CRANKSHAFT THRUST BEARING AND ENGINE CONTAINING SAME

摘要

Improved fluid supply grooves in the face of an axial thrust bearing for a crankshaft are disclosed. The grooves have a larger cross-sectional area at the outer radius of the bearing body than at the inner radius of the bearing body.

主权项

1. A bearing assembly, comprising:
a semi-circular shaped bearing body with two sets of opposing faces; a first set of the opposing faces including a radially outwardly facing surface and a radially inwardly facing surface; a second set of the opposing faces including axially outwardly opposing faces; a plurality of fluid supply grooves extending radially in one of said axially outwardly opposing faces of said bearing body; and wherein at least one of said fluid supply grooves has a larger cross-sectional area at the radially outwardly facing surface than a cross-sectional area of said fluid supply groove at the radially inwardly facing surface of said bearing body.