Fuel cell ejector with integrated check valve

Details Fuel cell ejector with integrated check valve Fuel cell ejector with integrated check valve

2007-01-25

2011-10-04

Ryan, Patrick (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Grouping of fuel cells into stack or module

C137S511000, C137S527000, C239S569000

Reexamination Certificate

active

08029939

ABSTRACT:
An ejector for a fuel cell stack is disclosed, wherein the ejector includes an integrated check valve that supports hydrogen recirculation and militates against a backflow of hydrogen flowing through the ejector.

REFERENCES:
patent: 3208394 (1965-09-01), Taplin
patent: 4249567 (1981-02-01), Weiss
patent: 5328094 (1994-07-01), Goetzke et al.
patent: 5802848 (1998-09-01), McClendon et al.
patent: 6800390 (2004-10-01), Kashiwagi
patent: 2002/0109401 (2002-08-01), Ikeda et al.
patent: 2005/0064255 (2005-03-01), Blaszczyk et al.
patent: 2006/0024548 (2006-02-01), Pechtold et al.
patent: 2009/0155641 (2009-06-01), Senner et al.

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