CN204877852U - Pump body subassembly, straight -line compressor, refrigerating system and heat pump system - Google Patents
Pump body subassembly, straight -line compressor, refrigerating system and heat pump system Download PDFInfo
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- CN204877852U CN204877852U CN201520627364.2U CN201520627364U CN204877852U CN 204877852 U CN204877852 U CN 204877852U CN 201520627364 U CN201520627364 U CN 201520627364U CN 204877852 U CN204877852 U CN 204877852U
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Abstract
The utility model provides a pump body subassembly, straight -line compressor, refrigerating system and heat pump system. Pump body subassembly includes: spring fixed plate, spring fixed plate have the first hole of dodging, gland, gland have a plurality of stabilizer blades, and the spring fixed plate is connected with the stabilizer blade, form the resonance range between spring fixed plate and the gland, spring support piece, spring support piece are located the resonance range between gland and the spring fixed plate, a plurality of first springs, spring support piece passes through first spring and spring fixed plate butt, and a plurality of first springs separate the setting each other. Through installation spring support piece and first spring in the resonance range that constitutes between spring fixed plate and gland to make pump body subassembly can realize the resonance motion, and increased spring support piece's the motion degree of freedom, solved and caused the problem that spring support piece deflection is big, fragile, life is short because of spring support piece and spring fixed plate fixed connection.
Description
Technical field
The utility model relates to technical field of heat exchange equipment, in particular to a kind of pump assembly, straight-line compressor, refrigeration system and heat pump.
Background technique
Straight-line compressor of the prior art comprises: cylinder frame, piston, motor, spring, valve group, spring support and oil pumping system, wherein, and the mover of piston, motor, spring support and spring composition resonator system.
Under the driving force effect of linear type motor, piston to-and-fro motion in the cylinder of cylinder frame, completes the air-breathing to refrigerant, compression and exhaust process.When the driver frequency of motor and the natural frequency of resonator system consistent time, motor can promote piston acting, to complete refrigeration cycle with very little driving force.Now, compressor is most effective.
But resonator system of the prior art is unreasonable because of structural design, there is the problems such as yielding, working life is short.
For a conventional resonator system, the spring support of this resonator system is the curved spring support of multistage right-angle folding, although its overall axial dimension is less, but show after deliberation, its deformation is in use comparatively large, easily causes piston and cylinder mutually to wear and tear and even weares and teares, not only can produce a large amount of frictional heats, also can cause seizing of piston, reduce the operational reliability of pump assembly, even affect the normal operation of compressor.
Model utility content
Main purpose of the present utility model is to provide a kind of pump assembly, straight-line compressor, refrigeration system and heat pump, and to solve, spring support deformation quantity of the prior art is large, pump assembly operational reliability difference problem.
To achieve these goals, according to an aspect of the present utility model, provide a kind of pump assembly, comprising: spring dead plate, spring dead plate has first and dodges hole; Gland, gland has multiple leg, and spring dead plate is connected with leg, forms resonance range between spring dead plate and gland; Spring support, in the resonance range of spring support between gland and spring dead plate; Multiple first spring, spring support is abutted with spring dead plate by the first spring, and multiple first spring is intervally installed.
Further, gland comprises: limiting board, and limiting board has second dodges hole for what dodge baffler; Leg, the first end of leg is connected with limiting board, is connected after the second end bending of leg with spring dead plate.
Further, gland also comprises reinforcement structure, strengthens vibrational power flow dodges hole and/or limiting board circumferential edge place at second of limiting board.
Further, leg has at least one lightening hole.
Further, the peripheral region of spring dead plate has towards the fixed plate flange of gland side turnover.
Further, spring support comprises: cylindrical shell; Multiple spaced positioning arm, positioning arm is stretched out to the direction away from cylindrical shell by one end away from spring dead plate of cylindrical shell, and the two ends of the first spring abut with positioning arm and spring dead plate respectively, and positioning arm is stretched out by the gap location of adjacent two legs.
Further, positioning arm is positioned at the radial plane of cylindrical shell.
Further, leg is at least three, has a positioning arm between adjacent two legs.
Further, the circumferential side wall of cylindrical shell offers at least one first windage reduction holes.
