Electrically operable valve

Details Electrically operable valve Electrically operable valve

1980-07-29

1984-03-20

Rosenthal, Arnold

Valves and valve actuation

Heat or buoyancy motor actuated

239584, 123472, F16K 3104

Patent

active

044376448

ABSTRACT:
This invention relates to electrically operable valves and in particular, but not exclusively, to valves for use in fuel injection system for internal combustion engines. A valve has a housing 13 having a valve 3 seat, and receiving a valve body 2 which can be raised from the valve seat 3 in accordance with a variation in dimension of magnetostrictional device 7 or a piezoceramic device caused by a current flow in the device. The valve body 2 is spring-loaded, by spring 15, in a sense to close the valve and is connected via the device 7 to a movable abutment unit 10,11, which is so constituted that, during the current induced variations in dimension, it acts as a stationary abutment or anchorage for that end of the device, which is remote from the valve body.

REFERENCES:
patent: 3055631 (1962-09-01), Kippenhan
patent: 3211414 (1965-10-01), Webb
patent: 3537678 (1970-11-01), Shmueli
patent: 3540479 (1970-11-01), Thompson
patent: 3614486 (1971-10-01), Smiley
patent: 4022166 (1977-05-01), Bart
patent: 4158368 (1979-06-01), Clark

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