CN105275817A - Rotary compressor and refrigerating system with same - Google Patents
Rotary compressor and refrigerating system with same Download PDFInfo
- Publication number
- CN105275817A CN105275817A CN201510809125.3A CN201510809125A CN105275817A CN 105275817 A CN105275817 A CN 105275817A CN 201510809125 A CN201510809125 A CN 201510809125A CN 105275817 A CN105275817 A CN 105275817A
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- rotary compressor
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- intercommunicating pore
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Abstract
The invention discloses a rotary compressor and a refrigerating system with the rotary compressor. The rotary compressor comprises a shell, a motor and a compression mechanism. A mounting space is defined in the shell. The motor is arranged in the mounting space and comprises a stator and a rotatable rotor arranged inside the stator. The rotor is provided with a rotor exhaust hole penetrating the rotor in the height direction. The top and/or the bottom of the rotor are/is provided with end boards. At least one end board seals the rotor exhaust hole. The compression mechanism comprises an air cylinder, a main bearing and a crankshaft, the main bearing is arranged on the air cylinder, and the crankshaft penetrates the rotor, the main bearing and the air cylinder sequentially. Due to the fact that the end boards can seal the rotor exhaust hole, gaseous refrigerants cannot be directly exhausted to the upper portion of the mounting space from the middle of the mounting space via the rotor exhaust hole. Thus, it can be avoided that gaseous refrigerants of the same frequency are generated in the middle and on the upper portion of the mounting space, and pulse noise generated by the gaseous refrigerants of the same frequency can be avoided.
Description
Technical field
The present invention relates to Compressor Technology field, particularly relate to a kind of rotary compressor and there is the refrigeration system with this rotary compressor.
Background technique
In correlation technique, for most of compressor, rotor designs vent and is conducive to compressor air-discharging, therefore the upper and lower end plate of rotor is all dodged hole and can be ventilated.The pulsed gas that the pump housing produces, by the gap of rotor vent holes and stator, rotor, drains into housing upper space.But for baffler exhaust port in centre or when middle, the gas that the pump housing produces can directly be discharged through rotor vent holes, owing to not intercepting and abatement, the gas in housing upper space and the gas in housing central section space can produce the gas that same frequency is pulsed, when condition is suitable, the pulsed gas of this same frequency can form the pulsations of vibration frequency within the scope of 1000Hz ~ 1250Hz; Because rotor iron core itself has versatility, and this noise is just can be abnormal outstanding at specified conditions, if to abate the noise this partial noise by removing rotor vent holes, then needs again to change rotor iron core and make mould, huge difficulty can be caused like this to cost, obviously unrealistic.This partial noise cannot be eliminated by Sound-proof material simultaneously, air-conditioning system can show abnormal ear-piercing, affect Consumer's Experience.Therefore be necessary to be optimized existing compressor arrangement, reduce noise.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of rotary compressor that can reduce the gaseous coolant pulsations of same frequency pulsation.
The present invention proposes a kind of refrigeration system further.
According to rotary compressor of the present invention, comprising: housing, in described housing, limit installing space; Motor, described motor is located in described installing space, described motor comprises stator and is located at described stator interior and rotating rotor, described rotor is provided with the rotor exhaust port running through its height, top and/or the bottom of described rotor are provided with end plate, rotor exhaust port described in end plate capping described at least one; Compressing mechanism, described compressing mechanism comprises cylinder, main bearing and bent axle, and described main bearing is located on described cylinder, and described bent axle is successively through described rotor, described main bearing and described cylinder.
According to rotary compressor of the present invention, by being provided with end plate at the top of rotor and/or bottom, end plate can capping rotor exhaust port, gaseous coolant cannot directly by rotor exhaust port from the middle part of installing space the top discharged to installing space, thus the middle part of installing space and top can be avoided to produce the gaseous coolant of same frequency pulsation, and then the pulsations that the gaseous coolant that same frequency can be avoided to pulse produces, the travelling comfort of the refrigeration system with this rotary compressor can be promoted.
In addition, following difference technical characteristics can also be had according to rotary compressor of the present invention:
In examples more of the present invention, described end plate comprises the upper head plate being located at described rotor top, rotor exhaust port described in described upper head plate capping.
In examples more of the present invention, described end plate comprises the lower end sheet being located at described rotor bottom, rotor exhaust port described in described lower end sheet capping.
In examples more of the present invention, described rotor exhaust port is annular, and described end plate is for annular and it has endoporus, and the radius of described endoporus is less than or equal to the distance between the internal face of described rotor exhaust port and the spin axis of described bent axle.
