Air intake device for outboard boat engine

Details Air intake device for outboard boat engine Air intake device for outboard boat engine

1997-04-30

1999-02-16

McMahon, Marguerite

Internal-combustion engines

Intake manifold

Passage to crankcase

12318434, 12318447, F02M 3510

Patent

active

058709878

ABSTRACT:
An air intake device for a vertically oriented multi-cylinder outboard boat engine having an engine block, a crankcase, and vertically spaced fuel intake ports. The air intake device includes a surge tank rigidly attached to the crankcase and having a plurality of vertically spaced air intake union pipes extending from the surge tank, and an intake manifold cover rigidly attached to the engine block and having a plurality of vertically spaced air intake union pipes extending from the intake manifold cover. A flexible air intake hose is connected between the air intake union pipes extending from the surge tank and the air intake pipes extending from the intake manifold cover.

REFERENCES:
patent: 3783845 (1974-01-01), Brandstetter
patent: 5357913 (1994-10-01), Okumura et al.
patent: 5630390 (1997-05-01), Tsunoda et al.
patent: 5651338 (1997-07-01), Pacheco et al.
patent: 5713771 (1998-02-01), Takahashi et al.

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