Brake pressure control apparatus

Details Brake pressure control apparatus Brake pressure control apparatus

1996-11-22

1999-03-16

Young, Lee W.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031134, 3031162, B60T 834

Patent

active

058820914

ABSTRACT:
A pressure control apparatus includes a first brake pressure control valve for controlling communication between a first wheel brake for applying a braking force to an driving wheel of a vehicle and a pressure generating chamber of a master cylinder and for controlling communication between the first wheel brake and a low back pressure reservoir, and a second brake pressure control valve for controlling communication between a second wheel brake for applying a braking force to a non-driving wheel of the vehicle and the pressure generating chamber and for controlling communication between the second wheel brake and the low back pressure reservoir. A pump draws brake fluid from the reservoir into the first wheel brake and into the second wheel brake through the second control valve. A valve is provided for controlling communication between the wheel brakes and the pressure generating chamber through check valves and for controlling communication between an inlet passage of the pump and the pressure generating chamber. A check valve for blocking fluid flow from the inlet passage of the pump into the reservoir is also provided.

REFERENCES:
patent: 5531514 (1996-07-01), Nishii et al.
patent: 5549366 (1996-08-01), Toda et al.
patent: 5588722 (1996-12-01), Noguchi

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