WO2021235036A1 - Compresseur linéaire et réfrigérateur équipé d'un compresseur linéaire et dispositif de suspension d'air équipé d'un compresseur linéaire - Google Patents

Compresseur linéaire et réfrigérateur équipé d'un compresseur linéaire et dispositif de suspension d'air équipé d'un compresseur linéaire Download PDF

Info

Publication number
WO2021235036A1
WO2021235036A1 PCT/JP2021/006823 JP2021006823W WO2021235036A1 WO 2021235036 A1 WO2021235036 A1 WO 2021235036A1 JP 2021006823 W JP2021006823 W JP 2021006823W WO 2021235036 A1 WO2021235036 A1 WO 2021235036A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
armature
piston
linear compressor
compressor
Prior art date
Application number
PCT/JP2021/006823
Other languages
English (en)
Japanese (ja)
Inventor
昌喜 小山
潤之介 中津川
直之 大畠
達也 鈴木
瑛人 大畠
Original Assignee
株式会社日立産機システム
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社日立産機システム filed Critical 株式会社日立産機システム
Publication of WO2021235036A1 publication Critical patent/WO2021235036A1/fr

Links

Images

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
    • 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

Definitions

  • the present invention relates to a linear compressor, a refrigerator equipped with the linear compressor, and an air suspension device equipped with the linear compressor.
  • an air compressor used in a pneumatic device such as a refrigerator compressor or an air suspension is required to be compact and lightweight, and to have low vibration and low noise.
  • reciprocating type compressors that drive the piston directly.
  • Refrigerators and air compressors require high pressure ratio operation and long-term continuous operation, so reciprocating compressors are suitable.
  • reciprocating compressors There are two types of reciprocating compressors: a type that converts the power of a rotary motor into a linear motion using a crank mechanism, and a type that directly reciprocates a piston using a linear motor (linear compressor). In either case, the problem is that the vibration generated by the linear motion of the piston is large.
  • Patent Documents 1 and 2 Regarding the structure for reducing the vibration in the reciprocating compressor, for example, there are the techniques described in Patent Documents 1 and 2.
  • Patent Document 1 discloses a configuration in which a linear motor housed in a closed case and a compression mechanism are arranged.
  • the members on the piston side and the member on the cylinder side forming the compression mechanism are connected to the case by resonance springs, respectively, and the ratio of the spring constants on the piston side and the cylinder side to the mass of the members (spring constant).
  • the resonance frequency of each vibration is matched, and the vibration of the main body is reduced.
  • Patent Document 2 discloses a configuration having two pistons in the same cylinder.
  • two sets of linear motors drive two pistons in opposite phases to cancel out the exciting forces and attenuate the vibration.
  • An object of the present invention is to provide a linear compressor capable of reducing vibration with a simple structure while reducing the size, a refrigerator equipped with the linear compressor, and an air suspension device equipped with the linear compressor. It is in.
  • the present invention comprises a casing constituting the outer shell, a cylinder provided in the casing, a piston reciprocating in the cylinder, an armature including a coil, and a permanent magnet.
  • a field magnet provided, a piston-side elastic body connected to the piston and the casing, and a cylinder-side elastic body connected to the cylinder and the casing, and the mass of the armature and the field magnet is increased.
  • the larger one is mechanically connected to the smaller mass of the piston and the cylinder, and the smaller mass of the armature and the field magnet is to the heavier of the piston and the cylinder. It is characterized by mechanical connection.
  • the mass of the piston or the cylinder mechanically connected to the armature and the mass of the cylinder or the piston mechanically connected to the field magnet are made to be substantially the same. It is characterized by that.
  • the present invention is characterized in that, in a refrigerator equipped with a compressor, the above-mentioned linear compressor is provided as the compressor.
  • the present invention is an air suspension device including an air spring and an air compressor that supplies and discharges compressed air to and from the air spring, and the above-mentioned linear compressor is provided as the air compressor. It is characterized by.
  • a linear compressor capable of reducing vibration with a simple structure while achieving miniaturization
  • a refrigerator equipped with the linear compressor
  • an air suspension device equipped with the linear compressor. Can be done.
  • the compressor according to the first embodiment is a reciprocal compressor (linear compressor) using a direct-acting linear motor, and is a compressor suitable for use as a refrigerator compressor and an air compressor.
  • FIG. 1 is a cross-sectional view showing the configuration of the linear compressor according to the first embodiment of the present invention.
