The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2011
Filed:
Nov. 16, 2006
Applicants:
Tieying Zhou, Beijing, CN;
Cunyue LU, Beijing, CN;
Yu Chen, Beijing, CN;
Deyong Fu, Beijing, CN;
Xiaoping HU, Shenzhen, CN;
Yi LI, Shenzhen, CN;
Bin Tian, Shenzhen, CN;
Zhengping Wang, Shenzhen, CN;
Inventors:
Tieying Zhou, Beijing, CN;
Cunyue Lu, Beijing, CN;
Yu Chen, Beijing, CN;
Deyong Fu, Beijing, CN;
Xiaoping Hu, Shenzhen, CN;
Yi Li, Shenzhen, CN;
Bin Tian, Shenzhen, CN;
Zhengping Wang, Shenzhen, CN;
Assignee:
Tsinghua University, Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A screw thread driving polyhedral ultrasonic motor includes a stator, a rotor and multiple piezoelectric plates being bonded to the stator or the rotor. The stator and the rotor have screw threads matched with each other. The stator and the rotor are connected via the screw threads.