IT1204116B - Valvola di controllo lineare per una pompa del tipo a mandata variabile - Google Patents

Valvola di controllo lineare per una pompa del tipo a mandata variabile

Info

Publication number
IT1204116B
IT1204116B IT03321/86A IT332186A IT1204116B IT 1204116 B IT1204116 B IT 1204116B IT 03321/86 A IT03321/86 A IT 03321/86A IT 332186 A IT332186 A IT 332186A IT 1204116 B IT1204116 B IT 1204116B
Authority
IT
Italy
Prior art keywords
control valve
delivery pump
linear control
variable delivery
variable
Prior art date
Application number
IT03321/86A
Other languages
English (en)
Other versions
IT8603321A0 (it
Inventor
Jorg Dantlgraber
Original Assignee
Rexroth Mannesmann Gmbh
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 Rexroth Mannesmann Gmbh filed Critical Rexroth Mannesmann Gmbh
Publication of IT8603321A0 publication Critical patent/IT8603321A0/it
Application granted granted Critical
Publication of IT1204116B publication Critical patent/IT1204116B/it

Links

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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • 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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/06—Control
    • F04B1/07—Control by varying the relative eccentricity between two members, e.g. a cam and a drive 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/06—Control
    • F04B1/08—Control regulated 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
    • 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
    • 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
    • F04B49/12—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 by varying the length of stroke of the working members
    • F04B49/123—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 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
    • F04B49/128—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 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element by changing the eccentricity of the cylinders, e.g. by moving a cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • F16K11/0716—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
IT03321/86A 1985-02-01 1986-01-28 Valvola di controllo lineare per una pompa del tipo a mandata variabile IT1204116B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853503491 DE3503491A1 (de) 1985-02-01 1985-02-01 Regelventil fuer eine pumpe mit variablem verdraengungsvolumen

Publications (2)

Publication Number Publication Date
IT8603321A0 IT8603321A0 (it) 1986-01-28
IT1204116B true IT1204116B (it) 1989-03-01

Family

ID=6261441

Family Applications (1)

Application Number Title Priority Date Filing Date
IT03321/86A IT1204116B (it) 1985-02-01 1986-01-28 Valvola di controllo lineare per una pompa del tipo a mandata variabile

Country Status (4)

Country Link
US (2) US4674956A (it)
JP (1) JPS61178588A (it)
DE (1) DE3503491A1 (it)
IT (1) IT1204116B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3922829A1 (de) * 1989-07-08 1991-01-17 Rexroth Mannesmann Gmbh Regelventil fuer eine hydraulisch verstellbare regelpumpe
JP2915626B2 (ja) * 1990-07-25 1999-07-05 株式会社ユニシアジェックス 可変容量型ベーンポンプ
US6152091A (en) * 1999-02-22 2000-11-28 Caterpillar Inc. Method of operating a free piston internal combustion engine with a variable pressure hydraulic fluid output
DE10222131C5 (de) 2002-05-17 2011-08-11 Schwäbische Hüttenwerke Automotive GmbH & Co. KG, 73433 Verdrängerpumpe mit Fördervolumenverstellung
ITBO20030528A1 (it) * 2003-09-12 2005-03-13 Pierburg Spa Impianto di pompaggio utilizzante una pompa a palette
DE102011084932A1 (de) * 2011-10-21 2013-04-25 Zf Friedrichshafen Ag Ventilvorrichtung mit einem mehrere Schaltzungen aufweisenden Ventilgehäuse
JP5679958B2 (ja) * 2011-12-21 2015-03-04 日立オートモティブシステムズ株式会社 可変容量形ポンプ
JP5993291B2 (ja) * 2012-11-27 2016-09-14 日立オートモティブシステムズ株式会社 可変容量形ポンプ
US10947973B2 (en) * 2015-08-10 2021-03-16 Hitachi Automotive Systems, Ltd. Variable capacity oil pump
DE102017112700A1 (de) * 2017-06-08 2018-12-13 Schwäbische Hüttenwerke Automotive GmbH Steuerventil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE251765C (it) *
DE131486C (it) *
GB925060A (en) * 1960-08-30 1963-05-01 Bendix Corp Improved servo controlled constant-pressure pump
DE2516765C3 (de) * 1975-04-16 1985-12-05 Mannesmann Rexroth GmbH, 8770 Lohr Regelventil für eine Flügelzellenpumpe
DD131486A1 (de) * 1977-06-21 1978-06-28 Horst Ruhe Regeleinrichtung fuer eine hydrostatische einheit
JPS57131890A (en) * 1981-02-06 1982-08-14 Tokyo Keiki Co Ltd Oil hydraulic controller
JPS5944512A (ja) * 1982-09-08 1984-03-13 Mitsubishi Heavy Ind Ltd 石炭・油混合燃料バ−ナ系統をパ−ジする方法
JPS5960088A (ja) * 1982-09-30 1984-04-05 Nachi Fujikoshi Corp 可変吐出量ベ−ンポンプ

Also Published As

Publication number Publication date
DE3503491C2 (it) 1988-04-21
JPS61178588A (ja) 1986-08-11
US4737078A (en) 1988-04-12
US4674956A (en) 1987-06-23
DE3503491A1 (de) 1986-08-14
IT8603321A0 (it) 1986-01-28

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Effective date: 19960131