CN1880770A - Oil drainage reducing device of high-pressure type scroll compressor - Google Patents
Oil drainage reducing device of high-pressure type scroll compressor Download PDFInfo
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- CN1880770A CN1880770A CNA2005100137950A CN200510013795A CN1880770A CN 1880770 A CN1880770 A CN 1880770A CN A2005100137950 A CNA2005100137950 A CN A2005100137950A CN 200510013795 A CN200510013795 A CN 200510013795A CN 1880770 A CN1880770 A CN 1880770A
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Abstract
The invention relates to an oil discharge reducer of high-pressure vortex compressor, which comprises an oil separator mounted inside the frame; an air loop and a machine oil loop for separating the machine oil form the discharged air. The invention can easily machine oil from the coolant gas discharged from frame; avoid machine oil discharged from the refrigerating cycle system, to improve the reliability of compressor; improve the cooling effect of motor; improve the motor efficiency; avoid blocking the tube of compressor with machine oil; and improve the property of whole compressor.
Description
Technical field
The present invention relates to a kind of oil drainage reducing device (APPARATUS FORREDUCING OIL DISCHARGE OF HIGH PRESSURE SCROLL COMPRESSOR) of high-pressure type scroll compressor, particularly, at the enclosure divided gas flow and the machine oil of high-pressure type scroll compressor, prevent the oil drainage reducing device of the high-pressure type scroll compressor that machine oil flows out.
Background technique
In general, scroll compressor is a widely used high efficiency low noise compressor in the air conditioner field, in above-mentioned scroll compressor, two spools carry out relative rotary motion, and between each spool, form in pairs a plurality of pressing chambers, the pressing chamber of above-mentioned formation continues to move and smaller volume to central direction, discharges behind the compression refrigerant thereby suck also continuously.
Above-mentioned scroll compressor is filled suction gas according to the inside of shell and is still discharged gas, and is divided into low pressure type and high pressure type substantially.Wherein, as shown in Figure 1, above-mentioned high-pressure type scroll compressor includes following several sections: keep high pressure conditions, and be provided with the shell 1 of gas suction pipe SP and gas outlet pipe DP; Respectively be fixed on the main frame 2 and the sub-frame 3 of the both sides up and down of above-mentioned shell 1 inside; Be installed between above-mentioned main frame 2 and the sub-frame 3, and be used to produce the drive motor 4 of turning effort power; Be pressed into the center of the gyrator 4B that is arranged on above-mentioned drive motor 4, and connect above-mentioned main frame 2, transmit the live axle 5 of the turning effort power of above-mentioned drive motor 4; Be fixedly mounted on above-mentioned main frame 2 above, and directly in conjunction with the fixedly spool 6 of above-mentioned gas suction pipe SP; In order to be engaged in said fixing spool 6, and form a plurality of pressing chamber P, be arranged at above-mentioned main frame 2 above, and the spinning reel 7 that can be rotated; Be installed between above-mentioned spinning reel 7 and the main frame 2, and the Euclidean packing ring of rotation when being used to prevent above-mentioned spinning reel 7 rotations (Oldham ' s ring) 8.
Above-mentioned gas suction pipe SP is communicated with the suction port 6b side that is installed in said fixing spool 6 by above-mentioned shell 1, above-mentioned gas discharge tube DP is the center with above-mentioned main frame 2 then, be communicated in the inner space of the opposition side shell 1 of said fixing spool 6, and seal installation.
Above-mentioned main frame 2 is formed with the axis hole 2a that radial direction supports above-mentioned live axle 5 at middle body, and upper half part expansion of above-mentioned axis hole 2a is formed with axle sleeve receiving groove 2b, thereby makes the shaft sleeve part 7b of above-mentioned spinning reel 7 be rotated motion.The upper edge of above-mentioned main frame 2 partly has been recessed to form presses space groove 2c annular joining, above-mentioned joining presses the back side of space groove 2c and above-mentioned spinning reel 7 together to have set internal volume, and fills the cold media air with middle pressure side pressure in above-mentioned internal volume.
And, the outer circumferential face of above-mentioned main frame 2 will be close to the inner peripheral surface of above-mentioned shell, and carry out secure bond by welding manner, is that the center is communicated with the opposition side that is installed in said fixing spool 6 by above-mentioned gas discharge tube DP with main frame 2, for the discharge gas of discharging by said fixing spool 6 is directed among the above-mentioned gas discharge tube DP, will be formed with the gas communication groove 2d of suitable number along the outer circumferential face of above-mentioned main frame 2.
