Induction system for outboard motor

Details Induction system for outboard motor Induction system for outboard motor

1997-11-20

1999-11-30

McMahon, Marguerite

Internal-combustion engines

Intake manifold

B63H 2126

Patent

active

059923687

ABSTRACT:
An induction system for an internal combustion engine powering an outboard motor, the motor having a cowling and a water propulsion device and the engine positioned in the cowling and having an output shaft arranged to drive the water propulsion device, is disclosed. The engine has at least one combustion chamber, and the induction system is arranged to provide air to each combustion chamber. The induction system includes an intake duct having an inlet and an outlet and defining an air flow path extending from the inlet to the outlet, the inlet defining an opening through which air is drawn, the outlet arranged to deliver air passing through the duct to an intake passage leading to the combustion chamber. At least one electrical component associated with said motor is connected to the intake duct and extends into the air flow path defined therethrough, whereby the at least one component is cooled by the flow of air through the duct.

REFERENCES:
patent: 4440697 (1984-04-01), Sakurai
patent: 4691671 (1987-09-01), Nishimura
patent: 4917053 (1990-04-01), Okazaki et al.
patent: 5103777 (1992-04-01), Daikoku
patent: 5712422 (1998-01-01), Kato
patent: 5715793 (1998-02-01), Motose

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