GB545670A - Improvements in or relating to braking systems for vehicles - Google Patents

Improvements in or relating to braking systems for vehicles

Info

Publication number
GB545670A
GB545670A GB1825740A GB1825740A GB545670A GB 545670 A GB545670 A GB 545670A GB 1825740 A GB1825740 A GB 1825740A GB 1825740 A GB1825740 A GB 1825740A GB 545670 A GB545670 A GB 545670A
Authority
GB
United Kingdom
Prior art keywords
piston
operated
master
pressure
cylinder
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
GB1825740A
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 GB1825740A priority Critical patent/GB545670A/en
Publication of GB545670A publication Critical patent/GB545670A/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
    • 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
    • B60T13/12—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 liquid
    • B60T13/14—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 liquid using accumulators or reservoirs fed by pumps
    • B60T13/142—Systems with master cylinder
    • B60T13/143—Master cylinder mechanically coupled with booster

Abstract

545,670. Hydraulic brakes. AUTOMOTIVE PRODUCTS CO., Ltd., and PARNELL, F. G. Dec. 31,1940, No. 18257. [Class 103 (i)] Braking systems for vehicles shown in Fig. 1 have one set of brakes operated by a master cylinder 10, and another set operated at the same time by pressure means, such as a pump 44 and accumulator 19, delivering pressure fluid through a pedal-controlled valve 18, Fig. 2, to an outlet leading to the brake cylinders, part of the same supply actuating a piston 15 for operating the master piston of cylinder 10. A lever 24 pivoted at its mid-point to the rod between the piston 15 and the master piston is connected to a pedal 27 and to the valve 18 so that either pressure system may be directly operated by the pedal if the other fails. Fig. 4 shows a master cylinder 53 with its piston 52 having integral with it a piston 51 receiving pressure to operate the piston 52 from a circulating system of the kind described in Specification 545,667. Until the pedal advances the thrust-rod 77 to move forward a plunger 57 to close the valve 73, 74 fluid from a pump enters a cylinder behind the master'cylinder through a port 64 and passes through the valve into a central passage in the plunger 57 and out to exhaust through port 65; as in the form shown in Fig. one set of brakes additional to one operated by the master cylinder is operated from the pressure supply used to actuate the master cylinder. In vehicles having more than two pairs of wheels a "tandem" master cylinder, such as that described in Specification 446,364, may be used for operating two sets of brakes. An exhauster to create a vacuum may be used instead of a source of pressure.
GB1825740A 1940-12-31 1940-12-31 Improvements in or relating to braking systems for vehicles Expired GB545670A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1825740A GB545670A (en) 1940-12-31 1940-12-31 Improvements in or relating to braking systems for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1825740A GB545670A (en) 1940-12-31 1940-12-31 Improvements in or relating to braking systems for vehicles

Publications (1)

Publication Number Publication Date
GB545670A true GB545670A (en) 1942-06-08

Family

ID=10109353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1825740A Expired GB545670A (en) 1940-12-31 1940-12-31 Improvements in or relating to braking systems for vehicles

Country Status (1)

Country Link
GB (1) GB545670A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020878B (en) * 1955-07-20 1957-12-12 Teves Kg Alfred Hydraulic actuation system for brakes and other devices, especially n motor vehicles
DE1134904B (en) * 1955-06-01 1962-08-16 Dunlop Rubber Co Brake valve combined with a master cylinder for a hydraulic brake actuation system intended in particular for motor vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134904B (en) * 1955-06-01 1962-08-16 Dunlop Rubber Co Brake valve combined with a master cylinder for a hydraulic brake actuation system intended in particular for motor vehicles
DE1020878B (en) * 1955-07-20 1957-12-12 Teves Kg Alfred Hydraulic actuation system for brakes and other devices, especially n motor vehicles

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