CN103835948B - Compressor pump and compressor - Google Patents
Compressor pump and compressor Download PDFInfo
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- CN103835948B CN103835948B CN201210480883.1A CN201210480883A CN103835948B CN 103835948 B CN103835948 B CN 103835948B CN 201210480883 A CN201210480883 A CN 201210480883A CN 103835948 B CN103835948 B CN 103835948B
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Abstract
The invention provides a kind of compressor pump and compressor, wherein, compressor pump includes cylinder, rotating shaft and be connected to the first flange and second flange at cylinder two ends, cylinder interior has the Moving plate of relative cylinder eccentric setting, cylinder, first flange, the first chamber is formed between second flange and Moving plate, the cervical region of the second flange is arranged on the inside of Moving plate, make to be formed between Moving plate and the second flange the second chamber, wherein, first chamber includes the first suction muffler and first compression chamber of mutually isolated setting, cylinder is provided with the first air entry making the first suction muffler be in communication with the outside；Second chamber includes the second suction muffler and second compression chamber of mutually isolated setting, and Moving plate is communicated with the second air entry of the first suction muffler and the second suction muffler；Rotating shaft runs through cylinder, Moving plate and the first flange and is connected with the second flange, and the eccentric part of rotating shaft is set on described Moving plate.The compressor pump of the present invention can put forward the space availability ratio of cylinder effectively.
Description
Technical field
The present invention relates to compression technique area, in particular to a kind of compressor pump and compressor.
Background technology
In the prior art, single cylinder compressor with rolling rotor is widely used in domestic and business air conditioner, refrigerating plant, in order to widen the range of this compressor, have developed double-cylinder rolling rotor compressor in recent years.Although above-mentioned double-cylinder rolling rotor compressor increases discharge capacity, but the height of compressor increases the most accordingly, the complexity that the assembling of compressor the most correspondingly becomes, and the space availability ratio of the cylinder of duplex cylinder compressor is identical with the space availability ratio of the cylinder of single cylinder compressor.
Summary of the invention
It is desirable to provide the compressor pump of a kind of space availability ratio improving compressor and compressor.
To achieve these goals, the present invention is according to one aspect, provide a kind of compressor pump, including cylinder, rotating shaft and be connected to the first flange and second flange at cylinder two ends, cylinder interior has the Moving plate of relative cylinder eccentric setting, cylinder, first flange, the first chamber is formed between second flange and Moving plate, the cervical region of the second flange is arranged on the inside of Moving plate, make to be formed between Moving plate and the second flange the second chamber, wherein, first chamber includes the first suction muffler and first compression chamber of mutually isolated setting, cylinder is provided with the first air entry making the first suction muffler be in communication with the outside；Second chamber includes the second suction muffler and second compression chamber of mutually isolated setting, and Moving plate is communicated with the second air entry of the first suction muffler and the second suction muffler；Rotating shaft runs through cylinder, Moving plate and the first flange and is connected with the second flange, and the eccentric part of rotating shaft is set on Moving plate.
Further, also include the first slide plate, the first slide plate mounting groove is offered on cylinder, the second slide plate mounting groove is offered on the cervical region of the second flange, the two ends of the first slide plate are separately positioned in the first slide plate mounting groove and the second slide plate mounting groove, be provided with on Moving plate dodge the first slide plate dodge breach, the second chamber isolation is formed the second suction muffler and the second compression chamber by the cervical region of the first slide plate and the second flange.
Further, dodge and all offer, on be oppositely arranged two surfaces of breach, the arcwall inwardly concaved, being provided with slide block in arcwall, slide block includes the arcwall face adaptive with arcwall and is connected to the bottom surface of two edges of arcwall face, and the both sides of the first slide plate are respectively arranged with a slide block.
Further, compressor pump also includes the second slide plate being arranged between the first flange and the first slide plate, offer, on the surface of cylinder and the laminating of the first flange, the 3rd slide plate mounting groove connected with the first slide plate mounting groove, the 4th slide plate mounting groove is offered on the surface of Moving plate and the laminating of the first flange, first end of the second slide plate is slidably disposed in the 3rd slide plate mounting groove, second end of the second slide plate is hinged in the 4th slide plate mounting groove, being formed makes the Moving plate can be with the motion auxiliary section of the second vane motion, and the first slide plate, first chamber isolation is formed the first suction muffler and the first compression chamber by the second slide plate and Moving plate.
