Rotating piezoelectric motor with radial preload
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 23, 2021
Grant Date -
Sep 12, 2019
app pub date -
Feb 14, 2019
filing date -
Mar 9, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotating piezoelectric motor including a piezoelectric actuator including a resonator having a pair of arms connected at one of their ends in a connection area, the other two ends being referred to as ‘free’, a passive element including a cylindrical part extending orthogonally to the resonator, the cylindrical part being able to be rotated by the friction of the free ends of the arms on the cylindrical part, each free end including a protuberance such that the protuberances extend towards one another and together form a housing for a portion of the cylindrical part, the motor including a device for holding the portion of the cylindrical part inside the housing.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2019 Application Filing Year
- H02N Class
- 385 Applications Filed
- 265 Patents Issued To-Date
- 68.84 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- H02N Class
- 55.15 % this patent is cited more than
- 4 Age
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