Control method for starting diesel engines
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United States of America Patent
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-
Mar 25, 1997
Grant Date -
N/A
app pub date -
Feb 12, 1996
filing date -
Aug 13, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control method for starting a diesel engine makes it possible to prevent an excessive increase in fuel injection rate in a low speed rotation range at the time of starting for prevention of occurrence of misfiring and unstable engine rotation, and to prevent occurrence of black smoke by controlling the injection rate according to the engine temperature. For this effect, from the beginning of engine starting to a first engine rotating speed (N.sub.1), the control rack is moved in the fuel injection rate reducing direction so that the rack position has a first gradient to correct for an increase in fuel injection rate and, from the first engine rotating speed to a second engine rotating speed (N.sub.3) at which the control rack is returned to its position for ordinary control, the control rack is moved in the fuel injection rate reducing direction so that the rack position has a second gradient greater than the first gradient.
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