CN108457840B - A kind of Linearkompressor with fueller - Google Patents
A kind of Linearkompressor with fueller Download PDFInfo
- Publication number
- CN108457840B CN108457840B CN201711372855.7A CN201711372855A CN108457840B CN 108457840 B CN108457840 B CN 108457840B CN 201711372855 A CN201711372855 A CN 201711372855A CN 108457840 B CN108457840 B CN 108457840B
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- Prior art keywords
- mover
- oil
- fueller
- cylinder
- spring
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
- F04B39/0292—Lubrication of pistons or cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
Abstract
A kind of Linearkompressor with fueller.It includes shell, lubricating oil, linear electric machine, cylinder, piston, mover skeleton, resonant spring and fueller；Fueller includes oil pump and oily channel；Oil pump includes the oil cylinder being fixed on stator；The oily mover being movably located on oil cylinder；Strong spring, the weak spring being set to inside and outside oily mover, strong spring one end are fixed on the stator of linear electric machine, and weak spring one end is fixed on oily mover, and the other end is fixed on mover skeleton；Oily channel includes suction passage and oil drain passage, and one end of suction passage is immersed in the lubricating oil of outer casing bottom, is connected inside the other end and oil cylinder；It is connected inside one end of oil drain passage and oil cylinder, the other end leads to the gap location of cylinder and piston.Linearkompressor effect with fueller of the invention: energy directly is provided for fueller using the vibration of mover skeleton or auxiliary mover, independent of the vibration of the pump housing, the pump housing Linearkompressor fuel feeding with fueller with small vibration is efficiently solved the problems, such as.
Description
Technical field
The invention belongs to compressor mechanical technical fields, more particularly to a kind of Linearkompressor with fueller.
Background technique
Linearkompressor with fueller be it is a kind of using linear electric machine band piston move back and forth, thus will
The gas sucked in cylinder interior is compressed the device being then discharged.Relative to traditional reciprocating compressor, fuel feeding is had
The Linearkompressor of device eliminates the structure of crankshaft-link rod, reduces the quantity of drive mechanism, while decreasing each biography
Friction between dynamic component.However remain rubbing surface between piston and cylinder, in order to ensure compressor operation can
By property, the Linearkompressor with fueller is usually also required to fueller and lubricating oil is supplied between piston and cylinder.
Fig. 1 is a kind of Linearkompressor vertical structure cross-sectional view with fueller of prior art.As shown in Figure 1,
It includes shell, and bottom is equipped with lubricating oil；Main pump body, including linear electric machine, cylinder and piston, it is vibratile by damper
Mode is set in shell；And fueller, it is arranged in pump housing lower part, including oil piston, oil cylinder.When with fueller
When Linearkompressor works, linear electric machine will carry out straight reciprocating motion with piston in cylinder, to realize the suction of gas
Enter, compress and discharge process.Linear electric machine and cylinder can also vibrate together with piston simultaneously, and the vibration of main pump body can pass
To fueller, at this point, oil piston carries out straight reciprocating motion by being supported in oil cylinder for two sides oil spring, so that lubricating oil
Along with the reciprocating motion of oil cylinder by the sucking and discharge of inertia.
It can be seen that by described above, the power master of fueller in the Linearkompressor with fueller of prior art
To derive from the vibration of main pump body.However for the Linearkompressor with fueller with small vibration for main pump body, this confession
Oily device will be no longer applicable in.
Summary of the invention
It to solve the above-mentioned problems, can the purpose of the present invention is to provide a kind of Linearkompressor with fueller
Fuel feeding is solved the problems, such as the main pump body Linearkompressor with fueller with small vibration.
