Half bearing
AssigneeDaido Metal Company Ltd.
InventorsYuto Otsuki, Mikio Suzuki
Life of this patent
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Abstract
A half bearing for a crankshaft of an internal combustion engine, which includes crush relieves at both circumferential end portions of an inner circumferential surface of the half bearing, is provided. The half bearing further includes an axial groove at least at a position adjacent to a crush relief on a rear side of a relative rotation direction of the crankshaft, and adjacent to the inner circumferential surface of the half bearing. The axial groove extends along an entire width of the inner circumferential surface of the half bearing.
Claims4
A half bearing for a crankpin portion of a crankshaft of an internal combustion engine, comprising a first crush relief and a second crush relief at both circumferential end portions of an inner circumferential surface of the half bearing, the first crush relief being positioned on a rear side of a relative rotation direction of the crankshaft, and the second crush relief being positioned on a front side of the relative rotation direction of the crankshaft,
- wherein the half bearing further comprises a first axial groove at a position adjacent to the first crush relief, the first axial groove being positioned such that one end of the first axial groove is in the inner circumferential surface of the half bearing and another end is in the first crush relief, and
- wherein the first axial groove extends along an entire width of the inner circumferential surface of the half bearing.
Dependencies are inferred from the claim text.