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:
Mar. 06, 2018
Filed:
May. 26, 2011
Applicants:
Ralph Hobmeyr, Mainz-Kastel, DE;
Björn Zörner, Trebur, DE;
Marcus Jung, Alsbach-Hähnlein, DE;
Inventors:
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); H01M 8/0438 (2016.01); H01M 8/04746 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04388 (2013.01); H01M 8/04425 (2013.01); H01M 8/04753 (2013.01); H01M 8/04776 (2013.01);
Abstract
A fuel supply system for a fuel cell is described. One embodiment of the fuel supply system includes a fuel supply vessel; a fuel spending line in fluid communication with the fuel supply vessel and the fuel cell; a piezoelectric injector in fluid communication with the fuel spending line; and a pressure sensor connected to the fuel spending line and positioned between the fuel supply vessel and the fuel cell. A method for controlling the pressure to a fuel cell is also described.