WO2017195576A1 - Compresseur de type à pistons - Google Patents

Compresseur de type à pistons Download PDF

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Publication number
WO2017195576A1
WO2017195576A1 PCT/JP2017/016080 JP2017016080W WO2017195576A1 WO 2017195576 A1 WO2017195576 A1 WO 2017195576A1 JP 2017016080 W JP2017016080 W JP 2017016080W WO 2017195576 A1 WO2017195576 A1 WO 2017195576A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
compressor
drive shaft
support plate
pump chamber
Prior art date
Application number
PCT/JP2017/016080
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English (en)
Japanese (ja)
Inventor
和弘 真島
心吾 星崎
Original Assignee
株式会社コガネイ
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 株式会社コガネイ filed Critical 株式会社コガネイ
Publication of WO2017195576A1 publication Critical patent/WO2017195576A1/fr

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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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/02—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
    • 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
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids

Definitions

  • the present invention relates to a piston type compressor for compressing a gas such as air by reciprocating movement of a piston.
  • Compressors used to compress gas such as air include a piston type in which the pump chamber is expanded and contracted by reciprocating movement of the piston.
  • Patent Document 1 describes a piston type compressor having four pistons. The compressor has a piston case, and four cylinder holes into which the pistons are incorporated are provided in the piston case, and the four cylinder holes are arranged in a cross shape on the same plane. A cam member disposed at the center of the four cylinder holes is provided on the drive shaft. A main shaft of an electric motor for rotationally driving the drive shaft is connected coaxially with the drive shaft.
  • Patent Document 2 describes a reciprocating compressor including four cylinders each provided with a piston. In this reciprocating compressor, four pistons are provided in a cylinder while being shifted in the axial direction on an eccentric shaft fixed to a motor shaft.
  • Patent Document 3 describes a pump mechanism including two pumps.
  • the two pumps are mounted on the surface side of the base so that the pump rotating shaft is parallel to the base, and an electric motor is mounted on the back side of the base.
  • a belt is stretched between a drive wheel attached to the drive shaft of the electric motor and a pulley attached to each pump shaft, and the belt passes through a through hole provided in the base.
  • Patent Document 4 describes a reciprocating compressor including a compressor body attached to an air tank. In this reciprocating compressor, the compressor body and the electric motor are attached to the air tank in parallel with each other, a drive pulley attached to the drive shaft of the motor, and a driven pulley attached to the crankshaft of the compressor body A belt is stretched around.
  • Patent Document 5 describes a belt guard set for a belt-driven reciprocating compressor.
  • the compressor body and the electric motor are attached to a base or the like in parallel with each other.
  • a V-belt is stretched between a flywheel pulley attached to the drive shaft of the reciprocating compressor and a motor pulley, and a belt guard set covering each pulley and V-belt is divided into modules. And resin molding.
  • An object of the present invention is to reduce the size and thickness of a piston type compressor.
  • a piston type compressor of the present invention drives a cylinder block provided with a plurality of pistons for expanding and contracting a pump chamber, an adapter provided with an intake communication hole and a discharge communication hole communicating with the pump chamber, and the piston.
  • a piston-type compressor including a compressor assembly having a drive shaft, wherein the main shaft of the electric motor that drives the drive shaft and the drive shaft penetrate, and the compressor assembly and the electric motor are mounted on the surface side A support plate, a power transmission mechanism that is disposed on the back side of the support plate and transmits the rotation of the main shaft to the drive shaft, and is attached to the back surface of the support plate and communicates with the discharge communication hole.
  • a flow path member for guiding the gas discharged from the pump chamber to the outside.
  • the compressor assembly and the electric motor are mounted on the surface side of the support plate, and the power transmission mechanism for transmitting the rotation of the main shaft of the electric motor to the drive shaft of the compressor assembly is arranged on the back side of the support plate.
  • the thickness dimension of the piston compressor in the direction perpendicular to the plate can be reduced. Thereby, a piston type compressor can be reduced in size and thickness.
