Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2006-05-09
2006-05-09
Vo, Hieu T. (Department: 3747)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
C123S179150
Reexamination Certificate
active
07043354
ABSTRACT:
A method and a device for automatically starting an internal combustion engine having a brake pressure monitoring system and an arrangement evaluating the brake pressure with respect to its profile over time. The brake pressure gradient is evaluated when the brake pedal is released before the vehicle is restarted. If the absolute value of the negative brake pressure gradient when the brakes are released exceeds a threshold value, this upward transgression of the threshold value causes an electronic control system in the motor vehicle to restart the internal combustion engine in conjunction with a start/stop function. The main advantage which is achieved in this way is that the brake pressure gradient precedes the point at which the brake pressure reaches its position of rest so that a vehicle driver can sense the restarting of the internal combustion engine to be more spontaneous than in the prior art. With the solution according to the invention for restarting the internal combustion engine a longer period of time is available than with previously known solutions.
REFERENCES:
patent: 6347608 (2002-02-01), Hara et al.
patent: 6754579 (2004-06-01), Kamiya et al.
patent: 10 63 424 (2002-12-01), None
patent: 2004-124923 (2004-04-01), None
Braun Harald
Scholt Torsten
Schondelmaier Andreas
Schorpp Matthias
Daimler-Chrysler AG
Fitch Even Tabin & Flannery
Kunitz Norman N.
Vo Hieu T.
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