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:
Apr. 13, 2010
Filed:
Jun. 13, 2007
Christina Sauer, Benningen, DE;
Andre F. Casal Kulzer, Boeblingen, DE;
Christina Sauer, Benningen, DE;
Andre F. Casal Kulzer, Boeblingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method for the transition of a gasoline engine with direct gasoline injection and with a variable valve train assembly from an initial mode of operation to a target mode of operation, whereby the initial mode of operation and the target mode of operation are either a mode of operation with an externally-supplied ignition or a mode of operation with a self-ignition, wherein the method comprises adapting operating parameters of the initial mode of operation to required values for the target mode of operation in a map-based pilot control phase; shifting the mode of operation after the map-based pilot control phase; and controlling the operation parameters after the shift.