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US RE38,414 E1Granted
Sliding bearing for an internal combustion engine
AssigneesToyota Jidosha Kabushiki Kaisha, Taiho Kogyo Co., Ltd.
InventorsZenichirou Katou, Yoshikatsu Nakamura, Katsuyuki Hashizume, Soji Kamiya
Life of this patent
Estimating the term…
Abstract
A sliding bearing for an internal combustion engine; the sliding bearing having a groove formed substantially circumferentially on an inner circumferential face of the sliding bearing; the width of the groove being smaller than 0.6 mm, and the ratio of the width of the groove to depth of the groove being larger than 40.
Claims33
A sliding bearing for an internal combustion engine;
- said sliding bearing having a groove formed substantially circumferentially on an inner circumferential face of said sliding bearing;
- the width of said groove being smaller than 0.6 mm, a depth of the groove being less than 3 μm and the ratio of said width of said groove to the depth of said groove being larger than 40.
A sliding bearing for an internal combustion engine;
- the sliding bearing having a groove formed substantially circumferentially on an inner circumferential face of the sliding bearing;
- the width of the groove being smaller than 0.6 mm, a depth of the groove being in the range from 1.5 μm to 2.5 μm and the ratio of the width of the groove to the depth of the groove being larger than 40.
Dependencies are inferred from the claim text.