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:
Sep. 29, 2015

Filed:

Dec. 08, 2009
Applicants:

Matthew P. Wilson, Groton, CT (US);

Christopher John Carnevale, Vernon, CT (US);

Jeffrey G. Lake, Vernon, CT (US);

Michael D. Harrington, Windsor Locks, CT (US);

Inventors:

Matthew P. Wilson, Groton, CT (US);

Christopher John Carnevale, Vernon, CT (US);

Jeffrey G. Lake, Vernon, CT (US);

Michael D. Harrington, Windsor Locks, CT (US);

Assignee:

Audi AG, Ingolstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 8/24 (2006.01);
U.S. Cl.
CPC ...
H01M 8/04089 (2013.01); H01M 8/04097 (2013.01); H01M 8/24 (2013.01); Y02E 60/50 (2013.01);
Abstract

Ejectors () are configured to receive fresh fuel gas at the motive inlet () and to receive fuel recycle gas at the suction inlet (). Each ejector is disposed either a) within a fuel inlet/outlet manifold () or adjacent to and integral with the fuel inlet/outlet manifold. The ejector draws fuel recycle gas directly from the fuel outlet manifold and, after mixing with fresh fuel, is expanded () to lower the pressure and is then fed directly into the fuel inlet manifold (). The ejector may be within an external manifold () or an internal manifold (). The ejector () may be formed of perforations clear through a plate (), which is closed on either side by other plates (), or the ejector may be formed by suitable sculpture of fuel cells () having internal fuel inlet () and fuel outlet () manifolds.


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