System for controlling ignition timing and fuel injection timing of a two-cycle engine
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United States of America Patent
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-
Sep 24, 1991
Grant Date -
N/A
app pub date -
Oct 22, 1990
filing date -
Nov 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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