Linearly operative electric/fluid pressure valve device

Details Linearly operative electric/fluid pressure valve device Linearly operative electric/fluid pressure valve device

1976-10-29

1978-03-07

Reger, Duane A.

Fluid-pressure and analogous brake systems

Automatic

Application valve

251129, B60T 1502

Patent

active

040776743

ABSTRACT:
An electrically controlled, fluid pressure operated valve device in which an electro-magnet is energized to produce magnetic force in response to which a self-lapping valve assembly is actuated to provide output fluid pressure according to the degree of energization of the electro-magnet. A bias spring is provided to counteract the magnetic force acting on the self-lapping valve assembly in order to withhold actuation thereof until the degree of energization of the electro-magnet exceeds a value above which a linear relationship exists between the electro-magnetic coil current and magnetic force produced.

REFERENCES:
patent: 2545512 (1951-03-01), Campbell
patent: 2985490 (1961-05-01), Gates
patent: 3071147 (1963-01-01), Dudzinski
patent: 3791408 (1974-02-01), Saitou et al.
patent: 3857615 (1974-12-01), Acar
patent: 3878859 (1975-04-01), Grob et al.

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