Temperature compensated piezoelectric actuator arrangement

Details Temperature compensated piezoelectric actuator arrangement Temperature compensated piezoelectric actuator arrangement

1982-04-28

1984-07-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310346, H01L 4108

Patent

active

044608403

ABSTRACT:
An electronically controlled actuator arrangement with a temperature-compensated piezoelectric transducer. The transducer includes at least one stack of piezoelectric oxide discs. The actuator arrangement includes a mechanical throw-transmitting lever system arranged in series with the transducer. The lever system includes one or more levers and is integrated into a plane-parallel plate. When the actuator arrangement is in a rest position, a force introduction point or points lies flush with one plane face of the plate and a force deployment point or points lies flush with an opposite plane face of the plate. By virtue of the actuator arrangement, the lever system is not, to any substantial extent, affected by the temperature. The actuator arrangement is especially suitable for rapid-action hydraulic valves.

REFERENCES:
patent: 3461910 (1969-08-01), Selsam et al.
patent: 3524196 (1970-08-01), Church et al.
patent: 3614486 (1971-10-01), Smiley
patent: 3649857 (1972-03-01), Knappe
patent: 4318023 (1982-03-01), O'Neill

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