion space when high-frequency work the air pressure of the drainback passage area of rotary compressor of the prior art is bigger, the refrigeration oil accumulating in motor upper space is caused to be back to the amount of the pump housing less, i.e. recirculating oil quantity is less, and it is bigger to be expelled to the freezing oil mass of cooling cycle system from rotary compressor, the frictional force of the less parts making compressor of freezing oil mass being so back to the pump housing increases, wear and tear more serious, easily cause the damage of rotary compressor, if the oil mass of air conditioning system is bigger, i.e. compressor oil drainage amount is bigger, then the performance of Heat Exchanger in Refrigeration System is relatively low, reduce heat pump performance.
In sum, how to efficiently solve the problem that the recirculating oil quantity of rotary compressor is less, be current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first purpose of the present invention is to provide a kind of rotary compressor, the structure design of this rotary compressor can efficiently solve the problem that the recirculating oil quantity of rotary compressor is less, and second object of the present invention is to provide a kind of air-conditioner including above-mentioned rotary compressor.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme:
A kind of rotary compressor, including motor and be positioned at the pump housing on the downside of motor, the bent axle of the pump housing is positioned at the internal rotor of motor and is secured to connect, oil passage is offered inside described bent axle, and the oiler of described oil passage is positioned at its oil-out of upper end of bent axle and is positioned at the lower section of its oiler, also include:
Being arranged at the gear pump with internal rotor and outer rotor on the upside of described motor, described internal rotor is fixing with the upper end of bent axle to be connected, and described outer rotor is set in outside described internal rotor, and the oil-discharging cavity of described gear pump connects with the oiler of described oil passage；
Being fixed on the footstock on the upside of motor, the lower end of described footstock offers holding tank and described gear pump is positioned in described holding tank, and the upper end of described footstock offers oil-in, and the oil-in of described footstock connects with the oil sucting cavity of described gear pump；
Fix the dividing plate being connected with the lower end of described footstock, described dividing plate blocks the notch of described holding tank, and described bent axle is connected through described dividing plate and described internal rotor are fixing.
Preferably, in above-mentioned rotary compressor, the edge of described footstock is fixing with the outer casing inner wall of this rotary compressor to be connected.
Preferably, in above-mentioned rotary compressor, described footstock is further opened with multiple through hollow hole, described hollow hole be shaped as arc.
Preferably, in above-mentioned rotary compressor, being further opened with the flowing lumen connected with the oiler of described oil passage inside described footstock, the refrigeration oil in described gear pump can be squeezed in described flowing lumen.
Preferably, in above-mentioned rotary compressor, the oil-out of described oil passage connects with the lower space of described motor and is positioned at the top of described pump housing upper flange.
Preferably, in above-mentioned rotary compressor, the downside of the rotor of described motor offers groove, described oil passage includes vertical section and horizontal segment, and its vertical section is along the axis setting of bent axle, its horizontal segment along be perpendicular to crankshaft center line direction arrange, described oil passage the end that oil-out is described horizontal segment be positioned at groove and be positioned at described bent axle sidewall on.
Preferably, in above-mentioned rotary compressor, described bent axle and the rotor interference fit of described motor.
Preferably, in above-mentioned rotary compressor, described dividing plate and the cell wall interference fit of holding tank.
Preferably, in above-mentioned rotary compressor, the upper end sidewall of described bent axle is provided with on the inwall of the first plane and described internal rotor and is provided with and the second plane of the first plane laminating.
A kind of air-conditioner, including the rotary compressor as according to any one of above-mentioned.
