FR924438A - Servo-control device operating by fluid pressure, in particular for automobile brakes and clutches - Google Patents

Servo-control device operating by fluid pressure, in particular for automobile brakes and clutches

Info

Publication number
FR924438A
FR924438A FR924438DA FR924438A FR 924438 A FR924438 A FR 924438A FR 924438D A FR924438D A FR 924438DA FR 924438 A FR924438 A FR 924438A
Authority
FR
France
Prior art keywords
clutches
servo
control device
fluid pressure
device operating
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
Other languages
French (fr)
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.)
Wabco Automotive UK Ltd
Original Assignee
Clayton Dewandre Co Ltd
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 Clayton Dewandre Co Ltd filed Critical Clayton Dewandre Co Ltd
Application granted granted Critical
Publication of FR924438A publication Critical patent/FR924438A/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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/241—Differential pressure systems
    • B60T13/242—The control valve is provided as one unit with the servomotor cylinder
    • B60T13/243—Mechanical command of the control valve, mechanical transmission to the brakes
FR924438D 1941-05-12 1946-03-26 Servo-control device operating by fluid pressure, in particular for automobile brakes and clutches Expired FR924438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB611241A GB549300A (en) 1941-05-12 1941-05-12 Improvements in or relating to fluid pressure servo devices

Publications (1)

Publication Number Publication Date
FR924438A true FR924438A (en) 1947-08-05

Family

ID=9808599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924438D Expired FR924438A (en) 1941-05-12 1946-03-26 Servo-control device operating by fluid pressure, in particular for automobile brakes and clutches

Country Status (4)

Country Link
BE (1) BE464118A (en)
FR (1) FR924438A (en)
GB (1) GB549300A (en)
NL (1) NL66890C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516179A1 (en) * 1981-11-12 1983-05-13 Wabco Freinage Vehicules Sa Fluid pressure servomotor for clutch operation - has pressure reducer in piston to control piston thrust on lever

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104742A (en) * 1963-09-24 pm jftsz
US2544042A (en) * 1945-06-09 1951-03-06 Bendix Aviat Corp Hydraulic power brake servo mechanism
US2574335A (en) * 1948-02-21 1951-11-06 Ledue Rene Fluid-pressure motor device for control systems
US2916882A (en) * 1956-01-03 1959-12-15 Gen Motors Corp Hydraulic power brake booster
US3024592A (en) * 1960-11-09 1962-03-13 Lockheed Aircraft Corp Pin actuating device
JPS5914301Y2 (en) * 1979-07-24 1984-04-26 日信工業株式会社 Negative pressure booster

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516179A1 (en) * 1981-11-12 1983-05-13 Wabco Freinage Vehicules Sa Fluid pressure servomotor for clutch operation - has pressure reducer in piston to control piston thrust on lever

Also Published As

Publication number Publication date
GB549300A (en) 1942-11-16
BE464118A (en)
NL66890C (en)

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