Outboard motor

Details Outboard motor Outboard motor

1982-09-02

1984-06-05

Myhre, Charles J.

Internal-combustion engines

Frame construction

Horizontal cylinder

123196R, 123196W, 123 73AD, 184 618, F02F 700

Patent

active

044521944

ABSTRACT:
A water cooled, four-cycle internal combustion engine particularly adapted for use in an outboard motor. A supporting plate arrangement is used with the supporting plate extending across the driveshaft housing at its upper end. The engine is supported on the upper side of the supporting plate and an oil pan is supported on the underside of the supporting plate and depends into the driveshaft housing. The construction is such that the engine may be removed from the supporting plate without necessitating removal of the oil pan from the supporting plate so as to facilitate servicing. In addition, an oil drain is provided through the supporting plate at such a location so as to insure against leakage of the lubricant from the oil sump back into the engine regardless of whether the engine is in its normal running condition or its tilted up condition. The engine also includes an improved lubricating system for insuring good pressure lubrication of all components while minimizing the number of oil passages and avoiding the use of external oil conduits.

REFERENCES:
patent: 2501470 (1950-03-01), Krueger et al.
patent: 2547128 (1951-04-01), Kiekhaefer
patent: 2879738 (1959-03-01), Culbertson
patent: 3610198 (1971-10-01), Alexandrowicz
patent: 3888227 (1975-06-01), Green et al.

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