Further, Moving plate has the rotation cooperating portion that radially inwardly extending and with rotating shaft eccentric part coordinates near one end of the first flange.
Further, the first air entry and the second air entry are positioned at the homonymy of the first slide plate and are close to the first slide plate.
Further, the first gas outlet connected with the first compression chamber is offered on first flange, offer the second gas outlet connected with the second compression chamber, the first gas outlet and the second gas outlet on second flange to be respectively positioned on the first slide plate and deviate from the side of the first air entry and be close to the first slide plate.
Further, the outer wall of Moving plate contacts all the time with the inwall of cylinder, contacts all the time between inwall and the cervical region of the second flange of Moving plate.
Further, the position the first flange corresponding to Moving plate offers multiple through hole.
According to another aspect of the present invention, it is provided that a kind of compressor, including compressor pump and motor, compressor pump is above-mentioned compressor pump.
In the inventive solutions, in Moving plate, the second chamber also it is formed with while forming the first chamber in cylinder, the cervical region that Moving plate does while eccentric motion compresses the gas in the first chamber also relative to the second flange at relative cylinder does eccentric motion, compress the gas in the second chamber, Moving plate is finally made to complete the compression of twice gas in a motor process, compared with single cylinder compressor of the prior art or duplex cylinder compressor, the cylinder of the compressor pump of the present invention under identical volume, effectively increase compression after the quantity of gas, improve space availability ratio and the compression efficiency of cylinder.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the exploded perspective view of the embodiment one of the compressor pump according to the present invention；
Fig. 2 shows the vertical view cross-sectional schematic of the compressor pump of Fig. 1；
Fig. 3 shows longitudinal cross-sectional schematic of the first angle of the compressor pump of Fig. 1；
Fig. 4 shows longitudinal cross-sectional schematic of the second angle of the compressor pump of Fig. 1；
Fig. 5 shows the perspective view of the cylinder of the compressor pump of Fig. 1；
Fig. 6 shows the cross-sectional schematic of the cylinder of the compressor pump of Fig. 5；
Fig. 7 shows the perspective view of the Moving plate of the compressor pump of Fig. 1；
Fig. 8 shows the Moving plate of Fig. 1 and the perspective view of the cooperation of the second slide plate；
Fig. 9 shows the Moving plate of Fig. 8 and the schematic top plan view of the cooperation of the second slide plate；
Figure 10 shows the schematic perspective view of the first flange of the compressor pump of Fig. 1；
Figure 11 shows the schematic perspective view of the second flange of the compressor pump of Fig. 1；And
Figure 12 shows longitudinal cross-sectional schematic of the embodiment two of the compressor pump according to the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In conjunction with seeing Fig. 1 to Fig. 4, as can be seen from the figure, the compressor pump of embodiment one includes: cylinder 10, rotating shaft the 20, first flange the 30, second flange 40 and Moving plate 50, wherein, first flange 30 and the second flange 40 are connected to the two ends of cylinder 10, first flange the 30, second flange 40, cylinder 10 and be arranged on the Moving plate 50 within cylinder 10 and jointly define the first chamber 61 of compressor pump, and Moving plate 50 is relatively and cylinder 10 eccentric setting.The cervical region 41 of the second flange is arranged on the inside of Moving plate 50, makes to define the second chamber 62 between Moving plate 50 and the second flange 40.First chamber 61 includes the first mutually isolated suction muffler and the first compression chamber, second chamber 62 includes the second mutually isolated suction muffler and the second compression chamber, and it is provided with the first air entry 11 being in communication with the outside by the first suction muffler on cylinder 10, connection the first suction muffler and the second air entry 51 of the second suction muffler it is provided with on Moving plate 50, rotating shaft 20 runs through cylinder the 10, first flange 30 and Moving plate 50, and rotating shaft 20 on the second flange 40 or in being located in the second flange 40 or passes the second flange 40 near the end abutment of the second flange 40.The eccentric part 21 of rotating shaft 20 is set on Moving plate 50.