Further, the first end of the close spring dead plate of cylindrical shell has the assembling convex edge that the central axis place to cylindrical shell stretches out.
Further, assemble convex edge and there is at least one second windage reduction holes.
Further, assemble convex edge and there is at least one pilot hole.
Further, spring support also comprises turnup structure, and turnup structure in turn and be arranged on the peripheral region of all positioning arm continuously.
Further, pump assembly also comprises cylinder frame, and cylinder frame comprises cylinder and support, and support casing is located at the outside of cylinder, and support has internal oil passages, and the internal surface of the casing wall of cylinder has annular oil groove, and annular oil groove is communicated with internal oil passages.
According to another aspect of the present utility model, provide a kind of straight-line compressor, comprise pump assembly, pump assembly is above-mentioned pump assembly.
According to another aspect of the present utility model, provide a kind of refrigeration system, comprise straight-line compressor, straight-line compressor is above-mentioned straight-line compressor.
According to another aspect of the present utility model, provide a kind of heat pump, comprise straight-line compressor, straight-line compressor is above-mentioned straight-line compressor.
Application the technical solution of the utility model, by mounting spring supporting element and the first spring in the resonance range that forms between spring dead plate and gland, harmonic moving is realized to enable pump assembly, and add the freedom of movement of spring support, solve because spring support is fixedly connected with spring dead plate and cause the problem that spring support amount of deformation is large, fragile, working life is short, simultaneously, improve the operational reliability of pump assembly and compressor, and then improve the operational safety of refrigeration or heat pump.In addition, the compressor in the utility model also has the feature of compact structure.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the pump assembly in the utility model, motor is not shown;
Fig. 2 shows the structural representation of the pump assembly of another angle;
Fig. 3 shows the structural representation of the spring support in first concrete example of the present utility model;
Fig. 4 shows the structural representation of the spring support in second concrete example of the present utility model;
Fig. 5 shows the structural representation of cylinder frame of the present utility model;
Fig. 6 shows the structural representation of the gland in first concrete example of the present utility model;
Fig. 7 shows the structural representation of the gland in second concrete example of the present utility model;
Fig. 8 shows the structural representation of the gland in the 3rd concrete example of the present utility model;
Fig. 9 shows the Aberration nephogram of the spring support in first concrete example in the utility model;
Figure 10 shows the Stress Map of the spring support in Fig. 9;
Figure 11 shows the Aberration nephogram of spring support of the prior art; And
Figure 12 show spring support in Figure 11 Stress Map.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, spring dead plate; 11, first hole is dodged; 12, fixed plate flange; 20, gland; 21, leg; 211, lightening hole; 22, limiting board; 221, second hole is dodged; 23, structure is strengthened; 30, spring support; 31, cylindrical shell; 311, the first windage reduction holes; 312, convex edge is assembled; 313, the second windage reduction holes; 314, pilot hole; 32, positioning arm; 321, spring locating features; 33, turnup structure; 40, the first spring; 50, baffler; 60, cylinder frame; 61, cylinder; 611, annular oil groove; 62, support; 621, internal oil passages; 622, oil pump mounting groove; 71, piston; 711, Aspirating valves fixed hole; 712, Aspirating valves assembling and positioning hole; 713, air-breathing refrigerant passage; 72, mover; 73, the second spring; 74, oil pump assembly.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
It is noted that following detailed description is all exemplary, be intended to provide further instruction to the application.Unless otherwise, all technology used herein and scientific terminology have the identical meanings usually understood with the application person of an ordinary skill in the technical field.
In the utility model, when not doing contrary explanation, the noun of locality of use such as " inside and outside " refers to profile inside and outside relative to each parts itself, but the above-mentioned noun of locality is not limited to the utility model.
In order to solve, spring support deformation quantity of the prior art is large, pump assembly operational reliability difference problem, and the utility model provides a kind of pump assembly, straight-line compressor, refrigeration system and heat pump.Wherein, straight-line compressor comprises pump assembly, and pump assembly is following pump assembly.And refrigeration system and heat pump include straight-line compressor, straight-line compressor is following straight-line compressor.
