H02N2/166 - CPC Classification Index

ClassID:

218103 ⎘

H02N2/166 - CPC Classification

Classification description:

Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using travelling waves, i.e. Rayleigh surface waves Motors with disc stator

Recent Application in this class:

20260081542

2026-03-19

ROTOR, STATOR, AND ULTRASONIC MOTOR

20230327580

2023-10-12

DRIVE CONTROL DEVICE AND ULTRASONIC MOTOR SYSTEM

20220200487

2022-06-23

Injector and control method for an ultrasonic motor

20180069491

2018-03-08

Injector and control method for an ultrasonic motor

20170070165

2017-03-09

Injector and control method for an ultrasonic motor

20130307376

2013-11-21

Piezo actuator having an electrode structure for a torsional vibration mode, and rotation-type ultrasonic motor including same

20110241486

2011-10-06

Ultrasonic motor and electronic apparatus which mounts the motor thereon

20110215675

2011-09-08

Piezoelectric oscillator and ultrasonic motor

20060284517

2006-12-21

Piezoelectric thin film vibrator and fabrication method thereof, driving apparatus and piezoelectric motor using the same

#10

20060244341

2006-11-02

Piezoelectric motor and method of exciting an ultrasonic traveling wave to drive the motor

#11

20060208616

2006-09-21

Ultrasonic motor

#12

20050127782

2005-06-16

Ultrasonic motor, and electronic timepiece having ultrasonic motor

#13

20050052093

2005-03-10

High-efficiency piezoelectric single-phase uni-polar ultrasonic actuators with a notched PZT back disc

#14

20050001516

2005-01-06

Piezoelectric motor and method of exciting an ultrasonic traveling wave to drive the motor