  • FIG. 6 is an enlarged sectional view taken along line AA in FIG.
  • FIG. 6 is a sectional view taken along line BB in FIG.
  • FIG. 4 is an enlarged sectional view taken along line CC in FIG. 3.
  • FIG. 9 is a perspective view of the compressor assembly shown in FIG. 8.
  • A) is the D section enlarged front view in FIG. 3
  • B) is a side view of the arrow E direction of (A).
  • FIG. 11A is a cross-sectional view taken along the line HH in FIG. 11B
  • FIG. 11B is a cross-sectional view taken along the line II in FIG.
  • FIG. 15 is a perspective view of FIG. 14. It is a perspective view which shows the 1st surface side of the piston type compressor which is other embodiment. It is a perspective view which shows the 2nd surface side of FIG. It is a front view which shows the 1st surface side of FIG.
  • FIG. 17 is a left side view of FIG. 16.
  • FIG. 21 is a sectional view taken along line KK in FIG. 20. It is the LL sectional view taken on the line in FIG.
  • FIG. 19 is a sectional view taken along line MM in FIG.
  • the piston compressor 10 a has a rectangular support plate 11.
  • the compressor assembly 12 and the electric motor 13 are mounted on the first surface 11 a side of the support plate 11.
  • the electric motor 13 is an outer rotor type, and the main shaft 14 of the electric motor 13 passes through the support plate 11 and protrudes toward the second surface 11b of the support plate 11, and a drive pulley 15 as a drive side rotating body is provided with the main shaft 14. It is fixed to the tip.
  • the drive shaft 16 of the compressor assembly 12 passes through the support plate 11 and protrudes toward the second surface 11b, and a driven pulley 17 as a driven side rotating body is fixed to the tip of the drive shaft 16.
  • the support plate 11 has a first surface 11a on which the compressor assembly 12 and the electric motor 13 are mounted as a front surface and an opposite second surface 11b as a back surface.
  • a timing belt 18 as a power transmission member is stretched between the drive pulley 15 and the driven pulley 17, and the drive shaft 16 is rotationally driven by the electric motor 13 via the timing belt 18.
  • Both the driving pulley 15 and the driven pulley 17 and the timing belt 18 are disposed on the back side of the support plate 11. Both pulleys and the timing belt 18 form a power transmission mechanism 19 for transmitting the rotational torque of the main shaft 14 of the electric motor 13 to the drive shaft 16.
  • the flow path member 20 is attached to the back surface of the support plate 11. As shown in FIG. 4, the flow path member 20 includes a parallel portion 20 a extending along the left and right sides of the support plate 11 so as to surround the driven pulley 17, and one end portion of these parallel portions 20 a.
  • the flow path member 20 includes two parallel portions 20a and one connecting portion 20b.
  • a flow path for guiding the gas discharged from the compressor assembly 12 to the outside is provided in the flow path member 20.
  • the flow path member 20 is formed of a member having a rectangular cross section, and the strength of the support plate 11 is increased by attaching the flow path member 20 to the support plate 11. Thereby, the support plate 11 can be comprised with a thin board
  • the compressor assembly 12 includes a cylinder block 21, and the cylinder block 21 has a hexagonal outer peripheral surface.
  • a cam housing chamber 22 is provided at the center of the cylinder block 21, and a cam member 23 is incorporated into the cam housing chamber 22.
  • the cam member 23 is attached to the drive shaft 16, and the cam member 23 is rotationally driven by the drive shaft 16.
  • the rotation center axis O of the drive shaft 16 is perpendicular to the support plate 11, and the drive shaft 16 is attached to protrude on the back side of the support plate 11.
  • Six cylinder holes 24 are provided in the cylinder block 21 in a direction crossing the cam housing chamber 22.
  • the cylinder holes 24 are provided in the cylinder block 21 at intervals of 60 degrees in the direction along the outer peripheral surface of the cylinder block 21. Of the six cylinder holes 24, two cylinder holes 24 provided coaxially form a pair, and three pairs of cylinder holes 24 are provided in the cylinder block 21.
  • the center axis of the cylinder hole 24 is orthogonal to the rotation center axis O of the drive shaft 16.
  • the inner end of the cylinder hole 24 communicates with the cam housing chamber 22, and the outer end opens on the outer peripheral surface of the cylinder block 21.
  • the cylinder block 21 has six mounting surfaces 25, and the outer end of the cylinder hole 24 is open to the mounting surface 25.
  • the adapter 26 is attached to each mounting surface 25 by a screw member 27.
  • the adapter 26 includes a magnet holder 28 that is in contact with the mounting surface 25 and a flow path plate 29 that is attached to the magnet holder 28.
  • the magnet holder 28 and the flow path plate 29 are each formed of a nonmagnetic material such as resin or aluminum alloy.
