Patent ID: 6178931
Filing Date: 2001-01-30
Classification: F02N

Abstract:
A hub unit a fan wheel for an internal combustion engine having a crankshaft and a starter device, said hub unit comprising:a wheel body made of plastic;a hub sleeve defining an axis and being made of a high tensile strength material and carrying said wheel body;means for holding said hub sleeve on said crankshaft so as to prevent rotation relative thereto;a clamping element for axially fixing said hub sleeve on said crankshaft;a starter ring concentric with said axis and adapted for a clutch engagement with said starter device so as to be entrainable thereby;said starter ring and said hub sleeve being originally formed as a single piece to define a hub housing;said hub housing including a support shell for carrying said starter ring in axial spaced relationship to said hub sleeve;said hub housing has a periphery; and, wherein said hub unit further comprises a plurality of radially directed anchors formed on said periphery; and, said anchors extending radially beyond said starter ring and being disposed rotationally symmetric along said periphery.