Watercraft engine control

Details Watercraft engine control Watercraft engine control

1997-03-31

1999-03-23

Avila, Stephen

Marine propulsion

Engine, motor, or transmission control means

440 87, B60K 4100

Patent

active

058851208

ABSTRACT:
An engine control is provided for controlling an engine powering a planing-type watercraft. The engine control activates a fuel increasing system for providing an additional amount of fuel to said engine over a first amount of fuel during a period of acceleration of said watercraft to its planing speed. In addition, the engine control preferably adjusts the position of an exhaust timing valve to delay the passage of exhaust from the combustion chamber(s) of the engine during that time the additional fuel amount is being provided to the engine in order to prevent overheating and fouling of an exhaust catalyst.

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patent: 5400755 (1995-03-01), Maebashi
patent: 5575246 (1996-11-01), Ito

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