Three-state magnet valve

Details Three-state magnet valve Three-state magnet valve

2007-05-29

2007-05-29

Schwartz, Christopher P. (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

Reexamination Certificate

active

11107357

ABSTRACT:
A three-state magnet valve for control of fluid flow from a source of fluid pressure. The three-state magnet valve has an application pilot solenoid electrically connectable to a control module, and an application valve for connecting the source of fluid pressure and to a braking device. The three-state magnet valve further has a release pilot solenoid valve electrically connectable to a control module, and a release valve to exhaust the braking device. The valves are interconnected and controlled so that source pressure can never be passed to exhaust.

REFERENCES:
patent: 3844623 (1974-10-01), Parsons et al.
patent: 5123718 (1992-06-01), Tyler
patent: 6520599 (2003-02-01), Wood et al.
patent: 6746087 (2004-06-01), Reynolds et al.
patent: 7020551 (2006-03-01), Goebels et al.
patent: 2004/0130207 (2004-07-01), Corley, Jr.

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