GB1243224A - Improved brake system - Google Patents

Improved brake system

Info

Publication number
GB1243224A
GB1243224A GB5596268A GB5596268A GB1243224A GB 1243224 A GB1243224 A GB 1243224A GB 5596268 A GB5596268 A GB 5596268A GB 5596268 A GB5596268 A GB 5596268A GB 1243224 A GB1243224 A GB 1243224A
Authority
GB
United Kingdom
Prior art keywords
front wheel
wheel speed
control
brake pressure
speed difference
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
GB5596268A
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.)
Boeing North American Inc
Original Assignee
North American Rockwell Corp
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 North American Rockwell Corp filed Critical North American Rockwell Corp
Publication of GB1243224A publication Critical patent/GB1243224A/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
    • B60T8/26—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels
    • B60T8/266—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels using valves or actuators with external control means
    • B60T8/268—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels using valves or actuators with external control means using the valves of an ABS, ASR or ESP system
    • 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
    • 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
    • B60T8/32—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
    • B60T8/343—Systems characterised by their lay-out

Landscapes

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

Abstract

1,243,224. Antiskid control systems. NORTH AMERICAN ROCKWELL CORP. 26 Nov., 1968 [1 March, 1968], No. 65962/68. Heading F2F. A logic control system responds to the difference between the fastest front wheel and slowest rear wheel to hold rear brake pressure when there is a small speed difference, and reduce pressure if there is a large speed difference. An over-ride control disables the antiskid system with low front wheel speed (e.g. front wheels locked). In an alternative system, Fig. 3 (not shown), the control responds to average front and rear wheel speed by summing alternate pulses from the front wheel speed sensors, and likewise at the rear. As shown, Fig. 1, sinusoidal signals from front wheel speed sensors 58a, 58b, trigger flip-flops 62, 64 to produce pulses which are compared at 70 to give a fastest-front-wheelsignal. A similar circuit at the rear produces slowest-rear-wheel-signals from comparator 72. These front and rear wheel signals are compared in logic-switching circuits 74, 76, illustrated in greater detail, Fig. 3 (not shown) and employing flip-flop counters controlling gate circuits. The output of "switch" 74 operates solenoid valve 48 to hold the rear brake pressure at a predetermined speed difference and "switch' 76 operates solenoid valve 50 to bleed rear brake pressure at a greater speed difference. Zero front wheel speed detector 102 disables the anti-skid control.
GB5596268A 1968-03-01 1968-11-26 Improved brake system Expired GB1243224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70970668A 1968-03-01 1968-03-01

Publications (1)

Publication Number Publication Date
GB1243224A true GB1243224A (en) 1971-08-18

Family

ID=24851015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5596268A Expired GB1243224A (en) 1968-03-01 1968-11-26 Improved brake system

Country Status (4)

Country Link
JP (1) JPS4837954B1 (en)
DE (1) DE1813668A1 (en)
FR (1) FR1595291A (en)
GB (1) GB1243224A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740103A (en) * 1971-05-13 1973-06-19 Gen Motors Corp Anti-lock brake control system with front to rear interlock
DE2733778A1 (en) * 1977-07-27 1979-02-08 Krauss Maffei Ag METHOD AND DEVICE FOR REGULATING THE CIRCUMFERENCE SPEED OF A MULTIPLE VEHICLE WHEELS
JPS6066778U (en) * 1983-10-11 1985-05-11 豊國コンクリート工業株式会社 rainwater basin

Also Published As

Publication number Publication date
JPS4837954B1 (en) 1973-11-14
FR1595291A (en) 1970-06-08
DE1813668A1 (en) 1969-10-16

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