WO2010067946A1 - Dispositif de pompe à palettes - Google Patents

Dispositif de pompe à palettes Download PDF

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Publication number
WO2010067946A1
WO2010067946A1 PCT/KR2009/005286 KR2009005286W WO2010067946A1 WO 2010067946 A1 WO2010067946 A1 WO 2010067946A1 KR 2009005286 W KR2009005286 W KR 2009005286W WO 2010067946 A1 WO2010067946 A1 WO 2010067946A1
Authority
WO
WIPO (PCT)
Prior art keywords
vane pump
housing
discharge
reservoir tank
hydraulic oil
Prior art date
Application number
PCT/KR2009/005286
Other languages
English (en)
Korean (ko)
Inventor
박현우
Original Assignee
주식회사 신우
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 주식회사 신우 filed Critical 주식회사 신우
Priority to CN2009801166730A priority Critical patent/CN102016318A/zh
Priority to US12/997,888 priority patent/US20110223050A1/en
Priority to BRPI0913788A priority patent/BRPI0913788A2/pt
Priority to DE112009002029T priority patent/DE112009002029T5/de
Publication of WO2010067946A1 publication Critical patent/WO2010067946A1/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3446—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/007—General arrangements of parts; Frames and supporting elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/008—Pumps for submersible use, i.e. down-hole pumping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/48—Conditions of a reservoir linked to a pump or machine