  • the linear compressor is via a linear motor composed of a field magnet 4 and an armature 5, a compression mechanism having a piston 8 and a cylinder 9, a spring 6 connected to the field magnet 4, a cylinder 9 and a cylinder head 10. It is configured to include a spring 7 connected to the armature 5.
  • the linear motor causes the field magnet 4 to reciprocate in the axial direction with respect to the armature 5 by passing an electric current through the coil 5B of the armature 5, and causes the piston 8 of the compression mechanism to move in the same direction as the field magnet 4. Drive.
  • the armature 5 reciprocates in the direction opposite to the field magnet 4 due to the reaction force, and drives the cylinder 9 of the compression mechanism unit in the same direction as the armature 5.
  • the piston 8 reciprocates in the cylinder 9 to compress the air (refrigerant) in the compression chamber.
  • the linear motor is provided as a drive source for the compression mechanism of the linear compressor.
  • the linear motor includes a casing 3 constituting a tubular outer shell, an armature 5 arranged in the casing 3, a flat plate-shaped field magnet 4 having flat surfaces in the vertical direction in the Z direction, and a spring 6, a spring 6. 7 and are included. That is, the linear motor exerts a magnetic force between the field element 4 which is connected to the piston 8 and reciprocates, the spring 6 which can vibrate (resonate) with the field element 4, and the field element 4.
  • An armature 5 that drives the coil 4 and further drives itself in the opposite direction by a reaction force, a cylinder 9 that is connected to the armature 5 and reciprocates, and a spring 7 that can vibrate (resonate) with the armature 5. Consists of including.
  • the spring 6 drives the piston 8 together with the field magnet 4, and the spring 7 drives the cylinder 9 together with the armature 5.
  • the casing 3 of the linear motor has an air suction port 1 at one end and an air discharge port 2 at the other end.
  • the spring 6 is located on one end side of the field magnet 4 and is provided in the casing 3.
  • the spring 7 is provided so that one end side is supported by a cylinder head 10 connected to a cylinder 9 connected to an armature 5, and the other end side is connected to a casing 3.
  • the spring 6 functions as a piston-side elastic body connected to the piston 8 and the casing 3
  • the spring 7 functions as a cylinder-side elastic body connected to the cylinder 9 and the casing 3.
  • the field magnet 4 is basically composed of a yoke 4B and a magnet 4A (permanent magnet), and is connected to the piston 8.
  • the armature 5 is basically composed of a core 5A and a coil 5B, and is connected to the cylinder 9.
  • the field magnet 4 By passing a current through the coil 5B of the armature 5, the field magnet 4 reciprocates in the X-axis direction, and the armature 5 is opposite to the field magnet 4 due to the magnetic force acting between the field magnet 4 and the field magnet 4. It reciprocates in the direction.
  • the spring 6 and the spring 7 are elastically flexed and deformed so as to be alternately compressed and expanded and contracted in the X-axis direction.
  • the guide 14 guides the reciprocating motion of the field element 4 in the X-axis direction.
  • the compression mechanism portion of the linear compressor of the first embodiment includes a cylinder 9, a piston 8, a suction valve 11, a cylinder head 10, a discharge valve 12, and the like.
  • the compression mechanism is driven so that the piston 8 and the cylinder 9 reciprocate relatively in the X-axis direction by the reciprocating movement of the field magnet 4 and the armature 5, whereby air (refrigerator) is reciprocated in the compression chamber. ) Is compressed to generate compressed air (high pressure refrigerant).
  • the cylinder 9 is attached with one end side (opposite side of the armature 5) closed by the cylinder head 10 and the other end side fixed to the armature 5.
  • the cylinder 9 is formed in a cylindrical shape using, for example, an aluminum material.
  • the piston 8 is slidably inserted in the cylinder 9 in the X-axis direction.
  • the piston 8 constitutes a compression chamber in the cylinder 9, and a rider ring 13 is provided on the outer periphery of the piston 8 to guide linear motion and suppress leakage of compressed air in the compression chamber. Has been done.
  • the rider ring 13 is made of a material such as polytetrafluoroethylene (PTFE).
  • the suction valve 11 is provided on the piston 8.
  • a discharge hole 9B communicating with the compression chamber and a discharge valve 12 that covers the discharge hole 9B so as to be openable and closable are provided.
  • the suction valve 11 opens a suction hole 8B in the suction stroke of the compression mechanism portion to communicate the compression chamber with the suction pressure space, and closes the suction hole 8B in the compression stroke to shut off the compression chamber from the suction pressure space.
  • the discharge valve 12 closes the discharge hole 9B in the suction stroke of the compression mechanism unit to shut off the compression chamber from the discharge space, and opens the discharge hole 9B in the compression stroke to enter the compression chamber in the cylinder head 10. Communicate with the discharge space.
