Patent ID: 8028524
Filing Date: 2011-10-04
Classification: F02B,F04D

Abstract:
1. A supercharger for an internal combustion engine comprising a housing, a drive shaft, a drive gear mounted on the drive shaft, an impeller shaft disposed below said drive gear, an impeller gear mounted on the impeller shaft and engaging said drive gear, a plurality of bearing assemblies comprising bearings supporting said drive and impeller shafts, a fluid reservoir within said housing for holding a supply of lubricating oil therein, an oil slinger mounted on said impeller shaft and extending into said reservoir for collecting and slinging lubricating oil onto said bearings, said drive and impeller shafts and said drive and impeller gears, and a baffle assembly disposed within said housing comprising a plurality of upper baffles and at least one lower baffle, said upper baffles defining inclined walls extending at downward inclinations from opposed portions of said housing proximate lower perimeter portions of said drive gear and said lower baffle defining a curvilinear wall proximate a lower perimeter portion of said impeller gear, said inclined and curvilinear walls stripping lubrication oil from said drive and impeller gears during rotation thereof and controlling the volume and flow of lubricating oil onto said drive and impeller gears, said drive and impeller shafts and said bearings and directing oil flow therefrom back into said reservoir.