Air temperature sensor arrangement for a small watercraft

Details Air temperature sensor arrangement for a small watercraft Air temperature sensor arrangement for a small watercraft

1998-05-21

1999-05-11

Avila, Stephen

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

440 1, B63H21/10

Patent

active

059021616

ABSTRACT:
An arrangement for at least one air temperature sensor for measuring the temperature of air entering the combustion chamber of a fuel injected engine powering a water propulsion device of a watercraft is disclosed. The watercraft has a hull defining an engine compartment in which the engine is positioned. The engine has a body defining at least one combustion chamber and an output shaft arranged to drive the water propulsion device. At least one air duct provides air through the hull into the engine compartment, the duct leading from the hull to an outlet in the engine compartment. The engine has an intake system for providing air to the combustion chamber and a fuel system for providing fuel to the combustion chamber, the fuel system including at least one fuel injector. The arrangement of the air temperature sensor(s) reduces or limits each sensor's exposure to water.

REFERENCES:
patent: 5553579 (1996-09-01), Yoshida et al.
patent: 5558549 (1996-09-01), Nakase et al.
patent: 5846102 (1998-12-01), Nitta et al.

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