Pressure modulating valve assembly

Details Pressure modulating valve assembly Pressure modulating valve assembly

1982-08-03

1984-05-08

Schwadron, Martin P.

Fluid handling

Systems

Multi-way valve unit

251138, 335270, 335274, F15B 13044, F16K 1100, F16K 1102

Patent

active

044468890

ABSTRACT:
The pressure modulating valve assembly includes a solenoid coil, a yoke having curved support surfaces extending from one end of the coil to the other, and a resilient non-magnetic valve support having at least one valve secured thereto and a pair of attaching legs secured to the yoke in overlying relation relative to the curved support surfaces. An armature of magnetic material is secured to the valve support at a central portion thereof spaced from the point of attachment of the valve support to the yoke. A spring normally biases the armature in a direction away from the solenoid coil so that upon energization of the coil the solenoid support and the armature secured thereto are subjected to a rolling motion along the curved surfaces of the yoke to provide a friction free connection between the yoke and the combined armature and valve support.

REFERENCES:
patent: 379064 (1888-03-01), Hamilton
patent: 1714336 (1929-05-01), Yaxley
patent: 3982562 (1976-09-01), Pickett
patent: 4170339 (1979-10-01), Ueda et al.
patent: 4242004 (1980-12-01), Adler
patent: 4249457 (1981-02-01), Sakakibara
patent: 4250924 (1981-02-01), Sakakibara

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