Piezoelectric Stack Actuator Assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
May 27, 2010
filing date -
Jun 4, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A piezoelectric actuator assembly comprising at least a stack of interior piezoelectric wafers which, in one embodiment, each include first and second spaced-apart strips of conductive material defining first and second wrap-around electrodes. The interior wafers are stacked in an alternating relationship wherein the first electrodes and the second electrodes are disposed in an opposed relationship. In one embodiment, the assembly includes an end piezoelectric wafer located at each end of the stack of interior wafers and includes a wrap-around electrode in contact with the interior wafers. A conductive end plate is coupled to each of the end piezoelectric wafers. A terminal wire is coupled to each conductive end plate.
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