Method for starting an internal combustion engine

Details Method for starting an internal combustion engine Method for starting an internal combustion engine

2007-08-14

2007-08-14

Argenbright, Tony M. (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

11250112

ABSTRACT:
In a method for starting an internal combustion engine having a sensor disk which is coupled to a crankshaft of the engine, the sensor disk having a marking via an alternating arrangement of teeth and tooth spaces, and a first sensor and a second sensor each capable of generating an electric signal which may assume at least two signal levels, being associated with the sensor disk, one of the signal levels being associated with a tooth and the other signal level with a tooth space, a rising or falling signal edge of the one signal and the signal level of the other signal being used for determining the direction of rotation and increment of the angle of rotation of the crankshaft, the starting characteristics are improved in that the absolute crankshaft angle position is saved in a non-volatile memory when the engine is shut off.

REFERENCES:
patent: 6907342 (2005-06-01), Matsuoka
patent: 19900641 (2000-01-01), None
patent: 10020165 (2001-10-01), None

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