Hydraulic slide valve provided with a piezoelectric washer

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor

Reexamination Certificate

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Details

C251S129060, C251S030040

Reexamination Certificate

active

07954785

ABSTRACT:
The invention relates to a hydraulic slide valve for controlling flow-rate or pressure comprising at least one movable valve moving from a closed position by contacting a seat and an open position remote therefrom, the displacement of said valve being controlled by a piezoelectric washer.

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Patent Abstracts of Japan—Publication No. 60065968, publication date Apr. 15, 1985 (1 page).
International Search Report dated Apr. 21, 2005 (3 pages).

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