Definitions

  • the present invention relates to a vane pump apparatus, and more particularly, to a vane pump apparatus for installing a vane pump inside the reservoir tank to prevent an increase in the production cost of the vane pump.
  • a vane pump is used to supply hydraulic pressure in a device using hydraulic pressure including an automobile.
  • the main body of the vane pump is provided with a cam ring, a rotor and a vane, and the rotor rotates by being coupled to a shaft rotated by a driving device.
  • the fluid is sucked and compressed by the rotating action of the rotor and the vane and then sent to the hydraulic line.
  • the reservoir tank for supplying the hydraulic oil to the vane pump is installed separately from the vane pump and connected by a connecting pipe, and the reservoir tank for supplying the hydraulic oil is mounted on the vane pump.
  • the above-described invention means a background of the technical field to which the present invention belongs, and does not mean the prior art.
  • the present invention was created by the necessity as described above, the production cost is increased by the installation of the sealing member to prevent the leakage of oil to the outside of the vane pump, thereby increasing the assembly work and the addition of inspection work related to oil leakage Can prevent
  • the purpose is to provide a vane pump device.
  • the vane pump apparatus includes: a housing having a discharge passage, a reservoir tank in which hydraulic oil is stored and coupled to the housing, and a vane pump installed inside the reservoir tank to discharge the hydraulic oil compressed in the discharge passage.
  • the housing is preferably a side wall body or an electric motor housing.
  • a sealing ring is provided between the housing and the reservoir tank to prevent leakage.
  • the front of the vane pump is provided with a suction port for sucking hydraulic oil and a discharge port communicating with the discharge passage.
  • the periphery of the suction port in the vane pump is separated from the housing to form a suction connection passage.
  • the vane pump is preferably formed integrally with the valve housing to which the relief valve is mounted.
  • the vane pumping station installs the vane pump inside the reservoir tank in which the working oil is stored so that there is no problem even when the vane pump is leaked to the outside of the vane pump, it is possible to delete the sealing member, thereby reducing the production cost by reducing inspection work and parts can do.
  • FIG. 1 is an exploded perspective view schematically showing a vane pump apparatus according to an embodiment of the present invention.
  • FIG. 2 is a view illustrating the inlet and outlet of the vane pump shown in FIG.
  • FIG. 3 is a view showing a state in which the vane pump device shown in FIG.
  • FIG. 4 is a side cross-sectional view of the vane pump device shown in FIG. 3 in the A-A direction.
  • FIG. 5 is a side cross-sectional view of the vane pump device shown in FIG. 3 in the B-B direction.
  • FIG. 5 is a side cross-sectional view of the vane pump device shown in FIG. 3 in the B-B direction.
  • FIG. 6 is a cross-sectional view of the vane pump device illustrated in FIG. 4 in the C-C direction.
  • FIG. 7 is a front view illustrating the front body by cutting the vane pump device shown in FIG. 4 in the D-D direction.
  • FIG. 8 is a front view illustrating the side plate by cutting the vane pump device shown in FIG. 4 in the E-E direction.
  • FIG. 1 is an exploded perspective view schematically showing a vane pump device according to an embodiment of the present invention
  • Figure 2 is a view showing the inlet and outlet of the vane pump shown in Figure 1
  • Figure 3 is shown in Figure 1
  • FIG. 4 is a side cross-sectional view of the vane pump device shown in FIG. 3 in the AA direction
  • FIG. 5 is the vane pump device shown in FIG. 3 in the BB direction
  • 6 is a cross-sectional view of the vane pump device shown in FIG. 4 in the CC direction
  • FIG. 7 is a front view showing the front body of the vane pump device shown in FIG. 4 in the DD direction
  • 8 is a front view showing the side plate by cutting the vane pump device shown in FIG. 4 in the EE direction.
  • the vane pump device As shown in Figures 1 to 3, the vane pump device according to an embodiment of the present invention, the housing 70 having a discharge passage 74, the hydraulic oil 90 is stored in the housing 70
  • a reservoir tank (1) coupled to the reservoir tank (1) and includes a vane pump (10) for discharging the hydraulic oil (90) compressed through the discharge passage (74).
  • the housing 70 may be used as a fixed side wall body or an electric motor housing, in addition to the various members within the technical concept for storing the hydraulic oil 90 is coupled to the reservoir tank (1) Can be used as the housing 70.
  • the housing 70 is connected to the discharge port 84 of the vane pump 10 and connected to the discharge passage 74 and the discharge passage 74 to receive the compressed hydraulic oil 90.
  • a hydraulic supply hole 72 for supplying the hydraulic oil 90 to the line is provided.
  • a discharge passage 74 connected to the discharge port 84 is provided.
  • the housing 70 is provided with a shaft connection hole 76 and the shaft 80 of the vane pump 10 coupled with the housing 70 is inserted.
  • the shaft 80 may be driven by an electric motor that is fixed to the side wall through the shaft connection hole 76 or the shaft 80 may be directly connected to the electric motor.
  • the shaft 80 may be connected to another power source in addition to the electric motor to receive the rotational power.
  • the reservoir tank 1 coupled to the housing 70 to form a space for storing the hydraulic oil 90 therein may be deformed into various shapes including a cylindrical shape.
  • One side of the reservoir tank (1) is provided with a connecting pipe (3) is a passage for receiving the hydraulic oil 90 from the outside.
  • a sealing ring 79 is provided between the housing 70 and the reservoir tank 1 to prevent leakage, and preferably, a mounting groove is provided on an outer side of the housing 70 in contact with the side surface of the reservoir tank 1.
  • the mounting groove is mounted with a sealing ring 79 made of an elastic material.
  • a thread is formed on the joint surface of the housing 70 and the reservoir tank 1, and the fastening may be performed.
  • the housing 70 and the reservoir tank 1 may be fastened or fixed by various methods.
  • the vane pump 10 includes a cam ring 50 having an inner surface of a large arc portion and an inner surface of a small arc portion, and is provided inside the cam ring 50.