The rotary compressor that the present invention provides includes motor, the pump housing, gear pump, footstock and dividing plate.Wherein motor is positioned at the upside of the pump housing, and the bent axle of the pump housing is positioned at that the inside of rotor and bent axle are fixing with rotor to be connected, can drive crank rotation, and then other parts rotation of the bent axle drive pump housing realizes the compression of gas when rotating with this rotor.The inside of bent axle offers oil passage, and the two ends of oil passage are oiler and oil-out, and the oiler of oil passage is positioned at the upper end of bent axle, and the oil-out of oil passage is positioned at the lower section of its oiler.Gear pump is arranged at the upside of motor, and gear pump has internal rotor and outer rotor, and internal rotor is fixing with the upper end of bent axle to be connected, and outer rotor is set in outside internal rotor, and internal rotor drives outer rotor to rotate and realizes oil suction and oil extraction.Wherein the oil-discharging cavity of gear pump connects with the oiler of oil passage, and the refrigeration oil i.e. discharged from gear pump can be circulated to oil passage.Footstock is positioned on the upside of motor, and the lower end of footstock offers holding tank, and gear pump is arranged in holding tank, and the outer rotor of gear pump realizes oil suction or oil extraction along with internal rotor rotates, and internal rotor is fixing with bent axle to be connected.Further, the upper end of footstock offers oil-in, and the oil-in of footstock connects with the oil sucting cavity of gear pump, and the refrigeration oil above such footstock can enter in the oil-in of footstock and then be inhaled in gear pump.Dividing plate is fixing with the lower end of footstock to be connected, and dividing plate can block the notch of holding tank, and bent axle is fixed together through dividing plate with internal rotor.
Owing to the rotary compressor that the present invention provides adding on the upside of motor footstock and the dividing plate that the gear pump that the upper end with bent axle is connected is connected with gear pump.Therefore its properly functioning time, the rotor banding dynamic crankshaft of motor rotates, and then the internal rotor of bent axle driven gear pump rotates, the oil sucting cavity volume of internal rotor rotation process middle gear pump is gradually increased formation parital vacuum, air pressure in oil sucting cavity is relatively low and it connects with the oil-in of footstock, therefore on the upside of footstock i.e. on the upside of motor the refrigeration oil of accumulation be inhaled in the oil sucting cavity of gear pump due to the effect of air pressure, and then internal rotor is rotated further refrigeration oil and is taken to oil-discharging cavity, the volume of oil-discharging cavity is gradually reduced its internal refrigeration oil extrusion, owing to the oiler of oil-discharging cavity with the oily passage of bent axle connects, therefore internal rotor rotates and is drained into by the refrigeration oil in oil-discharging cavity in oil passage, internal rotor persistently rotates and realizes continuous oil suction oil extraction.Refrigeration oil can circulate downwards along it after entering in the oily passage of bent axle, realizes more refrigeration oil with this and is back to motor lower portion space and is back to rotary compression motor spindle.From the foregoing, it will be observed that the present invention provide rotary compressor add make refrigeration oil be back to the refrigeration oil on the upside of the passage on the downside of motor, i.e. motor can be inhaled into footstock oil-in enter gear pump, and then flow to oil passage in and along oil passage backflow.So, by gear pump and the oily passage being arranged on bent axle, the refrigeration oil on motor top is drawn back oil sump bottom compressor, motor speed is the fastest, oil return effect becomes apparent from, and considerably increases the refrigeration oil being back in the pump housing, substantially reduces the frictional force of pump parts, reduce the abrasion of this rotary compressor, it is ensured that compressor lubrication reliability.
In order to reach above-mentioned second purpose, present invention also offers a kind of air-conditioner, this air-conditioner includes any of the above-described kind of rotary compressor.Owing to above-mentioned rotary compressor has above-mentioned technique effect, the air-conditioner with this rotary compressor also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The sectional view of the rotary compressor that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the partial enlarged drawing of a-quadrant in Fig. 1；
Motor that Fig. 3 provides for the embodiment of the present invention and the sectional view of upside thereof；
The explosive view of gear pump, footstock and dividing plate that Fig. 4 provides for the embodiment of the present invention；
The sectional view of the footstock that Fig. 5 embodiment of the present invention provides.