The compressor pump of the present embodiment is also formed with the second chamber 62 while forming the first chamber 61 in cylinder 10 in Moving plate 50, the cervical region 41 that Moving plate 50 does while eccentric motion compresses the gas in the first chamber 61 also relative to the second flange 40 at relative cylinder 10 does eccentric motion, compress the gas in the second chamber 62, Moving plate 50 is finally made to complete the compression of twice gas in a motor process, compared with single cylinder compressor of the prior art or duplex cylinder compressor, the cylinder 10 of the compressor pump of the present embodiment under identical volume, effectively increase compression after the quantity of gas, improve space availability ratio and the compression efficiency of cylinder 10.
Compressor pump is discharged for the gas after making compression, first flange 30 offers the first gas outlet 31 making the first compression chamber be in communication with the outside, second flange 40 offers the second gas outlet 42 making the second compression chamber be in communication with the outside, for ensureing the gas pressure in the first compression chamber and the second compression chamber, it is also respectively provided with gland at the first gas outlet 31 and the second gas outlet 42, when the gas in the first compression chamber and the second compression chamber is during compression, gas pressure is gradually increased, when gas pressure arrives preset value, compressed gas backs down gland, the first compression chamber and the second compression chamber is made to be exhausted action.
As shown in Figures 5 to 9, in embodiment one, Moving plate 50 is in barrel-shaped, and its opening surface is fitted on the second flange 40, simultaneously, the eccentric part 21 offered on the bottom surface of Moving plate 50 and be arranged in rotating shaft 20 carries out the circular hole coordinated, so that this bottom surface forms rotation cooperating portion 53, rotating shaft 20, during rotating, drives rotation cooperating portion 53 to move by eccentric part 21, and then drive Moving plate 50, make the relative cylinder 10 of Moving plate 50 do eccentric motion.The first slide plate 71 it is additionally provided with between cylinder 10 and the cervical region 41 of the second flange, first end of the first slide plate 71 is arranged in the first slide plate mounting groove 12, second end of the first slide plate 71 is arranged in the second slide plate mounting groove 411, and the first slide plate mounting groove 12 is opened on cylinder 10 inwall, second slide plate mounting groove 411 is opened on the cervical region 41 of the second flange, owing to being provided with Moving plate 50 between cylinder 10 and the cervical region 41 of the second flange, therefore offer on Moving plate 50 dodge the first slide plate 71 dodge breach 521 so that the two ends of the first slide plate 71 are connected on the cervical region of cylinder and the second flange.First slide plate 71, for being fixedly installed, its objective is that the cervical region 41 by the first slide plate 71 and the second flange isolates the second suction muffler and the second compression chamber in the second chamber 62.
The compressor pump of the present embodiment is while being provided with the first slide plate 71, also between the first slide plate 71 and the first flange 30, it is provided with the second slide plate 73, first end of this second slide plate 73 is arranged in the 3rd slide plate mounting groove 13, second end of the second slide plate 73 is post ends, this post ends is hinged in the 4th slide plate mounting groove 522, the 3rd above-mentioned slide plate mounting groove 13 is for being radially opened in the groove on the surface with the first flange 30 laminating of cylinder 10, so that the first end of the second slide plate 73 is slidably disposed in the 3rd slide plate mounting groove 13.4th slide plate mounting groove 522 is arranged on Moving plate 50, dodging between breach and the first flange and connecting with dodging canal mouth, this set, second slide plate the 73, first slide plate 71 and Moving plate 50 is made jointly to act on while the first chamber 61 is isolated the first suction muffler and the second compression chamber, also avoid at the 4th slide plate mounting groove 522 and dodge sealing coat is set between breach, arranging of sealing coat can produce bigger friction with the first slide plate and the second slide plate, affect the motion of slide plate and increase the frictional dissipation of slide plate, affecting the work of the pump housing.Preferably, the 3rd slide plate mounting groove 13 connects with the first slide plate mounting groove 11.