  • the cylinder head 10 is provided with a stretchable discharge pipe 2B that communicates with the discharge space 19 and is connected to a discharge port 2 provided in the casing 3.
  • an air suction port 1 is provided on the other end side of the casing 3.
  • the suction port 1 sucks air into the internal space of the casing 3 from the outside in the suction stroke of the compression mechanism unit. Therefore, the inside of the casing 3 is always a suction pressure space.
  • a silencer or an intake filter may be connected to the suction port 1 on the outer side of the casing 3.
  • the vibration of the linear compressor in the first embodiment is characterized in that the driving direction of the piston 8 (that is, the X-axis direction) is the largest, and the vibration in the other directions (Y-axis and Z-axis directions) is small. This is because the linear motor is driven only in the X-axis direction, so that the exciting force acts in the X-axis direction.
  • the armature 5 of the linear motor that serves as the exciting force is the magnetic force that acts between the armature 5 and the field magnet 4, and the compression reaction force of the compression mechanism is the armature 5 and the cylinder 9 and cylinder head connected to the armature 5.
  • the armature-side drive body such as 10 and the field-side drive body such as the field magnet 4 and the piston connected to the field magnet 4 and the suction valve 11 always act in opposite directions with the same size. That is, the armature-side drive body and the field-side drive body always try to reciprocate in opposite directions.
  • the field drive body Since the field drive body is connected to the spring 6 and the armature side drive body is connected to the spring 7, it vibrates at a resonance frequency determined by the respective masses and spring constants.
  • the resonance frequencies are matched and the field-side drive body and the armature-side drive body have the same mass, the respective vibration forces are canceled out, the vibration force with respect to the casing 3 becomes zero, and the vibration force in the X-axis direction becomes zero. There is no vibration.
  • FIG. 2 is a diagram showing the effect of having the same mass on vibration reduction.
  • the vertical axis of the figure shows the vibration acceleration
  • the horizontal axis shows the mass increase ratio of the field-side drive body to the mass of the armature-side drive body.
  • the mass increase ratio of the field-side drive body to the mass of the armature-side drive body is 10% or less, and the vibration acceleration is 1 m / s 2 or less.
  • the armature-side drive body is intended to be a combination of the armature 5 and the piston 8 or the cylinder 9 mechanically connected to the armature 5, and the field-side drive body is the field magnet 4 and It is intended to be a combination of a cylinder 9 or a piston 8 mechanically connected to the field armature 4.
  • the field-side drive body and the armature-side drive body must have the same mass.
  • the armature 5 and the field magnet 4 having the larger mass are mechanically connected to the piston 8 and the cylinder 9 having the smaller mass, and the armature 5 and the field magnet 4 have the mass. Whichever is smaller is mechanically connected to the piston 8 and the cylinder 9 which have the larger mass. Then, the mass of the armature 5 and the piston 8 or the piston 9 mechanically connected to the armature 5 and the mass of the field magnet 4 and the cylinder 9 or the piston 8 mechanically connected to the field magnet 4 are combined. Make it almost the same.
  • the piston 8, the suction valve 11, and the rider ring 13 are connected to the field magnet 4, and the cylinder 9, the cylinder head 10, and the discharge valve 12 are connected to the armature 5.
  • the field magnet 4 has a large yoke 4B and a large spring receiving component 4C connected to the spring 6 to increase the overall mass, and the field magnet side drive body and the armature side drive body have the same mass. I have to.
  • the mass is mainly adjusted by the spring receiving part 4C, and the size is adjusted.
  • the spring receiving component 4C functions as an adjusting component for adjusting the mass.
  • the compressor according to the second embodiment is a reciprocating compressor (linear compressor) using a direct-acting linear motor.
  • FIG. 3 is a cross-sectional view showing the configuration of the linear compressor according to the second embodiment of the present invention.
  • the configuration of the linear compressor is basically the same as the configuration of FIG. 1 shown in the first embodiment, but the piston 8, the suction valve 11, and the rider ring 13 are connected to the armature 5 and the field magnet 4 is connected.
  • the cylinder 9, the cylinder head 10, and the discharge valve 12 are connected.
  • the linear motor is a type of motor in which the armature 5 is arranged inside the field magnet 4.
  • an armature having a core made of an electromagnetic steel plate has a larger mass than a field magnet, and a cylinder covering the outside and parts attached to the cylinder have a larger mass than a piston arranged inside the cylinder.
  • the armature side drive body and the armature side drive body have the same mass, and the armature and the field magnet have the larger mass so as not to increase the total mass as much as possible. Is combined with the cylinder and cylinder accessories and the piston and piston accessories with the smaller mass.
