GB2318621B - Hydraulic braking systems - Google Patents

Hydraulic braking systems

Info

Publication number
GB2318621B
GB2318621B GB9720424A GB9720424A GB2318621B GB 2318621 B GB2318621 B GB 2318621B GB 9720424 A GB9720424 A GB 9720424A GB 9720424 A GB9720424 A GB 9720424A GB 2318621 B GB2318621 B GB 2318621B
Authority
GB
United Kingdom
Prior art keywords
hydraulic braking
braking systems
systems
hydraulic
braking
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 - Fee Related
Application number
GB9720424A
Other versions
GB9720424D0 (en
GB2318621A (en
Inventor
Matthew John Nightingale
Stephen Philip Wise
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.)
WILLIAMS GRAND PRIX ENG
Original Assignee
WILLIAMS GRAND PRIX ENG
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 WILLIAMS GRAND PRIX ENG filed Critical WILLIAMS GRAND PRIX ENG
Priority to GB9720424A priority Critical patent/GB2318621B/en
Publication of GB9720424D0 publication Critical patent/GB9720424D0/en
Publication of GB2318621A publication Critical patent/GB2318621A/en
Application granted granted Critical
Publication of GB2318621B publication Critical patent/GB2318621B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3655—Continuously controlled electromagnetic valves
    • B60T8/366—Valve details
    • B60T8/3665—Sliding valves
    • 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
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/42—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition having expanding chambers for controlling pressure, i.e. closed systems
    • B60T8/4208—Debooster systems
    • B60T8/4225—Debooster systems having a fluid actuated expansion unit
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/48—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
    • B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
    • B60T8/4827—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems
    • B60T8/4863—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems
GB9720424A 1993-12-14 1993-12-14 Hydraulic braking systems Expired - Fee Related GB2318621B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9720424A GB2318621B (en) 1993-12-14 1993-12-14 Hydraulic braking systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9720424A GB2318621B (en) 1993-12-14 1993-12-14 Hydraulic braking systems
GB9325495A GB2284871B (en) 1993-12-14 1993-12-14 Hydraulic braking systems

Publications (3)

Publication Number Publication Date
GB9720424D0 GB9720424D0 (en) 1997-11-26
GB2318621A GB2318621A (en) 1998-04-29
GB2318621B true GB2318621B (en) 1998-06-17

Family

ID=10746534

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9720424A Expired - Fee Related GB2318621B (en) 1993-12-14 1993-12-14 Hydraulic braking systems
GB9325495A Expired - Fee Related GB2284871B (en) 1993-12-14 1993-12-14 Hydraulic braking systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9325495A Expired - Fee Related GB2284871B (en) 1993-12-14 1993-12-14 Hydraulic braking systems

Country Status (1)

Country Link
GB (2) GB2318621B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50113756D1 (en) * 2000-03-27 2008-04-30 Continental Teves Ag & Co Ohg BRAKING SYSTEM FOR MOTOR VEHICLES

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152585A (en) * 1991-10-31 1992-10-06 Allied-Signal Inc. Electro-hydraulic braking system with master cylinder piloted valve
WO1993000236A1 (en) * 1991-06-26 1993-01-07 Allied-Signal Inc. Electrohydraulic braking system with push through capability
WO1996011129A1 (en) * 1994-10-06 1996-04-18 Lucas Industries Public Limited Company Improvements in hydraulic braking systems for vehicles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3124755A1 (en) * 1981-06-24 1983-01-13 Robert Bosch Gmbh, 7000 Stuttgart VEHICLE BRAKE SYSTEM
JPH0637162B2 (en) * 1984-12-12 1994-05-18 住友電気工業株式会社 Vehicle braking force control device
DE3511533A1 (en) * 1985-03-29 1986-10-09 Alfred Teves Gmbh, 6000 Frankfurt BRAKE SYSTEM FOR MOTOR VEHICLES
US4995677A (en) * 1989-03-13 1991-02-26 Honda Giken Kogyo Kabushiki Kaisha Hydraulic braking pressure control system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993000236A1 (en) * 1991-06-26 1993-01-07 Allied-Signal Inc. Electrohydraulic braking system with push through capability
US5152585A (en) * 1991-10-31 1992-10-06 Allied-Signal Inc. Electro-hydraulic braking system with master cylinder piloted valve
WO1996011129A1 (en) * 1994-10-06 1996-04-18 Lucas Industries Public Limited Company Improvements in hydraulic braking systems for vehicles

Also Published As

Publication number Publication date
GB9720424D0 (en) 1997-11-26
GB9325495D0 (en) 1994-02-16
GB2284871A (en) 1995-06-21
GB2284871B (en) 1998-06-17
GB2318621A (en) 1998-04-29

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Legal Events

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

Effective date: 20041214