GB1168512A - Improvements in or relating to Fluid Control Valves - Google Patents

Improvements in or relating to Fluid Control Valves

Info

Publication number
GB1168512A
GB1168512A GB45815/67A GB4581567A GB1168512A GB 1168512 A GB1168512 A GB 1168512A GB 45815/67 A GB45815/67 A GB 45815/67A GB 4581567 A GB4581567 A GB 4581567A GB 1168512 A GB1168512 A GB 1168512A
Authority
GB
United Kingdom
Prior art keywords
relating
control valves
fluid control
spool
valves
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
GB45815/67A
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.)
Continental Teves AG and Co oHG
Original Assignee
Alfred Teves 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 Alfred Teves GmbH filed Critical Alfred Teves GmbH
Publication of GB1168512A publication Critical patent/GB1168512A/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
    • F16K11/0708—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 means to avoid jamming of the slide or means to modify the flow
    • 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]

Abstract

1,168,512. Valves. ALFRED TEVES G.m.b.H. 6 Oct., 1967 [14 Feb., 1967], No. 45815/67. Heading F2V. The grooves 13 in the spool 20 of a slide valve are shaped as shown to provide a fluid reaction force tending to assist the spring (not shown) to return the spool to its neutral position.
GB45815/67A 1967-02-14 1967-10-06 Improvements in or relating to Fluid Control Valves Expired GB1168512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET0033196 1967-02-14

Publications (1)

Publication Number Publication Date
GB1168512A true GB1168512A (en) 1969-10-29

Family

ID=7557580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45815/67A Expired GB1168512A (en) 1967-02-14 1967-10-06 Improvements in or relating to Fluid Control Valves

Country Status (3)

Country Link
US (1) US3525500A (en)
FR (1) FR1550009A (en)
GB (1) GB1168512A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165031A (en) * 1984-10-01 1986-04-03 Johnston Fluid Power Limited Spool valves

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747642A (en) * 1971-10-26 1973-07-24 Koehring Co Throttle notches for control valve spools
JPS5396240U (en) * 1977-01-10 1978-08-04
US4155535A (en) * 1977-03-09 1979-05-22 The Johns Hopkins University Low axial force servo valve spool
JPS5412134U (en) * 1977-06-29 1979-01-26
WO1983003655A1 (en) * 1982-04-07 1983-10-27 The British Hydromechanics Research Association A liquid flow control assembly
US4750511A (en) * 1986-12-22 1988-06-14 General Motors Corporation Fluid pressure spool valve and method of controlling pressure forces acting thereon
GB8717963D0 (en) * 1987-07-29 1987-09-03 Vickers Systems Ltd Spool
US4941508A (en) * 1989-12-28 1990-07-17 Dana Corporation Force balanced hydraulic spool valve
FR2783892B1 (en) * 1998-09-25 2000-12-15 Peugeot HYDRAULIC DISTRIBUTOR WITH SYMMETRIC OPERATION
US7431043B2 (en) * 2005-03-17 2008-10-07 Borgwarner Inc. Automatic transmission having a pressure regulator with flow force compensation
CN105065659A (en) * 2009-09-10 2015-11-18 博格华纳公司 Hydraulic circuit for automatic transmission having area controlled shift actuator valve with flow force compensation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA672106A (en) * 1963-10-08 The Cessna Aircraft Company Method of and construction for stabilizing spool movement in a spool type valve
US2812775A (en) * 1956-09-10 1957-11-12 New York Air Brake Co Stabilizing means for high pressure hydraulic valves of the plunger type
US3009480A (en) * 1959-09-25 1961-11-21 Cessna Aircraft Co Flow control valve with axial force stabilizing spool or plunger
US3049147A (en) * 1961-07-24 1962-08-14 Gardner Machines Inc Reciprocating system and valve therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165031A (en) * 1984-10-01 1986-04-03 Johnston Fluid Power Limited Spool valves

Also Published As

Publication number Publication date
US3525500A (en) 1970-08-25
FR1550009A (en) 1968-12-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees