NL7602669A - Non-locking hydraulic brake system - compares selected force with measured brake force to keep actual force within non:lock limit - Google Patents

Non-locking hydraulic brake system - compares selected force with measured brake force to keep actual force within non:lock limit

Info

Publication number
NL7602669A
NL7602669A NL7602669A NL7602669A NL7602669A NL 7602669 A NL7602669 A NL 7602669A NL 7602669 A NL7602669 A NL 7602669A NL 7602669 A NL7602669 A NL 7602669A NL 7602669 A NL7602669 A NL 7602669A
Authority
NL
Netherlands
Prior art keywords
force
measured
circuit
braking force
brake system
Prior art date
Application number
NL7602669A
Other languages
Dutch (nl)
Original Assignee
Jacob Pieter Maria De Baar Lan
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 Jacob Pieter Maria De Baar Lan filed Critical Jacob Pieter Maria De Baar Lan
Priority to NL7602669A priority Critical patent/NL7602669A/en
Publication of NL7602669A publication Critical patent/NL7602669A/en

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
    • B60T8/17—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

Landscapes

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

Abstract

The vehicle brake system is of the non-locking type giving a driver-operated but controlled braking force. The arrangement is such that if the selected braking force exceeds the measured (2) braking force, a control circuit (9) adjusts the braking force to a max. permissible to prevent locking the wheels under the prevailing circumstances. The brake cylinder may be solenoid (3) - operated, and the actual brake force may be measured by a strain gauge (2). The brake force may be driven-controlled via a control element (6) in a closed circuit with feedback, and there may be a comparator circuit (8) to detect any excess of the selected over the measured force. The control circuit (9) may comprise an integrator (9.5), a flip-flop circuit (9.4), a comparator circuit (9.2), a differentiator circuit (9.3) and a transistor (9.1).
NL7602669A 1976-03-15 1976-03-15 Non-locking hydraulic brake system - compares selected force with measured brake force to keep actual force within non:lock limit NL7602669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7602669A NL7602669A (en) 1976-03-15 1976-03-15 Non-locking hydraulic brake system - compares selected force with measured brake force to keep actual force within non:lock limit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7602669A NL7602669A (en) 1976-03-15 1976-03-15 Non-locking hydraulic brake system - compares selected force with measured brake force to keep actual force within non:lock limit

Publications (1)

Publication Number Publication Date
NL7602669A true NL7602669A (en) 1977-09-19

Family

ID=19825808

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7602669A NL7602669A (en) 1976-03-15 1976-03-15 Non-locking hydraulic brake system - compares selected force with measured brake force to keep actual force within non:lock limit

Country Status (1)

Country Link
NL (1) NL7602669A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396675A1 (en) * 1977-07-09 1979-02-02 Dunlop Ltd Aircraft brake control with pressure feedback loop - has torque measuring unit whose output is transformed into feedback signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396675A1 (en) * 1977-07-09 1979-02-02 Dunlop Ltd Aircraft brake control with pressure feedback loop - has torque measuring unit whose output is transformed into feedback signal

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