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:
Jan. 07, 2014
Filed:
Aug. 17, 2010
Timo Fink, Darmstadt, DE;
Andrei Kanev, Turin, IT;
Stefano Cassani, Turin, IT;
Simone Barbero, Turin, IT;
Timo Fink, Darmstadt, DE;
Andrei Kanev, Turin, IT;
Stefano Cassani, Turin, IT;
Simone Barbero, Turin, IT;
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A method is provided for reducing emissions behind a catalytic converter in an exhaust gas stream of the engine. The method includes, but is not limited to controlling a power supply to a glowplug of a compression-ignition engine. The glowplug is activated if a set of at least two input values remains in a first characteristic region of an input parameter space for at least a predetermined activation time. The first characteristic region consists of one ore more contiguous regions of the input parameter space.