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US08197143B2 Sliding bearing for internal combustion engines 有权
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Sliding bearing for internal combustion engines
摘要:
A sliding bearing has a pair of semi-cylindrical bearings assembled together to form a cylindrical configuration. At least one of the semi-cylindrical bearings is provided with an inner surface circumferentially extending oil groove extending a central portion of the circumferential length of the semi-cylindrical bearing. A bottom surface of the oil groove has an ups and downs form consisting of a plurality of ridges and valleys, which sinusoidally undulate consecutively without a flat portion therebetween. The dimensional relationship between a typical ridge and the adjacent valleys is defined by the formula h
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