Patent ID: 6427672
Filing Date: 2002-08-06
Classification: F01L,F02B

Abstract:
A valve-operating device with a breather system in an engine, comprising a camshaft including a breather passage, the camshaft being disposed in a valve-operating cam chamber and being carried on an engine body in such a manner that an inlet of said breather passage opens into an outer peripheral surface of the camshaft and an outlet of said breather passage communicates with an intake system, whereina bearing cap is detachably secured to the engine body for supporting an outer peripheral surface of one end portion of said camshaft with a bearing interposed therebetween, said bearing cap having a breather chamber provided therein to communicate with the outlet of said breather passage, said bearing cap being integrally formed at an outer peripheral surface thereof with a pipe-connecting portion to which a breather pipe communicating with said breather chamber and connected to the intake system is connected.