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:
Jul. 14, 2020
Filed:
Oct. 18, 2017
Jtekt Corporation, Osaka-shi, Osaka, JP;
University Public Corporation Osaka, Osaka-shi, Osaka, JP;
Toshiyuki Saito, Kashiba, JP;
Ryouichi Takahata, Kitakatsuragi-gun, JP;
Tomoyuki Takei, Nara, JP;
Osamu Ishikawa, Osaka, JP;
JTEKT CORPORATION, Osaka-shi, JP;
UNIVERSITY PUBLIC CORPORATION OSAKA, Osaka-shi, JP;
Abstract
A thermoacoustic device includes a loop pipe, a first stack that is disposed in the loop pipe and that generates a sound wave in the loop pipe by way of a temperature gradient, a second stack that is disposed in the loop pipe and that generates a temperature gradient, a first high temperature side heat exchanger that is disposed at one end of the first stack and that makes the temperature of the one end of the first stack be higher than the other end, and a first low temperature side heat exchanger that is disposed at the other end of the first stack and that makes the temperature of the other end of the first stack be lower than the one end.