In accompanying drawing, labelling is as follows:
1-bent axle, 11-oil passage, 2-dividing plate, 3-footstock, 31-flowing lumen, 32-footstock oil-in, 33-hollow hole, 34-holding tank, 4-shell, 5-motor, 51-rotor, 511-groove, the 6-pump housing, 7-refrigeration oil, 8-gear pump, 81-internal rotor, 82-outer rotor.
Detailed description of the invention
First purpose of the present invention is to provide a kind of rotary compressor, the structure design of this rotary compressor can efficiently solve the problem that the recirculating oil quantity of rotary compressor is less, and second object of the present invention is to provide a kind of air-conditioner including above-mentioned rotary compressor.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1-Fig. 5, the rotary compressor that the embodiment of the present invention provides includes motor 5, the pump housing 6, gear pump 8, footstock 3 and dividing plate 2.Wherein motor 5 is positioned at the upside of the pump housing 6, the bent axle 1 of the pump housing is positioned at that the inside of motor 5 rotor 51 and bent axle 1 are fixing with motor 5 rotor 51 to be connected, can rotate by band dynamic crankshaft 1 when rotating with this motor 5 rotor 51, and then bent axle 1 drives other parts of the pump housing 6 to rotate the compression realizing gas.
The inside of bent axle 1 offers oil passage 11, and the two ends of oil passage 11 are oiler and oil-out, and the oiler of oil passage 11 is positioned at the upper end of bent axle 1, and the oil-out of oil passage 11 is positioned at the lower section of its oiler.Gear pump 8 is arranged at the upside of motor 5, and gear pump 8 has internal rotor 81 and outer rotor 82, and internal rotor 81 is fixing with the upper end of bent axle 1 to be connected, and outer rotor 82 is set in outside internal rotor 81, and internal rotor 81 drives outer rotor 82 to rotate and realizes oil suction and oil extraction.Wherein the oil-discharging cavity of gear pump 8 connects with the oiler of oil passage 11, and the refrigeration oil 7 i.e. discharged from gear pump 8 can be circulated to oil passage 11.
Footstock 3 is positioned on the upside of motor 5, and the lower end of footstock 3 offers holding tank 34, and gear pump 8 is arranged in holding tank 34, and the outer rotor 82 of gear pump 8 realizes oil suction or oil extraction along with internal rotor 81 rotates, and internal rotor 81 is fixing with bent axle 1 to be connected.Further, the upper end of footstock 3 offers oil-in 32, and the oil-in 32 of footstock 3 connects with the oil sucting cavity of gear pump 8, and the refrigeration oil 7 above such footstock 3 can enter in the oil-in 32 of footstock 3 and then be inhaled in gear pump 8.Dividing plate 2 is fixing with the lower end of footstock 3 to be connected, and dividing plate 2 can block the notch of holding tank 34, and gear pump 8 is positioned on the upside of dividing plate 2, and bent axle 1 is fixed together through dividing plate 2 with internal rotor 81.
Owing to the rotary compressor that the embodiment of the present invention provides adding on the upside of motor 5 footstock 3 and the dividing plate 2 that the gear pump 8 that the upper end with bent axle 1 is connected is connected with gear pump 8.Therefore its properly functioning time, the rotor 51 band dynamic crankshaft 1 of motor 5 rotates, and then the internal rotor 81 of bent axle 1 driven gear pump 8 rotates, the oil sucting cavity volume of internal rotor 81 rotation process middle gear pump 8 is gradually increased formation parital vacuum, air pressure in oil sucting cavity is relatively low and it connects with the oil-in 32 of footstock 3, therefore on the upside of footstock 3 i.e. on the upside of motor 5 refrigeration oil 7 of accumulation be inhaled in the oil sucting cavity of gear pump 8 due to the effect of air pressure, and then internal rotor 81 is rotated further refrigeration oil 7 and is taken to oil-discharging cavity, the refrigeration oil 7 that the volume of oil-discharging cavity is gradually reduced it is internal is extruded, owing to the oiler of oil-discharging cavity with the oily passage 11 of bent axle 1 connects, therefore internal rotor 81 rotates and is drained into by the refrigeration oil 7 in oil-discharging cavity in oil passage 11, internal rotor 81 persistently rotates and realizes continuous oil suction oil extraction.Refrigeration oil 7 can circulate downwards along it after entering in the oily passage 11 of bent axle 1, realizes more refrigeration oil 7 with this and is back to motor 5 lower space and is back to rotary compression motor spindle.
