Outboard motor cowling arrangement

Details Outboard motor cowling arrangement Outboard motor cowling arrangement

1996-12-27

1998-02-03

Avila, Stephen

Marine propulsion

Screw propeller

Propulsion unit casing

12318434, B63H 2126

Patent

active

057137714

ABSTRACT:
An air intake system for an engine powering an outboard motor is disclosed. The engine is positioned within a cowling of the motor, the cowling including an air intake vent. The engine is vertically positioned, having a camshaft drive at an upper end thereof, the camshaft drive enclosed by a drive cover. An air passage is defined between the drive cover and cowling and leads from the vent to an engine air intake. The air intake comprises a passage formed by the cover and extending therethrough. The passage through the cover leads to a throttle body having a throttle plate therein, the throttle body connected to a surge tank from which runners extends to provide air to the combustion chambers. Air flows through the passage in the cover through a flexible hose member extending between the cover and the throttle body.

REFERENCES:
patent: 4967704 (1990-11-01), Imaeda
patent: 5340343 (1994-08-01), Kawamukai et al.
patent: 5370563 (1994-12-01), Yamazaki et al.
patent: 5445547 (1995-08-01), Furukawa
patent: 5488939 (1996-02-01), Nakai et al.
patent: 5489227 (1996-02-01), Ishida et al.
patent: 5513606 (1996-05-01), Shibata

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