Invention Grant
US07705518B2 Ultrasonic motor 失效
超声波电机

Ultrasonic motor
Abstract:
An ultrasonic motor includes a stator that includes a comb body with a plurality of circumferentially-arranged comb-like projections and a piezoelectric body integrally mounted on the comb body, a rotor rotatable with respect to the stator, the rotor having a contact surface that establishes pressure contact with the stator, and a resin film formed with predetermined hardness on the contact surface of the rotor, the resin film containing a solid lubricant.
Public/Granted literature
Information query
Patent Agency Ranking
0/0