Patent ID: 9227714
Filing Date: 2016-01-05
CPC Classification: B63H,F01M,F02B

Claim Text:
1. An outboard motor comprising: an engine including a crankshaft configured to be rotatable about a rotation axis extending in an up-down direction, and a crank chamber that houses the crankshaft; an oil pan that includes an oil retaining portion provided at an upper end portion thereof with an opening opened upward, and that is disposed under the engine and configured to retain lubricating oil to be supplied to at least the crank chamber inside the oil retaining portion; a cooling water passage disposed along an outer wall surface of the oil retaining portion; an oil recovery passage that extends downward from the crank chamber to the oil retaining portion and is configured to lead lubricating oil inside the crank chamber to an inside of the oil retaining portion; and a guide member that is provided with a shielding portion disposed inside the oil recovery passage so as to be located over the opening of the oil retaining portion and a guide hole disposed inside the oil recovery passage so as to be located over an inner wall surface of the oil retaining portion, and that is configured to guide lubricating oil inside the oil recovery passage to the guide hole by the shielding portion and allow lubricating oil to flow down to the inner wall surface of the oil retaining portion from the guide hole.