  • Pistons 31 are reciprocally mounted in the respective cylinder holes 24, and the cylinder block 21 has six pistons 31.
  • the piston 31 is made of a nonmagnetic material such as resin or aluminum alloy.
  • the top of the piston 31 faces the adapter 26, and the bottom of the piston 31 faces the cam member 23.
  • the pump chamber 32 is defined by the piston 31 and the magnet holder 28 of the adapter 26. When the piston 31 moves toward the adapter 26, the pump chamber 32 contracts, and when the piston 31 moves toward the cam member 23, the pump chamber 32 expands.
  • a piston magnet 33 made of a permanent magnet is embedded in the top of each piston 31.
  • the piston magnet 33 has an opposing surface that is exposed at the top of the piston 31 and faces the adapter 26.
  • An adapter magnet 34 made of a permanent magnet is provided on the magnet holder 28.
  • the adapter magnet 34 constitutes a magnetic force generating member, is embedded in the magnet holder 28, and has a facing surface that is exposed on the inner surface of the magnet holder 28 and faces the exposed surface of the piston magnet 33.
  • the adapter magnet 34 has a rectangular bar shape and is arranged in parallel to the drive shaft 16.
  • the shape of the adapter magnet 34 is not limited to a rectangular bar shape, and may be a cylindrical shape or an ellipse.
  • the facing surface of the adapter magnet 34 has the same polarity as the facing surface of the piston magnet 33.
  • the adapter magnet 34 applies a magnetic force repelling the piston magnet 33 and applies a thrust force in the direction of expanding the pump chamber 32 to the piston 31.
  • the rotating body 35 is rotatably mounted on the bottom of each piston 31.
  • the rotating body 35 is supported by a support pin 36 attached to the piston 31.
  • a ball bearing is used, and it has an inner annular member fixed to the support pin 36 and an outer annular member that is rotatably mounted on the outside via a large number of balls. .
  • the cam surface 37 is provided on the outer peripheral surface of the cam member 23, and the cam surface 37 is in rolling contact with the outer peripheral surface of the rotating body 35. As shown in FIG. 6, the cam surface 37 has two major axis portions with a maximum radius and two minor axis portions with a minimum radius, and has a shape such that the movement trajectory of the piston 31 becomes a sine curve. .
  • the cam member 23 is rotationally driven by the drive shaft 16
  • the piston 31 reciprocates between a position closest to the adapter 26 and a position farthest away from the adapter 26.
  • the drive shaft 16 is rotatably supported by a bearing 38 attached to the cylinder block 21.
  • FIG. 6 two pistons 31 (a) and 31 (b), which are marked with parentheses a and b, are paired, and the rotating bodies of the two pistons 31 (a) and 31 (b) A state in which 35 is in rolling contact with the long diameter portion of the cam surface 37 is shown. At this time, the two pistons 31 (a) and 31 (b) are closest to the adapter 26. When the piston 31 moves toward the closest position, the two pistons 31 (a) and 31 (b) move toward the adapter 26 against the repulsive force between the piston magnet 33 and the adapter magnet 34. The pump chamber 32 is contracted.
  • the paired pistons 31 move toward the outside at the same time or two at the same time toward the inside at the same time, the centers of gravity of the two pistons 31 that form a pair maintain a fixed position without being eccentric. Therefore, the dynamic balance of the six pistons 31 is increased, and it becomes possible to operate at high speed while suppressing the occurrence of vibration.
  • each piston 31 can be driven by one cam member 23. Further, each piston 31 reciprocates in the direction perpendicular to the drive shaft 16. Accordingly, the dimension of the cylinder block 21 in the direction of the drive shaft 16 can be reduced. Thus, since a desired pump chamber volume can be obtained by the small cylinder block 21, the compressor 10a can be miniaturized.
  • the electric motor 13 is an outer rotor type, and the thickness dimension of the electric motor 13 in the axial direction of the main shaft 14 is close to the thickness dimension of the cylinder block 21 as shown in FIG.
  • the compressor assembly 12 is disposed on the outer side in the radial direction of the electric motor 13 and mounted on the surface side of the support plate 11, and the drive shaft 16 and the main shaft 14 are disposed in parallel to penetrate the support plate 11.
  • the power transmission mechanism 19 is disposed on the back side of the support plate 11. Therefore, unlike the embodiment in which the drive shaft 16 and the main shaft 14 are arranged coaxially, in the present invention, since the axial dimension of the drive shaft 16 of the compressor 10a, that is, the thickness dimension is small, the compressor 10a is reduced in size and thickness. Can be
