Title: Piezoelectric motor
Application Number: 200610012004 Application Date: 2006.05.26
Publication Number: 1852016 Publication Date: 2006.10.25
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H02N2/00,H02N2/10,H02N2/12
Applicant(s) Name: Tsinghua Univ. Address: 100084
Inventor(s) Name: Gao Zhi, Cui Yanmei, Zhang Song, Chen Xiangyu, Li
Attorney & Agent:
Abstract:
     This invention relates to a piezoelectric motor including a rotor, a deep groove ball bearing, piezoelectric ceramic double wafers, a stator, a spring, a nut, a shaft, a framework, in which, the rotor is mounted on one end of the shaft by the bearing, one end of the double wafers is fixed on the stator, the other end is contacted with the rotor by the contact region, the stator is installed on the shaft via a hole, the framework supports the entire motor by the nut to apply excitation voltage to the double wafers to drive them to vibrate to drive the rotor to rotate and output rotation speed and torque.
Time: 11