CN105065280A - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN105065280A CN105065280A CN201510524416.8A CN201510524416A CN105065280A CN 105065280 A CN105065280 A CN 105065280A CN 201510524416 A CN201510524416 A CN 201510524416A CN 105065280 A CN105065280 A CN 105065280A
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- oil
- cylinder
- oil guide
- shoe cream
- cream room
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Abstract
The invention discloses a rotary compressor. The rotary compressor comprises a shell, a crankshaft, an air cylinder and a bearing. An oil bath is defined in the shell. The crankshaft is arranged in the shell, an oil channel communicated with the oil bath is arranged in the crankshaft, the crankshaft is provided with an oil outlet communicated with the oil channel, and the crankshaft is provided with an eccentric part provided with a piston. The air cylinder is arranged in the shell, an air cylinder cavity is defined in the air cylinder, the eccentric part is movably arranged in the air cylinder cavity, and an oil storage cavity communicated with the oil bath is formed in the air cylinder. The bearing is arranged in the shell and connected with the air cylinder, and an oil conduction channel making the oil outlet and the oil storage cavity be communicated is arranged in the bearing. Due to the fact that the rotary compressor is provided with a circulating cooling oil passage passing through the air cylinder, the air cylinder can be cooled, the temperature of sucked air is decreased, the phenomenon that the sucked air is excessively hot is reduced, and the air suction quantity is increased.
Description
Technical field
The present invention relates to Compressor Technology field, more specifically, relate to a kind of rotary compressor.
Background technique
In rotary compressor in the related, pressurized gas in main casing can be directly delivered in cylinder by cylinder wall, and then transfer heat to the gas of suction, suction gas temperature is made to increase, volume reduces, cause the gettering quantity of cylinder to reduce, gettering ability reduces, thus have impact on the performance of compressor.
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, the pumping property of described rotary compressor is good.
According to the rotary compressor of the embodiment of the present invention, comprising: housing, in described housing, be limited with oil sump; Bent axle, described bent axle is located in described housing, and be provided with the oil duct with described oil sump conducting in described bent axle, described bent axle is provided with the oil outlet with described oil duct conducting, and described bent axle has eccentric part, and described eccentric part is provided with piston; Cylinder, described cylinder is located in described housing, is limited with cylinder chamber in described cylinder, and described eccentric part is located in described cylinder chamber movably, is provided with the shoe cream room with described oil sump conducting in described cylinder; Bearing, described bearing to be located in described housing and with described cylinders, be provided with the Oil Guide passage of oil outlet described in conducting and described shoe cream room in described bearing.
According to the rotary compressor of the embodiment of the present invention, there is the circulating cooling oil circuit through cylinder, cooling can be realized to cylinder, reduce the temperature of suction gas, improve suction superheat phenomenon, improve the gettering quantity of compressor, improving performance.
In addition, rotary compressor according to the above embodiment of the present invention can also have following additional technical characteristics:
According to one embodiment of present invention, described bearing comprises main bearing and supplementary bearing, and described main bearing and supplementary bearing are located at the two ends of described cylinder respectively, and described Oil Guide passage is located in described main bearing.
According to one embodiment of present invention, described piston, be limited with cavity between described eccentric part and described main bearing, oil outlet described in described cavity conducting and described Oil Guide passage.
According to one embodiment of present invention, described Oil Guide passage comprises the main passage of entrance and outlet section described in entrance and outlet section and conducting, described main passage comprises the first Oil Guide section and the second Oil Guide section, cavity described in described entrance conducting and described first Oil Guide section, second Oil Guide section and described shoe cream room described in described outlet section conducting, the cross-section area of described first Oil Guide section is less than the cross-section area of described second Oil Guide section.
According to one embodiment of present invention, described main passage extends along the radial direction of described main bearing, and described outlet section and described entrance extend along the axis of described main bearing respectively.
According to one embodiment of present invention, one end away from described first Oil Guide section of described second Oil Guide section extends to the outer side surface of described main bearing, and one end of described second Oil Guide section is provided with sealing plug, and described outlet section is communicated with the middle part of described second Oil Guide section.
According to one embodiment of present invention, described shoe cream room extends along the axis of described cylinder, and described cylinder is provided with stream hydraulic fluid port, and one end of described stream hydraulic fluid port is communicated with described shoe cream room, and the other end of described stream hydraulic fluid port extends to the outer side surface of described cylinder.
According to one embodiment of present invention, described shoe cream room is along the through described cylinder of axis of described cylinder, and described supplementary bearing and described cylinders are to close one end away from described main bearing of described shoe cream room.
