Oil pan arrangement for four-cycle outboard motor

Details Oil pan arrangement for four-cycle outboard motor Oil pan arrangement for four-cycle outboard motor

1996-08-02

1998-01-06

Swinehart, Edwin L.

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

440 89, 440900, B63H 2126

Patent

active

057048193

ABSTRACT:
An outboard motor having a high-performance V-type twin overhead cam four-cycle internal combustion engine. The oil reservoir for the engine is disposed in a driveshaft housing below the engine and an oil pump is driven off the lower end of the engine crankshaft for circulating the oil from the oil tank to the engine. The oil supply system for the engine includes a vertically extending main gallery and a drain passage which extend in parallel side-by-side relationship and which are disposed over the oil tank for ease of oil return. The exhaust and cooling system for the engine is configured so as to minimize heat transfer between the exhaust system and the lubricating system and to maintain a compact assembly.

REFERENCES:
patent: 5462464 (1995-10-01), Ming

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