In order to achieve the above object, the Linearkompressor provided by the invention with fueller includes shell；It is stored in
The lubricating oil of outer casing bottom；Fixed linear electric machine and cylinder inside the shell, wherein linear electric machine is by stator, coil and permanent magnet
It constitutes；The piston of straight reciprocating motion is carried out by linear electric motor and in cylinder；Connect permanent magnet and work on linear electric machine
The mover skeleton of plug；It is connected to the resonant spring on mover skeleton and linear electric machine between stator；It is characterized by: the band
The Linearkompressor for having fueller further includes fueller；The fueller includes oil pump and oily channel；Wherein oil pump
Including the oil cylinder being fixed on the stator of linear electric machine；The oily mover being movably located on oil cylinder；It is set to oily mover
Inside and outside strong spring, weak spring, wherein one end of strong spring is fixed on oily mover, and the other end is fixed on linear electric machine
On stator, one end of weak spring is fixed on oily mover, and the other end is fixed on mover skeleton；Oily channel include suction passage and
Oil drain passage, wherein one end of suction passage is immersed in the lubricating oil of outer casing bottom, is connected inside the other end and oil cylinder；Row
It is connected inside the one end in oily channel and oil cylinder, the other end leads to the gap location of cylinder and piston.
Elastic stiffness of the elastic stiffness of the weak spring much smaller than strong spring and resonant spring.
Linearkompressor provided by the invention with fueller includes shell；It is stored in the lubricating oil of outer casing bottom；
Fixed linear electric machine and cylinder inside the shell, wherein linear electric machine is made of stator, coil and permanent magnet；It is driven by linear electric machine
Piston dynamic and that straight reciprocating motion is carried out in cylinder；Connect the mover skeleton of permanent magnet and piston on linear electric machine；Two
It is respectively placed in the resonant spring of mover skeleton two sides；The auxiliary mover being connect by a resonant spring with mover skeleton；Connection
Damping spring between shell and auxiliary mover；It is characterized by: the Linearkompressor with fueller also wraps
Include fueller；The fueller includes oil pump and oily channel；Wherein oil pump includes being fixed on the stator of linear electric machine
Oil cylinder；The oily mover being movably located on oil cylinder；Strong spring, the weak spring being set to inside and outside oily mover,
One end of middle strong spring is fixed on oily mover, and the other end is fixed on the stator of linear electric machine, and one end of weak spring is fixed on
On oily mover, the other end is fixed on auxiliary mover；Oily channel includes suction passage and oil drain passage, and wherein the one of suction passage
End is immersed in the lubricating oil of outer casing bottom, is connected inside the other end and oil cylinder；One end of oil drain passage and phase inside oil cylinder
Connection, the other end lead to the gap location of cylinder and piston.
Elastic stiffness of the elastic stiffness of the weak spring much smaller than strong spring, damping spring and resonant spring.
Linearkompressor provided by the invention with fueller, which has the following beneficial effects:, directly utilizes mover skeleton
Or the vibration of auxiliary mover provides energy for fueller, independent of the vibration of the pump housing, efficiently solves pump housing vibration
The small Linearkompressor fuel feeding problem with fueller.
Detailed description of the invention
Fig. 1 is a kind of Linearkompressor vertical structure cross-sectional view with fueller of prior art.
Fig. 2 is the Linearkompressor vertical structure cross-sectional view with fueller that the embodiment of the present invention one provides.
Fueller partial enlargement in the Linearkompressor with fueller that Fig. 3 provides for the embodiment of the present invention one
Figure.
Fig. 4 is the Linearkompressor vertical structure cross-sectional view provided by Embodiment 2 of the present invention with fueller.
Fig. 5 is fueller partial enlargement in the Linearkompressor provided by Embodiment 2 of the present invention with fueller
Figure.
Specific embodiment
The Linearkompressor to provided by the invention with fueller carries out detailed in the following with reference to the drawings and specific embodiments
It describes in detail bright.