According to one embodiment of present invention, the cross section of described shoe cream room is formed as the arc that extends along the circumference of described cylinder or fold-line-shaped, and in the circumference of described cylinder, one end of described stream hydraulic fluid port is communicated with the middle part of described shoe cream room.
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
Fig. 1 is the part-structure schematic diagram of the rotary compressor according to the embodiment of the present invention;
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1;
Fig. 3 is the plan view of the part-structure of rotary compressor according to the embodiment of the present invention.
Reference character:
Rotary compressor 100;
Housing 10; Oil sump 11;
Bent axle 20; Oil duct 21; Oil outlet 22; Annular indentation 23; Eccentric shaft 201;
Cylinder 30; Cylinder chamber 31; Shoe cream room 32; Cavity 33; Stream hydraulic fluid port 34; Vane slot 35;
Bearing 40; Main bearing 401; Supplementary bearing 402; Oil Guide passage 41; Main passage 411; First Oil Guide section 4111; Second Oil Guide section 4112; Entrance 412; Outlet section 413;
Piston 50; Sealing plug 60; Slide plate 70.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The compressor according to the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
With reference to shown in Fig. 1, housing 10, bent axle 20, cylinder 30 and bearing 40 can be comprised according to the compressor of the embodiment of the present invention.Be limited with oil sump 11 in housing 10, specifically, housing 10 can be vertically extended, and oil sump 11 can be arranged on the bottom of housing 10.Bent axle 20, cylinder 30 and bearing 40 are located in housing 10 respectively, and bearing 40 is connected with cylinder 30, and bent axle 20 can be located on cylinder 30 and bearing 40.Bent axle 20 can have eccentric part 201, is limited with cylinder chamber 31 in cylinder 30, and eccentric part 201 is located in cylinder chamber 31 movably, and piston 50 can be set on eccentric part 201.
Be provided with oil duct 21 in bent axle 20, bent axle 20 is provided with oil outlet 22.Be provided with shoe cream room 32 in cylinder 30, in bearing 40, be provided with Oil Guide passage 41.Wherein, oil duct 21 and oil sump 11 conducting, oil outlet 22 and oil duct 21 conducting, Oil Guide passage 41 conducting oil outlet 22 and shoe cream room 32, shoe cream room 32 and oil sump 11 conducting.Thus, can form circulating cooling oil circuit in housing 10, the oil in oil sump 11 can again be got back in oil sump 11 successively after oil channel 21, oil outlet 22, Oil Guide passage 41 and shoe cream room 32, and can proceed next circulation.In the cycle, oil, through cylinder 30, can cool cylinder 30, thus effectively prevent the temperature of suction gas from rising, and ensures the gettering quantity even improving cylinder 30, thus reaches the object of improving energy efficiency.
According to the rotary compressor 100 of the embodiment of the present invention, by arranging shoe cream room 32 in cylinder 30, and the Oil Guide passage 41 arranged in bearing 40 with shoe cream room 32 and oil duct 21 conducting, make rotary compressor 100 can have circulating cooling oil circuit, this circulating cooling oil circuit, through cylinder 30, can cool cylinder 30, reduce the temperature of suction gas, improve suction superheat phenomenon, improve the gettering quantity of compressor, improving performance.
According to some embodiments of the present invention, bearing 40 can comprise main bearing 401 and supplementary bearing 402, and main bearing 401 and supplementary bearing 402 can be located at the two ends of cylinder 30 respectively, and Oil Guide passage 41 can be located in main bearing 401.Such as, as shown in Figure 1, main bearing 401 can be located at the upper end of cylinder 30, and supplementary bearing 402 can be located at the lower end of cylinder 30, and oil outlet 22 can be close to eccentric part 201 and arrange.
Piston 50, can be limited with cavity 33 between eccentric part 201 and main bearing 401, cavity 33 can conducting oil outlet 22 and Oil Guide passage 41.Oil in oil duct 21 can be flow in cavity 33 by oil outlet 22, and is entered in Oil Guide passage 41 by this cavity 33.Alternatively, one end towards main bearing 401 of eccentric part 201 can be provided with annular indentation 23, and cavity 33 can by annular indentation 23, limit between piston 50 and the lower end surface of main bearing 401.
