Intake device in engine for outboard engine system

Details Intake device in engine for outboard engine system Intake device in engine for outboard engine system

1996-05-14

1997-11-04

Swinehart, Edwin L.

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

440900, 181229, 181243, 123198E, 123195P, B63H 2110

Patent

active

056832770

ABSTRACT:
A V-shaped multi-cylinder engine is mounted in such a manner that a crankshaft is mounted in a vertical attitude and cylinders are opened into a V-shape in a rearward direction. An intake silencer is mounted above a throttle body which is disposed in front of a crankcase portion of the engine. The intake silencer includes an intake silencing chamber defined by a belt cover which covers a belt of a valve operating mechanism and by a lower wall member. Two left and right air intake pipes extend downwardly from the intake silencing chamber and open into an engine compartment. A single intake-air introducing pipe extends downwardly from the intake silencing chamber and is connected to an upper end of the throttle body. Thus, it is possible to reduce the intake noise of the engine for an outboard engine system.

REFERENCES:
patent: 4846300 (1989-07-01), Boda
patent: 5035211 (1991-07-01), Mate et al.
patent: 5083538 (1992-01-01), Hubbell

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