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. 10, 2011
Filed:
Sep. 04, 2007
Andreas Pfaeffle, Wuestenrot, DE;
Wolfgang Klenk, Loechgau, DE;
Frank Schweizer, Schwaikheim, DE;
Stefan Scherer, Stuttgart, DE;
Andreas Schaffrath, Korntal-Muenchingen, DE;
Andreas Pfaeffle, Wuestenrot, DE;
Wolfgang Klenk, Loechgau, DE;
Frank Schweizer, Schwaikheim, DE;
Stefan Scherer, Stuttgart, DE;
Andreas Schaffrath, Korntal-Muenchingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A procedure is introduced to operate a diesel engine, which has a catalytic converter with three-way conversion characteristics. The procedure is characterized thereby, in that if the engine rotational speed increases without in the process exceeding an engine rotational speed threshold value and the engine's load is greater than a load threshold value, the diesel engine is operated in such a manner that the diesel engine alternately generates an oxidizing and a reductive exhaust gas atmosphere before the catalytic converter. Additionally a control unit is introduced, which controls the sequence of the procedure.