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:
May. 04, 2010
Filed:
Aug. 18, 2005
Applicants:
Axel Jansen, Neidlingen, DE;
Josef Sonntag, Kirchheim, DE;
Hubert Urban, Ohmden, DE;
Inventors:
Assignee:
NuCellSys GmbH, Kirchheim/Teck-Nabern, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 1/00 (2006.01); H01H 35/00 (2006.01); H02H 3/00 (2006.01); H01H 83/00 (2006.01); H01H 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method and apparatus for controlling and for setting the switching states of switches which are connected to the electrical poles or outputs of a fuel cell and which are followed by a network, which is fed from the fuel cell, and has loads. The invention is preferably suitable for use in a vehicle. The switches are opened if the fuel cell and/or the vehicle assume critical states.