Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1984-02-02
1986-01-07
Cox, Ronald B.
Internal-combustion engines
Charge forming device
Fuel injection system
123494, 123492, 123486, F02B 300
Patent
active
045628149
ABSTRACT:
A method and system for controlling an amount of fuel supplied into an internal combustion engine. The system comprises: (a) first means for detecting and signalling an air quantity sucked into an intake passage of the engine; (b) second means for storing at least one first dynamic characteristic model expressing a transfer function defined between a detected air quantity value and intake air quantity actually sucked into each engine cylinder; (c) third means for calculating an actual intake air quantity to be sucked into each engine cylinder from the detected value of said first means and the first dynamic characteristic model stored within said second means; (d) fourth means for storing at least one second dynamic characteristic model expressing a transfer function defined between a signal corresponding to an amount of fuel required for the engine and actual amount of fuel sucked into each engine cylinder; (e) fifth means for calculating the amount of fuel required for the engine using an intake air quantity value calculated by the third means; (f) sixth means for calculating an amount of fuel to be supplied to the engine from the required amount of fuel calculated by the fifth means and from the second dynamic characteristic model stored within the fifth means; and (g) seventh means for actually supplying the amount of fuel in response to the signal based on the calculation result of sixth means.
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Abo Toshimi
Ueno Takashi
Cox Ronald B.
Nissan Motor Company Limited
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