  • the field-side drive body is supported by the spring 6 via the cylinder head 10
  • the armature-side drive body is supported by the spring 7 via the spring receiving component 5D.
  • the spring 6 functions as a cylinder-side elastic body connected to the cylinder 9 and the casing 3
  • the spring 7 functions as a piston-side elastic body connected to the piston 8 and the casing 3.
  • the spring receiving component 5D functions as an adjusting component for adjusting the mass.
  • the field magnet 4 is composed of a magnet 4A and a yoke 4B constituting a magnetic path, and the mass is adjusted according to the size of the yoke 4B. Further, the core 5A is arranged in the coil 5B of the armature 5, and the periphery is a frame 5C made of a non-magnetic material.
  • the second embodiment it is possible to almost eliminate vibration without increasing the total mass of the compressor, and it is possible to provide a lightweight linear compressor that suppresses noise and vibration.
  • the compressor according to the third embodiment is a reciprocating compressor (linear compressor) using a direct-acting linear motor.
  • FIG. 4 and 5 are cross-sectional views showing the configuration of the linear compressor according to the third embodiment of the present invention.
  • FIG. 4 is a cross-sectional view seen from the Y-axis direction
  • FIG. 5 is a cross-sectional view seen from the Z-axis direction.
  • the configuration of the linear compressor and the linear motor is basically the same as the configuration of FIG. 3 shown in the second embodiment.
  • the armature 5 is connected to the piston 8, the suction valve 11, and the rider ring 13, and the field magnet is used.
  • the cylinder 9, the cylinder head 10, and the discharge valve 12 are connected to 4, but the spring 6 connected to the field-side drive body is a leaf spring.
  • the spring 6 is provided at the connection portion between the cylinder 9 and the field magnet 4 and at the opposite end of the field magnet 4 on the opposite side of the cylinder.
  • the spring 6 functions as a cylinder-side elastic body connected to the cylinder 9 and the casing 3
  • the spring 7 functions as a piston-side elastic body connected to the piston 8 and the casing 3.
  • the field magnet 4 is composed of a magnet 4A and a yoke 4B constituting a magnetic path, and the mass is adjusted according to the size of the yoke 4B. Since the thickness of the yoke 4B (Z direction) is suppressed to be thinner than the width of the magnet 4A (Y direction) from the viewpoint of the total weight, the linear motor has a flat shape as a whole. Therefore, since the space in the vertical direction of the linear motor with respect to the casing 3 becomes large, a spring 6 for connecting to the field magnet 4 is provided in this space, and the casing 3 can be made smaller and shorter without using a coil spring having a large physique. I am trying.
  • the third embodiment it is possible to reduce the shape of the compressor, to provide a compact and lightweight linear compressor in which vibration is almost zero and noise and vibration are suppressed. can.
  • the compressor according to the fourth embodiment is a reciprocating compressor (linear compressor) using a direct-acting linear motor.
  • FIG. 6 and 7 are cross-sectional views showing the configuration of the linear compressor according to the fourth embodiment of the present invention.
  • FIG. 6 is a cross-sectional view seen from the Y-axis direction
  • FIG. 7 is a cross-sectional view seen from the Z-axis direction.
  • the configuration of the linear motor is basically the same as the configurations of FIGS. 4 and 5 shown in the third embodiment, and is a type of motor in which the armature 5 is arranged inside the field magnet 4.
  • the field magnet 4 is connected to the piston 8, the suction valve 11, and the rider ring 13, and the armature 5 is connected to the cylinder 9, the cylinder head 10, and the discharge valve 12.
  • the spring 7 connected to the armature side drive body via the spring receiving component 5D is also a leaf spring, and no coil spring is used.
  • the spring receiving component 5D functions as an adjusting component for adjusting the mass.
  • the spring receiving component 5D functions as an adjusting component for adjusting the mass.
  • the field magnet 4 is composed of a magnet 4A and a yoke 4B constituting a magnetic path, and the mass is adjusted according to the size of the yoke 4B. Since the thickness of the yoke 4B (Z direction) is suppressed to be thinner than the width of the magnet 4A (Y direction) from the viewpoint of the total weight, the linear motor has a flat shape as a whole.
  • the cylinder 9 and the piston 8 have a cylindrical shape, they are connected to the field magnet 4 and the armature 5 from either the top, bottom, left or right in the circumferential direction.
  • the armature 5 and the piston 8 are connected to each other in the cross section seen from the Y-axis direction in FIG. 6, and are connected to the spring 6 at both ends of the field magnet 4.
  • the armature 5 and the cylinder 9 are connected in a cross section seen from the Z-axis direction in FIG. 7.
