GB2396893B - Method for testing a hydraulic vehicle braking system for undissolved gas in the brake fluid - Google Patents

Method for testing a hydraulic vehicle braking system for undissolved gas in the brake fluid

Info

Publication number
GB2396893B
GB2396893B GB0326404A GB0326404A GB2396893B GB 2396893 B GB2396893 B GB 2396893B GB 0326404 A GB0326404 A GB 0326404A GB 0326404 A GB0326404 A GB 0326404A GB 2396893 B GB2396893 B GB 2396893B
Authority
GB
United Kingdom
Prior art keywords
testing
braking system
brake fluid
vehicle braking
hydraulic vehicle
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
GB0326404A
Other versions
GB2396893A (en
GB0326404D0 (en
Inventor
Toralf Trautmann
Omar Brahmi
Benoit Ghesquiere
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB0326404D0 publication Critical patent/GB0326404D0/en
Publication of GB2396893A publication Critical patent/GB2396893A/en
Application granted granted Critical
Publication of GB2396893B publication Critical patent/GB2396893B/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
    • B60T8/40—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
    • B60T8/4081—Systems with stroke simulating devices for driver input
    • 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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
    • 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
    • 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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
GB0326404A 2002-11-15 2003-11-12 Method for testing a hydraulic vehicle braking system for undissolved gas in the brake fluid Expired - Fee Related GB2396893B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10253296A DE10253296A1 (en) 2002-11-15 2002-11-15 Car hydraulic brake undissolved gas test procedure, compares regression lines fitted to measured pressure versus piston travel with predicted values

Publications (3)

Publication Number Publication Date
GB0326404D0 GB0326404D0 (en) 2003-12-17
GB2396893A GB2396893A (en) 2004-07-07
GB2396893B true GB2396893B (en) 2004-12-15

Family

ID=29723944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0326404A Expired - Fee Related GB2396893B (en) 2002-11-15 2003-11-12 Method for testing a hydraulic vehicle braking system for undissolved gas in the brake fluid

Country Status (2)

Country Link
DE (1) DE10253296A1 (en)
GB (1) GB2396893B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103975173B (en) * 2011-11-24 2017-09-08 舍弗勒技术股份两合公司 The operating system of hydraulic pressure
DE102012221770B4 (en) 2012-05-14 2014-08-28 Ford Global Technologies, Llc Test method for a brake system
DE102016214652A1 (en) * 2016-08-08 2018-02-08 Continental Teves Ag & Co. Ohg Dual-circuit slip-controlled brake system
FR3131722A1 (en) * 2022-01-10 2023-07-14 Psa Automobiles Sa DECELERATION CONTROL METHOD IN A VEHICLE DRIVING ROBOT MOUNTED ON A ROLLER TEST BENCH AND DRIVING ROBOT

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19603867A1 (en) * 1996-02-03 1997-08-07 Bosch Gmbh Robert Motor vehicle brake monitoring method
US5767397A (en) * 1996-02-03 1998-06-16 Robert Bosch Gmbh Method and apparatus for testing the brake system of a vehicle
US5908983A (en) * 1996-02-03 1999-06-01 Robert Bosch Gmbh Method and apparatus for testing the brake system of a vehicle
JP2002145042A (en) * 2000-11-10 2002-05-22 Kanto Auto Works Ltd Detector for air inclusion in vehicular hydraulic pressure brake

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19603867A1 (en) * 1996-02-03 1997-08-07 Bosch Gmbh Robert Motor vehicle brake monitoring method
US5767397A (en) * 1996-02-03 1998-06-16 Robert Bosch Gmbh Method and apparatus for testing the brake system of a vehicle
US5908983A (en) * 1996-02-03 1999-06-01 Robert Bosch Gmbh Method and apparatus for testing the brake system of a vehicle
JP2002145042A (en) * 2000-11-10 2002-05-22 Kanto Auto Works Ltd Detector for air inclusion in vehicular hydraulic pressure brake

Also Published As

Publication number Publication date
DE10253296A1 (en) 2004-05-27
GB2396893A (en) 2004-07-07
GB0326404D0 (en) 2003-12-17

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Legal Events

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

Effective date: 20141112