Breather apparatus of crankcase

Details Breather apparatus of crankcase Breather apparatus of crankcase

F - Mech Eng,Light,Heat,Weapons

01

M

F01M 13/04 (2006.01) F02B 61/02 (2006.01)

Patent

CA 2467489

A breather apparatus of an engine that crankcase includes a vertical wall provided to support a crankshaft of the engine via a bearing. The vertical wall has an opening at an upper portion of a breather path to flow an oil-component mixed gas generated in the crankcase into the breather path. A lubricating-oil return port is formed on the vertical wall at a lower portion of the breather path to return oil components of the oil-component mixed gas toward the crankcase. A guide member is on the inner surface of the vertical wall extending from a lubricating-oil return port toward a bottom portion of the crankcase to guide the returned oil components into the lubricating oil accommodated in the crankcase, and a notched portion is on a partition wall disposed outwardly from the vertical wall to flow out gas components of the oil-component mixed gas to the outside of the engine.

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