Above-mentioned drive motor 4 includes: the stator 4A that inserts the inner peripheral surface that is fixed on above-mentioned shell 1; Gyrator 4B in the rotatable combination in space that the inner side surface of the sub-4A of said fixing is separated by set.Wherein, the sub-4A of said fixing roughly is hex shape when plane projection, and is formed with on the outer circumferential face of the sub-4A of said fixing and together mobile several axle direction streams h that discharges gas of above-mentioned shell 1.
Above-mentioned live axle 5 is pressed among the gyrator 4B that is arranged on above-mentioned drive motor 4, each will support the both sides up and down of above-mentioned live axle 5 by above-mentioned main frame 2 and sub-frame 3, its inside is formed with machine oil stream 5a along the axle direction lengthening, suct the machine oil of above-mentioned shell 1, and each bearing surface is lubricated.
Said fixing spool 6 is formed with the gear teeth 6a of the involute shape that constitutes two a pair of pressing chamber P in the bottom surface of its light board, the side of above-mentioned light board is formed with the suction port 6b that is communicated in above-mentioned gas suction pipe SP, the upper central of above-mentioned light board partly is formed with exhaust port 6c, above-mentioned exhaust port 6c is communicated in the middle body of above-mentioned gear teeth 6a, and pressurized gas is discharged to the upside space of above-mentioned shell 1.In addition, the edge section of above-mentioned light board is formed with the gas stream groove 6d of the gas communication groove 2d that is connected in above-mentioned main frame 2.
Above-mentioned spinning reel 7 is formed with the gear teeth 7a of involute shape at it above the light board, the gear teeth 6a engagement of above-mentioned gear teeth 7a and said fixing spool 6, and together form two a pair of pressing chamber P.The bottom central part branch of above-mentioned light board is formed with shaft sleeve part 7b, and above-mentioned shaft sleeve part 7b is in conjunction with above-mentioned live axle 5, and receives the power that above-mentioned drive motor 4 transmits.Wherein, the shaft sleeve part 7b of above-mentioned spinning reel 7 is inserted among the axle sleeve receiving groove 2b of above-mentioned main frame 2, and rotatablely moves.
In the accompanying drawing there be unaccounted reference character: 3a is the axis hole of sub-frame; 9 is reverse stop valve.
Below the as above working procedure of the high-pressure type scroll compressor of the prior art of structure is described.
That is, when connecting power supply in the drive motor 4, live axle 5 will together be rotated with the gyrator 4B of above-mentioned drive motor 4, makes spinning reel 7 under the effect of Euclidean packing ring 8, will be rotated motion with the eccentric distance size on main frame 2.Meanwhile, the gear teeth 7a of above-mentioned spinning reel 7 will and fixedly form a pair of pressing chamber P between the gear teeth 6a of spool 6 continuously, the pressing chamber P of above-mentioned formation is under the continuous rotating motion of above-mentioned spinning reel 7, move to the central position, and volume is constantly reduced, discharge after cold media air compresses thereby suck.
In more detail, cold media air will be discharged to by the exhaust port 6c of said fixing spool 6 in the upper interior space of above-mentioned shell 1, and behind the gas communication groove 2d of gas stream groove 6d that passes through said fixing spool 6 and main frame 2, after the part cold media air will cool off above-mentioned drive motor 4 by the axle direction stream h of stator 4A, be discharged in the refrigerating circulation system, most of cold media air then by behind the gas communication groove 2d of above-mentioned main frame 2, will directly be discharged in the refrigerating circulation system by above-mentioned gas discharge tube DP.
On the contrary, when above-mentioned live axle 5 high speed rotating, machine oil is under action of centrifugal force, the machine oil stream 5a of above-mentioned live axle 5 will be drawn into, and suck to the upper end, the machine oil of above-mentioned suction will disperse in the upper end of above-mentioned live axle 5, and after by axle sleeve receiving groove 2b the axis hole 2a of above-mentioned main frame 2 being lubricated, be recovered to the bottom surface of above-mentioned shell 1.Simultaneously, the machine oil that contains in the discharge gas of discharging among the above-mentioned pressing chamber P will together flow with above-mentioned discharge gas, and separate in flow process, and be recovered to the bottom surface of above-mentioned shell 1.
