WO2005073557A1 - Dispositif et procede permettant le montage de sabots sur un piston pour compresseur de type a plateau oscillant - Google Patents

Dispositif et procede permettant le montage de sabots sur un piston pour compresseur de type a plateau oscillant Download PDF

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Publication number
WO2005073557A1
WO2005073557A1 PCT/KR2004/000025 KR2004000025W WO2005073557A1 WO 2005073557 A1 WO2005073557 A1 WO 2005073557A1 KR 2004000025 W KR2004000025 W KR 2004000025W WO 2005073557 A1 WO2005073557 A1 WO 2005073557A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
insertion unit
shoe
mounting
unit
Prior art date
Application number
PCT/KR2004/000025
Other languages
English (en)
Other versions
WO2005073557A8 (fr
Inventor
Ki-Yeon Kim
Original Assignee
Halla Climate Control Corporation
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 Halla Climate Control Corporation filed Critical Halla Climate Control Corporation
Priority to JP2006549095A priority Critical patent/JP4519857B6/ja
Priority to PCT/KR2004/000025 priority patent/WO2005073557A1/fr
Priority to CNB2004800401073A priority patent/CN100572804C/zh
Publication of WO2005073557A1 publication Critical patent/WO2005073557A1/fr
Publication of WO2005073557A8 publication Critical patent/WO2005073557A8/fr

Links

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
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
    • F04B27/0878—Pistons
    • F04B27/0886—Piston shoes
    • 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
    • F04B39/14—Provisions for readily assembling or disassembling

