Electro-hydraulic valve and system

Details Electro-hydraulic valve and system Electro-hydraulic valve and system

2005-02-01

2005-02-01

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C251S030020, C251S129160, C251S129180

Reexamination Certificate

active

06848475

ABSTRACT:
An electro-hydraulic valve is provided for use in a system to control flow and/or pressure within the system. An electro-hydraulic valve arrangement includes a housing and a valving mechanism disposed in the housing. The electro-hydraulic valve arrangement has a hold coil assembly connected to the housing adjacent to the valving mechanism. A force control member having a clapper face is positioned adjacent to the hold coil assembly and the clapper face thereof is maintained at a predetermined distance from a coil face of the hold coil assembly. A double precision adjustment mechanism is operative associated with the force control member and is operative to precisely control the distance between the coil face and the clapper face.

REFERENCES:
patent: 5000420 (1991-03-01), Hendrixon et al.
patent: 5051631 (1991-09-01), Anderson

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