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:
May. 03, 2022
Filed:
Mar. 26, 2020
Applicant:
Sharp Kabushiki Kaisha, Osaka, JP;
Inventors:
Yasuhiro Haseba, Osaka, JP;
Kiyoshi Minoura, Osaka, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 21/00 (2006.01); H01H 71/14 (2006.01);
U.S. Cl.
CPC ...
F25B 21/00 (2013.01); H01H 71/14 (2013.01); F25B 2321/001 (2013.01);
Abstract
The cooling device includes an electrocaloric portion including an electrocaloric effect material, a first thermal switch including a first actuator, and a second thermal switch including a second actuator, in which a thickness and a length of the first actuator and the second actuator are changed depending on an electric field to be applied.