Fuel injection control system for an engine of a motor vehicle provided with a continuously variable belt-drive
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United States of America Patent
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Sep 24, 1991
Grant Date -
N/A
app pub date -
Oct 24, 1990
filing date -
Oct 24, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A motor vehicle has a continuously variable belt-drive transmission having a clutch means which engages when speed of an engine is higher than a clutch engaging speed. A plurality of basic pulse widths for injecting fuel are stored in a memory arranged in accordance with the engine speed and opening degree of a throttle valve. Some of the basic pulse widths in a speed range lower than the clutch engaging engine speed are increased for acceleration of the engine. One of the basic pulse widths is retrieved in accordance with the actual engine speed and the throttle valve opening degree, and a fuel injection pulse width is calculated based on the retrieved basic pulse width.
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