But, in the high-pressure type scroll compressor of aforesaid prior art, the most of cold media air of gas communication groove 2d by above-mentioned main frame 2 is containing under the state of organic oil, to directly flow to above-mentioned gas discharge tube DP side discharges, the phenomenon that causes above-mentioned shell 1 inner machine oil deficiency, and make on the position that respectively rubs of press part and will produce wearing and tearing etc., thereby reduced the reliability of compressor to a great extent.And, the performance of the reduced overall thermomechanical components that adopts said apparatus is reduced, the while is cooling motor effectively, and reduces efficiency of motor thus.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the object of the present invention is to provide a kind of oil drainage reducing device of high-pressure type scroll compressor, the present invention is at the inside of shell divided gas flow and machine oil, discharge after making gas by motor, and machine oil is remained in the inside of above-mentioned shell.
To achieve these goals, the oil drainage reducing device of high-pressure type scroll compressor of the present invention is arranged in the high-pressure type scroll compressor with following structure: the shell that is filled with both quantitative machine oil; Be fixedly mounted on the framework of above-mentioned enclosure; Be supported on said frame, and transmit the live axle of drive motor driving force; Be engaged in the spinning reel that is rotated motion by live axle, move and form a pair of pressing chamber continuously, be formed with simultaneously to the guiding of above-mentioned pressing chamber and suck the suction port of refrigerant and the pressurized gas of pressing chamber is discharged to the exhaust port in enclosure space, be fixedly mounted on the fixedly spool on the said frame; Directly connection is installed in the suction oral-lateral of said fixing spool, and is used for refrigerant is directed to the gas suction pipe of pressing chamber; Be mounted on the inner space of above-mentioned shell, and be used to guide the gas outlet pipe of the discharge of pressurized gas in the shell, and it is characterized in that, comprising: oil separation member, be installed in the inside of above-mentioned shell, and divide for separated oil from discharge gas and to be provided with gas flow path and machine oil stream.
The oil drainage reducing device of the high-pressure type scroll compressor in according to the present invention, oil separation member is installed in inside at above-mentioned shell, with zigzag fashion circulation cold media air and machine oil, and separation above-mentioned gas and machine oil, can be from the cold media air that above-mentioned shell is discharged separated oil easily, and can prevent that machine oil is discharged in the refrigerating circulation system simultaneously, thereby improve the reliability of compressor.And the structure in according to the present invention can improve the cooling effect of motor, and improve efficiency of motor thus, can prevent also that simultaneously said engine oil from blocking the phenomenon of compressor assembly pipeline, thereby can improve the overall performance of compressor assembly.
Description of drawings
Fig. 1 is the sectional drawing of high-pressure type scroll compressor of the prior art;
Fig. 2 is the sectional drawing of high-pressure type scroll compressor one embodiment among the present invention;
Fig. 3 is " I-I " line sectional drawing among Fig. 2;
Fig. 4 is the unfolded drawing of the oil separation member among the present invention;
Fig. 5 is the part unfolded drawing of the oil separation member distortion example among the present invention.
The critical piece description of reference numerals
1: shell 2: main frame
2d: gas communication groove 4: drive motor
4A: stator 4B: gyrator
5: live axle 6: fixing spool
6d: gas stream groove 7: spinning reel
10: oil separation member 11: entire body
11a: shared inlet 11b: gas outlet
11c: machine oil outlet 12: vertical wall body
13: horizontal wall body 13a: machine oil through hole
H: axle direction stream
Embodiment
Embodiment with reference to the accompanying drawings is described in detail the oil drainage reducing device of the high-pressure type scroll compressor among the present invention.
Fig. 2 is the sectional drawing of high-pressure type scroll compressor one embodiment among the present invention; Fig. 3 is " I-I " line sectional drawing among Fig. 2; Fig. 4 is the unfolded drawing of the oil separation member among the present invention; Fig. 5 is the part unfolded drawing of the oil separation member distortion example among the present invention.
