Method for controlling hydraulic braking pressure in vehicle

Details Method for controlling hydraulic braking pressure in vehicle Method for controlling hydraulic braking pressure in vehicle

1991-03-07

1992-02-25

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303106, 303108, 303 95, B60T 860

Patent

active

050907816

ABSTRACT:
According to the present invention, the time during which the hydraulic braking pressure is intermittently maintained, is varied depending upon the degree of decrease in the wheel speed relative to the vehicle speed, so that the time may be prolonged when a large decrease occurs. Hence, unnecessary maintenance of the intermittent maintaining time is avoided in order to prevent any unnecessary operational noise from being produced.

REFERENCES:
patent: 4077675 (1978-03-01), Leiber et al.
patent: 4485445 (1984-11-01), Braschel
patent: 4739484 (1988-04-01), Fennel
patent: 4741580 (1988-05-01), Matsubara et al.
patent: 4762375 (1988-08-01), Maki et al.
patent: 4773714 (1988-09-01), Shimanuki et al.
patent: 4859002 (1989-08-01), Yoshino

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