Motor mounting for piezoelectric transducer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 31, 2000
Grant Date -
N/A
app pub date -
Oct 15, 1999
filing date -
Oct 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A piezoelectric motor has a piezoelectric transducer disposed within a motor housing. The piezoelectric transducer is constructed of one or more piezoelectric elements, the opposite ends of which are loosely secured within recesses in the interior walls of the motor housing. Electric contact plates disposed on opposite major surfaces of each piezoelectric element hold the center portions of the piezoelectric elements in fixed relationship to each other and provide a means of conducting electical energy to the respective faces of the piezoelectric elements. A moveable piston member is attached to one of the contact plates. When an alternating voltage potential is applied across the major surfaces of the piezoelectric elements, the center portions of each of the piezoelectric elements, as well as the piston attached thereto, reciprocates within the motor housing while the ends of each of the piezoelectric elements remain secured within the recesses in the interior walls of the housing.
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