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.

Date of Patent:
Dec. 11, 2012

Filed:

Feb. 16, 2010
Applicants:

Kazunori Fukuma, Saitama, JP;

Satoshi Inoue, Saitama, JP;

Inventors:

Kazunori Fukuma, Saitama, JP;

Satoshi Inoue, Saitama, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); G05D 11/00 (2006.01); F04F 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ejector and a fuel cell system using the ejector which can improve a control of an ejection pressure of a fluid. The ejectorincludes a body, a nozzle, a needle, a diffuserwhich sucks a second fluid by a negative pressure generated by a first fluid ejected from the nozzle, and a first, a second and a third diaphragmswhich are movable in the axial direction against the needle The first diaphragmand the second diaphragmhave the same effective area, and an effective area of the third diaphragmis different from those of the first diaphragmand the second diaphragm


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