Lubricating structure for outboard motors

Details Lubricating structure for outboard motors Lubricating structure for outboard motors

2006-08-08

2006-08-08

Sotelo, Jesus D. (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

C440S08800J

Reexamination Certificate

active

07086915

ABSTRACT:
There is provided a lubricating structure for an outboard motor, which can secure a sufficiently large cross-sectional area for a main oil gallery while preventing an increase in the width of an engine thereof. A water-cooled four-cycle six-cylinder V-type engine having a generally vertically disposed crankshaft is mounted on an engine holder. A cylinder block is disposed at the rear of a crankcase disposed in the foremost end (i.e. on the bow side) of the engine, and a main oil gallery extends vertically in the starboard-side side part of the cylinder block. Namely, the main oil gallery is disposed not in a central part of the cylinder block in the transverse direction thereof, but at a location outward of cylinder bores of the cylinder block.

REFERENCES:
patent: 5778848 (1998-07-01), Takahashi et al.
patent: 6513463 (2003-02-01), Katayama
patent: 6868819 (2005-03-01), Saiga et al.
patent: 5-306633 (1993-11-01), None
patent: 10-18827 (1998-01-01), None
patent: 2001-342812 (2001-12-01), None

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