Half thrust bearing and bearing device for crankshaft of internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9863462
SERIAL NO

15377282

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Abstract

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There is provided a half thrust bearing having a semicircular-ring shape for a crankshaft of an internal combustion engine, including a back metal layer and a bearing alloy layer having a slide surface on which thrust reliefs are formed adjacently to both circumferential end surfaces so that a wall thickness of the half thrust bearing becomes thinner from the slide surface toward the circumferential end surfaces. A thrust relief length L1 of each thrust relief extends over a circumferential angle θ1 from the circumferential end surface toward a circumferential central portion, and is constant between an inside end portion and an outside end portion in a radial direction of the half thrust bearing. A flat surface of each thrust relief includes a first region on the circumferential end surface side and a second region on the circumferential central portion side.

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Patent Owner(s)

Patent OwnerAddress
DAIDO METAL COMPANY LTD13F NAGOYA HIROKOJI BLDG 3-1 SAKAE 2-CHOME NAKA-KU NAGOYA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koushima, Motohiko Inuyama, JP 8 15
Tanaka, Shiho Inuyama, JP 12 114

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