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.:

US 8507138 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 13, 2013

Filed:

Jun. 12, 2009
Applicants:

Kouichi Yamada, Takanezawa-machi, JP;

Kazunori Fukuma, Saitama, JP;

Makoto Wada, Saitama, JP;

Inventors:

Kouichi Yamada, Takanezawa-machi, JP;

Kazunori Fukuma, Saitama, JP;

Makoto Wada, Saitama, JP;

Assignee:

Keihin Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); F04F 5/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ejector for a fuel cell system of the present invention includes a nozzle having a nozzle hole for discharging hydrogen supplied via an inlet port of an ejector body, a diffuser for mixing hydrogen discharged from the nozzle hole and hydrogen off-gas discharged and returned via a circulation passage from a fuel cell, a needle displacing in the axial direction by a driving force of a solenoid, and a bearing member held in a hollow portion of the nozzle, and having a through hole that movably supports the needle in the axial direction.


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Yamada, Kouichi. (2013). Ejector for fuel cell system (U.S. Patent No. 8507138). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8507138

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