Specifically, annular indentation 23 forms a circle along the circumference of eccentric part 201, limits cavity 33 between the lower surface of the wall of annular indentation 23, the internal face of piston 50 and main bearing 401.Thus, when rotary compressor 100 is in running state, eccentric part 201 rotates, the oil outlet 22 of bent axle 20 can always with cavity 33 conducting, simultaneously, this cavity 33 also always with Oil Guide passage 41 conducting, thus make oil duct 21 and Oil Guide passage 41 can be in the state of conducting always, interval disconnection can not be occurred because of the rotation of bent axle 20, Oil Guide performance is good, oil can flow in the shoe cream room 32 of cylinder 30 endlessly, and cool cylinder 30, cooling performance is good.
As depicted in figs. 1 and 2, annular indentation 23 can be formed as the annular groove on the outer circumferential face of the one end of the contiguous main bearing 401 being located at eccentric part 201.Thus, not only easily manufactured but also the work of bent axle 20 can not be had influence on.
Be understandable that, the structure of Oil Guide passage 41 can be formed as multiple, and alternatively, as depicted in figs. 1 and 2, Oil Guide passage 41 can comprise main passage 411, entrance 412 and outlet section 413, main passage 411 conducting entrance 412 and outlet section 413.Main passage 411 can comprise the first Oil Guide section 4111 and the second Oil Guide section 4112, entrance 412 conducting cavity 33 and the first Oil Guide section 4111, outlet section 413 conducting second Oil Guide section 4112 is less than the cross-section area of the second Oil Guide section 4112 with the cross-section area of shoe cream room 32, first Oil Guide section 4111.Thus, oil by successfully flowing to the second Oil Guide section 4112 by the first Oil Guide section 4111, can flow more smooth and easy.
Preferably, main passage 411 can extend along the radial direction of main bearing 401, and outlet section 413 and entrance 412 extend along the axis of main bearing 401 respectively.That is, main bearing 401 extends along the radial direction of cylinder 30, and outlet section 413 and entrance 412 extend along the axis of cylinder 30.As depicted in figs. 1 and 2, main passage 411 is located in main bearing 401, and outlet section 413 and entrance 412 extend to the lower end surface of main bearing 401 respectively.Thus, be not only convenient to manufacturing but also make oil flow more smooth and easy.
Alternatively, the cross section of main passage 411 can be formed as circular.In addition, for the ease of processing, one end away from the first Oil Guide section 4111 of second Oil Guide section 4112 can extend to the outer side surface of main bearing 401, outlet section 413 can be communicated with the middle part of the second Oil Guide section 4112, one end of second Oil Guide section 4112 can be provided with sealing plug 60, to close one end of the second Oil Guide section 4112.
That is, the middle part of the second Oil Guide section 4112 is connected with outlet section 413, the outer wall of main bearing 401 can be run through in one end away from the first Oil Guide section 4111 of second Oil Guide section 4112, namely opening is formed as, this opening can arrange sealing plug 60, to block the object that this opening reaches sealing Oil Guide path, the oil in the second outlet section 413 can be flow in shoe cream room 32 by outlet section 413 as far as possible, realize the cooling to cylinder 30.This kind of structure be more convenient for main bearing 401 manufacturing and Oil Guide performance is good.
Shown in Fig. 3, cylinder 30 can be provided with stream hydraulic fluid port 34, one end of stream hydraulic fluid port 34 can be communicated with shoe cream room 32, and the other end of stream hydraulic fluid port 34 can extend to the outer side surface of cylinder 30.Thus, the oil in shoe cream room 32 can be flow between the outer side surface of cylinder 30 and the inner peripheral surface of housing 10 by stream hydraulic fluid port 34, and along this outer side surface or inner peripheral surface downstream in oil sump 11, oil flow is smooth and easy, and oil return is effective.
As shown in Figure 2, shoe cream room 32 can along the through cylinder 30 of the axis of cylinder 30, to ensure having good cooling effect to cylinder 30.Wherein, supplementary bearing 402 can be connected with cylinder 30 with the lower end of closed shoe cream room 32.That is, a part for supplementary bearing 402 extends to shoe cream room 32 place of cylinder 30 and is sealed one end away from main bearing 401 of shoe cream room 32.
Certainly, the structure of shoe cream room 32 is not limited thereto, such as, in other embodiments of the present invention, shoe cream room 32 extends along the axis of cylinder 30, the through cylinder 30 in one end of shoe cream room 32 and being connected with outlet section 413, the not through cylinder 30 of the other end of shoe cream room 32.Thus, without the need to adopting supplementary bearing 402 to seal, assemble more convenient and good airproof performance.
Preferably, outlet section 413 coaxially can be arranged with shoe cream room 32.Thus, oil is easier to flow in shoe cream room 32 from outlet section 413.Wherein, the cross-section area of outlet section 413 can be less than the cross-section area of the one end open of shoe cream room 32, with ensure from outlet section 413 flow out by can all flow in shoe cream room 32, improve oil utilization ratio.
