Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2011-07-05
2011-07-05
Cronin, Stephen K (Department: 3747)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
Reexamination Certificate
active
07974763
ABSTRACT:
The invention relates to a method for reducing the energy consumption of a motor vehicle having an internal-combustion engine and having at least one electric onboard power supply to which at least a first electric consuming device is connected. In a first operating condition, the internal-combustion engine is operated with a first injection quantity and a first ignition point. In a second operating condition, the internal-combustion engine is operated with a second injection quantity higher than the first injection quantity and a second ignition point. The second ignition point in time is less favorable than the first ignition point in the case of the second injection quantity with respect to the capacity of the internal-combustion engine. Upon detecting a substantially imminent special driving situation, a driving situation detection device causes the internal-combustion engine to change from the first operating condition into the second operating condition.
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International Search Report dated Dec. 29, 2008 with English translation (six (6) pages).
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Hauschild Martin
Herzog Torsten
Lemke Olaf
Bayerische Motoren Werke Aktiengesellschaft
Castro Arnold
Cronin Stephen K
Crowell & Moring LLP
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