Piezoelectric element for incorporation in pressure, force or ac

Details Piezoelectric element for incorporation in pressure, force or ac Piezoelectric element for incorporation in pressure, force or ac

1979-10-17

1985-03-05

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310333, 310338, H01L 4108

Patent

active

045033510

ABSTRACT:
A piezoelectric element for incorporation in pressure, force or acceleration transducers, in which at least two piezoelectric flat plates loaded in shear mode are arranged on both sides of a central support and are retained under compressive pre-tension by pressure distribution members bearing externally on the piezoelectric plates; a compression form member provided with a location hole for the support, the piezoelectric plates and the pressure distribution members is fitted over the pressure distribution members by direct or indirect shrinking the pressure distribution members are preferably made of two exact fitting cylindrical segments transmitting the tension forces evenly over the piezoelectric plates.

REFERENCES:
patent: 2824243 (1958-02-01), Sargeant
patent: 3104334 (1963-09-01), Bradley, Jr. et al.
patent: 3725986 (1973-04-01), Hoogenboom
patent: 3727084 (1973-04-01), Epstein
patent: 3743869 (1973-07-01), Hugli
patent: 3749948 (1973-07-01), Morris
patent: 4180892 (1980-01-01), Jensen
patent: 4211951 (1980-07-01), Jensen

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