GB1511522A - Towing vehicle/trailer braking system - Google Patents

Towing vehicle/trailer braking system

Info

Publication number
GB1511522A
GB1511522A GB3043375A GB3043375A GB1511522A GB 1511522 A GB1511522 A GB 1511522A GB 3043375 A GB3043375 A GB 3043375A GB 3043375 A GB3043375 A GB 3043375A GB 1511522 A GB1511522 A GB 1511522A
Authority
GB
United Kingdom
Prior art keywords
towing vehicle
braking force
trailer
friction
measuring means
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
GB3043375A
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB1511522A publication Critical patent/GB1511522A/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
    • B60T8/24—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 vehicle inclination or change of direction, e.g. negotiating bends
    • B60T8/246—Change of direction
    • 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
    • B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
    • B60T8/1708—Braking or traction control means specially adapted for particular types of vehicles for lorries or tractor-trailer combinations
    • 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
    • B60T8/24—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 vehicle inclination or change of direction, e.g. negotiating bends
    • B60T8/248—Trailer sway, e.g. for preventing jackknifing
    • 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
    • B60T8/323—Systems specially adapted for tractor-trailer combinations
    • 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
    • B60T2230/00—Monitoring, detecting special vehicle behaviour; Counteracting thereof
    • B60T2230/06—Tractor-trailer swaying

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Abstract

1511522 Braking control for tractor-trailer combinations DAIMLER-BENZ AG 21 July 1975 [22 July 1974] 30433/75 Heading F2F Apparatus for regulating the braking force on the wheels of a towing vehicle/trailer combination 10, 11, in which respective independently controllable anti-locking braking force control systems are provided for the towing vehicle and for the trailer, by means of which systems each individual wheel is controllable in the stable region of the co-efficient of friction-slip curve, comprises a measuring means 20 disposed in the connection (e.g. tow-bar 15) between the towing vehicle 10 and the trailer 11 to ascertain the force occurring in said connection, the measuring means 20 being connected to transmit a signal to the anti-locking braking force control system of the towing vehicle when a predetermined compressive force in said connection is exceeded, upward adjustment of the braking force on the towing vehicle being blocked at least for the duration of the signal. This ensures that as the combination passes from a length of road having a low coefficient of friction to a length of road having a high coefficient of friction, an upward adjustment of the braking force on the towing vehicle wheels is prevented to thereby prevent jack-knifing. As seen in Fig. 2 an electronic part 17 of the control system of the towing vehicle 10 converts signals from sensors 18 on the front axle 13 and rear axle 16 into switch pulses to control valves 19 to control the braking force; the trailer 11 has a similar braking force control system but the two systems are independent. A threshold switch 21 is associated with the measuring means 20 and supplies a digital output signal to part 17 when the predetermined compressive force is exceeded. In one embodiment the threshold switch is connected by way of a matching amplifier and a filter. The threshold switch may also operate a timing element the running time of which may be reduced with increasing vehicle road speed. If the arrangement is utilized with a semitrailer unit, static fifth-wheel and trailer axle pressures are additionally measured.
GB3043375A 1974-07-22 1975-07-21 Towing vehicle/trailer braking system Expired GB1511522A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742435115 DE2435115C2 (en) 1974-07-22 1974-07-22 Device for regulating the braking force on the wheels of motor vehicle combinations

Publications (1)

Publication Number Publication Date
GB1511522A true GB1511522A (en) 1978-05-24

Family

ID=5921157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3043375A Expired GB1511522A (en) 1974-07-22 1975-07-21 Towing vehicle/trailer braking system

Country Status (4)

Country Link
DE (1) DE2435115C2 (en)
FR (1) FR2284490A1 (en)
GB (1) GB1511522A (en)
IT (1) IT1040873B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640355A1 (en) * 1976-09-08 1978-03-16 Bosch Gmbh Robert CONTROL DEVICE FOR TOWING CARS OF WAGONS WHICH AT LEAST THE TOWING CARS ARE EQUIPPED WITH AN ANTI-LOCK CONTROL SYSTEM
DE2741833A1 (en) * 1977-09-16 1979-03-29 Bosch Gmbh Robert METHOD AND DEVICE FOR CONTROLLING THE BRAKING BEHAVIOR OF WAGONS
DE2757911A1 (en) * 1977-12-24 1979-06-28 Bosch Gmbh Robert BLOCK PROTECTION CONTROL DEVICE
DE2949933A1 (en) * 1979-12-12 1981-06-19 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover DEVICE FOR PREVENTING TRAILER MOVEMENT
DE3428192C2 (en) * 1984-07-31 1994-05-11 Iveco Magirus Wagon train braking device
DE3842037A1 (en) * 1988-12-14 1990-06-28 Wabco Westinghouse Fahrzeug DEVICE FOR DETECTING THE AXIAL FORCE OF A TOW BAR COUPLING
DE3936726A1 (en) * 1989-11-04 1991-05-08 Wabco Westinghouse Fahrzeug METHOD FOR BRAKING A VEHICLE TRAIN PRESSURIZED BRAKES
DE4010073A1 (en) * 1990-03-29 1991-10-02 Wabco Westinghouse Fahrzeug MOUNTAIN DETECTION DEVICE
DE19708144A1 (en) * 1997-02-28 1998-09-03 Itt Mfg Enterprises Inc Procedure for avoiding pendulum movements of the drawbar of a motor vehicle trailer
SE533870C2 (en) 2005-07-11 2011-02-15 Volvo Lastvagnar Ab System and method for stabilizing a vehicle combination

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618983A (en) * 1969-12-10 1971-11-09 Harry D Forse Antijackknifing system
DE2164325C3 (en) * 1971-12-23 1975-10-09 Daimler-Benz Ag, 7000 Stuttgart Device for regulating the braking force on the wheels of motor vehicle trailers

Also Published As

Publication number Publication date
DE2435115A1 (en) 1976-02-05
FR2284490B1 (en) 1977-12-16
IT1040873B (en) 1979-12-20
FR2284490A1 (en) 1976-04-09
DE2435115C2 (en) 1983-12-22

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Legal Events

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