Fuel injection timing control device and method for internal combustion engine
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United States of America Patent
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Oct 31, 1995
Grant Date -
N/A
app pub date -
Aug 30, 1994
filing date -
Sep 7, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel injection timing control device includes a lift sensor for detecting a lift amount of a needle valve of a fuel injection nozzle, rectangular wave conversion means for converting an output signal of the lift sensor to a rectangular wave with a predetermined threshold level, and ignition point calculating means for calculating a timing for actual fuel ignition on the basis of the converted rectangular wave in accordance with a driving condition of the internal combustion engine, wherein the fuel injection control is performed on the basis of the calculated ignition timing.
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