Patent ID: 6394053
Filing Date: 2002-05-28
Classification: F01L,F02B,F02F

Abstract:
A valve train for a small size diesel engine comprising:a pair of camshafts rotatively supported by and passing over a top of a cylinder head; one pair of intake and exhaust cams on each camshaft for each cylinder; two intake ports and two exhaust ports formed on the cylinder head over and around a bore center of each cylinder for communicating with the cylinder bore; two intake valves and two exhaust valves installed into the corresponding ports for selectively opening and closing the ports; rocker arms of which one end of each is connected to upper ends of the corresponding valves; and lash adjusters connected to other ends of the corresponding rocker arms for adjusting lash between the rocker arms and the cams; wherein the intake and exhaust ports are arranged in an alternative zigzag fashion.