Marine propulsion unit

Details Marine propulsion unit Marine propulsion unit

1994-04-15

1996-05-07

Macy, Marguerite

Internal-combustion engines

Intake manifold

For engine having radiating cylinders

12318442, 123195HC, F02F 142

Patent

active

055136060

ABSTRACT:
Several embodiments of internal combustion engines for use in outboard motors that permits a compact construction. This is achieved by having the intake ports of the cylinder head have a U-shaped configuration and positioning the induction system on the side of the engine with the charge former extending into a recess formed by the cylinder block above the crankcase. Intake pipes extend along the side of the crankcase and are served by a plenum chamber that is spaced from the crankcase. Both V and in-line engines are disclosed.

REFERENCES:
patent: 4257368 (1981-03-01), Hofbauer
patent: 4520627 (1985-06-01), Reichenbach et al.
patent: 4760703 (1988-08-01), Minami et al.
patent: 4817566 (1989-04-01), Newman
patent: 4879980 (1989-11-01), Piazzo
patent: 5050701 (1991-09-01), Okui et al.
patent: 5129367 (1992-07-01), Lee et al.

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