As shown in Figures 1 to 10, the pump assembly in the utility model comprises spring dead plate 10, gland 20, spring support 30 and multiple first spring 40, and spring dead plate 10 has first and dodges hole 11; Gland 20 has multiple leg 21, and spring dead plate 10 is connected with leg 21, forms resonance range between spring dead plate 10 and gland 20; In the resonance range of spring support 30 between gland 20 and spring dead plate 10; Spring support 30 is abutted with spring dead plate 10 by the first spring 40, and multiple first spring 40 is intervally installed.
By mounting spring supporting element 30 and the first spring 40 in the resonance range of formation between spring dead plate 10 and gland 20, harmonic moving is realized to enable pump assembly, and add the freedom of movement of spring support 30, solve because spring support 30 is fixedly connected with spring dead plate and cause the problem that spring support 30 amount of deformation is large, fragile, working life is short, simultaneously, improve the operational reliability of pump assembly and compressor, and then improve the operational safety of refrigeration system and heat pump.In addition, the compressor in the utility model also has the feature of compact structure.
As shown in Figure 6 to 8, gland 20 comprises limiting board 22 and leg 21, and limiting board 22 has second dodges hole 221 for what dodge baffler 50; The first end of leg 21 is connected with limiting board 22, is connected after the second end bending of leg 21 with spring dead plate 10.Because limiting board 22 is arranged by leg 21 and spring dead plate 10 interval, thus reserve enough resonance ranges for placing spring support 30.
Preferably, gland 20 also comprises strengthens structure 23, strengthens structure 23 and is arranged on the circumferential edge place that second of limiting board 22 dodges hole 221 and/or limiting board 22.Strengthen structure 23 owing to being provided with, thus improve the structural strength of gland 20, thus improve the operational safety of gland 20.
Further, strengthening structure 23 is strengthen flange.Certainly, strengthening structure 23 can also be deep floor or stiffening rib etc.
In the preferred implementation shown in Fig. 6, the thickness of limiting board 22 is 3 to 5mm, and leg 21 is three, each leg 21 is provided with 1 tapped hole, is used for being connected with spring dead plate 10.It is 2 to 3mm that second edge dodging hole 221 is provided with thickness, and be highly the reinforcement flange of 8 to 20mm, this reinforcement flange can be beneficial to the distortion reducing whole part.
In the preferred implementation shown in Fig. 7, be 2 to 3mm except the edge dodging hole 221 second is provided with thickness, be highly 8 to 20mm reinforcement flange outside, be also provided with at the axis edge place of limiting board 22 same thickness and height reinforcement flange.
In the preferred implementation shown in Fig. 8, leg 21 has at least one lightening hole 211.Owing to being provided with lightening hole 211, thus on the rigidity basis ensureing part, reducing the weight of part, reduce cost of material.
Preferably, lightening hole 211 is in kidney-shaped.Further, the width of lightening hole 211 is 3 to 8mm, and length is 15 to 30mm.
In the preferred implementation shown in Fig. 1 and Fig. 2, all legs 21 are equally spaced arranged.Because all legs 21 are equally spaced arranged, the feature thus making gland 20 have structural strength to be evenly distributed, optimizes the stress performance of gland 20.
In the preferred embodiment illustrated in fig. 1, the peripheral region of spring dead plate 10 has towards the fixed plate flange 12 of gland 20 side turnover.Owing to there is fixed plate flange 12 at spring dead plate 10, thus improve the structural strength of spring dead plate 10, effectively extend the working life of spring dead plate 10.
As shown in Figure 3 and Figure 4, spring support 30 comprises cylindrical shell 31 and multiple spaced positioning arm 32, positioning arm 32 is stretched out to the direction away from cylindrical shell 31 by one end away from spring dead plate 10 of cylindrical shell 31, the two ends of the first spring 40 abut with positioning arm 32 and spring dead plate 10 respectively, and positioning arm 32 is stretched out by the gap location of adjacent two legs 21.Owing to being provided with positioning arm 32, thus enough installing spaces are reserved for installation first spring 40.Because the gap location of positioning arm 32 by adjacent two legs 21 stretches out, thus make positioning arm 32 and leg 21 reasonable Arrangement, avoid the two Assembly Interference.