As from the foregoing, the rotary compressor that the present invention provides adds the passage making refrigeration oil 7 be back on the downside of motor 5, i.e. refrigeration oil 7 on the upside of motor 5 can be inhaled into the oil-in 32 of footstock 3 and enter gear pump 8, and then flow to reflux in oil passage 11 and along oil passage 11.So, by gear pump 8 and the oily passage 11 being arranged on bent axle, the refrigeration oil on motor top is drawn back oil sump bottom compressor, motor speed is the fastest, oil return effect becomes apparent from, substantially reduce the frictional force of the pump housing 6 parts, reduce the abrasion of this rotary compressor, it is ensured that compressor lubrication reliability.
It should be noted that the oil-in of footstock 3 should be the lowest, to ensure that more refrigeration oil can flow in the oil-in of footstock and then enter in gear pump 8.In order to make the footstock 3 stator the most not with motor interfere, the downside diameter of footstock 3 should be not more than the external diameter of rotor.
Wherein, holding tank 34 can be step trough, and a part for dividing plate 2 is connected with cell wall, and another part is positioned on the downside of gear pump 8, realizes dividing plate 2 with this and is closed downside of oil sucting cavity and oil-discharging cavity.
Preferably, the edge of footstock 3 can fixing with shell 4 inwall of this rotary compressor be connected, realizing the fixing of footstock 3, the most only need the center of footstock 3 to be connected with gear pump 8 and dividing plate 2, the edge of footstock 3 can weld with shell 4, clamping or bolt are connected.Footstock 3 is the most circular, in order to be connected with the inwall of shell 4.Being connected with gear pump 8 and dividing plate 2 for the ease of footstock 3, the center, downside of footstock 3 can arrange downwardly convex boss, so offers holding tank 34 on boss.Footstock 3 can be metal material.Certainly, footstock 3 can also be fixed on shell 4 inside of rotary compressor by support, in this no limit.
Further, multiple through hollow hole 33 can also be offered on footstock 3, so accumulate in refrigeration oil 7 on the upside of footstock 3 and flow to inside motor 5 not only by oil passage 11 hollow hole 33 that may also pass through on footstock 3 that circulate downwards, and then by, in motor 5 internal reflux to the pump housing 6, further increasing the amount of the refrigeration oil 7 being back in the pump housing 6.Wherein, the shape of hollow hole 33 can be arc.Specifically, can arrange the two-layer hollow hole 33 of the radial direction along footstock 3, two-layer hollow hole 33 is arranged concentrically, every layer of hollow hole 33 including four arcs.Certainly, the shape of hollow hole 33 can also be circular, square etc., in this no limit.
Flowing to smoothly in oil passage 11 for the ease of the refrigeration oil 7 in oil-discharging cavity in gear pump 8, the inside of footstock 3 can also offer the flowing lumen 31 that the oiler with oil passage 11 connects, and the refrigeration oil 7 in gear pump 8 can be squeezed in flowing lumen 31.I.e. flowing lumen 31 connects with the oil oiler of passage 11 and the oil-discharging cavity of gear pump 8 simultaneously, and the oil in oil-discharging cavity is squeezed in flowing lumen 31 and then flows in oil inlet passage 11.So that partial freeze oil 7 accumulates in flowing lumen 31, to ensure in the stream oil inlet passage 11 that refrigeration oil 7 can continue.Flowing lumen 31 can certainly be not provided with, directly the oiler of oil passage 11 is connected with oil-discharging cavity.
