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 7871729 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 18, 2011

Filed:

Nov. 18, 2005
Applicants:

Jacob W. DE Vaal, Coquitlam, CA;

Colin F. Keddie, Burnaby, CA;

Inventors:

Jacob W. De Vaal, Coquitlam, CA;

Colin F. Keddie, Burnaby, CA;

Assignees:

Daimler AG, Stuttgart, DE;

Ford Motor Company, Dearborn, MI (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/06 (2006.01); F01N 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system and method for reducing concentrations of reactants in gases flowing through an exhaust system are disclosed. Briefly described, one embodiment comprises creating a turbulent flow of gases along a periphery region of an exhaust pipe, the turbulent flow created by the gases transported over a wire mesh residing in the periphery region; and mixing the gases in the periphery region with a reactant gas being transported in a flow-through region, the mixing caused by the turbulent flow of gases, such that concentration of the reactant gas is reduced as the reactant gas is transported through the exhaust system.


Find Patent Forward Citations

De Vaal, Jacob. (2011). System and method for mixing gases in a fuel cell exhaust system (U.S. Patent No. 7871729). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7871729

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