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. 07, 2015
Filed:
Jan. 24, 2012
Takahide Kato, Tochigi, JP;
Takao Ikenaga, Tochigi, JP;
Kazunori Fukuma, Saitama, JP;
Keihin Corporation, Tokyo, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
An ejector apparatus for a fuel cell includes an ejector main body including an inlet port, an outlet port, a suction port, and an oxidizer-gas supply port, a first to third chambers provided in the body, a nozzle having a nozzle hole discharging the fuel gas, a diffuser mixing the fuel gas discharged from the nozzle hole and the fuel offgas exhausted from the fuel cell and returned to the suction port, a needle fixed on a side of the body and extending along an axial direction of the nozzle in a hollow portion thereof, and first and second diaphragms arranged to oppose each other, and changing an opening area in a gap between the nozzle hole and an outer peripheral face of a top end of the needle, wherein a pressure receiving area of the first diaphragm is set to be larger than that of the second diaphragm.