Control apparatus for controlling engine driving watercraft

Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...

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440 87, F02D 4114, F02M 2306

Patent

active

060793899

ABSTRACT:
A control apparatus for controlling an engine mounted on a watercraft and driving it so as to finely and stably control a low speed of the watercraft. The control apparatus is adapted to compute a target engine speed on the basis of a correction value for the engine speed which is determined by a correction signal generated by a correction signal generator which is manually operable. The control apparatus controls the opening degree of the secondary air valve in accordance with a desired opening computed on the basis of the computed target engine speed.

REFERENCES:
patent: 4877003 (1989-10-01), Shimomura et al.
patent: 5463993 (1995-11-01), Livshits et al.
patent: 5586535 (1996-12-01), Syomura

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