Patent ID: 8151776
Filing Date: 2012-04-10
Classification: F01M

Abstract:
1. A breather apparatus in an engine including a cylinder head having a timing-gear chamber that accommodates a driven-side rotator fixed to one end of a rotatably supported camshaft and communicates with a crank chamber, and a side cover that is detachably mounted to a side cover attachment part, which is open to the side portion of the timing-gear chamber oppositely to a side face of the driven-side rotator, the driven-side rotator being rotatable in conjunction with a crankshaft rotatably supported within the crank chamber, the breather apparatus removing oil mist from blow-by gas in the engine and allowing the blow-by gas to be circulated into an intake system, the breather apparatus comprising: a first breather device that separates oil mist from blow-by gas in the timing-gear chamber; and a second breather device that separates and removes oil mist from blow-by gas received from the first breather device, wherein the first breather device includes: the second breather device includes: the oil separator of the first breather device extends about a periphery of the blow-by gas inlet port of the second breather device.