Outboard motor including water-cooled V-engine
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorMakoto Yonezawa
Life of this patent
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Abstract
An outboard motor includes a water-cooled V-engine. The engine includes right and left cylinder block portions each having plural cylinders formed therein. The cylinders of each cylinder block portion are vertically juxtaposed. Cylinder heads are disposed behind the cylinder block portions. The outboard motor has horizontal and vertical shafts. The outboard motor can tilt up on the horizontal shaft and pivot sideways on the vertical shaft. The cylinders of each cylinder block portion have a cooling jacket formed therein. The lowermost cylinder has a discharge portion formed at an outermost part thereof. The discharge portion is designed to discharge out cooling water remaining in the cooling jacket.
Claims3
An outboard motor including a water-cooled V-engine, a horizontal shaft, and a vertical shaft, said outboard motor being tiltable up on said horizontal shaft and pivotable sideways on said vertical shaft,
- said water-cooled V-engine comprising:
- right and left cylinder block portions each having plural cylinders formed therein, said cylinders being vertically juxtaposed;
- cylinder heads disposed behind said right and left cylinder block portions, respectively;
- said plural cylinders of each of said right and left cylinder block portions having a cooling jacket formed therein, the cooling jacket allowing cooling water to flow therethrough to thereby cool said plural cylinders;
- and
- said right and left cylinder block portions having discharge portions formed at the lowermost cylinders thereof, said discharge portions each communicating with said cooling jacket of said plural cylinders of each of said right and left cylinder block portions, said discharge portions each being provided for discharging out cooling water remaining in said cooling jacket.
Dependencies are inferred from the claim text.