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:
Jan. 26, 2016
Filed:
Aug. 28, 2014
Jeju National University Industry-academic Cooperation Foundation, Jeju-si, Jeju-do, KR;
Wongee Chun, Jeju-si, KR;
Seungjin Oh, Jeju-si, KR;
Namjin Kim, Jeju-si, KR;
Youncheol Park, Jeju-si, KR;
Yeongmin Kim, Seogwipo-si, KR;
Kuan Chen, Salt Lake City, UT (US);
Jeju National University Industry-Academic Cooperation Foundation, Jeju-si, Jeju-do, KR;
Abstract
Disclosed herein is a high-efficiency acoustic wave generator using a pulsed thermal radiation beam. The generator is configured such that when a pulse beam formed by a light interrupter is directly radiated onto a porous material having a woven net or steel scrubber shape, thin wires of the porous material repeatedly rapidly thermally-expand and contract, whereby air in the space between the wires is momentarily heated and cooled, and the expansion and contraction of air is directly transmitted to an air column formed just adjacent to the porous material. By virtue of the above structure, the efficiency of the generator is markedly improved compared to the conventional technique, and the productivity is also greatly enhanced.