EP3171022B8 - Variable capacity piston pump - Google Patents

Variable capacity piston pump Download PDF

Info

Publication number
EP3171022B8
EP3171022B8 EP15821409.8A EP15821409A EP3171022B8 EP 3171022 B8 EP3171022 B8 EP 3171022B8 EP 15821409 A EP15821409 A EP 15821409A EP 3171022 B8 EP3171022 B8 EP 3171022B8
Authority
EP
European Patent Office
Prior art keywords
piston pump
variable capacity
capacity piston
variable
pump
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.)
Active
Application number
EP15821409.8A
Other languages
German (de)
French (fr)
Other versions
EP3171022B1 (en
EP3171022A4 (en
EP3171022A1 (en
Inventor
Yuki Ueda
Naoya Yokomachi
Tsutomu Matsuo
Takashi Uno
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.)
Toyota Industries Corp
Original Assignee
Toyota Industries Corp
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 Toyota Industries Corp filed Critical Toyota Industries Corp
Publication of EP3171022A1 publication Critical patent/EP3171022A1/en
Publication of EP3171022A4 publication Critical patent/EP3171022A4/en
Publication of EP3171022B1 publication Critical patent/EP3171022B1/en
Application granted granted Critical
Publication of EP3171022B8 publication Critical patent/EP3171022B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F04B1/20—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 having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • 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
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • 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
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
EP15821409.8A 2014-07-16 2015-07-02 Variable capacity piston pump Active EP3171022B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014145926A JP6248844B2 (en) 2014-07-16 2014-07-16 Variable displacement piston pump
PCT/JP2015/069135 WO2016009846A1 (en) 2014-07-16 2015-07-02 Variable capacity piston pump

Publications (4)

Publication Number Publication Date
EP3171022A1 EP3171022A1 (en) 2017-05-24
EP3171022A4 EP3171022A4 (en) 2017-07-05
EP3171022B1 EP3171022B1 (en) 2020-12-16
EP3171022B8 true EP3171022B8 (en) 2021-03-31

Family

ID=55078344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15821409.8A Active EP3171022B8 (en) 2014-07-16 2015-07-02 Variable capacity piston pump

Country Status (4)

Country Link
US (1) US20170211555A1 (en)
EP (1) EP3171022B8 (en)
JP (1) JP6248844B2 (en)
WO (1) WO2016009846A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018208069A1 (en) * 2018-05-23 2019-11-28 Robert Bosch Gmbh Axial piston machine with recess in the area of the signal pressure channel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945449A (en) * 1954-06-03 1960-07-19 Bendix Aviat Corp Hydraulic control pump
US2915985A (en) * 1957-06-20 1959-12-08 New York Air Brake Co Pump
GB1010652A (en) * 1961-01-06 1965-11-24 Council Scient Ind Res Improvements in swash plate type hydraulic pumps or motors
US3489094A (en) * 1966-08-16 1970-01-13 Donald R Vaughan Pressure responsive control apparatus
US3753627A (en) * 1971-04-09 1973-08-21 E Ward Pump bypass liquid control
JPH0437263Y2 (en) * 1987-01-30 1992-09-02
US4723892A (en) * 1987-03-19 1988-02-09 Cowan Philip L Constant power variable volume pump
JPH036073U (en) * 1989-06-05 1991-01-22
JP2633725B2 (en) * 1990-07-24 1997-07-23 日立建機株式会社 Variable capacity swash plate type hydraulic rotary machine
JPH0518350A (en) * 1991-07-08 1993-01-26 Nippondenso Co Ltd Capacity control device of variable capacity type axial piston machine
JPH05133321A (en) * 1991-11-07 1993-05-28 Toyota Autom Loom Works Ltd Variable delivery type piston pump
JPH084658A (en) * 1994-06-15 1996-01-09 Toyota Autom Loom Works Ltd Variable displacement type piston pump
JPH08100759A (en) * 1994-09-29 1996-04-16 Toyota Autom Loom Works Ltd Variable displacement piston pump
DE19755386C2 (en) * 1997-12-12 1999-10-21 Brueninghaus Hydromatik Gmbh Hydrostatic machine with a rotatably mounted cylinder drum and an adjustable swivel disc
DE10325842A1 (en) * 2003-06-06 2005-01-05 Brueninghaus Hydromatik Gmbh Reversible axial piston machine with longitudinal adjustment
JP2005201175A (en) * 2004-01-16 2005-07-28 Hitachi Constr Mach Co Ltd Variable displacement swash plate type hydraulic rotating machine

Also Published As

Publication number Publication date
EP3171022B1 (en) 2020-12-16
WO2016009846A1 (en) 2016-01-21
EP3171022A4 (en) 2017-07-05
JP6248844B2 (en) 2017-12-20
EP3171022A1 (en) 2017-05-24
JP2016023548A (en) 2016-02-08
US20170211555A1 (en) 2017-07-27

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