Definitions

  • the present invention relates to an apparatus and method for mounting shoes on a piston for a swash plate type compressor, and more particularly, to an apparatus and method for mounting a lower shoe and an upper shoe on a piston fed along a guide rail.
  • FIG. 1 illustrates a schematic cross-section of the swash plate type compressor.
  • Shoes 11 and 12 are rotatably mounted on the lower and upper portions, respectively, of a swash plate insertion space 15 of a piston 10, and a swash plate 2 is inserted between the two shoes 11 and 12 so that the shoes 11 and 12 can slide with respect to the swash plate 2.
  • the piston 10 moves up and down, performing compression.
  • the present invention provides an apparatus and method for easily mounting a lower show and an upper shoe on a piston of a swash plate type compressor, thereby improving work efficiency.
  • an apparatus for mounting shoes on a piston for a swash plate type compressor includes a piston feeder which supports and feeds at least one piston; a guide rail which is inserted in a swash plate insertion space of the piston, the guide rail comprising a first receiving space and a second receiving space which are formed by recessing one side of the guide rail, the guide rail having the same thickness as a peripheral portion of a swash plate; a first insertion unit which comprises at least one lower shoe drop-hole and at least one first mounting unit that mounts a lower shoe on a lower shoe mount portion of the piston through the lower shoe drop-hole, the first insertion unit inserting the lower shoe drop-hole into the first receiving space; and a second insertion unit which comprises at least one upper shoe receiving portion and at least one second mounting unit that mounts an upper shoe received in the upper shoe receiving portion on an upper shoe mount portion of the piston, the second insertion unit inserting the upper shoe receiving portion into the second receiving space.
  • an apparatus for mounting shoes on a piston for a swash plate type compressor includes a piston feeder which supports and feeds at least one piston; a guide rail which is inserted in a swash plate insertion space of the piston, the guide rail comprising a first receiving space and a second receiving space which are formed by recessing one side of the guide rail, the guide rail except a portion, in which a guide rail slope is formed starting from the second receiving space in a piston feed direction, having the same thickness as a peripheral portion of a swash plate; a first insertion unit which comprises at least one lower shoe drop-hole and at least one first mounting unit that mounts a lower shoe on a lower shoe mount portion of the piston through the lower shoe drop-hole, the first insertion unit inserting the lower shoe drop-hole into the first receiving space; a second insertion unit which has a circular table shape and is rotated by a predetermined angle by a cylindrical support and comprises at least one upper shoe receiving portion and at least
  • an apparatus for mounting shoes on a piston for a swash plate type compressor includes a piston feeder which supports and feeds at least one piston; a guide rail which is inserted in a swash plate insertion space of the piston, the guide rail comprising an insertion unit receiving space formed by recessing one side of the guide rail, the guide rail having the same thickness as a peripheral portion of a swash plate; and an insertion unit which comprises at least one first mounting set and at least one second mounting set, the first mounting set comprising a lower shoe drop-hole and a first mounting unit that mounts a lower shoe on a lower shoe mount portion of the piston through the lower shoe drop-hole, the second mounting set comprising an upper shoe receiving portion and a second mounting unit that mounts an upper shoe received in the upper shoe receiving portion on an upper shoe mount portion of the piston, the insertion unit alternately inserting the lower shoe drop-hole and the upper shoe receiving portion into the insertion unit receiving space.
  • an apparatus for mounting shoes on a piston for a swash plate type compressor includes a piston feeder which supports and feeds at least one piston; a guide rail which is inserted in a swash plate insertion space of the piston, the guide rail comprising an insertion unit receiving space formed by recessing one side of the guide rail, the guide rail except a portion, in which a guide rail slope is formed starting from the insertion unit receiving space in a piston feed direction, having the same thickness as a peripheral portion of a swash plate; and an insertion unit which has a circular table shape and is rotated by a predetermined angle by a rotation shaft and comprises at least one first mounting set and at least one second mounting set, the first mounting set comprising a lower shoe drop-hole and a first mounting unit that mounts a lower shoe on a lower shoe mount portion of the piston through the lower shoe drop-hole, the second mounting set comprising an upper shoe receiving portion and a insertion unit slope that extends from the upper
