Valve having piezoelecrtric drive

Details Valve having piezoelecrtric drive Valve having piezoelecrtric drive

1991-02-08

1992-03-10

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Having element dimensionally responsive to field

2391022, 239584, F16K 3102

Patent

active

050944290

ABSTRACT:
A valve has a piezoelectric drive in which a lever mechanism is provided with a prescribed lever ratio and includes a resilient steel fork for the amplitude transformation of the excursion of a piezoceramic element operating as a piezoelectric actuator, a valve lifter connected at one end to a deflectable end of the steel fork and at the other end to a valve needle of a fuel injection valve.

REFERENCES:
patent: 3614486 (1971-10-01), Smiley
patent: 4158368 (1979-06-01), Clark
patent: 4340083 (1982-07-01), Cummins

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