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:
Nov. 07, 2017
Filed:
Jun. 11, 2015
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Anthony G. Chinnici, Utica, MI (US);
Bruce J. Clingerman, North Rose, NY (US);
Chad A. Dammar, Ferndale, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04223 (2016.01); H01M 8/04225 (2016.01); H01M 8/04089 (2016.01); H01M 8/04302 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04268 (2013.01); H01M 8/04089 (2013.01); H01M 8/04225 (2016.02); H01M 8/04231 (2013.01); H01M 8/04302 (2016.02); H01M 2250/20 (2013.01); Y02T 90/32 (2013.01);
Abstract
A device and method for improving cathode catalytic heating by allowing independently for a draining of a liquid and a purging of a gas in a fuel cell at cold starts via a system including an anode drain and a cathode catalytic heating system connected by a purge tube, a sump external to the purge tube, and a pintle having a closed position, a first open position, and a second open position.