Patent ID: 7574991
Filing Date: 2009-08-18
Classification: F01L,F02F

Abstract:
1. A camshaft support structure for an internal combustion comprising: a cylinder head; a camshaft; a ladder frame lower cam carrier, in which a bridging part is integrally formed with an outer frame, that is superposed over a peripheral edge of the cylinder head, wherein the bridging part bridges the opposite sides of the outer frame, and a lower bearing that supports the camshaft is formed in the bridging part; and a unitized upper cam carrier and head cover, in which a bearing is integrally formed with a flange, that is superposed over the outer frame, wherein the bearing is provided on the inside of the flange and is disposed opposite a corresponding the bridging part, and an upper bearing that is formed on the bearing and that, together with the lower bearing, supports the camshaft.