F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
317/5.5
F02P 5/145 (2006.01) F02P 5/15 (2006.01)
Patent
CA 2009856
An apparatus for controlling an ignition timing for a marine engine has a temperature sensor for detecting a cold or warm-up state of the engine and for outputting an ON/OFF signal, and has an ignition timing controller for receiving the signal from the temperature sensor, for receiving signals representing an engine rotational speed and a throttle opening degree which are sent from other sensors, and for setting an optimum ignition timing. The ignition timing controller includes a spark advance control arrangement for setting the ignition timing to a state in which it is spark advanced by a predetermined angle when a cold signal from the tempera- ture sensor is input, a first spark delay control ar- rangement for immediately setting the ignition timing to a spark delay state when the engine rotational speed reaches an unshiftable rotational speed after completion of the operation of said spark advance, and a second spark delay control arrangement for immediately setting the ignition timing to the spark delay state when a warm-up signal is input from the temperature sensor.
Daikoku Keisuke
Umehara Kazuhiro
Shapiro Cohen
Suzuki Motor Corporation
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