Fuel injection control system for a two-cycle engine

Details Fuel injection control system for a two-cycle engine Fuel injection control system for a two-cycle engine

1990-10-25

1991-09-24

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123 73A, 123494, F02D 4104

Patent

active

050505599

ABSTRACT:
A crankcase temperature sensor is provided for detecting temperature of a crankcase. A low speed basic injection pulse width is provided based on the detected crankcase temperature for low engine speed. An ordinary fuel injection pulse width is provided in accordance with engine operating conditions for ordinary engine operating condition. A comparator is provided for comparing the low speed injection pulse width and the ordinary fuel injection pulse width with each other. A larger injection pulse width is determined for injecting fuel.

REFERENCES:
patent: 4446833 (1984-05-01), Matsushita et al.
patent: 4564907 (1986-01-01), Mouri et al.
patent: 4739741 (1988-04-01), Iwata et al.
patent: 4892078 (1990-01-01), Fukutomi et al.
patent: 4920790 (1990-05-01), Stiles et al.
patent: 4960097 (1990-10-01), Tachibana et al.
patent: 4987773 (1991-01-01), Stiles et al.

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