Marine propulsion device

Details Marine propulsion device Marine propulsion device

1989-02-27

1990-10-30

Peters, Jr., Joseph F.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

60324, B63H 2126

Patent

active

049665677

ABSTRACT:
A marine propulsion device comprising an internal combustion engine including an engine block comprising a cylinder, an idle exhaust inlet port, an idle exhaust outlet port communicating directly with the atmosphere, and an idle exhaust passage communicating between the idle exhaust inlet port and the idle exhaust outlet port, a drive shaft housing, a propeller shaft rotatably supported by the drive shaft housing and adapted to support a propeller, a drive shaft extending through the drive shaft housing and including an upper end driven by the engine and a lower end drivingly connected to the propeller shaft, and an exhaust housing located at least partially within the drive shaft housing and connected to the engine, the exhaust housing including a main exhaust passage communicating with the exhaust outlet port, and an idle exhaust passage communcating between the main exhaust passage and the engine idle exhaust inlet port.

REFERENCES:
patent: 3045423 (1962-07-01), Hulsers
patent: 3296997 (1967-01-01), Holby
patent: 3520270 (1970-07-01), Miller
patent: 3577952 (1971-05-01), Tado
patent: 3911852 (1975-10-01), Miller
patent: 4019456 (1977-04-01), Harbert
patent: 4421490 (1983-12-01), Nakahama
patent: 4507092 (1985-03-01), Hall
patent: 4668199 (1987-05-01), Freuno
patent: 4795383 (1989-01-01), Binversie
patent: 4799905 (1989-01-01), Broughton
patent: 4906214 (1990-03-01), Towner

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