Embodiment one:
As shown in Fig. 2-Fig. 3, the Linearkompressor provided in this embodiment with fueller includes: shell 00, thereon
Equipped with suction inlet and outlet；Lubricating oil O is stored in the bottom of shell 00；Linear electric machine 30 is set to inside shell 00, packet
Stator 31, coil 33 and permanent magnet 32a, 32b are included, while stator 31 is equipped with annular gap, permanent magnet 32a, 32b are placed in annular
In gap and it is able to carry out straight reciprocating motion；Cylinder 21 is fixed on inside shell 00；Exhaust valve 22 is arranged in cylinder 21 1
The exhaust ports at end are used to open or close exhaust outlet；Exhaust spring 23, be connected on exhaust valve 22 and shell 00 outlet it
Between, it is used to open or closes exhaust valve 22；Piston 11 is located in a mobile manner in cylinder 21, and by mover skeleton 13 with
Permanent magnet 32a, 32b are connected with each other, and can carry out straight reciprocating motion in cylinder 21 under the driving of linear electric machine 30, so as to
Sucking, compressed gas；Inlet valve 12 is set at the air entry on 11 end face of piston, for opening and closing air entry；Stator
Latch plate 34 is fixed on one end of stator 31；Resonant spring 14 is placed in stator spring plate 34 and mover bone as elastic element
Between frame 13；Fueller 40, for sending the lubricating oil O of 00 bottom of shell into the gap of piston 11 and cylinder 21, packet
Include oil pump, oil sucting valve 51, draining valve 52, suction passage 5a and oil drain passage 5b；Wherein oil pump include oil cylinder 42, oily mover 41,
Weak spring 4a and strong spring 4b；One end top of oil cylinder 42 is fixed on stator spring plate 34, be which is provided with and is inhaled for lubricating oil O
Enter and the oil sucting valve 51 of discharge, draining valve 52；Oily mover 41 is movably disposed on oil cylinder 42；Weak spring 4a setting
Between mover skeleton 13 and oily mover 41, strong spring 4b setting is elastically supported oil between oil cylinder 42 and oily mover 41
Mover 41；Suction passage 5a is formed by the gap between 42 one end lower part of oil cylinder and stator spring plate 34, and profit is immersed in
Among lubricating oil 0, and be connected inside oil cylinder 42, lubricating oil O is sent to oil cylinder 42 by the opening and closing of oil sucting valve 51；
Oil drain passage 5b is formed in stator 31, is connected inside one end and oil cylinder 42, the other end then leads between cylinder 21 and piston 11
Gap is sent the lubricating oil O in oil cylinder 42 to the gap of cylinder 21 and piston 11 by the opening and closing of draining valve 52.
Elastic stiffness of the elastic stiffness of the weak spring 4a much smaller than strong spring 4b and resonant spring 14.
The Linearkompressor course of work provided in this embodiment with fueller is described below below:
When providing alternating current to stator coil 33, magnetic field will be generated in the annular gap of stator 31.Due to providing
Electric current be alternating current, the polarity in magnetic field is in cyclically-varying, so that permanent magnet 32a, permanent magnet 32b pass through mover
Skeleton 13 carries out straight reciprocating motion on 21 inner surface of cylinder with frequency identical with provided electric current with piston 11.This
When, gas to be compressed will enter the inside of cylinder 21 by the inlet valve 12 being unlocked and be compressed by piston 11.Wherein
Inlet valve 12 is to move back and forth the internal and external pressure difference generated by piston 11 to open and close.When the pressure in cylinder 21 reaches
When certain value, exhaust valve 22 will be opened in a manner of compression exhaust spring 23, at this point, the high pressure gas through overcompression will be by outer
Outlet discharge on shell 00.When mover skeleton 13 carries out straight reciprocating motion, resonant spring connected to it will drive
14 with the weak spring 4a of fueller 40 with identical amplitude together with move.The vibration of weak spring 4a simultaneously can pass to again and it