  • the diameters of the drive pulley 15 and the driven pulley 17 different, it is possible to assemble various types of compressors 10a having different rotational speeds and rotational torques of the drive shaft 16 without changing the motor rotational speed.
  • a V belt or a flat belt can be used, or a chain can be used.
  • a sprocket is used as a rotating body instead of the driving pulley 15 and the driven pulley 17.
  • FIG. 10 (A) is an enlarged front view of the D portion in FIG.
  • FIG. 10B is a side view showing the outer surface of the adapter 26 viewed from the direction of arrow E in FIG.
  • FIG. 11A is a cross-sectional view taken along line FF in FIG. 10B and shows a cross section of the adapter 26.
  • FIG. 11B is a cross-sectional view taken along the line GG in FIG. 11A and shows the inner surface of the magnet holder 28.
  • 12A is a cross-sectional view taken along the line HH in FIG. 11B
  • FIG. 12B is a cross-sectional view taken along the line II in FIG.
  • the adapter 26 (a) in which the symbol a is shown in parentheses faces the piston 31 (a) shown in FIGS. 6 and 8, and the adapter 26 ( b) faces the piston 31 (b).
  • an intake hole 41 and a discharge hole 42 communicating with the pump chamber 32 are provided in the magnet holder 28, respectively.
  • the intake hole 41 communicates with an intake communication hole 43 provided in the flow path plate 29, and the discharge hole 42 communicates with a discharge communication hole 44 provided in the flow path plate 29.
  • the intake communication hole 43 and the discharge communication hole 44 open on the attachment surface 45 of the flow path plate 29 as shown in FIG.
  • the attachment surface 45 is attached in close contact with the surface of the support plate 11.
  • the intake communication hole 43 communicates with the outside air through an intake port 46 provided in the support plate 11.
  • the intake communication hole 43 communicating with the pump chamber 32 of the two pistons 31 (a) and 31 (b) forming the pair shown in FIG. 6 is connected to the flow path member 20 by an intake port 46 provided in the flow path member 20. It penetrates and communicates with the outside.
  • the pump chamber 32 of the other piston 31 communicates directly with the outside through an intake port 46 provided in the support plate 11.
  • the discharge communication hole 44 penetrates the support plate 11 and communicates with the discharge hole 47 provided in the flow path member 20 as shown in FIG.
  • Each discharge hole 47 communicates with a discharge flow path 48 provided in the flow path member 20, and the gas discharged from all the pump chambers 32 is supplied to the outside from a discharge port 49 of the discharge flow path 48.
  • the A joint 50 communicating with the discharge port 49 is attached to the flow path member 20, and a pipe made of a hose or pipe (not shown) is attached to the joint 50.
  • the gas discharged from each pump chamber 32 is supplied to the supply target member by piping.
  • the gas discharged from all the pump chambers 32 is collected in one flow path member 20 and guided to the outside, it is not necessary to provide a plurality of pipes in the cylinder block 21, and the compressor 10a can be reduced in size.
  • a check valve 51 for intake is mounted in the intake hole 41
  • a check valve 52 for discharge is mounted in the discharge hole 42.
  • each check valve 51, 52 has a base 53 attached to the magnet holder 28 and an elastic deformation portion 54 having a larger diameter than that of the base 53.
  • the intake check valve 51 opens the intake hole 41 when the pump chamber 32 expands.
  • the check valve 51 closes the intake hole 41 when the pump chamber 32 contracts.
  • the discharge check valve 52 closes the discharge hole 42 when the pump chamber 32 expands.
  • the discharge check valve 52 opens the discharge hole 42. Thereby, the gas discharged from all the pump chambers 32 is discharged from the discharge port 49 to the outside.
  • the intake port 46 opens to the outside on the back side of the support plate 11, but an intake port that communicates with the intake hole 41 may be provided in the flow path plate 29. In that case, outside air is sucked into the pump chamber 32 from the surface side of the support plate 11.
  • FIG. 13 is a front view showing a modified compressor assembly 12a
  • FIG. 14 is a cross-sectional view taken along line JJ in FIG. 13
  • FIG. 15 is a perspective view of FIG.
  • the compressor assembly 12a is mounted on the surface side of the support plate 11 in the same manner as the compressor assembly 12 described above, and the electric motor 13 is disposed on the surface side of the support plate 11 with the compressor assembly 12a positioned radially outward of the compressor assembly 12a. Installed.
  • the rotational torque of the electric motor 13 is transmitted to the drive shaft 16 by the power transmission mechanism 19 disposed on the back side of the support plate 11 as in the case described above.
  • the structure of the cylinder block 21 and the piston 31 incorporated therein is the same as that of the compressor assembly 12 shown in FIGS.
