Patent ID: 7104694
Filing Date: 2006-09-12
Classification: F01L,F16C

Abstract:
1. A bearing apparatus for a camshaft disposed in a cylinder head in an engine, comprising: a bearing cap fastened to the cylinder head to fix relative position of the camshaft to the cylinder head; and a cap bolt that fastens the bearing cap to the cylinder heads wherein the bearing cap comprises: a cylinder-head meeting surface connected to the cylinder head; a first wall that forms a bolt insert bore, wherein the cap bolt is inserted in the bolt insert bore; and a second wall that forms part of the first wall; the second wall forming an oil escape bore to penetrate therethrough, wherein the oil escape bore is formed with a distance from the cylinder-head meeting surface, and connects the bolt insert bore to an outside space of the bearing cap; wherein the second wall forms the oil escape bore that is connected to an inside space of a chain casing as the outside space of the bearing cap, wherein the chain casing houses a timing chain that delivers engine power to the camshaft.