In examples more of the present invention, described main bearing comprises main shaft part and is centered around the flange part of described main shaft part arranged outside, described flange part is located on the upper-end surface of described cylinder, the spatial volume surrounded between inwall by the lower end of described motor, the upper end of described flange part and described housing is V1, the air displacement of described rotary compressor is V0, wherein V1/V0≤1.89.
In examples more of the present invention, described rotary compressor also comprises baffler, described baffler is located on described main bearing, described baffler has the intercommunicating pore be communicated with described installing space, and the distance between the center of described intercommunicating pore and the spin axis of described bent axle is more than or equal to the distance between the center of described rotor exhaust port and the spin axis of described bent axle.
In examples more of the present invention, described baffler comprises internal layer baffler and outer baffler, described internal layer baffler is located on described main bearing, described outer muffler cover is located at the outside of described internal layer baffler, and described internal layer baffler is provided with interior intercommunicating pore, described outer baffler is provided with outer intercommunicating pore, and the distance between the center of wherein said outer intercommunicating pore and the spin axis of described bent axle is more than or equal to the distance between the center of described rotor exhaust port and the spin axis of described bent axle.
In examples more of the present invention, described baffler comprises internal layer baffler and outer baffler, described internal layer baffler is located on described main bearing, described outer muffler cover is located at the outside of described internal layer baffler, and described internal layer baffler is provided with interior intercommunicating pore, described outer baffler is provided with outer intercommunicating pore, and the axis of wherein said outer intercommunicating pore is concentric with the spin axis of described bent axle.
In examples more of the present invention, the axis of described outer intercommunicating pore is concentric with the axis of described interior intercommunicating pore.
According to refrigeration system of the present invention, comprise above-mentioned rotary compressor, because above-mentioned rotary compressor is provided with end plate at the top of rotor and/or bottom, end plate can capping rotor exhaust port, gaseous coolant cannot directly by rotor exhaust port from the middle part of installing space the top discharged to installing space, thus the middle part of installing space and top can be avoided to produce the gaseous coolant of same frequency pulsation, and then the pulsations that the gaseous coolant that same frequency can be avoided to pulse produces, the travelling comfort of the refrigeration system with this rotary compressor can be promoted.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the sectional view of the rotary compressor according to first embodiment of the invention;
Fig. 2 is the sectional view of the rotary compressor according to second embodiment of the invention;
Fig. 3 is the worm's eye view of the rotor being provided with lower end sheet;
Fig. 4 is the partial sectional view of the rotary compressor according to the embodiment of the present invention.
Reference character:
Rotary compressor 100;
Housing 10; Installing space 11;
Motor 20; Stator 21; Rotor 22; Rotor exhaust port 23; Upper head plate 24; Lower end sheet 25; The lower end surface 20a of motor;
Compressing mechanism 30; Cylinder 31; The upper-end surface 31a of cylinder; Main bearing 32; Main shaft part 32a; Flange part 32b; Bent axle 33;
Baffler 40; Internal layer baffler 41; Interior intercommunicating pore 41a; Outer baffler 42; Outer intercommunicating pore 42a.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " on ", D score, "front", "rear", " top ", " end ", " interior ", " outward ", etc. the orientation of instruction or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Below with reference to the accompanying drawings the rotary compressor 100 according to the embodiment of the present invention is described in detail.
As depicted in figs. 1 and 2, can comprise according to the rotary compressor 100 of the embodiment of the present invention: housing 10, motor 20 and compressing mechanism 30.Installing space 11 is limited in housing 10, motor 20 and compressing mechanism 30 are arranged in installing space 11, motor 20 comprises stator 21 and is located at stator 21 inside and rotating rotor 22, rotor 22 is provided with the rotor exhaust port 23 of the height (i.e. the length of rotor 22 on the above-below direction shown in Fig. 1) running through rotor 22, top and/or the bottom of rotor 22 are provided with end plate, at least one end plate capping rotor exhaust port 23.
The end plate being wherein arranged on rotor 22 top is called upper head plate 24, and the end plate be arranged on bottom rotor 22 is lower end sheet 25.The top of rotor 22 and bottom can be provided with tip plate configurations simultaneously, or in the top of rotor 22 and bottom one is provided with tip plate configurations.Alternatively, in example as shown in Figure 1, the top of rotor 22 is provided with upper head plate 24, and the bottom of rotor 22 is provided with lower end sheet 25, and lower end sheet 25 can capping rotor exhaust port 23; Or as shown in Figure 2, the top of rotor 22 is provided with upper head plate 24, and the bottom of rotor 22 is provided with lower end sheet 25, lower end sheet 25 can capping rotor exhaust port 23; Or alternatively, upper head plate 24 and lower end sheet 25 can the rotor of capping simultaneously exhaust ports 23.