The setting of the first slide plate 71 limits Moving plate 50 and can only move along a straight line along the first slide plate 71 by dodging breach 521.nullFor ensureing that Moving plate 50 remains contact condition when motion between its outer wall and the inwall of cylinder 10，Contact condition is remained between the cervical region 41 of its inwall and the second flange，Be oppositely arranged two surfaces dodge breach 521 are provided with the arcwall inwardly concaved，And in each arcwall, it is provided with a slide block 72，Each slide block 72 all include an arcwall face coordinated with arcwall and be connected to arcwall face two edges between bottom surface，And the first slide plate 71 is fed through the space of clamping described in two bottom surfaces，Moving plate 50 is made together to be moved along the first slide plate 71 by arcwall band movable slider 72 during the first slide plate 71，Preferably，The arcwall face being arranged on the arcwall on Moving plate 50 should be less than the arcwall face of slide block 72，So that Moving plate 50 can also carry out the swing of certain angle while moving along a straight line by arcwall around the arcwall face of slide block 72，Simultaneously，Being articulated and connected between the second end and the 4th vane slot of the second slide plate 73，The second end making the second slide plate 73 forms motion auxiliary section，Make Moving plate 50 can also be carried out the swing of certain angle while moving along a straight line around the second end of the second slide plate 73 by the 4th slide plate mounting groove 522，Prevent the second slide plate 73 from the rotation of Moving plate 50 is shone into interference，While making Moving plate 50 keep inscribe state relative to cylinder 10，Moving plate 50 is relative to also keeping circumscribed state between the cervical region 41 of the second flange.Meanwhile, Moving plate 50 will necessarily drive second slide plate 73 hinged with it together to move while moving along a straight line, and is therefore movably disposed in the 3rd slide plate mounting groove 13 by the first end of the second slide plate 73.When compressor is compressed, oil film can be there is between first slide plate 71 and the second slide plate 73 and between the first slide plate 71 and slide block 72, make to be formed between the first slide plate 71 and the second slide plate 73 to seal structure, formed between first slide plate 71 and slide block 72 and seal structure, prevent from occurring at the gap between gas gap or the first slide plate 71 and slide block 72 between the first slide plate 71 and the second slide plate 73 leakage.
In the present embodiment, remain between Moving plate 50 and cylinder 10 and remain that contact condition refers between contact condition and Moving plate 50 and the cervical region 41 of the second flange 40: while remaining the state of linear contact lay between outer wall and the inwall of cylinder 10 of Moving plate 50, all the time linear contact lay between Moving plate 50 and the cervical region 41 of the second flange 40, i.e. in radial section, the outer wall of Moving plate 50, while being inscribed within the inwall of cylinder 10, also keeps the cervical region 41 being cut in the second flange 40 outside the inwall of Moving plate 50.
As described before, the motion of Moving plate 50 is to be utilized the eccentric part 21 being disposed thereon to drive by rotating shaft 20.Moving plate 50 carries out the linear motion along the first slide plate 71 and the swing around slide block 72 under the driving of rotating shaft 20 simultaneously, under the common effect of two kinds of motions, the outer wall of Moving plate 50 is along the inwall cycle movement of cylinder 10, the inwall of Moving plate 50 does periodic movement along the outer wall of the cervical region 41 of the second flange, achieve in the first chamber 61 and compression process carrying out air-breathing compression exhaust of the second chamber 62 periodically, and the compression process in the first chamber 61 and the second chamber 62 is for carry out simultaneously.For reaching the purpose that the compression process in the first chamber 61 and the second chamber 62 synchronizes to carry out, first air entry 11 of the first chamber 61 and the second air entry 51 of the second chamber 62 are arranged on the homonymy of the first slide plate 71 and the first air entry 11 and the second air entry 51 near the first slide plate 71, first gas outlet 31 of the first compression chamber and the second gas outlet 42 of the second compression chamber are arranged on the first slide plate 71 and deviate from the side of the first air entry 11, and the first gas outlet 31 and the second gas outlet 42 are near the first slide plate 71, so that the gas in the first compression chamber and the second compression chamber is compressed completely.
Gas can form high pressure when compression, the effect of high pressure can make fit tightly between the first flange 30 and Moving plate 50 and then increase the frictional force between the first flange 30 and Moving plate 50, for reducing the friction between the first flange 30 and Moving plate 50, on the first flange 30, the part corresponding to Moving plate 50 offers multiple through hole 32, and multiple through holes 32 all connect with the high-pressure side of outside, high back pressure is provided, by high back pressure and the high-pressure balancing in compressor pump body, reduce the friction between the first flange 30 and Moving plate 50.Preferably, through hole 32 is circumferentially extending mounting hole, and described mounting hole is arranged on same circumference, so that the uniform force of Moving plate 50.