  • a method of mounting shoes on a piston for a swash plate type compressor includes engaging a piston to a guide rail through a swash plate insertion space of the piston, the guide rail comprising a first receiving space and a second receiving space, which are formed by recessing one side of the guide rail, and having the same thickness as a peripheral portion of a swash plate; moving the piston to the first receiving space; inserting a lower shoe drop-hole into the swash plate insertion space and moving a slider in a horizontal direction to open the lower shoe drop-hole, thereby mounting a lower shoe on a lower shoe mount portion of the piston; moving the piston to the second receiving space; and inserting an upper shoe receiving portion into the swash plate insertion space and moving an elevator upward, thereby mounting an upper shoe on an upper shoe mount portion of the piston.
  • a method of mounting shoes on a piston for a swash plate type compressor includes engaging a piston to a guide rail through a swash plate insertion space of the piston, the guide rail comprising a receiving space formed by recessing one side of the guide rail and having the same thickness as a peripheral portion of a swash plate; moving the piston to the receiving space; inserting a lower shoe drop-hole into the swash plate insertion space and moving a slider in a horizontal direction to open the lower shoe d rop-hole, thereby mounting a lower shoe on a lower shoe mount portion of the piston; and inserting an upper shoe receiving portion into the swash plate insertion space and moving an elevator upward, thereby mounting an upper shoe on an upper shoe mount portion of the piston.
  • FIG. 1 is a cross-section of a swash plate type compressor.
  • FIG. 2 is a plane view of an apparatus for mounting shoes on a piston for a swash plate type compressor, according to a first type of a first embodiment of the present invention.
  • FIG. 3 is a partial cut-away view of the apparatus shown in FIG. 2, in which a first mounting unit is holding a lower shoe.
  • FIG. 4 is a partial cut-away view of the apparatus shown in FIG. 2, in which the first mounting unit is mounting the lower shoe on the piston.
  • FIG. 5 is a partial cut-away view of the apparatus shown in FIG. 2, in which a second mounting unit is holding an upper shoe.
  • FIG. 6 is a partial cut-away view of the apparatus shown in FIG.
  • FIG. 7 is a plane view of an apparatus for mounting shoes on a piston for a swash plate type compressor, according to a second type of the first embodiment of the present invention.
  • FIG. 8 is a plane view illustrating a second insertion unit and an upper shoe feeder in an apparatus for mounting shoes on a piston for a swash plate type compressor, according to a second embodiment of the present invention.
  • FIG. 9 is a cross-section taken along the line IX-IX shown in FIG. 8.
  • FIG. 10 is a plane view of an apparatus for mounting shoes on a piston for a swash plate type compressor, according to a third embodiment of the present invention.
  • FIG. 11 is a plane view of an apparatus for mounting shoes on a piston for a swash plate type compressor, according to a fourth embodiment of the present invention.
  • a first insertion unit 110 and a second insertion unit 210 have a circular table shape.
  • the apparatus of the first type includes a guide rail 20, a piston feeder 30, the first insertion unit 110, and the second insertion unit 210.
  • the guide rail 20 serves to stably keep a lower shoe 11 and an upper shoe 12, which will be mounted on the piston 10, in the lower shoe mount portion 13 and the upper shoe mount portion 14, respectively.
  • the thickness of the guide rail 20 is the same as a distance between the lower shoe 1 1 and the upper shoe 12 when they are mounted on the lower and upper shoe mount portions 13 and 14, respectively, i.e., the thickness of a peripheral portion of the swash plate 2.
  • the guide rail 20 includes a first receiving space 21 for receiving the first insertion unit 110, a second receiving space 22 for receiving the second insertion unit 210, and a swash plate receiving space 23 receiving the swash plate 2 so that the lower and upper shoes 11 and 12 can be mounted on the piston 10 and then the piston 10 can be continuously moved with the mounted lower and upper shoes 11 and 12.
  • the first and second receiving spaces 21 and 22 and the swash plate receiving space 23 are formed by recessing the guide rail 20. In FIG.
  • the guide rail 20 is discontinued at the first and second receiving spaces 21 and 22. However, as far as the guide rail 20 does not hinder an operation of mounting the lower and upper shoes 11 and 12, the guide rail 20 may be continued at a narrow width at the opposite side to the first and second insertion units 110 and 210.