Connected oily mover 41 and strong spring 4b makes it also generate vibration together.When oily mover 41 moves downward, pressure in oil cylinder 42
Reduce, inside and outside differential pressure opens oil sucting valve 51, and the lubricating oil O of 11 bottom of shell will enter oil cylinder 42 by suction passage 5a
It is interior；When oily mover 41 moves right, pressure increases in oil cylinder 42, opens so that oil sucting valve 51 closes draining valve 52 simultaneously, oil
Lubricating oil in cylinder 42 will enter in the gap of piston 11 and cylinder 21 by oil drain passage 5b, to reach to piston 11 and gas
The purpose that cylinder 21 is lubricated.And since the elastic stiffness of resonant spring 14 is much larger than the elastic stiffness of weak spring 4a,
It influences minimum and can ignore on the motion state of mover skeleton 13.Amplitude, strong spring 4b of its amplitude by mover skeleton 13
It is determined with the elastic stiffness ratio of weak spring 4a.Assuming that the amplitude of mover skeleton 13 is 10mm, the elastic stiffness ratio of spring is 10:
1, then the amplitude of oily mover 41 is 1mm.It not only ensure that the oil mass supply between piston 11 and cylinder 21 in this way, but also be unlikely to keep oil dynamic
The amplitude of son 41 is excessive and leads to the increase of oil pump consumption energy, to ensure that the steady of the Linearkompressor with fueller
It is qualitative.
Embodiment two:
As shown in Fig. 4-Fig. 5, the Linearkompressor provided in this embodiment with fueller includes shell 00, thereon
Equipped with suction inlet and outlet；Lubricating oil O is stored in the bottom of shell 00；Linear electric machine 30 is set to inside shell 00, packet
Stator 31, coil 33 and permanent magnet 32a, 32b are included, while stator 31 is equipped with annular gap, permanent magnet 32a, 32b are placed in annular
In gap and it is able to carry out straight reciprocating motion；Cylinder 21 is fixed on inside shell 00；Exhaust valve 22 is arranged in cylinder 21 1
The exhaust ports at end are used to open or close exhaust outlet；Exhaust spring 23, be connected on exhaust valve 22 and shell 00 outlet it
Between, it is used to open or closes exhaust valve 22；Piston 11 is located in a mobile manner in cylinder 21, and by mover skeleton 13 with
Permanent magnet 32a, 32b are connected with each other, and can carry out straight reciprocating motion in cylinder 21 under the driving of linear electric machine 30, so as to
Sucking, compressed gas；Inlet valve 12 is set at the air entry on 11 end face of piston, for opening and closing air entry；Stator
Latch plate 34 is fixed on one end of stator 31；Resonant spring 14a, 14b are placed in 13 two sides of mover skeleton as elastic element；
Mover 16 is assisted, is connect by resonant spring 14b with mover skeleton 13；Damping spring 15 is connected to shell 00 and auxiliary mover
Between 16；Fueller 40, for sending the lubricating oil O of 00 bottom of shell into the gap of piston 11 and cylinder 21 comprising
Oil pump, oil sucting valve 51, draining valve 52, suction passage 5a and oil drain passage 5b；Wherein oil pump include oil cylinder 42, it is oily mover 41, weak
Spring 4a and strong spring 4b；One end top of oil cylinder 42 is fixed on stator spring plate 34, be which is provided with and is sucked for lubricating oil O
Oil sucting valve 51, draining valve 52 with discharge；Oily mover 41 is movably disposed on oil cylinder 42；Weak spring 4a setting exists
It assists between mover 16 and oily mover 41, it is dynamic to be elastically supported oil between oil cylinder 42 and oily mover 41 for strong spring 4b setting
Son 41；Suction passage 5a is formed by the gap between 42 one end lower part of oil cylinder and stator spring plate 34, and lubrication is immersed in
Oil 0 among, and be connected inside oil cylinder 42, lubricating oil O is sent to oil cylinder 42 by the opening and closing of oil sucting valve 51；Row
Oily channel 5b is formed in stator 31, is connected inside one end and oil cylinder 42, and the other end then leads to the gap of cylinder 21 and piston 11,
The lubricating oil O in oil cylinder 42 is sent to the gap of cylinder 21 and piston 11 by the opening and closing of draining valve 52.