  • the compressor assembly 12 a has a cylinder block 21 in which six cylinder holes 24 are provided in the same manner as the compressor assembly 12 described above.
  • the adapter 26a is mounted on the six mounting surfaces 25, and a solenoid 55 as a magnetic force generating member is provided on the adapter 26a.
  • the solenoid 55 has a bobbin 57 in which an iron core 56 is incorporated, and a coil 58 is wound around the outside of the bobbin 57.
  • the connection terminal 59 of the coil 58 protrudes to the outside of the adapter 26 a, and power is supplied to the coil 58 from the outside via a power supply plug (not shown) connected to the connection terminal 59.
  • the adapter 26 described above is formed by the magnet holder 28 and the flow path plate 29, whereas the adapter 26a has a block material into which the solenoid 55 is incorporated.
  • the block member is provided with the intake holes 41 and the discharge holes 42 shown in FIGS. 10 to 12. Air is supplied from the outside to the pump chamber 32, and the compressed gas flows into the flow path member 20. It is discharged from the discharge port 49 to the outside.
  • 16 to 23 show a piston type compressor 10b according to another embodiment.
  • the compressor 10b has first and second compressor assemblies 12b, whereas the above-described compressor 10a has a single compressor assembly 12.
  • Both compressor assemblies 12 b are mounted on the surface of the support plate 11 and are driven by an electric motor 13 mounted on the surface of the support plate 11.
  • a driving pulley 15 as a driving side rotating body is mounted on the main shaft 14 of the electric motor 13, and a driven pulley 17 as a driven side rotating body is mounted on both driving shafts 16.
  • the timing belt 18 as a power transmission member is stretched between a driving pulley 15 on the driving side and two driven pulleys 17 on the driven side.
  • the driving pulley 15, the driven pulley 17, and the timing belt 18 form a power transmission mechanism 19. Composed.
  • the power transmission mechanism 19 is disposed on the back side of the support plate 11, and the flow path member 20 is mounted on the back surface of the support plate 11.
  • the compressor 10b shown in FIGS. 16 to 23 the duplicate description of the same members as those constituting the compressor 10a described above is omitted.
  • the two compressor assemblies 12b have the same structure.
  • a cylinder hole 24 communicating with the cam housing chamber 22 is provided in each cylinder block 21, and the cylinder hole 24 is provided in the cylinder block 21 every 120 degrees in a direction along the outer peripheral surface of the cylinder block 21.
  • the cylinder hole 24 communicates with the cam housing chamber 22 at the inner end and opens to the outer peripheral surface of the cylinder block 21 at the outer end.
  • One piston 31 in both compressor assemblies 12b is arranged in a straight line as indicated by reference numerals 31 (a) and 31 (b).
  • the cylinder block 21 has three mounting surfaces 25, and the outer end of the cylinder hole 24 is open to the mounting surface 25.
  • Adapters 26 are mounted on the respective mounting surfaces 25.
  • Each adapter 26 has the same structure as that shown in FIGS. 10 to 12, and the piston 31 has the same structure.
  • an intake port 46 is provided in the support plate 11, and each intake port 46 communicates with the intake hole 41 via an intake communication hole 43 provided in the adapter 26.
  • Discharge holes 47 are provided in the flow path member 20, and the discharge holes 47 communicate with the discharge holes 42 via discharge communication holes 44 provided in the adapter 26, and discharge flow paths provided in the flow path member 20. 48.
  • a recessed groove 61 is provided between the mounting surfaces 25 adjacent in the direction along the outer peripheral surface, and the heat dissipation of the cylinder block 21 is enhanced.
  • the respective cam members 23 are rotationally driven by both the drive shafts 16 via the timing belt 18.
  • the piston 31 contracts the pump chamber 32 against the repulsive force of the adapter magnet 34 and the piston magnet 33.
  • the gas in the pump chamber 32 passes through the check valve 52 and flows into the discharge flow path 48 of the flow path member 20 through the flow path in the adapter 26. All the gas discharged from the six pump chambers 32 flows into the discharge flow path 48.
  • the gas flowing into the discharge channel 48 is supplied from the discharge port 49 to an external supply target member.
  • an adapter magnet 34 is used as a magnetic force generating member.
  • the compressor assembly is configured such that the magnetic force generating member is a solenoid.
  • piston compressors 10a and 10b it is used to compress air and supply it to the supplied member, but to compress other gas such as nitrogen gas and supply it to the supplied member.
  • Each compressor can be applied.
  • the compressor of the present invention is applied to a fluid control system for supplying compression equipment to fluid equipment.

