Patent ID: 6530354
Filing Date: 2003-03-11
Classification: F01M

Abstract:
An engine comprising:a rotatable crankshaft that produces crankshaft windage; a cylinder block forming at least one cylinder bore, with the crankshaft positioned partially within the bore, and the cylinder block having drain passages formed therein with discharge openings formed in a lower face of the cylinder block; an oil pan disposed beneath the crankshaft, the oil pan including a pan body for receiving oil that is exhausted from the crankshaft, and first and second vertically extending baffles attached to the pan body to form first and second channels which are vertically aligned with the drain passages, wherein the first baffle is adapted to scrape oil from crankshaft windage associated with the crankshaft, wherein said baffles have distal ends which are substantially coplanar with the discharge openings and the second baffle is configured to shield oil in one of the drain passages from crankshaft windage associated with the crankshaft.