FR2468040A1 - Circuit hydraulique a distributeur de commande de debit - Google Patents

Circuit hydraulique a distributeur de commande de debit Download PDF

Info

Publication number
FR2468040A1
FR2468040A1 FR8022696A FR8022696A FR2468040A1 FR 2468040 A1 FR2468040 A1 FR 2468040A1 FR 8022696 A FR8022696 A FR 8022696A FR 8022696 A FR8022696 A FR 8022696A FR 2468040 A1 FR2468040 A1 FR 2468040A1
Authority
FR
France
Prior art keywords
primary
flow
spool
pilot
drawer
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.)
Granted
Application number
FR8022696A
Other languages
English (en)
French (fr)
Other versions
FR2468040B1 (enExample
Inventor
Frank Nelson Alexander
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.)
Cessna Aircraft Co
Original Assignee
Cessna Aircraft Co
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 Cessna Aircraft Co filed Critical Cessna Aircraft Co
Publication of FR2468040A1 publication Critical patent/FR2468040A1/fr
Application granted granted Critical
Publication of FR2468040B1 publication Critical patent/FR2468040B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2562—Dividing and recombining

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Fluid-Driven Valves (AREA)
FR8022696A 1979-10-24 1980-10-23 Circuit hydraulique a distributeur de commande de debit Granted FR2468040A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/087,853 US4254687A (en) 1979-10-24 1979-10-24 Flow control valve

Publications (2)

Publication Number Publication Date
FR2468040A1 true FR2468040A1 (fr) 1981-04-30
FR2468040B1 FR2468040B1 (enExample) 1984-07-06

Family

ID=22207640

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8022696A Granted FR2468040A1 (fr) 1979-10-24 1980-10-23 Circuit hydraulique a distributeur de commande de debit

Country Status (5)

Country Link
US (1) US4254687A (enExample)
BR (1) BR8006783A (enExample)
CA (1) CA1134711A (enExample)
FR (1) FR2468040A1 (enExample)
GB (1) GB2061561B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566477A (en) * 1982-03-25 1986-01-28 Trw Inc. Fluid flow control apparatus
EP1812738A1 (de) * 2004-11-09 2007-08-01 LuK Lamellen und Kupplungsbau Beteiligungs KG Ventil
US7316110B2 (en) * 2005-04-01 2008-01-08 Cnh Canada, Ltd. Hydraulic system for an air cart
JP5419087B2 (ja) * 2006-09-14 2014-02-19 シェフラー テクノロジーズ アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト 消費器に作動液を供給するための液圧系
US8225815B2 (en) * 2009-05-19 2012-07-24 Eaton Corporation Fluid flow regulator
US8939173B2 (en) 2010-07-14 2015-01-27 Mac Valves, Inc. Stepper motor operated balanced flow control valve
CN101893011A (zh) * 2010-07-30 2010-11-24 三一重工股份有限公司 液压阀、液压阀组及其控制方法
CN102865264B (zh) * 2012-10-22 2015-09-16 三一重机有限公司 一种液压阀及液压阀组

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH270652A (de) * 1949-01-06 1950-09-15 Staehle Martin Einrichtung zur Regelung der Überschussmenge der Druckflüssigkeit für hydraulische Kolbenmaschinen.
DE2320935B1 (de) * 1973-04-25 1974-06-12 Heilmeier & Weinlein, Fabrik Fuer Oel-Hydraulik, 8000 Muenchen Leerlaufventil
FR2373703A1 (fr) * 1976-12-10 1978-07-07 Danfoss As Systeme hydraulique comportant au moins deux dispositifs utilisateurs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2391930A (en) * 1942-12-01 1946-01-01 Albert R Stone Power transmission system
US2707021A (en) * 1951-03-29 1955-04-26 Lucas Industries Ltd Liquid fuel supply systems
US2891517A (en) * 1951-12-11 1959-06-23 Electraulic Presses Ltd Hydraulic press control systems and pilot operated directional control valve therefor
DE1500297A1 (de) * 1965-04-21 1969-04-10 Werner & Pfleiderer Steuerschieber,insbesondere fuer in dichter Folge arbeitende hydraulische Pressen-Anlagen
US3625007A (en) * 1969-02-07 1971-12-07 Lee R Herndon Jr Hydraulic system including flow stabilization means
US3693506A (en) * 1971-04-15 1972-09-26 Borg Warner Control circuit
US3744517A (en) * 1971-09-30 1973-07-10 Budzich Tadeusz Load responsive fluid control valves
US3771558A (en) * 1972-07-20 1973-11-13 Cross Manuf Inc Combined open-center pressure control and regeneration valve
US3815477A (en) * 1973-02-06 1974-06-11 Cross Mfg Inc Control valve instrumentality
DE2359755C2 (de) * 1973-11-30 1985-06-05 Robert Bosch Gmbh, 7000 Stuttgart Hydraulisches Schaltventil
US3979908A (en) * 1975-09-29 1976-09-14 The Cessna Aircraft Company Priority flow valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH270652A (de) * 1949-01-06 1950-09-15 Staehle Martin Einrichtung zur Regelung der Überschussmenge der Druckflüssigkeit für hydraulische Kolbenmaschinen.
DE2320935B1 (de) * 1973-04-25 1974-06-12 Heilmeier & Weinlein, Fabrik Fuer Oel-Hydraulik, 8000 Muenchen Leerlaufventil
FR2373703A1 (fr) * 1976-12-10 1978-07-07 Danfoss As Systeme hydraulique comportant au moins deux dispositifs utilisateurs

Also Published As

Publication number Publication date
CA1134711A (en) 1982-11-02
US4254687A (en) 1981-03-10
GB2061561A (en) 1981-05-13
GB2061561B (en) 1983-04-07
BR8006783A (pt) 1981-04-28
FR2468040B1 (enExample) 1984-07-06

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ST Notification of lapse