  • the rotor 14 includes a guide groove radially, and a plurality of vanes 34 inserted into the guide groove and moved along the inner surface of the cam ring 50.
  • the vane pump 10 is divided into the front body 60 and the rear cover 12 to form an outer shape, and the front body 60 and the rear cover 12 are coupled by the fastening bolt 18.
  • the upper side of the front body 60, the cam ring 50 is provided with the rotor 14 is installed on the inner side, the upper side of the cam ring 50 and the rotor 14 side
  • the plate 40, the leaf spring 32 and the rear cover 12 are sequentially stacked.
  • the front body 60 constituting the front surface of the vane pump 10 includes a suction port 82 for sucking the hydraulic oil 90 and a hydraulic fluid 90 that is in communication with the discharge passage 74.
  • a discharge port 84 for discharging) is provided.
  • a jaw is formed around the outlet port 84 so that the compressed hydraulic oil 90 is delivered while the outlet port 84 communicates with the discharge passage 74, and is fixed in contact with the housing 70.
  • the suction oil passage 88 is formed, so that the hydraulic oil inside the reservoir tank 1 is provided. 90 is easily introduced into the suction port 82 of the vane pump 10 through the suction connection passage (88).
  • the shaft 80 which is connected to the power source and rotates, is axially connected to the rotor 14, so that the rotor 14 and the vanes 34 rotate according to the rotation of the shaft 80.
  • the cam ring 50 is formed in a ring shape and the inner surface is formed with an elliptical cylindrical surface having two small arc portions and a large arc portion on the orthogonal axis, respectively.
  • the inner surface of the cam ring 50 forming the small arc portion has a shape in contact with an arc of a smaller diameter than the inner surface of the cam ring 50 forming the large arc portion.
  • the cam ring 50 is formed with a suction communication hole 52 in communication with the suction port 82 of the front body 60 and a discharge communication hole 54 in communication with the discharge port 84.
  • a discharge conduit 86 is provided between the cam ring 50 and the rear cover 12 to form a conduit for flowing the fluid in the pressure chamber 30 to the outlet 84.
  • two first discharge grooves 65 and 65 ′ are formed on the inner surface of the front body 60 facing the rotor 14, and the first discharge on one side thereof is formed.
  • the outlet port 84 is connected to the groove portion 65 '.
  • First suction grooves 66 and 66 ′ connected to the suction port 82 are also formed inside the front body 60 to supply hydraulic oil 90 to the vane pump 10.
  • the second discharge grooves 42 and 42 ′ and the second suction grooves 43 and 43 ′ are provided at one side of the side plate 40 facing the rotor 14.
  • the second discharge groove 42 of the side plate 40 is provided with a connection hole 44 so that a part of the discharged fluid is moved to the pressure chamber 30.
  • the leaf spring 32 is installed between the side plate 40 and the rear cover 12 to secure the space of the pressure chamber 30, and by the elastic force of the leaf spring 32, the front body 60, the cam ring ( 50), the side plate 40 is in close contact.
  • the back cover 12 of the vane pump 10 is integrally formed with a pipe-shaped valve housing 16, and a relief valve 20 is integrally installed inside the valve housing 16.
  • the relief valve 20 communicates with the pressure chamber 30 to which the fluid compressed by the vanes 34 is supplied to maintain the hydraulic pressure at a prescribed value.
  • the relief valve 20 includes a valve seat 22 press-fitted to the rear side of the rear cover 12, a ball member 24 for shielding the fluid compressed by the rotation of the vanes 34, and a ball member.
  • Retainer 26 holding the 24, the valve spring 27 for pressing the ball member 24 and the adjustment screw 28 for adjusting the pressing force of the valve spring (27).
  • the adjusting screw 28 is provided with a discharge hole, and the fluid discharged from the relief valve 20 is discharged through the discharge hole and mixed with the hydraulic oil 90 inside the reservoir tank 1.
  • the fixing bolt 19 inserted into the front body 60 through the rear cover 12 prevents the rotation of the side plate 40 and the cam ring 50.
  • the rotor 14, the side plate 40, the plate spring 32, and the rear cover 12, in which the cam ring 50 and the vane 34 are mounted on the front body 60, are sequentially coupled to one embodiment of the present invention.
  • the vane pump 10 according to the example is configured, but in addition, other mechanical devices installed in the reservoir tank 1 to compress the hydraulic oil 90 may be used as the vane pump 10 according to the present invention.
  • the vane pump 10 Since the fastening bolt 18 provided in the vane pump 10 is coupled to the fastening hole 77 of the housing 70, the vane pump 10 is coupled to the housing 70.
  • the outlet 84 of the vane pump 10 is fixed in communication with the discharge passage 74 of the housing 70, the inlet 82 of the vane pump 10 is spaced apart from the housing 70 The hydraulic oil 90 inside the tank 1 is easily introduced into the suction port 82.
  • the hydraulic oil 90 stored inside the reservoir tank 1 flows into the suction port 82 of the front body 60 through the suction connection passage 88 to form first suction grooves 66 and 66 ⁇ of the front body 60. And supply to the suction section S of the rotor 14 through the second suction grooves 43 and 43 ⁇ of the side plate 40 through the suction communication hole 52 of the cam ring 50.
  • the compressed hydraulic oil 90 in the first discharge groove 65 ′ and the second discharge groove 42 ′ communicating with the discharge port 84 is directly discharged through the discharge communication hole 54. To be discharged.
  • the hydraulic fluid 90 in the first discharge groove 65 and the second discharge groove 42 which is not in direct communication with the outlet 84 is moved to the pressure chamber 30 through the connection hole 44 and then the cam ring 50. ) And the discharge port 84 along the discharge pipe 86 provided between the rear cover (12).
  • the hydraulic oil 90 transferred to the discharge passage 74 along the discharge port 84 is transferred to the hydraulic line through the hydraulic supply hole 72.
  • the vane pump 10 by installing the vane pump 10 inside the reservoir tank 1, the sealing member for preventing oil leakage of the vane pump 10 is eliminated, the vane pump 10 Downsizing and weight reduction are realized.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