Preferably, cylindrical shell 31 is cylindrical structural.
In order to ensure the feature with miniaturization of pump assembly, the thickness of cylindrical shell 31 should between 2 to 5mm.Ensure that rigidity on the one hand, reduce cost on the other hand.
Positioning arm 32 in the utility model is positioned at the radial plane (please refer to Fig. 3) of cylindrical shell 31.
Leg 21 in the utility model is at least three, has a positioning arm 32 between adjacent two legs 21.
As shown in Figure 3 and Figure 4, the circumferential side wall of cylindrical shell 31 offers at least one first windage reduction holes 311.Preferably, the first windage reduction holes 311 is 3 to 6, effectively can not only reduce the quality of spring support 30, can also reduce windage.
As shown in Figure 3, the first end of the close spring dead plate 10 of cylindrical shell 31 has the assembling convex edge 312 that the central axis place to cylindrical shell 31 stretches out.Owing to being provided with assembling convex edge 312, thus providing enough assembling areas for installing other component, ensure that the assembly reliability of pump assembly.
As shown in Figure 3, assemble convex edge 312 and there is at least one second windage reduction holes 313.Owing to being provided with the second windage reduction holes 313, thus can effectively reducing the quality of spring support 30 and reduce windage.
As shown in Figure 3, assemble convex edge 312 and there is at least one pilot hole 314.Pilot hole 314 connects for piston 71.
As shown in Figure 3 and Figure 4, positioning arm 32 has spring locating features 321 for fixing the first spring 40.Preferably, spring locating features 321 is the protruding structures in positioning arm 32.Further, protruding structure is frustoconic shape.
Spring support 30 in the utility model also comprises turnup structure 33, and turnup structure 33 in turn and be arranged on the peripheral region (please refer to Fig. 4) of all positioning arm 32 continuously.Due to turnup structure 33 in turn and be arranged on the peripheral region of all positioning arm 32 continuously, thus make the overall construction intensity of spring support 30 be strengthened, thus extend the working life of spring support 30.
Preferably, multiple positioning arm 32 adopts circular arc smooth connection.Further, by being greater than the circular sliding slopes of R30 in the middle of two adjacent positioning arm 32.Because circular arc is enough large, ensure that positioning arm 32 has very large rigidity, reduce the distortion of the root of positioning arm 32 in the first spring 40 compression process.
In the preferred implementation shown in Fig. 4, the thickness of the turnup structure 33 of spring support 30 is 2 to 3mm, height 8 to 20mm.Compared with the spring support 30 in Fig. 3, the manufacture cost of the spring support 30 in Fig. 4 is slightly high, but its support stiffness is larger.
As shown in Figure 2, pump assembly also comprises piston 71, Aspirating valves, mover 72, second spring 73.Concrete assemble sequence is: first had good positioning in the Aspirating valves assembling and positioning hole 712 of Aspirating valves by piston 71, by the mode of bolt or riveted joint, the center of the valve block of Aspirating valves is fixed on by Aspirating valves fixed hole 711 on the end face of piston 71, forms piston assembly; Then piston 71 and mover 72 are assembled together by the positioning hole in specific assembly tooling, then in the end of mover 72 by locating stud fixing spring supporting element 30 and baffler 50; Finally the first spring 40 and the second spring 73 are installed to the two ends of spring support 30, complete the assembling of whole resonator system.The opening of the cylindrical shell 31 of spring support 30 is communicated with baffler 50 with piston 71, as the passage of air-breathing refrigerant.The passage of this air-breathing refrigerant is communicated with the air-breathing refrigerant passage 713 of piston 71.
Preferably, baffler 50 is air suction silencers.
As shown in Figure 5, cylinder frame 60 comprises cylinder 61 and support 62, and support 62 is set in the outside of cylinder 61, and support 62 has internal oil passages 621, and the internal surface of the casing wall of cylinder 61 has annular oil groove 611, and annular oil groove 611 is communicated with internal oil passages 621.Owing to being provided with annular oil groove 611, thus can not only lubricate piston 71, can also partial heat be taken away simultaneously.Wherein, support 62 also has oil pump mounting groove 622, so that be connected with oil pump assembly 74.