  • the spring 7 connected to the armature side drive body is not visible from this cross section, and is connected to one end of the armature 5 and one end of the cylinder head in the same direction as the spring 6 in the direction of FIG.
  • the casing 3 is made smaller and shorter without using a coil spring having a large body shape.
  • the spring 6 functions as a piston-side elastic body connected to the piston 8 and the casing 3
  • the spring 7 functions as a cylinder-side elastic body connected to the cylinder 9 and the casing 3.
  • FIG. 8 is a diagram showing the configuration of the refrigerator according to the fifth embodiment.
  • the same reference numerals are given to the same configurations as those of Examples 1 to 4, and the description thereof will be omitted.
  • the refrigerator 21 is provided with a left-right split refrigerating room door 22a on the front side of the refrigerating room 22, and is located on the front side of the ice making room 23, the upper freezing room 24, the lower freezing room 25, and the vegetable room 26.
  • Each is provided with a pull-out type ice making room door 23a, an upper freezing room door 24a, a lower freezing room door 25a, and a vegetable room door 26a.
  • a machine room 30 is provided on the back side of the vegetable room 26, and a compressor 29 is arranged in the machine room 30. Further, an evaporator chamber 28 is provided on the back side of the ice making chamber 23, the upper freezing chamber 24, and the lower freezing chamber 25, and the evaporator 27 is provided in the evaporator chamber 28.
  • a radiator (not shown), a capillary tube as a depressurizing means, a three-way valve, and the like are connected by a refrigerant pipe to form a refrigerating cycle.
  • Example 5 the linear compressor according to any one of Examples 1 to 4 described above is adopted as the compressor 29 constituting the refrigerating cycle of the refrigerator 21.
  • the compressor of the fourth embodiment may be adopted as the compressor 29.
  • the compressor which is the vibration source of the refrigerator, can be made vibration-free and vibrates. It is possible to remove anti-vibration materials and shielding materials to reduce noise, and it is possible to suppress the enlargement of the compressor 29 that constitutes the freezing cycle, and secure a large space for the refrigerating room and freezing room. It becomes possible to provide a large-capacity refrigerator without increasing the external dimensions.
  • FIG. 9 is a configuration diagram of an air suspension device for a vehicle using a linear compressor according to a sixth embodiment of the present invention.
  • the vehicle body 32 constitutes the body of the vehicle 31. On the lower side of the vehicle body 32, a total of four wheels 33 including left and right front wheels and left and right rear wheels are provided.
  • an air suspension device 34 using air is provided as a shock absorber for alleviating an impact during traveling.
  • the air suspension device 34 includes four air springs 35 provided between the vehicle body 32 and each wheel 33, an air compressor 36 (linear compressor), a valve unit 38, and a controller 40. There is. Then, the air suspension device 34 adjusts the vehicle height by supplying and discharging compressed air from the air compressor 36 to each air spring 35.
  • Example 6 the linear compressor of Example 4 is used as the air compressor 36.
  • the air compressor 36 is connected to the valve unit 38 through a supply / exhaust pipe line (pipe) 37.
  • the valve unit 38 is provided with four supply / discharge valves 38a made of solenoid valves provided for each wheel 33.
  • a branch pipeline (pipe) 39 is provided between the valve unit 38 and the air spring 35 of each wheel 33.
  • the air spring 35 is connected to the air compressor 36 via the branch line 39, the supply / discharge valve 38a, and the supply / discharge line 37.
  • the valve unit 38 opens and closes the supply / discharge valve 38a in response to a signal from the controller 40 to supply / discharge compressed air to each air spring 35 and adjust the vehicle height.
  • the sixth embodiment it is possible to suppress the enlargement of the air compressor 36 constituting the air suspension device 34. Then, the mounting space of the air compressor 36 in the vehicle 31 can be reduced, and the degree of freedom in arranging the air compressor 36 is increased.
  • the type of the compressor is a reciprocating type compressor (referred to as a linear compressor) using a linear motor among the reciprocating type (reciprocating type) compressors, and the crank mechanism is used.
  • the compressor linear compressor
  • the compressor can be made smaller and lighter without the need for.
  • the vibration isolation mechanism in the mount structure mounted on the vehicle can be omitted, and the compressor is easy to use and does not require a complicated vibration isolation mechanism.
  • the present invention is not limited to the above-described embodiments, but includes various modifications.
  • the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the configurations.
  • it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment and it is also possible to add the configuration of another embodiment to the configuration of one embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)

