Patent ID: 7293543
Filing Date: 2007-11-13
Classification: F16H,Y10T

Abstract:
1. An integrated speed changer assembly comprising: (a) a housing for mounting to a flywheel housing of an engine, wherein the housing has a shaft opening and a flywheel opening; (b) a flywheel assembly for mounting to an engine crankshaft, wherein the flywheel assembly is positioned adjacent to the flywheel opening of the housing; (c) an internal ring gear coupled to the flywheel assembly, said internal ring gear having ring gear teeth on its inner surface and being positioned concentric with the flywheel assembly for rotation therewith; (d) a pinion having a driven shaft extending axially and projecting through the shaft opening of the housing, said pinion having pinion gear teeth on its outer surface adapted for meshing engagement with the ring gear teeth of the internal ring gear; wherein, the rotational power of the flywheel assembly is transferred to the driven shaft such that in operation, the rotational speed of the driven shaft is greater than the rotational speed of the flywheel assembly.