Process for preparing a defined starting operation selectable by the driver

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United States of America Patent

PATENT NO 9322379
APP PUB NO 20140357449A1
SERIAL NO

14454173

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A process is provided for preparing a defined starting operation of a motor vehicle selectable by the driver, having a starting element arranged between an engine and a transmission. In the event of a maximal power demand by the driver and in the event of the selection of the defined starting operation by an electronic control unit, the rotational speed or the torque of the engine is set to a specified value, wherein the specified value is automatically determined by the electronic control unit as function of a determined friction parameter, by which at least one relative prediction concerning the transmissible drive torque to be expected for the acceleration operation can be made, such that, by use of the specified during the starting and acceleration operation following the preparation, the maximally possible drive torque is achieved for the best possible acceleration. The friction parameter is determined as a function of a state variable determined during a preceding defined starting operation, which state variable influences the occurring drive torque.

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Patent Owner(s)

  • BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Weis, Daniel Kranzberg, DE 5 23

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