As shown in Figure 10 and Figure 11, the first flange 30 in the present embodiment is upper flange, and the second flange 40 is lower flange.
Figure 12 shows the longitudinal sectional view of the embodiment two of the compressor pump of the present invention, as can be seen from Fig., the difference of the compressor pump of embodiment two and embodiment one is that embodiment two is inverted to arrange by the structure of embodiment one and is formed, i.e. second flange is upper flange, first flange is lower flange, Moving plate 50 and upper flange cooperatively form the second chamber 62, the cervical region of upper flange form the cervical region 41 of the second flange, and be arranged between the first slide plate 71 and lower flange by the second slide plate 73.In embodiment two, also the first gas outlet 31 and the second gas outlet 42 can be opened on upper flange simultaneously.
Present invention also offers a kind of compressor, embodiment according to compressor includes compressor pump and motor, wherein, compressor pump is above-mentioned compressor pump, the compressor of the present invention achieves following technique effect: the compressor pump simple in construction of the present embodiment, and it is easily assembled, gas compression amount can be effectively increased under identical volume, compared with existing two cylinder compressors that there is disturbing moment, the balance of the compressor of the present embodiment is good, vibrations, noise and abrasion can be reduced, improve the service life of compressor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a compressor pump, it is characterized in that, including cylinder (10), rotating shaft (20) and be connected to the first flange (30) and second flange (40) at described cylinder (10) two ends, the internal Moving plate (50) with the most described cylinder (10) eccentric setting of described cylinder (10), described cylinder (10), first flange (30), the first chamber (61) is formed between second flange (40) and Moving plate (50), the cervical region (41) of described second flange is arranged on the inside of described Moving plate (50), make to be formed between described Moving plate (50) and described second flange (40) the second chamber (62), wherein,
Described first chamber (61) includes the first suction muffler and first compression chamber of mutually isolated setting, and described cylinder (10) is provided with the first air entry (11) making described first suction muffler be in communication with the outside；
Described second chamber (62) includes the second suction muffler and second compression chamber of mutually isolated setting, and described Moving plate (50) is communicated with second air entry (51) of described first suction muffler and the second suction muffler；
Described rotating shaft (20) runs through described cylinder (10), Moving plate (50) and described first flange (30) and is connected with described second flange (40), and the eccentric part (21) of described rotating shaft (20) is set on described Moving plate (50).
Compressor pump the most according to claim 1, it is characterized in that, also include the first slide plate (71), the first slide plate mounting groove (12) is offered on described cylinder (10), the second slide plate mounting groove (411) is offered on the cervical region (41) of described second flange, the two ends of described first slide plate (71) are separately positioned in described first slide plate mounting groove (12) and the second slide plate mounting groove (411), be provided with on described Moving plate (50) dodge described first slide plate (71) dodge breach (521), the isolation of described second chamber (62) is formed described second suction muffler and the second compression chamber with the cervical region (41) of described second flange by described first slide plate (71).
Compressor pump the most according to claim 2, it is characterized in that, all offer, on described be oppositely arranged two surfaces dodging breach (521), the arcwall inwardly concaved, slide block (72) it is provided with in described arcwall, described slide block (72) includes the arcwall face adaptive with described arcwall and is connected to the bottom surface of two edges of described arcwall face, and the both sides of described first slide plate (71) are respectively arranged with a described slide block (72).
nullCompressor pump the most according to claim 2，It is characterized in that，Described compressor pump also includes the second slide plate (73) being arranged between described first flange (30) and described first slide plate (71)，The 3rd slide plate mounting groove (13) connected with described first slide plate mounting groove (12) is offered with described first flange (30) on the surface that described cylinder (10) is fitted，Described Moving plate (50) offers the 4th slide plate mounting groove (522) on the surface of described first flange laminating，First end of described second slide plate (73) is slidably disposed in described 3rd slide plate mounting groove (13)，Second end of described second slide plate (73) is hinged in described 4th slide plate mounting groove (522)，Formation makes the motion auxiliary section that described Moving plate (50) can move with described second slide plate (73)，And described first slide plate (71)、The isolation of described first chamber (61) is formed described first suction muffler and the first compression chamber with described Moving plate (50) by the second slide plate (73).