Preferably, annular oil groove 611 is positioned at 20 to the 30mm place of the cylinder head of distance cylinder 61.
Preferably, the groove width of annular oil groove 611 is 5 to 10mm, the degree of depth is 1 to 3mm.
Preferably, support 62 adopts the highstrenghtpiston such as cast aluminium or PEEK, PPS, to reduce motor flux leakage.
Preferably, cylinder 61 adopts cast iron materials (such as HT200, HT250 etc.), namely can ensure the wear resistance of part, can reduce casting cost again.
As shown in Figure 1, the pump assembly in the utility model also comprises cylinder frame 60, motor, valve assembly and above-mentioned oil pump assembly 74.Before assembling, first the inner stator of motor to be colded pressing on cylinder frame 60.During assembling, first cylinder frame 60 is fixed on positioning tool, installs oil pump assembly 74, on cylinder frame 60, then place the external stator of motor, and ensure that external stator is concentric with cylinder 61, then spring dead plate 10 is pressed onto on the upper-end surface of outer stator of motor, urgent bolt; Then the above-mentioned resonator system assembled is encased in cylinder 61; Finally by designing requirement, precompression is carried out to the first spring 40, place gland 20, and use bolton.Check errorless after, load valve assembly, complete the assembling of whole pump assembly.
It should be noted that, as shown in Figure 9 and Figure 10, utilize finite element to carry out to the spring support 30 in the utility model the distortional stress cloud atlas that simulation calculation obtains.Analysis can find, under identical stressing conditions, the maximum distortion of spring support 30 of the present utility model is 0.0863mm, maximum stress 60.5MPa.Same to the curved spring support simulation calculation of right-angle folding of the prior art, as is illustrated by figs. 11 and 12, analysis result shows that existing spring support maximum distortion reaches 0.197mm, and maximum stress is 81.2MPa.Therefore, the rigidity of spring support 30 of the present utility model is larger, and amount of deformation reduces 1 order of magnitude, and stress also reduced 25%, thus improves the performance of compressor, ensure that the reliability of part during compressor operating.
Pump assembly in the utility model can under the prerequisite of compact structure, ensure the resonance reliability of pump assembly, also effectively increase the support stiffness of spring support 30 simultaneously, decrease part deformation, thus the reliability of part when improve overall performance and the compressor operating of compressor.
It should be noted that used term is only to describe embodiment here, and be not intended to the illustrative embodiments of restricted root according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to comprise plural form, in addition, it is to be further understood that, " comprise " when using term in this manual and/or " comprising " time, it indicates existing characteristics, step, work, device, assembly and/or their combination.
It should be noted that, term " first ", " second " etc. in the specification of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as the mode of execution of the application described herein can with except here diagram or describe those except order implement.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (17)
1. a pump assembly, is characterized in that, comprising:
Spring dead plate (10), described spring dead plate (10) has first and dodges hole (11);
Gland (20), described gland (20) has multiple leg (21), described spring dead plate (10) is connected with described leg (21), forms resonance range between described spring dead plate (10) and described gland (20);
Spring support (30), described spring support (30) is positioned at the described resonance range between described gland (20) and described spring dead plate (10);
Multiple first spring (40), described spring support (30) is abutted with described spring dead plate (10) by described first spring (40), and multiple described first spring (40) is intervally installed.
2. pump assembly according to claim 1, is characterized in that, described gland (20) comprising:
Limiting board (22), described limiting board (22) has second dodges hole (221) for what dodge baffler (50);
Described leg (21), the first end of described leg (21) is connected with described limiting board (22), is connected after the second end bending of described leg (21) with described spring dead plate (10).
3. pump assembly according to claim 2, it is characterized in that, described gland (20) also comprises strengthens structure (23), and described reinforcement structure (23) is arranged on the circumferential edge place that described second of described limiting board (22) dodges hole (221) and/or described limiting board (22).
4. pump assembly according to claim 2, is characterized in that, described leg (21) has at least one lightening hole (211).