  • the guide rail 20 does not go beyond the swash plate receiving space 23 so that the piston 10 can be inserted into the swash plate 2.
  • the piston 10 is moved around the swash plate 2.
  • the means is implemented by a circular guide 29 surrounding the swash plate 2 and being concentric with the swash plate 2.
  • the piston feeder 30 supports the piston 10 until the swash plate 2 is inserted between the lower and upper shoes 11 and 12 mounted on the piston 10.
  • the piston feeder 30 supports and feeds a single piston 10.
  • the piston feeder 30 may include a plurality of piston holders, support and feed a plurality of pistons 10, and processes of mounting the lower and upper shoes 11 and 12 on each piston 10 and inserting the piston 10 into the swash plate 2 may be continuously performed.
  • structures and functions of the first insertion unit 110 and the second insertion unit 120 will be described.
  • a first mounting unit includes a slider 160 and a first actuator 170
  • a second mounting unit includes an elevator 260 and a second actuator 270.
  • Each of the first and second actuators 170 and 270 is implemented by an actuator such as a pneumatic cylinder, a hydraulic cylinder, or a linear motor, which enables a linear motion.
  • each of the first and second actuators 170 and 270 is implemented by a pneumatic cylinder.
  • the first mounting unit is installed in the first insertion unit 110, as shown in FIG. 3.
  • the first mounting unit may be designed such that the first actuator 170 and the slider 160 are installed through a receiving space formed in a lower surface of the first insertion unit 110 and then supported by a cover (not shown) covering the bottom of the receiving space.
  • a space allowing the slider 160 to move back and forth is formed in the first insertion unit 110.
  • the slider 160 which has supported a lower shoe 11 by blocking a lower shoe drop-hole 130, as shown in FIG. 3, is moved backward by the first actuator 170, as shown in FIG. 4, so that the lower shoe 11 is dropped and mounted on the lower shoe mount portion 13.
  • the lower shoe drop-hole 130 has an appropriate size and depth for receiving the lower shoe 11 and has open top and bottom.
  • the piston 10 is moved by the piston feeder 30 to the second insertion unit 210 in the second receiving space 22 to mount an upper shoe 12 on the upper shoe mount portion 14.
  • the slider 160 moves forward and blocks the lower shoe drop-hole 130 in the first insertion unit 11 0.
  • the lower shoe 11 is supplied onto the slider 160 by a first supply unit 120.
  • the first insertion unit 110 has a circular table shape.
  • a first supply un it 120 is separately disposed from the first receiving space 21 and supplies a lower shoe 11 to the first mounting unit by dropping the lower shoe 11 onto the slider 160 through the lower shoe drop-hole 130.
  • the first insertion unit 110 is rotated by a rotation shaft
  • a unit rotation angle of the first insertion unit 110 is not limited to 90° shown in FIG. 2. Moreover, the unit rotation angle of the first insertion unit 110 does not need to be the same as that of the second insertion unit 210 having a circular table shape.
  • the second mounting unit including the second actuator 270 and the elevator 260 is inserted and fixed to a cylindrical support 280, as shown in FIG. 5.
  • the cylindrical support 280 is made separately from the second insertion unit 210 and is coupled to the bottom surface of the second insertion unit 210 to support and rotate the second insertion unit 210.
  • the second insertion unit 210 having a passage allowing the elevator 260 to move up and down is coupled to the cylindrical support 280.
  • the elevator 260 which has supported an upper shoe 12 in an upper shoe receiving portion 230, as shown in FIG. 5, is lifted up by the second actuator 270, as shown in FIG. 6, so that the upper shoe 12 is pushed up and mounted on the upper shoe mount portion 14.
  • the top surface of the elevator 260 is on the same level as or a little higher than the top surface of the guide rail 20.
  • the elevator 260 remains at the above-described lifted position until the piston 10 leaves the second receiving space 22 so that the upper shoe 12 is prevented from escaping from the upper shoe mount portion 14.
  • the upper shoe receiving portion 230 has an appropriate size and depth for receiving the upper shoe 12, and at least upper portion of the upper shoe receiving portion 230 is open.
  • the piston 10 is moved by the piston feeder 30 to the swash plate 2.
  • the elevator 260 is moved downward in the second insertion unit 210 so that the upper shoe 12 can be supplied to the upper shoe receiving portion 230 by a second supply unit 220.
  • the second insertion unit 210 has a circular table shape.
  • a second supply unit 220 is separately disposed from the second receiving space 22 and supplies an upper shoe 12 to the second mounting unit by dropping the upper shoe 12 onto the elevator 260 through the upper shoe receiving portion 230.
