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:
Feb. 01, 2011
Filed:
Nov. 16, 2006
Jens Damitz, Illingen, DE;
Matthias Schueler, Steinheim, DE;
Christian Mader, Gerlingen, DE;
Michael Kessler, Weissach, DE;
Vincent Dautel, Stuttgart, DE;
Arvid Sievert, Esslingen, DE;
Jens Damitz, Illingen, DE;
Matthias Schueler, Steinheim, DE;
Christian Mader, Gerlingen, DE;
Michael Kessler, Weissach, DE;
Vincent Dautel, Stuttgart, DE;
Arvid Sievert, Esslingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method and control unit for metering fuel into at least one combustion chamber of an internal combustion engine comprising at least one pilot injection and one main injection per combustion cycle, combustion features being detected and an effect of a fuel quantity injected prior to the main injection being ascertained from the combustion features. An actual value of a combined effect of at least two pilot injections per combustion cycle is ascertained and the actual value is regulated to a setpoint value via an intervention on at least one of the pilot injections.