Electrohydraulic valves for use in a system

Details Electrohydraulic valves for use in a system Electrohydraulic valves for use in a system

1986-04-25

1987-06-23

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

13759617, 2511291, 25112914, 25112921, F16K 3102

Patent

active

046745360

ABSTRACT:
Electrohydraulic valves for use in high fluid pressure systems such as automotive anti-skid brake systems, power steering systems and machine tool systems comprising a valve body of magnetic material, a valve seat member of magnetic material having a non-magnetic insert defining the seat and a coil surrounding a portion of the valve body and the valve seat adapted to be controlled by a microcomputer to provide pulses to a ball positioned between the valve seats and thereby control the flow through the valve. In one form the valve includes a second set of opposed valve seats, a second ball, and a second coil. In each form, a sleeve surrounds the valve seats and the balls and hydraulically isolates them from the coil associated therewith.

REFERENCES:
patent: 2366412 (1945-01-01), Lambert
patent: 3856260 (1974-12-01), Giordano
patent: 3861644 (1975-01-01), Knape
patent: 3874406 (1975-04-01), Von Loewis
patent: 3989063 (1976-11-01), Brouwers et al.

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