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:
Aug. 07, 2012
Filed:
May. 05, 2009
Applicants:
Georg Mallebrein, Korntal-Muenchingen, DE;
Laurent Nack, Stuttgart, DE;
Oliver Pechan, Gerlingen, DE;
Pierre-yves Crepin, Stuttgart, DE;
Inventors:
Georg Mallebrein, Korntal-Muenchingen, DE;
Laurent Nack, Stuttgart, DE;
Oliver Pechan, Gerlingen, DE;
Pierre-Yves Crepin, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/40 (2006.01); F02M 41/00 (2006.01); F02B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and a device for operating an internal combustion engine to perform a lambda regulation without using a lambda sensor. Fuel is injected for combustion in a combustion chamber of the internal combustion engine. A first quantity of the internal combustion engine is ascertained, which allows a conclusion to be drawn about the behavior of an output quantity of the internal combustion engine, in particular of a torque.