Preferably, as shown in Figure 2, flow hydraulic fluid port 34 one end to be connected with the sidewall of one end towards main bearing 401 of shoe cream room 32.Thus, can ensure can retain more oil in shoe cream room 32, and the time that oil stockpiles in cylinder 30 is longer, heat exchange is comparatively thorough, can improve the cooling effect to cylinder 30 further.
As shown in Figure 3, the cross section of shoe cream room 32 is formed as the arc extended along the circumference of cylinder 30, and in the circumference of cylinder 30, one end of stream hydraulic fluid port 34 can be communicated with the middle part of shoe cream room 32.Thus, not only can ensure can have more oil in shoe cream room 32, ensure the cooling effect to cylinder 30, and can ensure that the oil in shoe cream room 32 can flow out from stream hydraulic fluid port 34 more swimmingly, Oil Guide is good.
Certainly, the shape of shoe cream room 32 is not limited thereto, and such as, in other embodiments of the present invention, the cross section of shoe cream room 32 is formed as the fold-line-shaped extended along the circumference of cylinder 30.This fold-line-shaped is appreciated that what the straight line for being connected successively by multiple head and the tail was formed.Such as, this fold-line-shaped can be at least partially polygonal centered by the center of cylinder 30, such as, and pentagonal several limits or hexagonal several limits etc.
The size that shoe cream room 32 extends along the circumference of cylinder 30 can be arranged as required, such as, as shown in Figure 3, cylinder 30 is provided with vane slot 201, slide plate 70 is located in vane slot 201 movably, and shoe cream room 32 and the spaced apart setting of vane slot 201, shoe cream room 32 extends in small semicircle arc.Certainly, shoe cream room 32 also can extend in big semicircle arc or whole semicircular arc etc.
It should be noted that, cross section described above be from the flow direction of oil, such as, shown in Fig. 3, for Oil Guide passage 41, the flow direction of oil is substantially horizontal, and therefore the cross section of the first Oil Guide section 4111 and the second Oil Guide section 4112 is respectively vertical cutting plane; For shoe cream room 32, the flow direction of oil is totally vertical direction, and therefore the cross section of shoe cream room 32 is then horizontal plane.
According to the rotary compressor 100 of the embodiment of the present invention operationally, bent axle 20 rotates, eccentric part 201 is movable in cylinder chamber 31 with piston 50, gas enters in cylinder chamber 31 by intakeport, lubricant oil in oil sump 11 enters in the oil duct 21 of bent axle 20, enter into by piston 50 through oil outlet 22 again, in the cavity 33 that eccentric part 201 top and main bearing 401 lower end surface are formed, enter in main passage 411 by entrance 412 again, then flow in shoe cream room 32 from outlet section 413, after stockpiling enough oil in shoe cream room 32, oil can flow out cylinder 30 from stream hydraulic fluid port 34, be back in oil sump 11.
Thus, the shoe cream room 32 of this rotary compressor 100 is not communicated with cylinder chamber 31, thus also can not have influence on the normal suction operation of cylinder 30.Meanwhile, this rotary compressor 100 can form circulating cooling oil circuit, can play the effect reducing cylinder 30 suction superheat, improves the gettering quantity of rotary compressor 100, improving product performance.
According to the rotary compressor 100 of the embodiment of the present invention other form and operation be known for the person of ordinary skill of the art, be not described in detail at this.
In describing the invention, it will be appreciated that, term " on ", D score, "front", "rear", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that 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 at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; 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, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment " or " specific embodiment ", " example ", " concrete example " 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, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a rotary compressor, is characterized in that, comprising:
Housing, is limited with oil sump in described housing;
Bent axle, described bent axle is located in described housing, and be provided with the oil duct with described oil sump conducting in described bent axle, described bent axle is provided with the oil outlet with described oil duct conducting, and described bent axle has eccentric part, and described eccentric part is provided with piston;
Cylinder, described cylinder is located in described housing, is limited with cylinder chamber in described cylinder, and described eccentric part is located in described cylinder chamber movably, is provided with the shoe cream room with described oil sump conducting in described cylinder;
Bearing, described bearing to be located in described housing and with described cylinders, be provided with the Oil Guide passage of oil outlet described in conducting and described shoe cream room in described bearing.
2. rotary compressor according to claim 1, is characterized in that, described bearing comprises main bearing and supplementary bearing, and described main bearing and supplementary bearing are located at the two ends of described cylinder respectively, and described Oil Guide passage is located in described main bearing.
