Patent ID: 7798289
Filing Date: 2010-09-21
Classification: F01M,F02B

Abstract:
1. A horizontally-opposed cylinder internal-combustion engine having a pressure lubrication system according to the dry-sump principle, comprising a crankcase in which an oil scavenging space forming a dry sump is constructed in the lower part from which the lubricating oil is fed by way of an oil return feed pump equipped with an oil scavenging pipe to an oil storage space forming a wet sump, and a main feed pump feeds the lubricating oil situated in the oil storage space to consuming devices, wherein the oil storage space forming a wet sump is integrated in the internal-combustion engine crankcase, wherein the oil return feed pump feeds scavenged oil to an oil return comprising annular spaces around the cylinders, the annular spaces having openings in a lower lateral surface thereof connecting to the oil storage space forming a wet sump.