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.:
Date of Patent:
Jul. 05, 2011
Filed:
Dec. 13, 2006
Robert M. Darling, South Windsor, CT (US);
Evan C. Rege, Portland, OR (US);
Ryan J. Balliet, Oakland, CA (US);
Jeremy P. Meyers, Austin, TX (US);
Craig E. Evans, Portland, OR (US);
Thomas D. Jarvi, Manchester, CT (US);
Sitaram Ramaswamy, West Hartford, CT (US);
Robert M. Darling, South Windsor, CT (US);
Evan C. Rege, Portland, OR (US);
Ryan J. Balliet, Oakland, CA (US);
Jeremy P. Meyers, Austin, TX (US);
Craig E. Evans, Portland, OR (US);
Thomas D. Jarvi, Manchester, CT (US);
Sitaram Ramaswamy, West Hartford, CT (US);
UTC Power Corporation, South Windsor, CT (US);
Abstract
To mitigate bubble blockage in water passageways (), in or near reactant gas flow field plates () of fuel cells (), passageways are configured with (a) cross sections having intersecting polygons or other shapes, obtuse angles including triangles and trapezoids, or (b) hydrophobic surfaces (), or (c) differing adjacent channels (), or (d) water permeable layers () adjacent to water channels or hydrophobic/hydrophilic layers (), or (e) diverging channels ().