Patent ID: 9016250
Filing Date: 2015-04-28
Classification: F01L,F01M

Abstract:
1. An internal combustion engine having a crankshaft rotatable about a crankshaft axis and a camshaft rotatable by the crankshaft about a camshaft axis, said internal combustion engine comprising: a) an oil source; b) an engine cover; c) a drive member disposed within said engine cover for transferring rotational motion from said crankshaft to said camshaft; d) a camshaft phaser disposed within said engine cover for controllably varying the phase relationship between said crankshaft and said camshaft, said camshaft phaser comprising: e) a supply passage for communicating oil, in use, from said oil source to said camshaft phaser in order to lubricate said camshaft phaser; f) a drain passage for draining oil, in use, from said camshaft phaser to said oil source; and g) a sealing arrangement defining a dry zone within said engine cover to isolate said drive member from oil used to lubricate said camshaft phaser.