GB1177056A - Improved Hydraulic Control Valve and System - Google Patents

Improved Hydraulic Control Valve and System

Info

Publication number
GB1177056A
GB1177056A GB1734168A GB1734168A GB1177056A GB 1177056 A GB1177056 A GB 1177056A GB 1734168 A GB1734168 A GB 1734168A GB 1734168 A GB1734168 A GB 1734168A GB 1177056 A GB1177056 A GB 1177056A
Authority
GB
United Kingdom
Prior art keywords
spool
passages
inlet
check valves
leakage
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.)
Expired
Application number
GB1734168A
Other languages
English (en)
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 GB1177056A publication Critical patent/GB1177056A/en
Expired 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
    • 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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87233—Biased exhaust valve
    • Y10T137/87241—Biased closed
GB1734168A 1967-05-15 1968-04-10 Improved Hydraulic Control Valve and System Expired GB1177056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63822667A 1967-05-15 1967-05-15

Publications (1)

Publication Number Publication Date
GB1177056A true GB1177056A (en) 1970-01-07

Family

ID=24559138

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1734168A Expired GB1177056A (en) 1967-05-15 1968-04-10 Improved Hydraulic Control Valve and System

Country Status (5)

Country Link
US (1) US3596566A (de)
DE (1) DE1750413C3 (de)
FR (1) FR1562719A (de)
GB (1) GB1177056A (de)
SE (1) SE341532B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944099A (en) * 1974-03-04 1976-03-16 Northwest Engineering Company Load holding device for mobile power crane excavators and the like
US4145958A (en) * 1977-12-02 1979-03-27 Borg-Warner Corporation Fluid control system with automatically actuated motor port lock-out valves
GB2080499B (en) * 1980-07-21 1984-03-07 Poclain Sa Fluid pressure-regulating valve
US4346733A (en) * 1980-07-29 1982-08-31 Fluid Controls, Inc. Control valve
US4545287A (en) * 1982-10-22 1985-10-08 The Cessna Aircraft Company Metered lockout valve
US4736672A (en) * 1986-04-07 1988-04-12 Cessna Aircraft Company Metered lockout valve
DE4123718A1 (de) * 1991-07-17 1993-01-21 Ford New Holland Gmbh Hydraulisches sperrventil
JPH06193606A (ja) * 1992-12-22 1994-07-15 Komatsu Ltd 圧力補償弁を備えた操作弁
US5349818A (en) * 1993-08-11 1994-09-27 Teleflex (Canada) Limited Low deadband marine hydraulic steering system
DE4436548C2 (de) * 1994-10-13 2000-12-21 Mannesmann Rexroth Ag Ventilanordnung zur Betätigung eines hydraulischen Verbrauchers
US5481871A (en) * 1995-03-02 1996-01-09 Teleflex (Canada) Ltd. Hydraulic steering system with spool pressure equalization
JP3778634B2 (ja) * 1996-11-22 2006-05-24 Ｓｍｃ株式会社 パイロットチェック弁付スピードコントローラ
DE19957952A1 (de) * 1999-12-02 2001-06-07 Mannesmann Rexroth Ag Hydraulisches Wegeventil zur lastunabhängigen Steuerung eines hydraulischen Verbrauchers von insbesondere einer mobilen Arbeitsmaschine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381587A (en) * 1965-09-10 1968-05-07 Deere & Co Hydraulic control system
US3274902A (en) * 1965-10-22 1966-09-27 Deere & Co Hydraulic control system

Also Published As

Publication number Publication date
DE1750413C3 (de) 1978-08-31
DE1750413A1 (de) 1971-04-22
DE1750413B2 (de) 1977-12-29
SE341532B (de) 1971-12-27
FR1562719A (de) 1969-04-04
US3596566A (en) 1971-08-03

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