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:
Apr. 14, 1992
Filed:
Oct. 04, 1990
Yoshimichi Kimura, Chiba, JP;
Yuzo Kimoto, Tokyo, JP;
Yukio Sato, Chiba, JP;
Yukio Anekoji, Kanagawa, JP;
Osamu Yabuta, Saitama, JP;
Mitsuhisa Fukuda, Chiba, JP;
Shoji Hirose, Miyagi, JP;
Takao Chiba, Tokyo, JP;
Toshiba Ceramics Co., Ltd., Tokyo, JP;
Shin Nippon Air Conditioning Engineering Co., Ltd., Tokyo, JP;
Abstract
A piezoelectric on-off value for air conditioning comprises a bendable metal plate fixed at one end thereof; a valve member mounted on the other end of the metal plate along a ceiling plate, the value member having vent holes corresponding to vent holes in the ceiling plate, and the valve member changing the relative closure of the vent holes when the metal plate is deformed by application of voltage to the piezoelectric ceramic.