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:
Oct. 09, 2007
Filed:
Dec. 29, 2004
Applicants:
Ya-wen Chou, Chu-Tung, TW;
Ming Shan Jeng, Chu-Tung, TW;
Inventors:
Ya-Wen Chou, Chu-Tung, TW;
Ming Shan Jeng, Chu-Tung, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 9/00 (2006.01); H01L 41/00 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A radial acoustic driver uses to generate higher amplitude of pressure fluctuation with radial type standing wave. The radial acoustic driver includes a cyclic type resonance tube which is filled with a working fluid inside, and a ring type electricity-acoustic energy transducer that is inside the cyclic type resonance tube for generating a radial acoustic wave when receiving electricity.