Patent ID: 11931776
Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Field: Measurement (Instruments)
Classification: CPC B  G  H | IPC B  H

Claim 0:
1. An actuator, comprising:
an elastic metal member having a plurality of curved segments and a plurality of connection segments, the plurality of curved segments and the plurality of connection segments constituting a ring structure with a long-axis direction and a short-axis direction;
a multilayer piezoelectric member disposed within the ring structure of the elastic metal member and having a plurality of stacked piezoelectric units along the long-axis direction; and
a plurality of coupling members disposed within the ring structure of the elastic metal member,
wherein the multilayer piezoelectric member has two ends in the long-axis direction, and the two ends are coupled to the connection segments of the elastic metal member in the long-axis direction.