GB563862A - Improvements in or relating to liquid pressure operated controlling systems - Google Patents

Improvements in or relating to liquid pressure operated controlling systems

Info

Publication number
GB563862A
GB563862A GB157843A GB157843A GB563862A GB 563862 A GB563862 A GB 563862A GB 157843 A GB157843 A GB 157843A GB 157843 A GB157843 A GB 157843A GB 563862 A GB563862 A GB 563862A
Authority
GB
United Kingdom
Prior art keywords
valve
pressure
motor
choke
outlet
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
GB157843A
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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 Automotive Products PLC filed Critical Automotive Products PLC
Priority to GB157843A priority Critical patent/GB563862A/en
Publication of GB563862A publication Critical patent/GB563862A/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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
    • 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
    • F16H—GEARING
    • F16H2716/00—Control devices for speed-change mechanisms of planetary gearings, with toothed wheels remaining engaged, e.g. also for devices to simplify the control or for synchronising devices combined with control devices

Abstract

563,862. Hydraulic control systems. AUTOMOTIVE PRODUCTS, CO., Ltd., and CHOUINGS, L. C. Jan. 29, 1943, No. 1578. [Classes 69 (ii) and 135] [Also in Group XXXIV] A liquid pressure system for operating a motor unit, e.g. for operating brake bands of an epicyclic gear or for operating clutches, comprises two paths to the motor, one unrestricted and the other restricted by a choke or resistance, the unrestricted path being controlled by a valve influenced in opposite directions by pressure liquid and resilient means. As shown, a valve block having a pressure inlet 22, an outlet 39 to a liquid reservoir, and an outlet 30 to the motor unit, has a valve 44 opened by a plunger 57 and an electromagnetically-operated rod 29 to allow pressure liquid to pass to an aperture 83, from which it may pass to the outlet 30 through a choke constituted by a stack of dished plates 78 with apertures out of register, and also through a groove 68 and apertures 75 in a valve 61. When the pressure in the motor reaches a predetermined value, the valve 61 is moved by the pressure against the resistance of a spring 63 to cut off the supply to the groove 68, and the motor is supplied through the choke only.
GB157843A 1943-01-29 1943-01-29 Improvements in or relating to liquid pressure operated controlling systems Expired GB563862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB157843A GB563862A (en) 1943-01-29 1943-01-29 Improvements in or relating to liquid pressure operated controlling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB157843A GB563862A (en) 1943-01-29 1943-01-29 Improvements in or relating to liquid pressure operated controlling systems

Publications (1)

Publication Number Publication Date
GB563862A true GB563862A (en) 1944-09-01

Family

ID=9724384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB157843A Expired GB563862A (en) 1943-01-29 1943-01-29 Improvements in or relating to liquid pressure operated controlling systems

Country Status (1)

Country Link
GB (1) GB563862A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847029A (en) * 1953-12-28 1958-08-12 Ford Motor Co Control valve for tractor hydraulic systems
DE1226443B (en) * 1960-07-07 1966-10-06 Daimler Benz Ag Parking brake in vehicles, especially in motor vehicles, that works with auxiliary assistance
DE1232827B (en) * 1960-01-30 1967-01-19 Teves Kg Alfred Circuit for a servo motor
DE1248490B (en) * 1962-08-29 1967-08-24 Berg Airlectro Products Co Control valve for compressed air braking systems on vehicles, especially motor vehicles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847029A (en) * 1953-12-28 1958-08-12 Ford Motor Co Control valve for tractor hydraulic systems
DE1232827B (en) * 1960-01-30 1967-01-19 Teves Kg Alfred Circuit for a servo motor
DE1226443B (en) * 1960-07-07 1966-10-06 Daimler Benz Ag Parking brake in vehicles, especially in motor vehicles, that works with auxiliary assistance
DE1248490B (en) * 1962-08-29 1967-08-24 Berg Airlectro Products Co Control valve for compressed air braking systems on vehicles, especially motor vehicles

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