Abstract

L'objet de la présente invention est de fournir un compresseur linéaire avec lequel il est possible de réduire le bruit et d'améliorer la fiabilité tout en réduisant sa taille.　Le compresseur linéaire de la présente invention est pourvu : d'un boîtier (3) ; d'un cylindre (9) disposé à l'intérieur du boîtier (3) ; d'un piston (8) qui effectue un mouvement de va-et-vient à l'intérieur du cylindre (9) ; d'un induit (5) ; d'un élément de champ magnétique (4) ; d'un ressort (6) relié au piston (8) et au boîtier (3) ; et d'un ressort (7) relié au cylindre (9) et au boîtier (3). Parmi l'induit (5) et l'élément de champ magnétique (4), celui qui a la masse la plus élevée est mécaniquement relié à l'un parmi le piston (8) et le cylindre (9) ayant la plus petite masse et l'un parmi l'induit (5) et l'élément de champ magnétique (4) ayant la plus petite masse est relié mécaniquement à l'un parmi le piston (8) et le cylindre (9) ayant la masse la plus grande. En outre, l'induit (5) et le piston (8) ou le cylindre (9) qui est mécaniquement relié à l'induit (5) et l'élément de champ magnétique (4) et le cylindre (9) ou le piston (8) qui est mécaniquement relié à l'élément de champ magnétique (4) ont sensiblement le même poids.
PCT/JP2021/006823 2020-05-20 2021-02-24 Compresseur linéaire et réfrigérateur équipé d'un compresseur linéaire et dispositif de suspension d'air équipé d'un compresseur linéaire WO2021235036A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020087928A JP2021181774A (ja) 2020-05-20 2020-05-20 リニア圧縮機及びこのリニア圧縮機を備えた冷蔵庫、並びにリニア圧縮機を備えたエアサスペンション装置
JP2020-087928 2020-05-20

Publications (1)

Publication Number Publication Date
WO2021235036A1 true WO2021235036A1 (fr) 2021-11-25

Family

ID=78606195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/006823 WO2021235036A1 (fr) 2020-05-20 2021-02-24 Compresseur linéaire et réfrigérateur équipé d'un compresseur linéaire et dispositif de suspension d'air équipé d'un compresseur linéaire

Country Status (2)

Country Link
JP (1) JP2021181774A (fr)
WO (1) WO2021235036A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002339863A (ja) * 2001-05-15 2002-11-27 Showa Electric Wire & Cable Co Ltd リニアコンプレッサ
JP2004353563A (ja) * 2003-05-29 2004-12-16 Matsushita Electric Ind Co Ltd リニア圧縮機
JP2009533604A (ja) * 2006-04-18 2009-09-17 ワールプール・エシ・ア リニア圧縮機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002339863A (ja) * 2001-05-15 2002-11-27 Showa Electric Wire & Cable Co Ltd リニアコンプレッサ
JP2004353563A (ja) * 2003-05-29 2004-12-16 Matsushita Electric Ind Co Ltd リニア圧縮機
JP2009533604A (ja) * 2006-04-18 2009-09-17 ワールプール・エシ・ア リニア圧縮機

Also Published As

Publication number Publication date
JP2021181774A (ja) 2021-11-25

Similar Documents

Publication Publication Date Title
KR101308115B1 (ko) 리니어 압축기
US7614251B2 (en) Reciprocating compressor and refrigerator having the same
JP4819374B2 (ja) リニア圧縮機
US7901192B2 (en) Two stage reciprocating compressor and refrigerator having the same
KR101766242B1 (ko) 왕복동식 압축기
JP2005195023A (ja) 外部防振構造を有するリニア圧縮機
CN102985694B (zh) 往复式压缩机
KR102280431B1 (ko) 압축기
US4721440A (en) Linear gas compressor
WO2021235036A1 (fr) Compresseur linéaire et réfrigérateur équipé d'un compresseur linéaire et dispositif de suspension d'air équipé d'un compresseur linéaire
KR101856281B1 (ko) 왕복동식 압축기
KR101766245B1 (ko) 왕복동식 압축기
KR101484539B1 (ko) 밀폐형 압축기 및 이를 구비한 냉동기기
WO2019017028A1 (fr) Moteur linéaire du type alternatif
KR20100132277A (ko) 리니어 압축기
US11434887B2 (en) Linear compressor with suction guide and suction muffler
JP2002339863A (ja) リニアコンプレッサ
WO2021124625A1 (fr) Absorbeur de vibrations dynamique, compresseur linéaire et compresseur à piston équipés d'un absorbeur de vibrations dynamique, et dispositif de suspension pneumatique équipé d'un compresseur linéaire
JP7199239B2 (ja) リニア圧縮機
KR102271808B1 (ko) 압축기
KR20190031828A (ko) 리니어 압축기
KR101480239B1 (ko) 리니어 압축기
CN113123943B (zh) 压缩机
KR100851013B1 (ko) 2단 왕복동식 압축기 및 그를 구비한 냉장고
KR100847484B1 (ko) 왕복동식 압축기

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21808258

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21808258

Country of ref document: EP

Kind code of ref document: A1