In order to optimize technique scheme further, wherein the oil-out of oil passage 11 can connect with the lower space of motor 5, and the oil-out of oil passage 11 is positioned at the top of the pump housing 6 upper flange.The refrigeration oil 7 so flowed out from oil passage 11 can return oil sump bottom compressor, it is ensured that compressor lubrication reliability.
Further, groove 511 can be offered in the downside of the rotor 51 of motor 5, oil passage 11 includes vertical section and horizontal segment, and its vertical section is along the axis setting of bent axle 1, its horizontal segment is arranged along the direction being perpendicular to bent axle 1 axis, the end that oil-out is horizontal segment of oil passage 11, and the oil-out of oil passage 11 is positioned at groove 511, and is opened on the sidewall of bent axle 1.The refrigeration oil 7 that it is internal can be thrown away and gets rid of to groove 511 when so bent axle 1 rotates, and then along the cell wall slide downward of groove 511.Certainly, the oil-out of oil passage 11 can also directly be opened on the sidewall of the bent axle 1 on the downside of motor 5.
The rotor 51 of bent axle 1 and motor 5 can be with interference fit, it is also possible to clamping or bolt connect, in this no limit.
Similarly, between the cell wall of dividing plate 2 and holding tank 34 can also interference fit, or mutually clamping, welding etc..
The first plane can be provided with on the sidewall of bent axle 1 upper end, be provided with on the inwall of internal rotor 81 and the second plane of the first plane laminating simultaneously.So, the first plane and the second plane laminating, when bent axle 1 rotates, the first plane rotates around the axis of bent axle 1, and the first plane drives the second Plane Rotation, realizes the axis rotation around bent axle 1 of second plane, bent axle 1 and internal rotor 81 common rotation with this.Certainly, between bent axle 1 and internal rotor 81 can also interference fit or welding, in this no limit.
Based on the rotary compressor provided in above-described embodiment, present invention also offers a kind of air-conditioner, this air-conditioner includes any one rotary compressor in above-described embodiment.The rotary compressor in above-described embodiment is have employed, so the beneficial effect of this air-conditioner refer to above-described embodiment due to this air-conditioner.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, and between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.Multiple amendment to these embodiments will be apparent from for those skilled in the art, and generic principles defined herein can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a rotary compressor, including motor (5) and be positioned at motor (5) downside the pump housing (6), the bent axle (1) of the pump housing (6) is positioned at the internal rotor of motor (5) and is secured to connect, it is characterized in that, described bent axle (1) is internal offers oil passage (11), and the oiler of described oil passage (11) is positioned at its oil-out of upper end of bent axle (1) and is positioned at the lower section of its oiler, also include:
It is arranged at the gear pump (8) with internal rotor (81) and outer rotor (82) of described motor (5) upside, described internal rotor (81) is fixing with the upper end of bent axle (1) to be connected, described outer rotor (82) is set in described internal rotor (81) outside, and the oil-discharging cavity of described gear pump (8) connects with the oiler of described oil passage (11)；
It is fixed on the footstock (3) of motor (5) upside, the lower end of described footstock (3) offers holding tank (34) and described gear pump (8) is positioned in described holding tank (34), the upper end of described footstock (3) offers oil-in, and the oil-in (32) of described footstock (3) connects with the oil sucting cavity of described gear pump (8)；
The dividing plate (2) being connected is fixed with the lower end of described footstock (3), described dividing plate (2) blocks the notch of described holding tank (34), and described bent axle (1) is connected through described dividing plate (2) and described internal rotor (81) are fixing.
Rotary compressor the most according to claim 1, it is characterised in that the edge of described footstock (3) is fixing with shell (4) inwall of this rotary compressor to be connected.
Rotary compressor the most according to claim 2, it is characterised in that be further opened with multiple through hollow hole (33) on described footstock (3), described hollow hole (33) be shaped as arc.
