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US 2011/0210646 A1Published application
Piezoelectric motor
AssigneeSamsung Electronics Co., Ltd.
InventorsWoo-jong Cho, Mun-cheol Choi, Chan-young Moon, Dong-eui Shin
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Abstract
A piezoelectric motor includes a piezoelectric element; a stator comprising a first surface and a second surface, wherein the piezoelectric element is disposed on the first surface and a plurality of projections are formed on the second surface; a rotor comprising an operating portion that contacts the plurality of projections and that rotates via waves of the stator generated by the piezoelectric element, wherein a part of each of the plurality of projections that contacts the operating portion comprises a curved contact portion.
Claims10
A piezoelectric motor comprising:
- a piezoelectric element;
- a stator comprising a first surface and a second surface, wherein the piezoelectric element is disposed on the first surface and a plurality of projections are formed on the second surface;
- a rotor comprising an operating portion that contacts the plurality of projections and that rotates via waves of the stator generated by the piezoelectric element,
- wherein a part of each of the plurality of projections that contacts the operating portion comprises a curved contact portion.
1 more element
Dependencies are inferred from the claim text.