As shown in Figure 4, due to end plate capping rotor exhaust port 23, when gaseous coolant flows out from compressing mechanism 30, refrigeration agent can travel up to the top of installing space 11 by the gap between stator 21 and rotor 22, thus can be discharged from rotary compressor 100 by the exhaust port on housing 10.Thus, gaseous coolant cannot directly by rotor exhaust port 23 from the middle part of installing space 11 top discharged to installing space 11, thus the middle part of installing space 11 and top can be avoided to produce the gaseous coolant of same frequency pulsation, and then the pulsations that the gaseous coolant that same frequency can be avoided to pulse produces, the travelling comfort of the refrigeration system with this rotary compressor 100 can be promoted.
As depicted in figs. 1 and 2, compressing mechanism 30 comprises cylinder 31, main bearing 32 and bent axle 33, and main bearing 32 is located on cylinder 31, and bent axle 33 is successively through rotor 22, main bearing 32 and cylinder 31.
According to the rotary compressor 100 of the embodiment of the present invention, by being provided with end plate at the top of rotor 22 and/or bottom, end plate can capping rotor exhaust port 23, gaseous coolant cannot directly by rotor exhaust port 23 from the middle part (space between motor 20 and main bearing 22) of installing space 11 top (superjacent air space of motor 20) discharged to installing space 11, thus the middle part of installing space 11 and top can be avoided to produce the gaseous coolant of same frequency pulsation, and then the pulsations that the gaseous coolant that same frequency can be avoided to pulse produces, the travelling comfort of the refrigeration system with this rotary compressor 100 can be promoted.
In examples more of the present invention, the shape of rotor exhaust port 23 can be annular, and particularly, rotor exhaust port 23 overlaps with the rotating center of bent axle 33.Correspondingly, end plate is also annular, and the end plate of annular has endoporus, and the radius of its endoporus can be less than or equal to the distance between the internal face of rotor exhaust port 23 and the spin axis of bent axle 33.As shown in Figure 1, the radius r 2 of the endoporus of lower end sheet 25 and the distance L between the internal face of rotor exhaust port 23 and the spin axis of bent axle 33 meet relation: r2≤L.As shown in Figure 2, the radius r 1 of the endoporus of upper head plate 24 and the distance L between the internal face of rotor exhaust port 23 and the spin axis of bent axle 33 meet relation: r1≤L.The internal face of rotor exhaust port 23 refers to the wall of the spin axis of contiguous bent axle 33.Thus, by rationally arranging the radius of the endoporus of end plate, end plate complete capping rotor exhaust port 23 can be made, thus effectively can reduce the noise of rotary compressor 100.
In other examples of the present invention, the shape of rotor exhaust port 23 can also be other shapes, and such as rotor exhaust port 23 can be other than ring type, and the horizontal projection shape of such as rotor exhaust port 23 is circle, ellipse, polygonal, irregular shape etc.The number of rotor exhaust port 23 is arbitrary, and can be arranged in any position of rotor 22.Correspondingly, the structure of end plate also can be other than ring type, as long as end plate can cover rotor exhaust port 23.
Alternatively, as depicted in figs. 1 and 2, main bearing 32 comprises main shaft part 32a and is centered around the flange part 32b of main shaft part 32a arranged outside, flange part 32b is located on the upper-end surface 31a of cylinder 31, the spatial volume surrounded between inwall by the lower end surface 20a of motor 20, the upper-end surface of flange part 32b and housing 10 is V1, the air displacement of rotary compressor 100 is V0, wherein V1/V0≤1.89.By reasonable installation space volume V1, can regulate from the flow direction of compressing mechanism 30 discharged to the gaseous coolant at the middle part of installing space 11, the flow velocity of the gaseous coolant flowing to rotor exhaust port 23 can be slowed down at least to a certain extent, gaseous coolant can be conducive to and flow to gap between rotor 22 and stator 21 from the middle part of installing space 11.
According to a preferred embodiment of the present invention, rotary compressor 100 can also comprise baffler 40, baffler 40 is located on main bearing 32, baffler 40 has the intercommunicating pore be communicated with installing space 11, and the distance between the center of intercommunicating pore and the spin axis of bent axle 33 can be more than or equal to the distance between the center of rotor exhaust port 23 and the spin axis of bent axle 33.By rationally arranging the relation between above-mentioned distance, can be conducive at least to a certain extent guiding gaseous coolant to flow to gap between stator 21 and rotor 22 from the middle part of installing space 11, the flow noise reducing gaseous coolant can be conducive to, the noise reduction of rotary compressor 100 can be promoted.