Rotary compressor the most according to claim 1, it is characterized in that, the internal flowing lumen (31) being further opened with connecting with the oiler of described oil passage (11) of described footstock (3), the refrigeration oil in described gear pump (8) can be squeezed in described flowing lumen (31).
5. according to the rotary compressor according to any one of claim 1-4, it is characterized in that, the oil-out of described oil passage (11) connects with the lower space of described motor (5) and is positioned at the top of the described pump housing (6) upper flange.
Rotary compressor the most according to claim 5, it is characterized in that, the downside of the rotor of described motor (5) offers groove (511), described oil passage (11) includes vertical section and horizontal segment, and its vertical section is along the axis setting of bent axle (1), its horizontal segment is arranged along the direction being perpendicular to bent axle (1) axis, and the end that oil-out is described horizontal segment of described oil passage (11) is positioned at groove (511) and is positioned on the sidewall of described bent axle (1).
7. according to the rotary compressor according to any one of claim 1-4, it is characterised in that described bent axle (1) and rotor (51) interference fit of described motor (5).
Rotary compressor the most according to claim 7, it is characterised in that described dividing plate (2) and the cell wall interference fit of holding tank (34).
Rotary compressor the most according to claim 7, it is characterised in that be provided with on the upper end sidewall of described bent axle (1) on the inwall of the first plane and described internal rotor (81) and be provided with and the second plane of the first plane laminating.
10. an air-conditioner, it is characterised in that include rotary compressor as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008217.1A CN105822552B (en) | 2015-01-06 | 2015-01-06 | Air conditioner and its rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008217.1A CN105822552B (en) | 2015-01-06 | 2015-01-06 | Air conditioner and its rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822552A true CN105822552A (en) | 2016-08-03 |
| CN105822552B CN105822552B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510008217.1A Active CN105822552B (en) | 2015-01-06 | 2015-01-06 | Air conditioner and its rotary compressor |
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| Country | Link |
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| CN (1) | CN105822552B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943615A (en) * | 2021-02-18 | 2021-06-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft and compressor |
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| JPH1150978A (en) * | 1997-07-31 | 1999-02-23 | Hitachi Ltd | Displacement fluid machine and air conditioner |
| CN201953660U (en) * | 2011-02-16 | 2011-08-31 | 广东美芝制冷设备有限公司 | Oil effluence decreasing device for compressor |
| US20120171067A1 (en) * | 2010-12-29 | 2012-07-05 | Kangwook Lee | Hermetic compressor and manufacturing method thereof |
| CN203823409U (en) * | 2014-04-04 | 2014-09-10 | 张云娣 | Compact oil pump for frequency convertible scroll compressor |
| CN204419571U (en) * | 2015-01-06 | 2015-06-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioner and rotary compressor thereof |
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2015
- 2015-01-06 CN CN201510008217.1A patent/CN105822552B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS62247188A (en) * | 1986-04-21 | 1987-10-28 | Hitachi Ltd | Rotary compressor |
| JPH1150978A (en) * | 1997-07-31 | 1999-02-23 | Hitachi Ltd | Displacement fluid machine and air conditioner |
| US20120171067A1 (en) * | 2010-12-29 | 2012-07-05 | Kangwook Lee | Hermetic compressor and manufacturing method thereof |
| CN201953660U (en) * | 2011-02-16 | 2011-08-31 | 广东美芝制冷设备有限公司 | Oil effluence decreasing device for compressor |
| CN203823409U (en) * | 2014-04-04 | 2014-09-10 | 张云娣 | Compact oil pump for frequency convertible scroll compressor |
| CN204419571U (en) * | 2015-01-06 | 2015-06-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioner and rotary compressor thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943615A (en) * | 2021-02-18 | 2021-06-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft and compressor |
| CN112943615B (en) * | 2021-02-18 | 2022-05-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105822552B (en) | 2018-04-20 |
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