Marine propulsion – Screw propeller – Propulsion unit casing
Patent
1990-01-11
1991-09-10
Sotelo, Jesus D.
Marine propulsion
Screw propeller
Propulsion unit casing
123195P, B63H 2124
Patent
active
050469762
ABSTRACT:
A cowling and air intake device is provided for the powerhead of an outboard motor which includes an air intake duct with a downwardly facing opening. The duct is mounted within an air inlet cavity formed within an upper rear portion of the cowling. A cover is secured to the cowling to form the top surface of the air inlet and to cover the intake duct. The air inlet inducts air from the atmosphere through a rearwardly facing opening wherein the air is drawn up into the intake duct for supply to the induction system of the outboard motor's internal combustion engine. The downwardly facing intake duct insures that water will not enter into the interior of the cowling or into the engine induction system.
REFERENCES:
patent: 3610198 (1971-10-01), Alexandrowicz
patent: 4379702 (1983-04-01), Takada et al.
patent: 4403971 (1983-09-01), Kobayashi et al.
patent: 4571193 (1986-02-01), Takada et al.
patent: 4867120 (1989-09-01), Boda et al.
Kobayashi Seiji
Miyazaki Masaharu
Beutler Ernest A.
Sanshin Kogyo Kabushiki Kaisha
Sotelo Jesus D.
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