Patent ID: 8813696

Claim:
An electro-hydraulic valve train, comprising: a valve stem having a valve head formed at a lower end thereof and a big-diameter stem formed at a middle portion thereof, the big-diameter stem having a larger diameter than that of an upper end of the valve stem; a swing arm having a roller contacting with a cam of a camshaft and one end connected to the valve stem, the one end being adapted to pivot with respect to an other end thereof according to a rotation of the cam to move the valve stem upwardly and downwardly; a first brake unit enclosing the valve stem and adapted to perform brake operation in when the valve stem moves upwardly; and a second brake unit mounted at the other end of the swing arm and adapted to selectively move the other end of the swing arm upwardly and downwardly and to perform brake operation in when the other end of the swing arm moves downwardly.