As shown in the figure, the high-pressure type scroll compressor among the present invention, it includes following several sections: be filled with both quantitative machine oil, and keep the shell 1 of high pressure conditions; Respectively be fixed on the main frame 2 and the sub-frame 3 of the both sides up and down of above-mentioned shell 1 inside; Be supported on above-mentioned main frame 2 and sub-frame 3, and be used to transmit the live axle 5 of the driving force of drive motor 4; Be fixedly mounted on above-mentioned main frame 2 above, and directly in conjunction with the fixedly spool 6 of above-mentioned gas suction pipe SP; With above-mentioned live axle 5 eccentric combinations, and be arranged on above-mentioned main frame 2 above, simultaneously, mesh with said fixing spool 6, be rotated by Euclidean packing ring 8, and form the spinning reel 7 of two a pair of pressing chamber P; Be fixedly mounted on the inner peripheral surface of above-mentioned shell 1, and be communicated in the gas communication groove 2d of aftermentioned main frame 2, the oil separation member 10 of separating cold media air and machine oil the discharge gas that can discharge from the exhaust port 6b of said fixing spool 6; Be communicated in the machine oil outlet 11c of above-mentioned oil separation member 10, be used for the engine oil flow of above-mentioned filtration is arrived the Lower Half of above-mentioned shell 1, and the machine oil guide plate 20 that reclaims.
Above-mentioned gas suction pipe SP is communicated with the suction port 6b side that is installed in said fixing spool 6 by shell 1, and above-mentioned gas discharge tube DP is the center with above-mentioned main frame 2 then, is communicated in the inner space of the Lower Half of above-mentioned shell 1, and seals installation.
Above-mentioned main frame 2 part in the central is formed with the axis hole 2a that radial direction supports above-mentioned live axle 5, and upper half part expansion of above-mentioned axis hole 2a is formed with axle sleeve receiving groove 2b, thereby makes the shaft sleeve part 7b of above-mentioned spinning reel 7 be rotated motion.The upper edge of above-mentioned main frame 2 partly has been recessed to form presses space groove 2c annular joining, above-mentioned joining presses the back side of space groove 2c and above-mentioned spinning reel 7 together to have set internal volume, and fills the cold media air with middle pressure side pressure in above-mentioned internal volume.
And, the outer circumferential face of above-mentioned main frame 2 will be close to the inner peripheral surface of above-mentioned shell, and carry out secure bond by welding manner, is that the center is communicated with the opposition side that is installed in said fixing spool 6 by above-mentioned gas discharge tube DP with main frame 2, for the discharge gas of discharging by said fixing spool 6 is directed among the above-mentioned gas discharge tube DP, will be formed with gas communication groove 2d along the outer circumferential face of above-mentioned main frame 2.
As shown in Figure 3 and Figure 4, oil separation member 10 includes: have entrance and exit and be provided with the inner space, thus the entire body 11 that above-mentioned entrance and exit is interconnected; Form a plurality of vertical wall body 12 of the gas flow path F1 of zigzag fashion up and down in the inner space of above-mentioned entire body 11; Form the horizontal wall body 13 of the machine oil stream F2 of rectilinear form in the lower end of above-mentioned entire body 11.
In above-mentioned entire body 11, be formed with shared inlet 11a for the inlet of shared above-mentioned gas stream F1 and machine oil stream F2, the shared inlet 11a of above-mentioned formation is incorporated into connection the outlet side of the gas communication groove 2d of above-mentioned main frame 2.And, with each independent gas outlet 11b and machine oil outlet 11c that forms as the outlet of above-mentioned gas stream F1 and machine oil stream F2.Wherein, above-mentioned gas outlet 11b is communicated in the inner space of above-mentioned shell 1, and said engine oil outlet 11c then is communicated in the inlet of said engine oil guide plate 20.
And, above-mentioned entire body 11 can utilize the inner peripheral surface of shell 1 to form the inner space, as shown in Figure 3, preferably utilizes outer circumferential face body and inner peripheral surface body to form the inner space, thereby be convenient to make above-mentioned oil separation member 10 separately, and be combined in easily on the inner peripheral surface of above-mentioned shell 1.
Be preferably formed as at least more than one machine oil through hole 13a on the horizontal wall body 13 between the above-mentioned vertical wall body 12, the machine oil that filters by above-mentioned vertical wall body 12 is pooled among the said engine oil stream F2.And above-mentioned vertical wall body 12 can be made by sheet material as shown in Figure 4, but according to specific circumstances, also can be made by reticulated work (mesh) as shown in Figure 5.
