Piezo valve

Details Piezo valve Piezo valve

1992-12-11

1994-06-07

Nilson, Robert G.

Valves and valve actuation

Electrically actuated valve

Having element dimensionally responsive to field

137 82, F16K 3102

Patent

active

053182715

ABSTRACT:
In order to balance out the effects of the electrical and mechanical relaxation of a piezo-electric bending element which has a control area that moves in response to an applied control voltage against an elastically applied counterforce, the counterforce is applied by way of a separate external loading system. In addition, the bending element can be pre-tensioned elastically against the action of the counterforce by means of a clamped end.

REFERENCES:
Patent Abstracts of Japan, vol. 014, No. 338 (M-1014), Aug. 22, 1990 & JP-A-214638 (Yukinori) Nov. 25, 1988.

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