5. pump assembly according to claim 1, is characterized in that, the peripheral region of described spring dead plate (10) has towards the fixed plate flange (12) of described gland (20) side turnover.
6. pump assembly according to any one of claim 1 to 5, is characterized in that, described spring support (30) comprising:
Cylindrical shell (31);
Multiple spaced positioning arm (32), described positioning arm (32) is stretched out to the direction away from described cylindrical shell (31) by one end away from described spring dead plate (10) of described cylindrical shell (31), the two ends of described first spring (40) abut with described positioning arm (32) and described spring dead plate (10) respectively, and described positioning arm (32) is stretched out by the gap location of adjacent two described legs (21).
7. pump assembly according to claim 6, is characterized in that, described positioning arm (32) is positioned at the radial plane of described cylindrical shell (31).
8. pump assembly according to claim 6, is characterized in that, described leg (21) is at least three, has a described positioning arm (32) between adjacent two described legs (21).
9. pump assembly according to claim 6, is characterized in that, the circumferential side wall of described cylindrical shell (31) offers at least one first windage reduction holes (311).
10. pump assembly according to claim 6, it is characterized in that, the first end of the close described spring dead plate (10) of described cylindrical shell (31) has the assembling convex edge (312) that the central axis place to described cylindrical shell (31) stretches out.
11. pump assemblies according to claim 10, is characterized in that, described assembling convex edge (312) has at least one second windage reduction holes (313).
12. pump assemblies according to claim 10, is characterized in that, described assembling convex edge (312) has at least one pilot hole (314).
13. pump assemblies according to claim 6, it is characterized in that, described spring support (30) also comprises turnup structure (33), and described turnup structure (33) in turn and be arranged on the peripheral region of all described positioning arm (32) continuously.
14. pump assemblies according to any one of claim 1 to 5, it is characterized in that, described pump assembly also comprises cylinder frame (60), described cylinder frame (60) comprises cylinder (61) and support (62), described support (62) is set in the outside of described cylinder (61), described support (62) has internal oil passages (621), the internal surface of the casing wall of described cylinder (61) has annular oil groove (611), and described annular oil groove (611) is communicated with described internal oil passages (621).
15. 1 kinds of straight-line compressors, comprise pump assembly, it is characterized in that, described pump assembly is the pump assembly according to any one of claim 1 to 14.
16. 1 kinds of refrigeration systems, comprise straight-line compressor, it is characterized in that, described straight-line compressor is the straight-line compressor described in claim 15.
17. 1 kinds of heat pumps, comprise straight-line compressor, it is characterized in that, described straight-line compressor is the straight-line compressor described in claim 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627364.2U CN204877852U (en) | 2015-08-18 | 2015-08-18 | Pump body subassembly, straight -line compressor, refrigerating system and heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520627364.2U CN204877852U (en) | 2015-08-18 | 2015-08-18 | Pump body subassembly, straight -line compressor, refrigerating system and heat pump system |
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| CN204877852U true CN204877852U (en) | 2015-12-16 |
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| CN201520627364.2U Active CN204877852U (en) | 2015-08-18 | 2015-08-18 | Pump body subassembly, straight -line compressor, refrigerating system and heat pump system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704147A (en) * | 2015-08-18 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, linear compressor, refrigeration system and heat pump system |
| CN107304759A (en) * | 2016-04-19 | 2017-10-31 | Lg电子株式会社 | Linearkompressor |
-
2015
- 2015-08-18 CN CN201520627364.2U patent/CN204877852U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704147A (en) * | 2015-08-18 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, linear compressor, refrigeration system and heat pump system |
| CN106704147B (en) * | 2015-08-18 | 2019-05-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, straight-line compressor, refrigeration system and heat pump system |
| CN107304759A (en) * | 2016-04-19 | 2017-10-31 | Lg电子株式会社 | Linearkompressor |
| CN107304759B (en) * | 2016-04-19 | 2019-12-20 | Lg电子株式会社 | Linear compressor |
| US10724508B2 (en) | 2016-04-19 | 2020-07-28 | Lge Electronics Inc. | Linear compressor |
| US11773833B2 (en) | 2016-04-19 | 2023-10-03 | Lg Electronics Inc. | Linear compressor |
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