Internal-combustion engines – Charge forming device – With fuel pump
Patent
1994-11-16
1995-12-26
Moulis, Thomas N.
Internal-combustion engines
Charge forming device
With fuel pump
123496, 123299, F02D 4140
Patent
active
054778344
ABSTRACT:
A fuel injection control apparatus that is used in a diesel engine or the like, controls a fuel injection rate by adjusting the injection valve opening pressure of a injection nozzle. A plurality of different thresholds are set and compared with a signal indicative of the injection rate in order to identify a reference injection start time and an initial injection rate control period. The injection timing and the injection valve opening pressure of the injection nozzle are controlled in such a manner that these identified time and period will match an optimal initial injection rate control period and an optimal reference injection start time which are stored in memory in advance for individual sets of operating conditions. With this, the optimal injection state can be achieved during the initial stage (initial injection rate control period) of the injection period.
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Moulis Thomas N.
Zexel Corporation
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