EP2933490A4 - Variable displacement pump regulator - Google Patents

Variable displacement pump regulator

Info

Publication number
EP2933490A4
EP2933490A4 EP13861695.8A EP13861695A EP2933490A4 EP 2933490 A4 EP2933490 A4 EP 2933490A4 EP 13861695 A EP13861695 A EP 13861695A EP 2933490 A4 EP2933490 A4 EP 2933490A4
Authority
EP
European Patent Office
Prior art keywords
variable displacement
displacement pump
pump regulator
regulator
variable
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP13861695.8A
Other languages
German (de)
French (fr)
Other versions
EP2933490A1 (en
Inventor
Ryuji Sakai
Isamu Yoshimura
Ryoji Irie
Hidetoshi Miura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Publication of EP2933490A1 publication Critical patent/EP2933490A1/en
Publication of EP2933490A4 publication Critical patent/EP2933490A4/en
Withdrawn legal-status Critical Current

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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/28—Control of machines or pumps with stationary cylinders
    • F04B1/29—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B1/295—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • 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
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • 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
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
EP13861695.8A 2012-12-11 2013-11-25 Variable displacement pump regulator Withdrawn EP2933490A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012270475A JP5918688B2 (en) 2012-12-11 2012-12-11 Variable displacement pump regulator
PCT/JP2013/006898 WO2014091690A1 (en) 2012-12-11 2013-11-25 Variable displacement pump regulator

Publications (2)

Publication Number Publication Date
EP2933490A1 EP2933490A1 (en) 2015-10-21
EP2933490A4 true EP2933490A4 (en) 2016-08-24

Family

ID=50933998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13861695.8A Withdrawn EP2933490A4 (en) 2012-12-11 2013-11-25 Variable displacement pump regulator

Country Status (6)

Country Link
US (1) US20150226190A1 (en)
EP (1) EP2933490A4 (en)
JP (1) JP5918688B2 (en)
KR (1) KR20150003366A (en)
CN (1) CN104411973B (en)
WO (1) WO2014091690A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6111116B2 (en) * 2013-03-28 2017-04-05 Ｋｙｂ株式会社 Pump volume control device
JP5965502B1 (en) * 2015-02-23 2016-08-03 川崎重工業株式会社 Hydraulic drive system for construction machinery
JP2016169818A (en) * 2015-03-13 2016-09-23 川崎重工業株式会社 Hydraulic driving system
JP6912907B2 (en) * 2017-03-13 2021-08-04 Ｋｙｂ株式会社 Servo regulator
JP6577502B2 (en) * 2017-03-17 2019-09-18 Ｋｙｂ株式会社 Servo regulator
KR102198500B1 (en) * 2018-12-19 2021-01-05 주식회사 모트롤 Regulator for hydraulic pump
KR102197623B1 (en) * 2018-12-19 2021-01-04 주식회사 모트롤 Regulator for hydraulic pump
CN116044736B (en) * 2022-12-29 2023-11-07 川崎春晖精密机械（浙江）有限公司 Testing system and testing method for regulator for swash plate plunger pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1212609A (en) * 1967-05-24 1970-11-18 Linde Ag Improvements in or relating to twin variable-delivery pump units
US4189921A (en) * 1976-07-02 1980-02-26 Eaton Corporation Hydraulic controller
US4245962A (en) * 1978-06-26 1981-01-20 Kabushiki Kaisha Komatsu Seisakusho Displacement control system for variable displacement pump
US4599050A (en) * 1984-02-08 1986-07-08 Kabushiki Kaisha Komatsu Seisakusho Device for controlling displacement of variable displacement hydraulic pump
JP2003227459A (en) * 2002-02-01 2003-08-15 Kawasaki Precision Machinery Ltd Control device for swash plate shape axial piston pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1445347A (en) * 1973-01-26 1976-08-11 Lucas Industries Ltd Fuel control apparatus for gas turbine engines
JPH027281Y2 (en) * 1979-08-24 1990-02-21
JPH068641B2 (en) * 1986-09-30 1994-02-02 日立建機株式会社 Hydraulic circuit
JPH01107322A (en) 1987-10-20 1989-04-25 Matsushita Electric Ind Co Ltd Optical disk
KR950007252B1 (en) * 1991-11-30 1995-07-07 삼성중공업주식회사 Control devices of oil pump of variable capacity
JP3909935B2 (en) * 1997-03-31 2007-04-25 カヤバ工業株式会社 Pump control device
JPH11148463A (en) * 1997-11-13 1999-06-02 Hitachi Constr Mach Co Ltd Capacity control device for hydraulic pump
KR100506640B1 (en) * 2003-01-22 2005-08-10 한국기계연구원 Servo regulator of variable displacement swash plate type piston pump controlled in positive-negative direction
US7584625B2 (en) * 2005-10-21 2009-09-08 Emerson Climate Technologies, Inc. Compressor capacity modulation system and method
JP5040316B2 (en) * 2006-12-18 2012-10-03 株式会社不二越 Piston pump
CN101644287B (en) * 2009-06-11 2011-11-16 佛山市顺德区必乐士液压机械有限公司 Electromagnetic switching double-displacement pump
JP5238739B2 (en) * 2010-02-26 2013-07-17 川崎重工業株式会社 Operating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1212609A (en) * 1967-05-24 1970-11-18 Linde Ag Improvements in or relating to twin variable-delivery pump units
US4189921A (en) * 1976-07-02 1980-02-26 Eaton Corporation Hydraulic controller
US4245962A (en) * 1978-06-26 1981-01-20 Kabushiki Kaisha Komatsu Seisakusho Displacement control system for variable displacement pump
US4599050A (en) * 1984-02-08 1986-07-08 Kabushiki Kaisha Komatsu Seisakusho Device for controlling displacement of variable displacement hydraulic pump
JP2003227459A (en) * 2002-02-01 2003-08-15 Kawasaki Precision Machinery Ltd Control device for swash plate shape axial piston pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014091690A1 *

Also Published As

Publication number Publication date
CN104411973A (en) 2015-03-11
JP5918688B2 (en) 2016-05-18
KR20150003366A (en) 2015-01-08
US20150226190A1 (en) 2015-08-13
EP2933490A1 (en) 2015-10-21
CN104411973B (en) 2016-04-20
WO2014091690A1 (en) 2014-06-19
JP2014114911A (en) 2014-06-26

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20150427

AK Designated contracting states

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AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20160721

RIC1 Information provided on ipc code assigned before grant

Ipc: F04B 1/29 20060101ALI20160715BHEP

Ipc: F04B 49/00 20060101AFI20160715BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170221