System for controlling ignition timing and fuel injection timing

Details System for controlling ignition timing and fuel injection timing System for controlling ignition timing and fuel injection timing

1990-10-22

1991-09-24

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

60285, 123 73C, 123425, 123435, F02M 6700, F02P 515

Patent

active

050505513

ABSTRACT:
A temperature sensor is provided for detecting temperature of exhaust gas in an exhaust passage of a two-cycle engine. The temperature is compared with a reference temperature for activating a catalytic converter. When the temperature is lower than the reference temperature, the ignition timing and the fuel injection timing of the engine are retarded. The quantity of injected fuel is increased so as to compensate reduction of engine power caused by retarding the ignition timing.

REFERENCES:
patent: 3799134 (1974-03-01), Griese
patent: 3949551 (1976-04-01), Eichler et al.
patent: 4111010 (1978-09-01), Minami
patent: 4165610 (1979-08-01), Iizuka et al.

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