Le dispositif de pompe à palettes de l'invention comprend un boîtier comprenant un canal de sortie, un réservoir d'huile qui stocke l'huile de travail et qui est relié au boîtier, et une pompe à palette montée dans le réservoir qui refoule l'huile de travail sous pression vers le canal de sortie.
PCT/KR2009/005286 2008-12-08 2009-09-17 Dispositif de pompe à palettes WO2010067946A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2009801166730A CN102016318A (zh) 2008-12-08 2009-09-17 叶片泵装置
US12/997,888 US20110223050A1 (en) 2008-12-08 2009-09-17 Vane pump apparatus
BRPI0913788A BRPI0913788A2 (pt) 2008-12-08 2009-09-17 "aparelho de bomba de palhetas"
DE112009002029T DE112009002029T5 (de) 2008-12-08 2009-09-17 Flügelzellen-Pumpenvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080123967A KR100914241B1 (ko) 2008-12-08 2008-12-08 베인펌프장치
KR10-2008-0123967 2008-12-08

Publications (1)

Publication Number Publication Date
WO2010067946A1 true WO2010067946A1 (fr) 2010-06-17

Family

ID=41210303

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/005286 WO2010067946A1 (fr) 2008-12-08 2009-09-17 Dispositif de pompe à palettes

Country Status (6)

Country Link
US (1) US20110223050A1 (fr)
KR (1) KR100914241B1 (fr)
CN (1) CN102016318A (fr)
BR (1) BRPI0913788A2 (fr)
DE (1) DE112009002029T5 (fr)
WO (1) WO2010067946A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9127674B2 (en) * 2010-06-22 2015-09-08 Gm Global Technology Operations, Llc High efficiency fixed displacement vane pump including a compression spring
KR101321777B1 (ko) 2011-12-12 2013-10-28 주식회사 신우 기어펌프
CN104295491B (zh) * 2014-09-01 2017-07-07 浙江维新汽车配件有限公司 一种船舶发动机用橡胶叶轮式水泵
JP2016109029A (ja) * 2014-12-05 2016-06-20 株式会社デンソー ベーン式ポンプ、及び、それを用いる燃料蒸気漏れ検出装置
JP7103342B2 (ja) * 2017-03-23 2022-07-20 日本電産トーソク株式会社 ポンプ装置
JP6546984B1 (ja) * 2017-12-27 2019-07-17 Ｋｙｂ株式会社 電動液圧アクチュエータ
JP6900429B2 (ja) * 2018-07-31 2021-07-07 日立Astemo株式会社 ベーンポンプ装置
WO2020026338A1 (fr) * 2018-07-31 2020-02-06 株式会社ショーワ Dispositif de pompe à palettes

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS5724485A (en) * 1980-07-22 1982-02-09 Kayaba Ind Co Ltd Vane pump
JPH11301504A (ja) * 1998-04-23 1999-11-02 Kojima Press Co Ltd リザーバータンクの固定構造
JP2006282021A (ja) * 2005-04-01 2006-10-19 Hitachi Ltd パワーステアリング装置

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US2827854A (en) * 1953-03-16 1958-03-25 New York Air Brake Co Variable speed pump with non-graduating by-pass valve control
US2797647A (en) * 1954-01-19 1957-07-02 Detroit Harvester Co Hydraulic pump
US2984186A (en) * 1957-07-11 1961-05-16 Thompson Ramo Wooldridge Inc Multiple pump unit
US3349714A (en) * 1965-10-11 1967-10-31 Ford Motor Co Power steering pump
US3961758A (en) * 1974-08-23 1976-06-08 Peabody Barnes, Inc. Centrifugal pump with integral grinder
JPS5523358A (en) * 1978-08-07 1980-02-19 Jidosha Kiki Co Ltd Rotary liquid compressor
JPS5669491A (en) * 1979-11-13 1981-06-10 Kayaba Ind Co Ltd Vane pump
FR2555674B1 (fr) * 1983-11-30 1986-03-28 Cit Alcatel Pompe a joint d'huile a palettes
US5616020A (en) * 1993-08-09 1997-04-01 Quik Pump, Inc. Rotary vane pump
US6012904A (en) * 1994-05-17 2000-01-11 Walbro Corporation Vented fuel module reservoir with two-stage pump
KR970027845A (ko) * 1995-11-17 1997-06-24 황동일 밀폐형 베인 펌프

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724485A (en) * 1980-07-22 1982-02-09 Kayaba Ind Co Ltd Vane pump
JPH11301504A (ja) * 1998-04-23 1999-11-02 Kojima Press Co Ltd リザーバータンクの固定構造
JP2006282021A (ja) * 2005-04-01 2006-10-19 Hitachi Ltd パワーステアリング装置

Also Published As

Publication number Publication date
DE112009002029T5 (de) 2012-07-26
CN102016318A (zh) 2011-04-13
BRPI0913788A2 (pt) 2015-10-20
KR100914241B1 (ko) 2009-08-26
US20110223050A1 (en) 2011-09-15

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