Hydraulic braking system

Details Hydraulic braking system Hydraulic braking system

1988-08-11

1990-07-10

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 2, 303 842, 605471, 188151A, B60T 1300, B60T 1110

Patent

active

049402900

ABSTRACT:
A hydraulic braking system for controlling the hydraulic pressure of the brake actuator and wheel cylinders includes a dynamic hydraulic pressure control system which transmits boosted hydraulic pressure in response to movement of a brake pedal. A master cylinder receives brake fluid pressure from a reservoir and transmits the fluid pressure from a pressure chamber in the master cylinder to a changeover valve. The changeover valve changes over the connection between wheel cylinders of the vehicle and the dynamic hydraulic pressure control system when the powered pressure which is transmitted from the dynamic hydraulic pressure control system is less than a predetermined pressure. A valve member of the changeover valve is movable between a first and second position so as to transmit the powered hydraulic fluid from the boost pressure chamber to the wheel cylinders of the rear wheels in a first position and block the transmission of the fluid in the second position.

REFERENCES:
patent: 2416091 (1947-02-01), Fitch
patent: 3503655 (1970-03-01), Heimler
patent: 3727986 (1973-04-01), Koivuner
patent: 4050748 (1977-09-01), Belart
patent: 4404803 (1983-09-01), Steffes
patent: 4530209 (1985-07-01), Steffes
patent: 4642989 (1987-02-01), Belart
patent: 4671066 (1987-06-01), Belart
patent: 4685749 (1987-08-01), Otsuki et al.

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