As mentioned above, the inlet of said engine oil guide plate 20 is incorporated into connection the machine oil outlet 11c of above-mentioned oil separation member 10, simultaneously, the outlet of said engine oil guide plate 20 then is incorporated into a side shaft direction stream h who is provided with on the outer circumferential face of above-mentioned drive motor 4, make when plane projection, two ends about opening are also roughly formed ' ㄈ ' section shape of the bending with front and bi-side.
Part same as the prior art in the accompanying drawing will have been given identical symbol.
In addition, in the accompanying drawing there be unaccounted symbol: 3a is the axis hole of sub-frame; 4B is a gyrator; 6a is the fixing gear teeth of spool; 7a is the gear teeth of spinning reel; 9 is reverse stop valve.
The oil drainage reducing device of the high-pressure type scroll compressor in the invention described above has following action effect.
That is, when connecting power supply in the drive motor 4, live axle 5 will together be rotated with the gyrator 4B of above-mentioned drive motor 4, makes spinning reel 7 be rotated motion with the eccentric distance size.Meanwhile, above-mentioned spinning reel 7 and fixedly move continuously between the spool 6 and form the pressing chamber P that volume constantly diminishes in pairs, discharge after cold media air compresses thereby suck.
Wherein, contain organic oil in the above-mentioned cold media air, and together discharge, the cold media air of above-mentioned discharge and machine oil will be by fixedly the gas stream groove 6d of spool 6 and the gas communication groove 2d of main frame 2 flow among the shared inlet 11a of oil separation member 10.Then, vertical wall body that above-mentioned cold media air and machine oil will be provided with in the inner space of above-mentioned oil separation member 10 12 moves with zigzag fashion, at this moment, heavier machine oil will separate from above-mentioned cold media air, and residue on the horizontal wall body 13 between the above-mentioned vertical wall body 12, have only remaining gas to circulate, and be discharged to the inside of above-mentioned shell 1 by above-mentioned gas outlet 11b along gas flow path F1.Simultaneously, after said engine oil will come together in machine oil stream F2 by the machine oil through hole 13a that digs in the above-mentioned horizontal wall body 13, will discharge by said engine oil outlet 11c again.The machine oil of above-mentioned discharge will flow to downside along the machine oil guide plate 20 of the inner peripheral surface setting of above-mentioned shell 1, and be recovered in the above-mentioned shell 1 by the axle direction stream h of above-mentioned drive motor 4, above-mentioned gas is then filled the inside of above-mentioned shell 1, and is discharged in the refrigerating circulation system by above-mentioned gas discharge tube DP.
Thus, can be from the cold media air of the exhaust port discharge by fixing spool separated oil, when making above-mentioned cold media air be discharged to refrigerating circulation system, most machine oil will residue in the inside of above-mentioned shell, thereby can prevent the problem of compressor inside owing to the reliability reduction of the not enough compressor that causes of machine oil, simultaneously, can cool off drive motor, thereby improve efficiency of motor by machine oil.And, can prevent that also machine oil is discharged in the above-mentioned refrigerating circulation system too much, thereby can improve the overall performance of the compressor assembly that adopts above-mentioned compressor.
Claims (9)
1, a kind of oil drainage reducing device of high-pressure type scroll compressor is arranged in the high-pressure type scroll compressor with following structure: the shell that is filled with both quantitative machine oil; Be fixedly mounted on the framework of above-mentioned enclosure; Be supported on said frame, and transmit the live axle of drive motor driving force; Be engaged in the spinning reel that is rotated motion by live axle and continuously move and form a pair of pressing chamber, be formed with simultaneously to the guiding of above-mentioned pressing chamber and suck the suction port of refrigerant and the pressurized gas of pressing chamber is discharged to the exhaust port in enclosure space, be fixedly mounted on the fixedly spool on the said frame; Directly connection is installed in the suction oral-lateral of said fixing spool, and is used for refrigerant is directed to the gas suction pipe of pressing chamber; Be mounted on the inner space of above-mentioned shell, and be used to guide the gas outlet pipe of the discharge of pressurized gas in the shell, it is characterized in that oil drainage reducing device comprises:
Oil separation member is installed in the inside of above-mentioned shell, and divides for separated oil from discharge gas and to be provided with gas flow path and machine oil stream.
