Induction device for engine

Details Induction device for engine Induction device for engine

1996-04-16

1997-12-16

McMahon, Marguerite

Internal-combustion engines

Intake manifold

B63H 2126

Patent

active

056973357

ABSTRACT:
An engine of an outboard motor includes an improved induction system, including an intake silencer mounted to a plurality of induction pipes. The intake silencer includes a first and second expansion chamber separated by a wall. The wall includes an aperture for communicating the first and second expansion chambers. A filter element is provided for the aperture for preventing debris from entering the second expansion chamber and induction pipes. The induction pipes are integrally formed in an induction pipe casting. The induction pipe casting and air intake silencer deliver air to a carburetor assembly. The induction pipe casting and carburetor assembly are sealingly engaged through a seal plate and plurality of seals disposed between the induction pipe casting and carburetor assembly for providing an air-tight seal therebetween.

REFERENCES:
patent: 1365564 (1921-01-01), Strickland
patent: 4191140 (1980-03-01), Matsumoto et al.
patent: 4465035 (1984-08-01), Carr
patent: 4794885 (1989-01-01), Honda et al.
patent: 4811697 (1989-03-01), Kurahashi
patent: 5488939 (1996-02-01), Nakai et al.

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