Crank angle sensor for internal combustion engine and cylinder identification system utilizing the same
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United States of America Patent
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-
Jul 18, 1995
Grant Date -
N/A
app pub date -
Dec 27, 1993
filing date -
Dec 29, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A crank angle sensor for a multicultural internal combustion engine and a cylinder identification system utilizing the same. The crank angle sensor has a rotor provided with ((number of cylinder/2)+1)) number of projections (markers) at reference positions corresponding to predetermined piston positions of the individual cylinders and two electromagnetic pickups spaced apart by twice the interval between adjacent reference positions. The cylinder is identified by comparing the two output pulse trains of the electromagnetic pickups over two reference positions.
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