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

Abstract

L'invention concerne un compresseur de type à pistons (10a) comprenant un ensemble compresseur (12) comprenant : un bloc cylindres (21) comprenant une pluralité de pistons ; un adaptateur (26) comprenant un orifice de communication d'admission d'air et un orifice de communication de décharge qui communiquent avec une chambre de pompe ; et un arbre d'entraînement (16) qui entraîne les pistons. Dans l'ensemble compresseur (12), un arbre principal (14) et un arbre d'entraînement (16) d'un moteur électrique (13) passent à travers une plaque de support (11) et sont montés sur le côté avant de la plaque de support (11). Un mécanisme de transmission de puissance (19) qui transmet la rotation de l'arbre principal (14) à l'arbre d'entraînement (16) est disposé sur le côté arrière de la plaque de support (11) et un élément canal (20) pour guider l'air déchargé depuis la chambre de pompe vers l'extérieur est fixé sur l'arrière de la plaque de support (11).
PCT/JP2017/016080 2016-05-12 2017-04-21 Compresseur de type à pistons WO2017195576A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-096034 2016-05-12
JP2016096034A JP6526600B2 (ja) 2016-05-12 2016-05-12 ピストン式コンプレッサ

Publications (1)

Publication Number Publication Date
WO2017195576A1 true WO2017195576A1 (fr) 2017-11-16

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ID=60266518

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Application Number Title Priority Date Filing Date
PCT/JP2017/016080 WO2017195576A1 (fr) 2016-05-12 2017-04-21 Compresseur de type à pistons

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JP (1) JP6526600B2 (fr)
TW (1) TW201740020A (fr)
WO (1) WO2017195576A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077059A (ja) * 1983-10-05 1985-05-01 Fujitsu Ltd エア−供給装置
JPH03102070U (fr) * 1990-02-07 1991-10-24
JP2016023555A (ja) * 2014-07-17 2016-02-08 株式会社コガネイ ピストン式コンプレッサ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077059A (ja) * 1983-10-05 1985-05-01 Fujitsu Ltd エア−供給装置
JPH03102070U (fr) * 1990-02-07 1991-10-24
JP2016023555A (ja) * 2014-07-17 2016-02-08 株式会社コガネイ ピストン式コンプレッサ

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JP2017203428A (ja) 2017-11-16
TW201740020A (zh) 2017-11-16
JP6526600B2 (ja) 2019-06-05

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