In concrete examples more of the present invention, as depicted in figs. 1 and 2, baffler 40 can comprise internal layer baffler 41 and outer baffler 42, internal layer baffler 41 is located on main bearing 32, outer baffler 42 is located at the outside of internal layer baffler 41, and internal layer baffler 41 is provided with interior intercommunicating pore 41a, outer baffler 42 is provided with outer intercommunicating pore 42a.
Alternatively, in example as described in Figure 2, the distance between the center of outer intercommunicating pore 42a and the spin axis of bent axle 33 is more than or equal to the distance between the center of rotor exhaust port 23 and the spin axis of bent axle 33.Be understandable that, in the flow process of gaseous coolant, the gaseous coolant of discharging from compressing mechanism 30 flows in internal layer baffler 41, then in from internal layer baffler 41, intercommunicating pore 41a flows into outer baffler 42, then flows to the middle part of installing space 11 from the outer intercommunicating pore 42a outer baffler 42.Thus, outer intercommunicating pore 42a can guide gaseous coolant to flow to gap between stator 21 and rotor 22 at least to a certain extent behind the middle part flowing into installing space 11, thus can promote the noise reduction of rotary compressor 100.Alternatively, in example as shown in Figure 1, the axis of outer intercommunicating pore 42a can be arranged with one heart with the spin axis of bent axle 33.
In some embodiments of the invention, as shown in Figure 2, the axis of outer intercommunicating pore 42a can be concentric with the axis of interior intercommunicating pore 41a.Thus, after refrigerant gas is discharged from internal layer baffler 41, enter in the space between internal layer baffler 41 and outer baffler 41, outer baffler 42 can be discharged more swimmingly.
In an embodiment of the present invention, outer baffler 42 can be one and be positioned at the outside of internal layer baffler 41, the quantity of internal layer baffler 41 can be individual arbitrarily, can be such as one or can also be multiple, as long as after the layout of internal layer baffler 41 and outer baffler 42 can allow refrigerant gas to discharge from cylinder 31, after the sound deadening of baffler, drain in installing space 11.
According to the refrigeration system of the embodiment of the present invention, comprise the rotary compressor 100 of above-described embodiment, because the rotary compressor 100 of above-described embodiment is provided with end plate at the top of rotor 22 and/or bottom, end plate can capping rotor exhaust port 23, gaseous coolant cannot directly by rotor exhaust port 23 from the middle part of installing space 11 top discharged to installing space 11, thus the middle part of installing space 11 and top can be avoided to produce the gaseous coolant of same frequency pulsation, and then the pulsations that the gaseous coolant that same frequency can be avoided to pulse produces, the travelling comfort of the refrigeration system with this rotary compressor 100 can be promoted.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a rotary compressor, is characterized in that, comprising:
Housing, limits installing space in described housing;
Motor, described motor is located in described installing space, described motor comprises stator and is located at described stator interior and rotating rotor, described rotor is provided with the rotor exhaust port running through its height, top and/or the bottom of described rotor are provided with end plate, rotor exhaust port described in end plate capping described at least one;
Compressing mechanism, described compressing mechanism comprises cylinder, main bearing and bent axle, and described main bearing is located on described cylinder, and described bent axle is successively through described rotor, described main bearing and described cylinder.
2. rotary compressor according to claim 1, is characterized in that, described end plate comprises the upper head plate being located at described rotor top, rotor exhaust port described in described upper head plate capping.
3. rotary compressor according to claim 1 and 2, is characterized in that, described end plate comprises the lower end sheet being located at described rotor bottom, rotor exhaust port described in described lower end sheet capping.
4. rotary compressor according to claim 1, it is characterized in that, described rotor exhaust port is annular, and described end plate is for annular and it has endoporus, and the radius of described endoporus is less than or equal to the distance between the internal face of described rotor exhaust port and the spin axis of described bent axle.
5. rotary compressor according to claim 1, it is characterized in that, described main bearing comprises main shaft part and is centered around the flange part of described main shaft part arranged outside, described flange part is located on the upper-end surface of described cylinder, the spatial volume surrounded between inwall by the lower end of described motor, the upper end of described flange part and described housing is V1, the air displacement of described rotary compressor is V0, wherein V1/V0≤1.89.
6. rotary compressor according to claim 1, it is characterized in that, also comprise baffler, described baffler is located on described main bearing, described baffler has the intercommunicating pore be communicated with described installing space, and the distance between the center of described intercommunicating pore and the spin axis of described bent axle is more than or equal to the distance between the center of described rotor exhaust port and the spin axis of described bent axle.
