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公开(公告)号：US10704591B2
公开(公告)日：2020-07-07
申请号：US16416611
申请日：2019-05-20
Applicant: DAIDO METAL COMPANY LTD.
Inventor： Seiji Amano , Toru Watanabe
Abstract: Provided is a semi-cylindrical shaped half bearing. The half bearing has an inner surface forming a sliding surface. The sliding surface includes a plurality of recesses. Each recess has a smooth recess surface recessed from the sliding surface toward an outer diameter side of the half bearing. The recess surface forms a convex curve toward the outer diameter side of the half bearing in a cross-sectional view in any direction perpendicular to the sliding surface. The recess surface includes a plurality of circumferential grooves. The circumferential grooves are recessed from the recess surface toward the outer diameter side of the half bearing. The circumferential grooves extend along a circumferential direction of the half bearing so that smooth surfaces and the circumferential grooves are alternately arranged on the recess surface.
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公开(公告)号：US10704590B2
公开(公告)日：2020-07-07
申请号：US16258882
申请日：2019-01-28
Applicant: DAIDO METAL COMPANY LTD.
Inventor： Seiji Amano , Toru Watanabe
Abstract: Provided is a semi-annular shaped half thrust bearing. The half thrust bearing has a sliding surface and a back surface opposite to the sliding surface. The sliding surface includes a plurality of recesses. Each recess has a recess surface recessed from the sliding surface toward the back surface. The recess surface is convex toward the back surface in cross-sectional view in a center line direction of the half thrust bearing. The recess surface includes a plurality of grooves. The grooves are recessed from the recess surface toward the back surface. The grooves extend in the center line direction so that smooth surfaces and the grooves are alternately arranged on the recess surface in a horizontal direction of the half thrust bearing.
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