GB1309242A - Hydraulic braking systems for vehicles - Google Patents

Hydraulic braking systems for vehicles

Info

Publication number
GB1309242A
GB1309242A GB1309242DA GB1309242A GB 1309242 A GB1309242 A GB 1309242A GB 1309242D A GB1309242D A GB 1309242DA GB 1309242 A GB1309242 A GB 1309242A
Authority
GB
United Kingdom
Prior art keywords
piston
extension
march
engages
telescopic assembly
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
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.)
Girling Ltd
Original Assignee
Girling 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 Girling Ltd filed Critical Girling Ltd
Publication of GB1309242A publication Critical patent/GB1309242A/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
    • B60T13/145—Master cylinder integrated or hydraulically coupled with booster
    • B60T13/146—Part of the system directly actuated by booster pressure

Abstract

1309242 Master cylinders GIRLING Ltd 11 March 1970 [28 March 1969] 16377/69 Addition to 1229925 Heading F2F In an improvement in or modification of the master cylinder of Specification 1,229,925 an axial extension 5 associated with one portion 2 co-operates with the other piston 17 upon failure of at least the first pressure space 42 and the piston 17 forms part of a telescopic assembly of which the effective length increases to an extended position as the piston is advanced in the cylinder bore when subjected to hydraulic pressure so that when failure occurs the extension 5 has to move a minimum distance to engage the piston 17. As the extension engages the piston 17 it engages a sealing ring 40 so that a column of fluid in an inner piston 36 of the telescopic assembly forms a substantially incompressible strut to advance an outer piston 25 to deliver fluid under pressure to the secondary brake system.
GB1309242D 1968-06-14 1969-03-28 Hydraulic braking systems for vehicles Expired GB1309242A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB2829968 1968-06-14
GB2829668 1968-06-14
GB1637769 1969-03-28
GB1688869 1969-04-01

Publications (1)

Publication Number Publication Date
GB1309242A true GB1309242A (en) 1973-03-07

Family

ID=27448351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1309242D Expired GB1309242A (en) 1968-06-14 1969-03-28 Hydraulic braking systems for vehicles

Country Status (3)

Country Link
DE (2) DE2062540C3 (en)
FR (1) FR2049056B2 (en)
GB (1) GB1309242A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1425784A (en) * 1971-10-01 1976-02-18 Bendix Corp Hydraulic booster
US4503677A (en) * 1982-05-20 1985-03-12 Allied Corporation Master cylinder
DE4240515A1 (en) * 1992-12-02 1994-06-09 Teves Gmbh Alfred Master cylinder with plunger and deep-drawn stage housing
DE19536325A1 (en) * 1995-09-29 1997-04-03 Teves Gmbh Alfred Master cylinder for hydraulic brake system of motor vehicle
DE19854106A1 (en) * 1998-11-24 2000-05-25 Continental Teves Ag & Co Ohg Tandem master cylinder for hydraulic dual circuit brake systems in motor vehicles has valve opened and closed by actuator element, controlled by and projecting over piston, to reduce unit length

Also Published As

Publication number Publication date
FR2049056A2 (en) 1971-03-26
DE2062540C3 (en) 1976-01-02
FR2049056B2 (en) 1974-08-09
DE2014890A1 (en) 1971-02-11
DE2065012A1 (en) 1972-03-02
DE2062540A1 (en) 1972-05-25
DE2065012B2 (en) 1975-11-13
DE2014890B2 (en) 1974-09-12
DE2062540B2 (en) 1975-04-24
DE2014890C3 (en) 1975-07-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee