GB671959A - Improvements in or relating to master-cylinders for hydraulic brakes - Google Patents

Improvements in or relating to master-cylinders for hydraulic brakes

Info

Publication number
GB671959A
GB671959A GB21478/49A GB2147849A GB671959A GB 671959 A GB671959 A GB 671959A GB 21478/49 A GB21478/49 A GB 21478/49A GB 2147849 A GB2147849 A GB 2147849A GB 671959 A GB671959 A GB 671959A
Authority
GB
United Kingdom
Prior art keywords
hydraulic brakes
master
cylinders
relating
aug
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
GB21478/49A
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.)
STOP Sarl
Original Assignee
STOP Sarl
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 STOP Sarl filed Critical STOP Sarl
Publication of GB671959A publication Critical patent/GB671959A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16—Master control, e.g. master cylinders
    • B60T11/224—Master control, e.g. master cylinders with pressure-varying means, e.g. with two stage operation provided by use of different piston diameters including continuous variation from one diameter to another

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

671,959. Fluid-actuated valves. BOLSEZIAN, G., and STOP SOC. AR.L. Aug. 18, 1949, [Aug. 20, 1948], No. 21478/49. Class 135 [Also in Group XXXIV] A valve for controlling the flow through a passage in the piston of a master cylinder for hydraulic brakes is moved from the closed position shown in Fig. 4 to the open position shown in Fig. 5 when the pressure on one side of the piston becomes sufficient to flex radially the end of a coiled spring 21 out of a groove 22. The valve is reclosed by contact of the end 16 with a fixed abutment.
GB21478/49A 1948-08-20 1949-08-18 Improvements in or relating to master-cylinders for hydraulic brakes Expired GB671959A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR671959X 1948-08-20

Publications (1)

Publication Number Publication Date
GB671959A true GB671959A (en) 1952-05-14

Family

ID=9017247

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21478/49A Expired GB671959A (en) 1948-08-20 1949-08-18 Improvements in or relating to master-cylinders for hydraulic brakes

Country Status (1)

Country Link
GB (1) GB671959A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227353B (en) * 1960-01-13 1966-10-20 Renault Master cylinder for hydraulic braking devices, especially for motor vehicles
US3981146A (en) * 1972-09-13 1976-09-21 Borg-Warner Corporation Variable ratio master cylinder
GB2148430A (en) * 1983-10-21 1985-05-30 Teves Gmbh Alfred Two-stage master cylinder pressurisation in a hydraulic brake system with wheel slip control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227353B (en) * 1960-01-13 1966-10-20 Renault Master cylinder for hydraulic braking devices, especially for motor vehicles
US3981146A (en) * 1972-09-13 1976-09-21 Borg-Warner Corporation Variable ratio master cylinder
GB2148430A (en) * 1983-10-21 1985-05-30 Teves Gmbh Alfred Two-stage master cylinder pressurisation in a hydraulic brake system with wheel slip control

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