7. rotary compressor according to claim 6, it is characterized in that, described baffler comprises internal layer baffler and outer baffler, described internal layer baffler is located on described main bearing, described outer muffler cover is located at the outside of described internal layer baffler, and described internal layer baffler is provided with interior intercommunicating pore, described outer baffler is provided with outer intercommunicating pore, and the distance between the center of wherein said outer intercommunicating pore and the spin axis of described bent axle is more than or equal to the distance between the center of described rotor exhaust port and the spin axis of described bent axle.
8. rotary compressor according to claim 6, it is characterized in that, described baffler comprises internal layer baffler and outer baffler, described internal layer baffler is located on described main bearing, described outer muffler cover is located at the outside of described internal layer baffler, and described internal layer baffler is provided with interior intercommunicating pore, described outer baffler is provided with outer intercommunicating pore, and the axis of wherein said outer intercommunicating pore is concentric with the spin axis of described bent axle.
9. the rotary compressor according to claim 7 or 8, is characterized in that, the axis of described outer intercommunicating pore is concentric with the axis of described interior intercommunicating pore.
10. a refrigeration system, is characterized in that, comprises the rotary compressor according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809125.3A CN105275817B (en) | 2015-11-19 | 2015-11-19 | Rotary compressor and there is its refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809125.3A CN105275817B (en) | 2015-11-19 | 2015-11-19 | Rotary compressor and there is its refrigeration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105275817A true CN105275817A (en) | 2016-01-27 |
| CN105275817B CN105275817B (en) | 2018-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510809125.3A Expired - Fee Related CN105275817B (en) | 2015-11-19 | 2015-11-19 | Rotary compressor and there is its refrigeration system |
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| Country | Link |
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| CN (1) | CN105275817B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401963A (en) * | 2016-11-22 | 2017-02-15 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration system with same |
| CN107605739A (en) * | 2017-10-23 | 2018-01-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Flange assembly, compressor and air conditioner |
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| JP2006177158A (en) * | 2004-12-20 | 2006-07-06 | Toshiba Kyaria Kk | Sealed type electric compressor and refrigerating cycle device |
| JP2008199843A (en) * | 2007-02-15 | 2008-08-28 | Daikin Ind Ltd | Motor rotor and compressor with the same |
| CN101440811A (en) * | 2008-12-26 | 2009-05-27 | 广东美芝制冷设备有限公司 | Lubrication apparatus of horizontal rotary compressor and control method thereof |
| CN101440812A (en) * | 2008-12-24 | 2009-05-27 | 广东美芝制冷设备有限公司 | Lubrication apparatus of rotary compressor and control method thereof |
| CN101581305A (en) * | 2009-06-12 | 2009-11-18 | 广东美芝制冷设备有限公司 | Oil effluence reducing device of rotary compressor and control method thereof |
| CN205136022U (en) * | 2015-11-19 | 2016-04-06 | 安徽美芝精密制造有限公司 | Rotary compressor and have its refrigerating system |
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2015
- 2015-11-19 CN CN201510809125.3A patent/CN105275817B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006177158A (en) * | 2004-12-20 | 2006-07-06 | Toshiba Kyaria Kk | Sealed type electric compressor and refrigerating cycle device |
| JP2008199843A (en) * | 2007-02-15 | 2008-08-28 | Daikin Ind Ltd | Motor rotor and compressor with the same |
| CN101440812A (en) * | 2008-12-24 | 2009-05-27 | 广东美芝制冷设备有限公司 | Lubrication apparatus of rotary compressor and control method thereof |
| CN101440811A (en) * | 2008-12-26 | 2009-05-27 | 广东美芝制冷设备有限公司 | Lubrication apparatus of horizontal rotary compressor and control method thereof |
| CN101581305A (en) * | 2009-06-12 | 2009-11-18 | 广东美芝制冷设备有限公司 | Oil effluence reducing device of rotary compressor and control method thereof |
| CN205136022U (en) * | 2015-11-19 | 2016-04-06 | 安徽美芝精密制造有限公司 | Rotary compressor and have its refrigerating system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401963A (en) * | 2016-11-22 | 2017-02-15 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration system with same |
| CN106401963B (en) * | 2016-11-22 | 2019-05-24 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration system with it |
| CN107605739A (en) * | 2017-10-23 | 2018-01-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Flange assembly, compressor and air conditioner |
| CN107605739B (en) * | 2017-10-23 | 2023-10-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Flange assembly, compressor and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN105275817B (en) | 2018-03-23 |
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Granted publication date: 20180323 Termination date: 20191119 |