GB909255A - Braking regulator - Google Patents

Braking regulator

Info

Publication number
GB909255A
GB909255A GB402059A GB402059A GB909255A GB 909255 A GB909255 A GB 909255A GB 402059 A GB402059 A GB 402059A GB 402059 A GB402059 A GB 402059A GB 909255 A GB909255 A GB 909255A
Authority
GB
United Kingdom
Prior art keywords
brake
pressure
generator
signal
wheel
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
GB402059A
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.)
RECH ETUDES PROD
Recherches Etudes Production REP SARL
Original Assignee
RECH ETUDES PROD
Recherches Etudes Production REP 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 RECH ETUDES PROD, Recherches Etudes Production REP SARL filed Critical RECH ETUDES PROD
Publication of GB909255A publication Critical patent/GB909255A/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
    • 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
    • B60T8/367—Seat valves, e.g. poppet 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
    • 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
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
    • B60T8/1761—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure
    • B60T8/17613—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure based on analogue circuits or digital circuits comprised of discrete electronic elements
    • 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
    • B60T8/321—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 deceleration
    • B60T8/329—Systems characterised by their speed sensor arrangements
    • 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
    • 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
    • B60T8/50—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 means for controlling the rate at which pressure is reapplied to or released from the brake
    • B60T8/5087—Pressure release using restrictions
    • B60T8/5093—Pressure release using restrictions in hydraulic brake systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Regulating Braking Force (AREA)

Abstract

909,255. Fluid-pressure brakes. RECHERCHES ETUDES PRODUCTION. Feb. 4, 1959 [Feb. 4, 1958; Jan. 28, 1959], No. 4020/59. Class 103 (1). An anti-skid device provides, during braking, an electric signal the intensity of which is proportional to the difference between the intensity of a current which is a function of the rotational velocity of a braked wheel and that of a current which is a function of the rotational velocity corresponding to a deceleration equal to the maximum deceleration permissible to avoid skidding, the signal controlling the braking pressure. A generator 4, driven from wheel cap 6 and housed in stub axle 2, drives a generator 5 through a free wheel 7, a brake 8 being included to decelerate generator 5 corresponding to the maximum deceleration permissible to avoid skidding. Normally, the generators rotate together and the currents produced in circuit 9, 10 cancel out, but on skidding, generator 5 overruns generator 4 through flywheel 7, the resulting current acting through amplifier 11 on a solenoid-operated valve 24 to open it against spring 25 to release pressure liquid from the brake line 26, which pressure is normally controlled by lever 15 operating valve 14. In Fig. 2, not shown, a single generator in the stub axle has a rotor driven by the wheel cap and a stator driven from the shaft of the rotor through a free-wheel. Whilst in Fig. 3 a single D.C. generator 34 normally charges condenser 37 to produce a current f1 but should the wheel decelerate more quickly than the condenser discharges the point N will be at a higher potential than point M so producing a current f2 to establish brake release. Apparatus responsive to the electric signal to release the brakes is shown in Figs. 4 and 5. In Fig. 4 the signal operates a distributer 38 to supply pressure from conduit 39 to conduit 41 and chamber 42 of cylinder 43 to oppose the pressure on piston 44, 45 from the brake control pipe 49 to reduce the pressure in chamber 46 and brake pipe 48. In Fig. 5, electric apparatus 50 energized from source 54 receives a voltage from potentiometer 52 whose cursor 53 is positioned by the brake pedal to produce a signal i to move a waisted piston 60 from the shown normal position to connect brake pipe 58 to supply line 57; on skidding a signal a operates apparatus 50 to modify signal i to move piston 60 to connect brake pipe 58 to return pipe 59 to relieve braking pressure. A valve (Fig. 6, not shown) may be connected in the hydraulic pressure circuit to ensure a release of the brake more quickly than reapplication of the brake during very slippery conditions. A further control circuit is shown in Fig. 7 which renders the deceleration of a braked wheel constant.
GB402059A 1958-02-04 1959-02-04 Braking regulator Expired GB909255A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR757465 1958-02-04
FR785195A FR74873E (en) 1958-02-04 1959-01-28 Progressive brake regulator

Publications (1)

Publication Number Publication Date
GB909255A true GB909255A (en) 1962-10-31

Family

ID=26183332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB402059A Expired GB909255A (en) 1958-02-04 1959-02-04 Braking regulator

Country Status (2)

Country Link
FR (2) FR1198721A (en)
GB (1) GB909255A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937748Y1 (en) * 1973-04-24 1974-10-16
DE2527343A1 (en) * 1974-06-21 1976-01-08 Bendix Corp SPEED MEASURING UNIT
US3951467A (en) * 1975-02-03 1976-04-20 Wagner Electric Corporation Wheel slip control system for automotive vehicles and the like
JPS5117662B1 (en) * 1970-12-25 1976-06-03
JPS5136152Y1 (en) * 1970-12-30 1976-09-04
JPS5131354B1 (en) * 1970-12-30 1976-09-06
DE2610574A1 (en) * 1975-07-16 1977-02-03 Kelsey Hayes Co ROTATION SPEED SENSOR
US4094556A (en) * 1968-04-24 1978-06-13 Nippondenso Kabushiki Kaisha Anti-skid system for a vehicle
US4125296A (en) * 1970-01-26 1978-11-14 Toyota Jidosha Kogyo Kabushiki Kaisha Skid control system for vehicles
US4353601A (en) * 1969-06-30 1982-10-12 Texas Instruments Incorporated Vehicle skid control

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2091861B2 (en) * 1970-02-04 1974-08-09 Messier Hispano Sa
US3640588A (en) * 1970-03-03 1972-02-08 Bendix Corp Means for delaying effective control of vehicle braking by an adaptive braking system until certain wheel velocity and deceleration conditions have been satisfied

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094556A (en) * 1968-04-24 1978-06-13 Nippondenso Kabushiki Kaisha Anti-skid system for a vehicle
US4353601A (en) * 1969-06-30 1982-10-12 Texas Instruments Incorporated Vehicle skid control
US4125296A (en) * 1970-01-26 1978-11-14 Toyota Jidosha Kogyo Kabushiki Kaisha Skid control system for vehicles
JPS5117662B1 (en) * 1970-12-25 1976-06-03
JPS5136152Y1 (en) * 1970-12-30 1976-09-04
JPS5131354B1 (en) * 1970-12-30 1976-09-06
JPS4937748Y1 (en) * 1973-04-24 1974-10-16
DE2527343A1 (en) * 1974-06-21 1976-01-08 Bendix Corp SPEED MEASURING UNIT
US3951467A (en) * 1975-02-03 1976-04-20 Wagner Electric Corporation Wheel slip control system for automotive vehicles and the like
DE2610574A1 (en) * 1975-07-16 1977-02-03 Kelsey Hayes Co ROTATION SPEED SENSOR

Also Published As

Publication number Publication date
FR1198721A (en) 1959-12-09
FR74873E (en) 1961-03-03

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