Compressor pump the most according to claim 1, it is characterised in that described Moving plate (50) has, near one end of described first flange (30), the rotation cooperating portion (53) that radially inwardly extending and with described rotating shaft (20) eccentric part (21) coordinates.
Compressor pump the most according to claim 2, it is characterised in that described first air entry (11) and described second air entry (51) are positioned at the homonymy of described first slide plate (71) and are close to described first slide plate (71).
Compressor pump the most according to claim 6, it is characterized in that, the first gas outlet (31) connected with described first compression chamber is offered on described first flange (30), offering the second gas outlet (42) connected with described second compression chamber on described second flange (40), described first gas outlet (31) and the second gas outlet (42) are respectively positioned on described first slide plate (71) and deviate from the side of described first air entry (11) and be close to described first slide plate (71).
Compressor pump the most according to claim 1, it is characterised in that the outer wall of described Moving plate (50) contacts all the time with the inwall of described cylinder (10), contacts between the inwall of described Moving plate (50) and the cervical region of described second flange (40) all the time.
Compressor pump the most according to claim 1, it is characterised in that on described first flange (30), the position corresponding to described Moving plate (50) offers multiple through hole (32).
10. a compressor, it is characterised in that include that compressor pump and motor, described compressor pump are the compressor pump according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480883.1A CN103835948B (en) | 2012-11-22 | 2012-11-22 | Compressor pump and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480883.1A CN103835948B (en) | 2012-11-22 | 2012-11-22 | Compressor pump and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103835948A CN103835948A (en) | 2014-06-04 |
| CN103835948B true CN103835948B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210480883.1A Active CN103835948B (en) | 2012-11-22 | 2012-11-22 | Compressor pump and compressor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050653B (en) * | 2016-07-08 | 2019-12-27 | 珠海格力电器股份有限公司 | Pump body assembly and compressor with same |
| CN111692098A (en) * | 2019-03-15 | 2020-09-22 | 广东美的白色家电技术创新中心有限公司 | Rotor type compressor and electrical equipment |
| CN111692097B (en) * | 2019-03-15 | 2022-07-26 | 广东美的白色家电技术创新中心有限公司 | Rotor type compressor and electrical equipment |
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| US6336336B1 (en) * | 2000-03-20 | 2002-01-08 | Hitachi, Ltd. | Rotary piston compressor and refrigerating equipment |
| JP2006348773A (en) * | 2005-06-13 | 2006-12-28 | Daikin Ind Ltd | Rotary fluid machine |
| CN1981133A (en) * | 2004-07-09 | 2007-06-13 | 大金工业株式会社 | Rotary fluid machine |
| CN101160467A (en) * | 2005-04-28 | 2008-04-09 | 大金工业株式会社 | Rotary fluid machine |
| CN101939546A (en) * | 2008-02-04 | 2011-01-05 | 大金工业株式会社 | Fluid machine |
| CN202971192U (en) * | 2012-11-22 | 2013-06-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor pump body and compressor |
-
2012
- 2012-11-22 CN CN201210480883.1A patent/CN103835948B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6336336B1 (en) * | 2000-03-20 | 2002-01-08 | Hitachi, Ltd. | Rotary piston compressor and refrigerating equipment |
| CN1981133A (en) * | 2004-07-09 | 2007-06-13 | 大金工业株式会社 | Rotary fluid machine |
| CN101160467A (en) * | 2005-04-28 | 2008-04-09 | 大金工业株式会社 | Rotary fluid machine |
| JP2006348773A (en) * | 2005-06-13 | 2006-12-28 | Daikin Ind Ltd | Rotary fluid machine |
| CN101939546A (en) * | 2008-02-04 | 2011-01-05 | 大金工业株式会社 | Fluid machine |
| CN202971192U (en) * | 2012-11-22 | 2013-06-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor pump body and compressor |
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| CN103835948A (en) | 2014-06-04 |
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