2, the oil drainage reducing device of high-pressure type scroll compressor according to claim 1 is characterized in that, above-mentioned oil separation member comprises:
Have entrance and exit, and be provided with the inner space, thus the entire body that above-mentioned entrance and exit is interconnected;
Form a plurality of vertical wall body of the gas flow path of zigzag fashion up and down in the inner space of above-mentioned entire body;
Form the horizontal wall body of the machine oil stream of rectilinear form in the lower end of above-mentioned entire body.
3, the oil drainage reducing device of high-pressure type scroll compressor according to claim 2 is characterized in that:
In above-mentioned entire body, be formed with shared inlet for the inlet of shared above-mentioned gas stream and machine oil stream, simultaneously, with each independent gas outlet and machine oil outlet that forms as the outlet of above-mentioned gas stream and machine oil stream.
4, the oil drainage reducing device of high-pressure type scroll compressor according to claim 3 is characterized in that:
Above-mentioned entire body utilizes the inner peripheral surface of shell to form the inner space.
5, the oil drainage reducing device of high-pressure type scroll compressor according to claim 3 is characterized in that:
Above-mentioned entire body utilizes outer circumferential face body and inner peripheral surface body to form the inner space.
6, the oil drainage reducing device of high-pressure type scroll compressor according to claim 2 is characterized in that:
In the horizontal wall body between vertical wall body, for the machine oil that will filter is pooled to the machine oil stream and is formed with the machine oil through hole.
7, the oil drainage reducing device of high-pressure type scroll compressor according to claim 6 is characterized in that:
Above-mentioned vertical wall body is a sheet material.
8, the oil drainage reducing device of high-pressure type scroll compressor according to claim 6 is characterized in that:
Above-mentioned vertical wall body is a reticulated work.
9, the oil drainage reducing device of high-pressure type scroll compressor according to claim 3 is characterized in that:
For the machine oil that will filter is directed to the Lower Half of shell, the machine oil outlet port of oil separation member is communicated with the machine oil guide plate is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100137950A CN100532851C (en) | 2005-06-13 | 2005-06-13 | Oil drainage reducing device of high-pressure type scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100137950A CN100532851C (en) | 2005-06-13 | 2005-06-13 | Oil drainage reducing device of high-pressure type scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1880770A true CN1880770A (en) | 2006-12-20 |
| CN100532851C CN100532851C (en) | 2009-08-26 |
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ID=37519081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100137950A Expired - Fee Related CN100532851C (en) | 2005-06-13 | 2005-06-13 | Oil drainage reducing device of high-pressure type scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100532851C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155406A (en) * | 2010-12-15 | 2011-08-17 | 湖南华强电气有限公司 | Oil returning method and oil returning structure of scroll compressor |
| CN102330689A (en) * | 2010-07-12 | 2012-01-25 | 珠海格力电器股份有限公司 | Rotary compressor and oil baffle plate thereof |
| CN102367797A (en) * | 2011-04-29 | 2012-03-07 | 湖南华强电气有限公司 | Oil-returning structure for scroll compressor |
| CN102367795A (en) * | 2011-04-29 | 2012-03-07 | 湖南华强电气有限公司 | Oil-returning structure of scroll compressor |
| CN102575676A (en) * | 2009-10-14 | 2012-07-11 | 松下电器产业株式会社 | Compressor |
-
2005
- 2005-06-13 CN CNB2005100137950A patent/CN100532851C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575676A (en) * | 2009-10-14 | 2012-07-11 | 松下电器产业株式会社 | Compressor |
| US8801397B2 (en) | 2009-10-14 | 2014-08-12 | Panasonic Corporation | Compressor |
| CN102575676B (en) * | 2009-10-14 | 2015-04-22 | 松下电器产业株式会社 | Compressor |
| CN102330689A (en) * | 2010-07-12 | 2012-01-25 | 珠海格力电器股份有限公司 | Rotary compressor and oil baffle plate thereof |
| CN102155406A (en) * | 2010-12-15 | 2011-08-17 | 湖南华强电气有限公司 | Oil returning method and oil returning structure of scroll compressor |
| CN102367797A (en) * | 2011-04-29 | 2012-03-07 | 湖南华强电气有限公司 | Oil-returning structure for scroll compressor |
| CN102367795A (en) * | 2011-04-29 | 2012-03-07 | 湖南华强电气有限公司 | Oil-returning structure of scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100532851C (en) | 2009-08-26 |
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