Ignition timing control system for marine propulsion unit

Details Ignition timing control system for marine propulsion unit Ignition timing control system for marine propulsion unit

1988-09-30

1990-03-20

Basinger, Sherman D.

Marine propulsion

Means to control the supply of energy responsive to a sensed...

123406, 123417, 123418, B63H 2126

Patent

active

049097644

ABSTRACT:
A marine outboard drive incorporating a power operated tilt and trim arrangement and an arrangement for increasing the speed of the engine when the power operated tilt and trim device is operated so as to avoid speed changes during tilt and trim operation. The speed increasing is achieved by altering the spark advance curve and is only done when the propulsion device is driving the watercraft and when the engine generator is generating a predetermined power output.

REFERENCES:
patent: 3913517 (1975-10-01), Lohse et al.
patent: 3935845 (1976-02-01), Aono et al.
patent: 4582032 (1986-04-01), Hara et al.
patent: 4803967 (1989-02-01), Ohkumo

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