  • the second insertion unit 210 is rotated by the cylindrical support 280 to repeat the above-described operations.
  • a unit rotation angle of the second insertion unit 210 is not limited to 90° shown in FIG. 2. Referring to FIG. 7, in an apparatus for mounting shoes on a piston for a swash plate type compressor, according to a second type of the first embodiment of the present invention, a first insertion unit 310 and a second insertion unit 410 have a bar shape.
  • the guide rail 20 has the first receiving space 21 , the second receiving space 22, and the swash plate receiving space 23 (not shown in FIG. 7).
  • the first and second receiving spaces 21 and 22 are formed to have a rectangular shape to receive the first and second insertion units 310 and 410 having the bar shape. Since the first insertion unit 310 has the rectangular bar shape, the first insertion unit 310 moves back and forth to be supplied with and mount a lower shoe 11.
  • the first insertion unit 310 mounts the lower shoe 11 on the lower shoe mount portion 13 through a lower shoe drop-hole 330 and is then moved out from the first receiving space 21 by a first linear driving unit 380.
  • the lower shoe drop-hole 330 is blocked by a slider 360, and a first supply unit (not shown) supplies a lower shoe 11 onto the slider 360.
  • the first insertion unit 310 is re-inserted into the first receiving space 21 to mount the lower shoe 1 1 to a next piston 10.
  • both of first and second insertion units have a circular table shape or a rectangular bar shape.
  • the first insertion unit may have a circular table shape while the second insertion unit has a rectangular bar shape, or the first insertion unit may have a rectangular bar shape while the second insertion unit has a circular table shape.
  • a second insertion unit 510 has a circular table shape that includes a second insertion unit slope 560 in a peripheral portion such that the second insertion unit slope 560 leads to the guide rail 20, and the upper shoe 12 is pushed upward along the second insertion unit slope 560.
  • an upper shoe receiving portion 530 is supporting the upper shoe 12, as shown in FIGS. 8 and 9.
  • a support plate 575 is interposed between a wall 574 at an end of the second insertion unit slope 560 and the piston 10, and the second insertion unit slope 560 continues to a guide rail slope 25 of the guide rail 20.
  • the support plate 575 is moved upward along the slopes 560 and 25 together with the piston 1O, the upper shoe 12 on the upper shoe receiving portion 530 gradually goes upward along the slopes 560 and 25 and is mounted on the upper shoe mount portion 14 when the upper shoe 12 reaches an end of the guide rail slope 25.
  • the second insertion unit 510 is not rotated until the support plate 575 and the piston 10 leave the second insertion unit 510.
  • FIG. 10 shows a third embodiment of the present invention in which a first insertion unit and a second insertion unit are combined.
  • a first insertion unit and a second insertion unit are integrated into a single insertion unit 610.
  • a lower shoe drop-hole 631 and a first mounting unit which mounts a lower shoe 11 on the lower shoe mount portion 13 through the lower shoe drop-hole 631 are together referred to as a first mounting set.
  • An upper shoe receiving portion 632 and a second mounting unit which mounts an upper shoe 12 in the upper shoe receiving portion on the upper shoe mount portion 14 are together referred to as a second mounting set.
  • the first and second mounting sets are alternately inserted into the swash plate insertion space 15 in the piston 10 and mount the lower and upper shoes 1 1 and 12, respectively, on the piston 10.
  • both of the upper and lower shoes 1 1 and 12 are mounted using the single insertion table 61 0, it is preferable that both of a first supply unit 621 and a second supply unit 622 are provided in the insertion table 610 in order to supply the lower and upper shoes 1 1 and 12.
  • only one supply unit which alternately supplies the lower and upper shoes 11 and 12 may be provided.
  • FIG. 11 shows a fourth embodiment of the present invention in which a first insertion unit and a second insertion unit are combined like the third embodiment.
  • the second mounting set includes an upper shoe receiving portion 730 and an insertion unit slope 760 which extends from the upper shoe receiving portion 730 and continues to the guide rail slope 25.
  • Differences between the fourth and third embodiments due to the second mount set including slopes are the same as difference between the second and first embodiments due to slopes used in the second embodiment.
  • upper and lower shoes can be easily mounted on a piston for a swash plate type compressor, thereby increasing work efficiency.
  • the present invention can be applied to an apparatus and method for mounting an upper shoe and a lower shoe on a piston for a swash plate type compressor.

