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. 05, 2021
Filed:
Jul. 28, 2016
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Denso Corporation, Kariya, JP;
Eagle Industry Co., Ltd., Tokyo, JP;
Takeyuki Yabuuchi, Toyota, JP;
Shinichi Sugimoto, Toyota, JP;
Osamu Hishinuma, Kariya, JP;
Hiroatsu Yamada, Kariya, JP;
Toshiaki Iwa, Tokyo, JP;
Yoshihiro Ogawa, Tokyo, JP;
Yusuke Sato, Tokyo, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
DENSO CORPORATION, Kariya, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Abstract
A damper device is provided in a flow passage of a fluid. The damper device includes a plurality of diaphragm dampers that are stacked together. Each of the plurality of diaphragm dampers includes a first flexible portion, a second flexible portion, and a rim including a welded portion. A peripheral edge of the first flexible portion and a peripheral edge of the second flexible portion are welded together in the welded portion. Each of the plurality of diaphragm dampers is configured to seal a gas in an inner region between the first flexible portion and the second flexible portion. A coupler that couples the plurality of diaphragm dampers together includes holders that hold the rims of the plurality of diaphragm dampers. A gap is provided between the holder of the coupler and the welded portion of each of the plurality of diaphragm dampers.