The elastic stiffness of the weak spring 4a is much smaller than strong spring 4b, resonant spring 14a, 14b and damping spring 15
Elastic stiffness.
The Linearkompressor course of work with fueller of the present embodiment is described below below:
When providing alternating current to stator coil 33, magnetic field will be generated in the annular gap of stator 31.Due to providing
Electric current be alternating current, the polarity in magnetic field is in cyclically-varying, so that permanent magnet 32a, permanent magnet 32b pass through mover
Skeleton 13 carries out straight reciprocating motion on 21 inner surface of cylinder with frequency identical with provided electric current with piston 11.This
When, gas to be compressed will enter the inside of cylinder 21 by the inlet valve 12 being unlocked and be compressed by piston 11.Wherein
Inlet valve 12 is to move back and forth the internal and external pressure difference generated by piston 11 to open and close.When the pressure in cylinder 21 reaches
When certain value, exhaust valve 22 will be opened in a manner of compression exhaust spring 23, at this point, the high pressure gas through overcompression will be by outer
Outlet discharge on shell 00.Meanwhile when the mover skeleton 13 on the Linearkompressor with fueller carries out linear reciprocation
When movement, it will drive resonant spring 14a, 14b, auxiliary mover 15 and damping spring 16 connected to it and move together, and
In the horizontal direction, a two-freedom vibrational system is just constituted.By the principle of two-freedom vibrational system it is found that when excitation
Frequency is in certain range, the motion phase of mover skeleton 13 and auxiliary mover 15 on the Linearkompressor with fueller
Exactly the opposite, the power acted on shell 00 at this time is cancelled out each other, so that the vibration of the Linearkompressor with fueller
It is dynamic to reduce.Weak spring 4a in this embodiment is connected with auxiliary mover 15, therefore it is dynamic with identical frequency, amplitude and auxiliary
Son 15 moves together.To provide kinetic energy for oily mover 41, it is made to carry out straight reciprocating motion in oil cylinder 42, it thus will be outer
The lubricating oil O of 00 bottom of shell is supplied in the gap of cylinder 21 and piston 11.
Claims (4)
1. a kind of Linearkompressor with fueller, it is characterised in that: the Linearkompressor with fueller
Including shell；It is stored in the lubricating oil of outer casing bottom；Fixed linear electric machine and cylinder inside the shell, wherein linear electric machine is by fixed
Son, coil and permanent magnet are constituted；The piston of straight reciprocating motion is carried out by linear electric motor and in cylinder；The linear electricity of connection
The mover skeleton of permanent magnet and piston on machine；It is connected to the resonant spring on mover skeleton and linear electric machine between stator；It is special
Sign is: the Linearkompressor with fueller further includes fueller；The fueller include oil pump and
Oily channel；Wherein oil pump includes the oil cylinder being fixed on the stator of linear electric machine；The oil being movably located on oil cylinder is dynamic
Son；Strong spring, the weak spring being set to inside and outside oily mover, wherein one end of strong spring is fixed on oily mover, the other end
It is fixed on the stator of linear electric machine, one end of weak spring is fixed on oily mover, and the other end is fixed on mover skeleton；Oil is logical
Road includes suction passage and oil drain passage, and wherein one end of suction passage is immersed in the lubricating oil of outer casing bottom, the other end with
It is connected inside oil cylinder；It is connected inside one end of oil drain passage and oil cylinder, the other end leads to the gap location of cylinder and piston.
2. the Linearkompressor according to claim 1 with fueller, it is characterised in that: the elasticity of the weak spring
Elastic stiffness of the rigidity much smaller than strong spring and resonant spring.
