Fuel injection controller for an internal-combustion engine

Details Fuel injection controller for an internal-combustion engine Fuel injection controller for an internal-combustion engine

1988-10-28

1990-06-12

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123492, 123493, F02D 4110

Patent

active

049323806

ABSTRACT:
A fuel injection controller for an internal combustion engine includes a control pulse generator which generates a pulse with each rotation of the crankshaft. An operating condition discriminator determines the operating condition of the engine. An electronic control unit changes from sequential fuel injection to simultaneous fuel injection without degradation of engine performance. An ignition controller has first, and third pulse generators generating pulses with rotation of the crankshaft and camshaft, respectively, and a second pulse generator pulsing at a phase angle with respect to the crankshaft. An ignition timer controls ignition timing based on the pulses from the first and second pulse generators, and a fuel injection timer controls fuel injection based on the pulses from the first and third pulse generators.

REFERENCES:
patent: 4508086 (1985-04-01), Ito et al.
patent: 4513722 (1985-04-01), Hasagawa
patent: 4513723 (1985-04-01), Ishikawa et al.
patent: 4527529 (1985-07-01), Suzuki et al.
patent: 4573443 (1986-03-01), Watanabe et al.
patent: 4586479 (1986-05-01), Isomura et al.
patent: 4667631 (1987-05-01), Kinugasa
patent: 4753210 (1988-06-01), Fujimoto et al.

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