3. rotary compressor according to claim 2, is characterized in that, described piston, is limited with cavity between described eccentric part and described main bearing, oil outlet described in described cavity conducting and described Oil Guide passage.
4. rotary compressor according to claim 3, it is characterized in that, described Oil Guide passage comprises the main passage of entrance and outlet section described in entrance and outlet section and conducting, described main passage comprises the first Oil Guide section and the second Oil Guide section, cavity described in described entrance conducting and described first Oil Guide section, second Oil Guide section and described shoe cream room described in described outlet section conducting, the cross-section area of described first Oil Guide section is less than the cross-section area of described second Oil Guide section.
5. rotary compressor according to claim 4, is characterized in that, described main passage extends along the radial direction of described main bearing, and described outlet section and described entrance extend along the axis of described main bearing respectively.
6. rotary compressor according to claim 5, it is characterized in that, one end away from described first Oil Guide section of described second Oil Guide section extends to the outer side surface of described main bearing, and one end of described second Oil Guide section is provided with sealing plug, and described outlet section is communicated with the middle part of described second Oil Guide section.
7. rotary compressor according to claim 5, it is characterized in that, described shoe cream room extends along the axis of described cylinder, and described cylinder is provided with stream hydraulic fluid port, one end of described stream hydraulic fluid port is communicated with described shoe cream room, and the other end of described stream hydraulic fluid port extends to the outer side surface of described cylinder.
8. rotary compressor according to claim 7, is characterized in that, described shoe cream room is along the through described cylinder of axis of described cylinder, and described supplementary bearing and described cylinders are to close one end away from described main bearing of described shoe cream room.
9. rotary compressor according to claim 7, is characterized in that, described outlet section and described shoe cream room are coaxially arranged.
10. rotary compressor according to claim 7, it is characterized in that, the cross section of described shoe cream room is formed as the arc that extends along the circumference of described cylinder or fold-line-shaped, and in the circumference of described cylinder, one end of described stream hydraulic fluid port is communicated with the middle part of described shoe cream room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524416.8A CN105065280B (en) | 2015-08-24 | 2015-08-24 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524416.8A CN105065280B (en) | 2015-08-24 | 2015-08-24 | Rotary compressor |
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| Publication Number | Publication Date |
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| CN105065280A true CN105065280A (en) | 2015-11-18 |
| CN105065280B CN105065280B (en) | 2017-03-08 |
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| CN201510524416.8A Expired - Fee Related CN105065280B (en) | 2015-08-24 | 2015-08-24 | Rotary compressor |
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| CN101403385A (en) * | 2008-10-25 | 2009-04-08 | 广东美芝制冷设备有限公司 | Lubrication system of horizontal rotary compressor, its control method and application |
| CN101463820A (en) * | 2008-12-31 | 2009-06-24 | 广东美芝制冷设备有限公司 | Horizontal rotary compressor |
| CN102192154A (en) * | 2010-03-18 | 2011-09-21 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN103775343A (en) * | 2014-01-20 | 2014-05-07 | 广东美芝制冷设备有限公司 | Horizontal compressor |
| CN203948306U (en) * | 2014-07-16 | 2014-11-19 | 珠海凌达压缩机有限公司 | Compressor and refrigerating system comprising same |
| CN204312350U (en) * | 2014-12-09 | 2015-05-06 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN204941962U (en) * | 2015-08-24 | 2016-01-06 | 广东美芝制冷设备有限公司 | Rotary compressor |
-
2015
- 2015-08-24 CN CN201510524416.8A patent/CN105065280B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403385A (en) * | 2008-10-25 | 2009-04-08 | 广东美芝制冷设备有限公司 | Lubrication system of horizontal rotary compressor, its control method and application |
| CN101463820A (en) * | 2008-12-31 | 2009-06-24 | 广东美芝制冷设备有限公司 | Horizontal rotary compressor |
| CN102192154A (en) * | 2010-03-18 | 2011-09-21 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN103775343A (en) * | 2014-01-20 | 2014-05-07 | 广东美芝制冷设备有限公司 | Horizontal compressor |
| CN203948306U (en) * | 2014-07-16 | 2014-11-19 | 珠海凌达压缩机有限公司 | Compressor and refrigerating system comprising same |
| CN204312350U (en) * | 2014-12-09 | 2015-05-06 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN204941962U (en) * | 2015-08-24 | 2016-01-06 | 广东美芝制冷设备有限公司 | Rotary compressor |
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| CN105065280B (en) | 2017-03-08 |
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