GB1375073A - - Google Patents

Info

Publication number
GB1375073A
GB1375073A GB319872A GB319872A GB1375073A GB 1375073 A GB1375073 A GB 1375073A GB 319872 A GB319872 A GB 319872A GB 319872 A GB319872 A GB 319872A GB 1375073 A GB1375073 A GB 1375073A
Authority
GB
United Kingdom
Prior art keywords
passage
detent
ram
valve
spring
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
GB319872A
Other languages
English (en)
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 filed Critical
Publication of GB1375073A publication Critical patent/GB1375073A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K11/0704—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 comprising locking elements
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return
    • 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
    • Y10T137/2544—Supply and exhaust type
    • Y10T137/2554—Reversing or 4-way valve systems
    • 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
    • Y10T137/86485—Line condition change responsive release of valve
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Hydraulic Motors (AREA)
GB319872A 1971-08-02 1972-01-24 Expired GB1375073A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16792671A 1971-08-02 1971-08-02

Publications (1)

Publication Number Publication Date
GB1375073A true GB1375073A (xx) 1974-11-27

Family

ID=22609391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB319872A Expired GB1375073A (xx) 1971-08-02 1972-01-24

Country Status (7)

Country Link
US (1) US3738379A (xx)
JP (1) JPS4825223A (xx)
AU (1) AU456415B2 (xx)
CA (1) CA948522A (xx)
DE (1) DE2232864C3 (xx)
FR (1) FR2147914B1 (xx)
GB (1) GB1375073A (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022109A (en) * 1971-08-20 1977-05-10 Deltrol Corporation Automatic directional control valve
US4007666A (en) * 1974-05-23 1977-02-15 Pneumo Corporation Servoactuator
US4191202A (en) * 1976-10-26 1980-03-04 Textron, Inc. Polarity control valve
US4293059A (en) * 1979-09-05 1981-10-06 Allis-Chalmers Corporation Detent mechanism and transmission speed range selector valve
US4367763A (en) * 1981-03-09 1983-01-11 Glen Brand Four-way directional valve
DE3134858A1 (de) * 1981-09-03 1983-03-17 Klöckner-Humboldt-Deutz AG, 5000 Köln Hydraulisches steuergeraet
US4522373A (en) * 1983-09-06 1985-06-11 Clark Equipment Company Valve detent
DE19528974A1 (de) * 1995-08-07 1997-02-13 Rexroth Mannesmann Gmbh Wegeventil
US5911245A (en) * 1998-06-09 1999-06-15 Caterpillar Inc. Flow force spool valve
US20040089830A1 (en) * 2002-09-17 2004-05-13 Hydraforce, Inc. Manually operated hydraulic valve with a position detent
US6976504B2 (en) * 2003-04-18 2005-12-20 Sauer-Danfoss Inc. Selectable detent relief valve
JP4276491B2 (ja) * 2003-08-04 2009-06-10 日立建機株式会社 方向切換弁ブロック
EP1872018B1 (de) * 2005-04-20 2008-08-06 Bucher Hydraulics AG Steuerventil für einen hydromotor
DE102018208893A1 (de) * 2018-06-06 2019-12-12 Robert Bosch Gmbh Direktgesteuertes hydraulisches Wegeventil
EP3835154A1 (en) * 2019-11-29 2021-06-16 MICO Inc. Valve assembly including multiple gain states
EP4065869A1 (en) * 2019-11-29 2022-10-05 ZF Off-Highway Solutions Minnesota Inc. Valve assembly including multiple gain states

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2848014A (en) * 1955-12-19 1958-08-19 Hydraulic Unit Specialities Co Detent mechanism for hydraulic control valves
US3170377A (en) * 1959-06-10 1965-02-23 Dempster Brothers Inc Compaction apparatus
US3132668A (en) * 1961-02-13 1964-05-12 Parker Hannifin Corp Detent release for flow control valves
US3263574A (en) * 1964-06-15 1966-08-02 Hydraulic Unit Specialities Co Speed and directional control valve for double acting lift cylinder
US3247768A (en) * 1965-06-16 1966-04-26 Hydraulic Unit Specialities Co Interlock for hydraulic control valves and the like
US3568717A (en) * 1969-09-15 1971-03-09 Allis Chalmers Mfg Co Hydraulic valve detent mechanism
US3618634A (en) * 1970-01-05 1971-11-09 Int Harvester Co Hydraulic control valve with flow-sensitive unlatching mechanism

Also Published As

Publication number Publication date
FR2147914A1 (xx) 1973-03-11
DE2232864B2 (de) 1979-11-22
AU3942972A (en) 1973-08-30
JPS4825223A (xx) 1973-04-02
AU456415B2 (en) 1974-12-02
DE2232864C3 (de) 1980-08-07
US3738379A (en) 1973-06-12
DE2232864A1 (de) 1973-03-01
FR2147914B1 (xx) 1975-08-29
CA948522A (en) 1974-06-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee