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IT1072945B - Dispositivi valvolari di controllo per pompe a corsa variabile - Google Patents

Dispositivi valvolari di controllo per pompe a corsa variabile

Info

Publication number
IT1072945B
IT1072945B IT27901/76A IT2790176A IT1072945B IT 1072945 B IT1072945 B IT 1072945B IT 27901/76 A IT27901/76 A IT 27901/76A IT 2790176 A IT2790176 A IT 2790176A IT 1072945 B IT1072945 B IT 1072945B
Authority
IT
Italy
Prior art keywords
control valve
valve devices
variable stroke
stroke pumps
pumps
Prior art date
Application number
IT27901/76A
Other languages
English (en)
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Application granted granted Critical
Publication of IT1072945B publication Critical patent/IT1072945B/it

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
    • 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
    • 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
    • F04B49/12—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
IT27901/76A 1975-10-04 1976-10-01 Dispositivi valvolari di controllo per pompe a corsa variabile IT1072945B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40705/75A GB1555118A (en) 1975-10-04 1975-10-04 Servo pressure control arrangements for variable stroke pumps

Publications (1)

Publication Number Publication Date
IT1072945B true IT1072945B (it) 1985-04-13

Family

ID=10416215

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27901/76A IT1072945B (it) 1975-10-04 1976-10-01 Dispositivi valvolari di controllo per pompe a corsa variabile

Country Status (6)

Country Link
US (1) US4072443A (it)
JP (1) JPS5245702A (it)
DE (1) DE2644627A1 (it)
FR (1) FR2326600A1 (it)
GB (1) GB1555118A (it)
IT (1) IT1072945B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3214212A1 (de) * 1982-04-17 1983-10-20 Alfred Teves Gmbh, 6000 Frankfurt Druckregelvorrichtung fuer pumpen, insbesondere fluegelzellenpumpen
US4546990A (en) * 1983-09-06 1985-10-15 Harriger George A Hydraulic drive system for bicycles and the like
FR2570521B1 (fr) * 1984-09-18 1987-12-11 Renault Dispositif de regulation a deux domaines de pression
US5876185A (en) * 1996-11-20 1999-03-02 Caterpillar Inc. Load sensing pump control for a variable displacement pump
DE19713934B4 (de) * 1997-04-04 2004-06-03 Brueninghaus Hydromatik Gmbh Lastdruckgeführter Förderstromregler mit Spülkreislauf
US6089248A (en) * 1998-12-16 2000-07-18 Dana Corporation Load sense pressure controller
JP3581598B2 (ja) * 1999-04-21 2004-10-27 株式会社テージーケー 容量可変圧縮機の容量制御装置
US6224353B1 (en) * 1999-05-27 2001-05-01 Zan Iseman Pump control apparatus and method
JP3861594B2 (ja) * 2000-12-15 2006-12-20 ユニシア ジェーケーシー ステアリングシステム株式会社 オイルポンプ
US20060198736A1 (en) * 2005-03-01 2006-09-07 Caterpillar Inc. Pump control system for variable displacement pump
US8444395B2 (en) * 2006-01-31 2013-05-21 Magna Powertrain, Inc. Variable displacement variable pressure vane pump system
DE102007033146B4 (de) * 2007-07-13 2012-02-02 Schwäbische Hüttenwerke Automotive GmbH & Co. KG Verstellventil für die Verstellung des Fördervolumens einer Verdrängerpumpe
DE102010025175A1 (de) * 2010-06-25 2011-12-29 Pierburg Gmbh Stufenlos regelbares Druckregelventil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067693A (en) * 1958-12-24 1962-12-11 United Aircraft Corp Control means for variable delivery pump
US3768928A (en) * 1971-06-01 1973-10-30 Borg Warner Pump control system
US3732041A (en) * 1971-06-10 1973-05-08 Sperry Rand Corp Power transmission
US3784326A (en) * 1972-01-24 1974-01-08 Chandler Evans Inc Pressure compensated pump
US3784327A (en) * 1972-06-13 1974-01-08 Sperry Rand Corp Power transmission
DE2363480A1 (de) * 1973-12-20 1975-06-26 Bosch Gmbh Robert Verstelleinrichtung fuer eine pumpe

Also Published As

Publication number Publication date
FR2326600A1 (fr) 1977-04-29
FR2326600B1 (it) 1980-03-28
GB1555118A (en) 1979-11-07
JPS5245702A (en) 1977-04-11
DE2644627A1 (de) 1977-04-21
US4072443A (en) 1978-02-07

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