发明授权
- 专利标题: Stick-slip piezoelectric motor
- 专利标题(中): 粘滑压电电机
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申请号: US12678309申请日: 2008-09-11
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公开(公告)号: US08018124B2公开(公告)日: 2011-09-13
- 发明人: Benny Gaber
- 申请人: Benny Gaber
- 申请人地址: IL Tirat Carmel
- 专利权人: Pinanotech (Piezo-Nano Technology) Ltd.
- 当前专利权人: Pinanotech (Piezo-Nano Technology) Ltd.
- 当前专利权人地址: IL Tirat Carmel
- 代理机构: Dekel Patent Ltd.
- 代理商 David Klein
- 国际申请: PCT/IL2008/001217 WO 20080911
- 国际公布: WO2009/037693 WO 20090326
- 主分类号: H01L41/08
- IPC分类号: H01L41/08
摘要:
A piezoelectric motor including a rotor, a stator including a piezoelectric material having axial polarization, the stator including at least three pairs of electrodes spaced from one another on a top end face thereof and a common electrode on a base end face thereof, and slabs affixed to the stator at spacings between the electrodes, wherein the rotor is pressed towards the slabs by a pre-load force, wherein when a positive charge is applied to a first of the electrodes and a negative charge is applied to a second of the electrodes and an electric common port is applied to the common electrode, D33 piezoelectric phenomenon is created, thereby causing the spacings between the electrodes to bend and the slabs to tilt, thus applying a frictional pushing side force against the rotor to cause the rotor to rotate.
公开/授权文献
- US20100201224A1 STICK-SLIP PIEZOELECTRIC MOTOR 公开/授权日:2010-08-12
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