Patent ID: 8302574
Filing Date: 2012-11-06
Classification: F01M,F02M

Abstract:
1. A fuel pump lubrication apparatus for lubricating a fuel pump including a tappet and the fuel pump operating the tappet, comprising: a cylinder head including an oil gallery wherein a camshaft is disposed; an oil supply line fluid-communicated to the oil gallery; a lubrication cam cap slidably encompassing the camshaft; and a cam cap oil hole formed in the lubrication cam cap and ejecting oil received from the oil supply line to a contacting portion between the pump cam and a plunger of the fuel pump; wherein the oil supply line is formed such that oil is sequentially supplied from the oil gallery to a saddle groove formed to a cam saddle to receive the oil, a cam cap groove formed to the lubrication cam cap and fluid-connecting between the saddle groove and an oil injection passage of the lubrication cam cap, and the cam cap oil hole formed in the lubrication cam cap and fluid-connected to the oil injection passage; wherein the cam saddle slidably supports the camshaft thereon; and wherein the cam shaft covers the saddle groove and the cam cap groove.