Abstract

L'invention concerne un dispositif et un procédé pour le montage aisé de sabot inférieur et de sabot supérieur sur un piston de compresseur du type à plateau oscillant, permettant d'améliorer le rendement. Le dispositif comprend un alimenteur de piston (30) soutenant et alimentant au moins un piston (10) ; un rail de guidage (20) inséré dans un espace d'insertion de plateau oscillant (15) du piston, qui comprend des premier et second espaces de réception (21, 22), ayant la même épaisseur qu'une partie périphérique de plateau oscillant (2) ; une première unité d'insertion (110 ou 310) comprenant au moins un trou d'insertion de sabot inférieur (130 ou 330) et au moins une première unité de montage de sabot inférieur (11) sur une partie de montage de sabot inférieur (13) à travers le trou d'insertion de sabot inférieur, pour l'insertion de ce trou dans le premier espace de réception (21) ; et une seconde unité d'insertion (210 ou 410) comprenant au moins une partie de réception de sabot supérieur (230 ou 430) et au moins une seconde unité de montage de sabot supérieur (12) reçue dans la partie de réception de sabot supérieur sur une partie de montage de sabot supérieur (14), pour l'insertion de la partie de réception de sabot supérieur (230 ou 430) dans le second espace de réception.
PCT/KR2004/000025 2004-01-29 2004-01-29 Dispositif et procede permettant le montage de sabots sur un piston pour compresseur de type a plateau oscillant WO2005073557A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006549095A JP4519857B6 (ja) 2004-01-29 斜板式圧縮機用ピストンにシューを装着する装置及び方法
PCT/KR2004/000025 WO2005073557A1 (fr) 2004-01-29 2004-01-29 Dispositif et procede permettant le montage de sabots sur un piston pour compresseur de type a plateau oscillant
CNB2004800401073A CN100572804C (zh) 2004-01-29 2004-01-29 将滑靴安装在旋转斜盘式压缩机的活塞上的装置和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2004/000025 WO2005073557A1 (fr) 2004-01-29 2004-01-29 Dispositif et procede permettant le montage de sabots sur un piston pour compresseur de type a plateau oscillant

Publications (2)

Publication Number Publication Date
WO2005073557A1 true WO2005073557A1 (fr) 2005-08-11
WO2005073557A8 WO2005073557A8 (fr) 2015-08-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2004/000025 WO2005073557A1 (fr) 2004-01-29 2004-01-29 Dispositif et procede permettant le montage de sabots sur un piston pour compresseur de type a plateau oscillant

Country Status (2)

Country Link
CN (1) CN100572804C (fr)
WO (1) WO2005073557A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8418333B2 (en) 2005-10-04 2013-04-16 Sanyo Machine Works, Ltd. Method and device for assembling swash plate-type fluid machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551973A (en) * 1978-10-06 1980-04-16 Hitachi Ltd Mounting method of piston to swash plate
JPH08219012A (ja) * 1995-02-09 1996-08-27 Sanyo Mach Works Ltd ピストン組立体の組立方法及び組立装置
KR20040005424A (ko) * 2002-07-10 2004-01-16 한라공조주식회사 사판식 압축기용 피스톤에 슈를 장착하는 장치 및 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551973A (en) * 1978-10-06 1980-04-16 Hitachi Ltd Mounting method of piston to swash plate
JPH08219012A (ja) * 1995-02-09 1996-08-27 Sanyo Mach Works Ltd ピストン組立体の組立方法及び組立装置
WO1998005865A1 (fr) * 1995-02-09 1998-02-12 Sanyo Machine Works, Ltd. Procede et dispositif de fabrication d'un ensemble piston
KR20040005424A (ko) * 2002-07-10 2004-01-16 한라공조주식회사 사판식 압축기용 피스톤에 슈를 장착하는 장치 및 방법

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8418333B2 (en) 2005-10-04 2013-04-16 Sanyo Machine Works, Ltd. Method and device for assembling swash plate-type fluid machine
US8695191B2 (en) 2005-10-04 2014-04-15 Sanyo Machine Works, Ltd. Method and device for assembling swash plate-type fluid machine
US9115704B2 (en) 2005-10-04 2015-08-25 Sanyo Machine Works, Ltd. Method and device for assembling swash plate-type fluid machine
US9140248B2 (en) 2005-10-04 2015-09-22 Sanyo Machine Works, Ltd. Method and device for assembling swash plate-type fluid machine

Also Published As

Publication number Publication date
JP2007518020A (ja) 2007-07-05
CN1902400A (zh) 2007-01-24
JP4519857B2 (ja) 2010-08-04
CN100572804C (zh) 2009-12-23
WO2005073557A8 (fr) 2015-08-06

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