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:
Sep. 24, 2019
Filed:
Sep. 29, 2015
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Alexander Eichhorn, Freiberg A.N., DE;
David Lejsek, Tamm, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/40 (2006.01); F02D 41/02 (2006.01); F02D 19/06 (2006.01); F01N 3/20 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0255 (2013.01); F01N 3/2006 (2013.01); F02D 19/0644 (2013.01); F02D 19/0647 (2013.01); F02D 41/405 (2013.01); F02D 2041/389 (2013.01); Y02T 10/36 (2013.01); Y02T 10/44 (2013.01);
Abstract
A method for injecting gaseous fuel directly into a combustion chamber of an internal combustion engine in order to heat a catalytic converter, the method including: carrying out a main injection of gaseous fuel directly into the combustion chamber; carrying out a first post-injection following the main injection but prior to an ignition, and following the ignition and preferably following the end of combustion in the combustion chamber, carrying out a second post-injection of gaseous fuel into the combustion chamber.