Vehicle hydraulic braking system with an active simulator

Details Vehicle hydraulic braking system with an active simulator Vehicle hydraulic braking system with an active simulator

2005-09-06

2005-09-06

Graham, Matthew C. (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

C303S010000, C303S113400, C303S116100, C303S119100

Reexamination Certificate

active

06938965

ABSTRACT:
A hydraulic braking apparatus for a motor vehicle having a service braking system (A) fed by a central hydraulic unit (3) and an emergency braking system (B). A simulator (M) resists a forward motion of an actuator member (D,16) for a master cylinder (17) to define a reaction corresponding to the progress of a braking operation. Admission solenoid values (9a-9d) and exhaust solenoid values (14a-14d) connected to the wheel brakes (2a-2d) modulate pressurized fluid supplied by a central hydraulic unit (3) in effecting the braking operation. Sensors (8, 13a-13d,24, 29) in the motor vehicle detect various braking parameters that are communicated to a computer (C) to control the solenoid valves (9a-9d;14a-14d) such that the braking operation is a function of the travel of the actuator member (D,16).

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