3. a kind of Linearkompressor with fueller, it is characterised in that: the Linearkompressor with fueller
Including shell；It is stored in the lubricating oil of outer casing bottom；Fixed linear electric machine and cylinder inside the shell, wherein linear electric machine is by fixed
Son, coil and permanent magnet are constituted；The piston of straight reciprocating motion is carried out by linear electric motor and in cylinder；The linear electricity of connection
The mover skeleton of permanent magnet and piston on machine；Two are respectively placed in the resonant spring of mover skeleton two sides；Pass through a resonance bomb
The auxiliary mover that spring is connect with mover skeleton；It is connected to shell and assists the damping spring between mover；It is characterized by: described
The Linearkompressor with fueller further include fueller；The fueller includes oil pump and oily channel；Wherein
Oil pump includes the oil cylinder being fixed on the stator of linear electric machine；The oily mover being movably located on oil cylinder；It is set to oil
Strong spring, weak spring inside and outside mover, wherein one end of strong spring is fixed on oily mover, and the other end is fixed on linear electricity
On the stator of machine, one end of weak spring is fixed on oily mover, and the other end is fixed on auxiliary mover；Oily channel includes that oil suction is logical
Road and oil drain passage, wherein one end of suction passage is immersed in the lubricating oil of outer casing bottom, is connected inside the other end and oil cylinder
It is logical；It is connected inside one end of oil drain passage and oil cylinder, the other end leads to the gap location of cylinder and piston.
4. the Linearkompressor according to claim 3 with fueller, it is characterised in that: the elasticity of the weak spring
Elastic stiffness of the rigidity much smaller than strong spring, damping spring and resonant spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372855.7A CN108457840B (en) | 2017-12-19 | 2017-12-19 | A kind of Linearkompressor with fueller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372855.7A CN108457840B (en) | 2017-12-19 | 2017-12-19 | A kind of Linearkompressor with fueller |
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| CN108457840A CN108457840A (en) | 2018-08-28 |
| CN108457840B true CN108457840B (en) | 2019-08-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236605A (en) * | 2018-11-13 | 2019-01-18 | 天津探峰科技有限公司 | Linear compressor |
| CN109653987B (en) * | 2018-12-07 | 2020-06-02 | 天津探峰科技有限公司 | Linear compressor with oil supply device |
| US20210095652A1 (en) * | 2019-09-26 | 2021-04-01 | Haier Us Appliance Solutions, Inc. | Linear compressor and sealed system for an appliance |
| CN110529364A (en) * | 2019-09-30 | 2019-12-03 | 中国科学院理化技术研究所 | A kind of Linearkompressor and its fueller |
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|---|---|---|---|---|
| CN1157028A (en) * | 1995-06-23 | 1997-08-13 | Lg电子株式会社 | Oil supply apparatus for friction portion of linear compressor |
| CN1158386A (en) * | 1995-12-29 | 1997-09-03 | Lg电子株式会社 | Oil supply and discharge apparatus for compressor |
| KR20060086677A (en) * | 2005-01-27 | 2006-08-01 | 엘지전자 주식회사 | Oil pumping apparatus for linear compressor |
| CN104776006A (en) * | 2015-04-09 | 2015-07-15 | 天津探峰科技有限公司 | Linear compressor |
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2017
- 2017-12-19 CN CN201711372855.7A patent/CN108457840B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157028A (en) * | 1995-06-23 | 1997-08-13 | Lg电子株式会社 | Oil supply apparatus for friction portion of linear compressor |
| CN1158386A (en) * | 1995-12-29 | 1997-09-03 | Lg电子株式会社 | Oil supply and discharge apparatus for compressor |
| KR20060086677A (en) * | 2005-01-27 | 2006-08-01 | 엘지전자 주식회사 | Oil pumping apparatus for linear compressor |
| CN104776006A (en) * | 2015-04-09 | 2015-07-15 | 天津探峰科技有限公司 | Linear compressor |
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| CN108457840A (en) | 2018-08-28 |
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