Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1979-07-26
1981-10-27
Lall, P. S.
Internal-combustion engines
Charge forming device
Fuel injection system
123478, 123480, 364431, F02B 310, G06F 1520
Patent
active
042967228
ABSTRACT:
A control apparatus for an internal combustion engine in which a plurality of sensors are provided to detect operating conditions of the engine and the detected signals are converted into digital signals for the arithmetic operation executed in a central processor. This apparatus includes a register for storing data supplied from the central processor, a counter for counting up pulses produced each time the engine rotates a fixed crank angle, and a comparator for producing an output when a count value of the counter becomes equal to or greater than the data set in the register. A logic circuit is provided to produce a control pulse on the basis of the output of the comparator for the control of fuel injection. Upon the detection of conditions to correct the quantity of fuel injected into the engine, such as during acceleration, the data to be set into the register is changed.
REFERENCES:
patent: 3816717 (1974-06-01), Yoshida et al.
patent: 3835819 (1974-09-01), Anderson, Jr.
patent: 4116169 (1978-09-01), Krupp et al.
patent: 4176625 (1979-12-01), Stauffer
patent: 4181944 (1980-01-01), Yamauchi et al.
patent: 4244023 (1981-01-01), Johnson
Abe Osamu
Furuhashi Toshio
Hitachi , Ltd.
Lall P. S.
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