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:
Jun. 23, 2009
Filed:
Oct. 29, 2004
Applicants:
Aaron T. Crumm, Ann Arbor, MI (US);
Christopher J. Reilly, Ann Arbor, MI (US);
Inventors:
Aaron T. Crumm, Ann Arbor, MI (US);
Christopher J. Reilly, Ann Arbor, MI (US);
Assignee:
Rolls-Royce Fuel Cell Systems Limited, Derby, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/00 (2006.01); H01M 2/02 (2006.01); H01M 2/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas delivery substrate and method of manufacture is disclosed. A thermoplastic extrusion compound is created comprising a ceramic material and a thermoplastic resin, a green body is formed by thermoplastic extrusion of the compound, and the green body is sintered to form the gas delivery substrate. Such gas delivery substrates may be thin walled, highly porous and have secondary operations such as crimping and machining done prior to sintering.