Vehicular anti-lock brake systems using follow valves

Details Vehicular anti-lock brake systems using follow valves Vehicular anti-lock brake systems using follow valves

1998-01-29

2000-03-28

Schwartz, Chris

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 842, 303 972, B60T 834

Patent

active

060421983

ABSTRACT:
A vehicular anti-lock brake system utilizes a follow valve (also known as a copy valve) in place of a conventional solenoid valve. The follow valve causes brake fluid pressure for a wheel brake to follow and imitate the brake fluid pressure of a wheel brake controlled by a solenoid valve. The follow valve exclusively regulates fluid pressure at a wheel brake so that fluid pressure is substantially similar to fluid pressure at a wheel brake controlled by a solenoid valve.

REFERENCES:
patent: 4840434 (1989-06-01), Leiber
patent: 4846533 (1989-07-01), Farr
patent: 4861114 (1989-08-01), Takata
patent: 4893881 (1990-01-01), Farr
patent: 5403078 (1995-04-01), Farr
patent: 5470137 (1995-11-01), Every et al.
patent: 5472266 (1995-12-01), Volz et al.

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