公开(公告)号：US10927887B2

公开(公告)日：2021-02-23

申请号：US15569059

申请日：2016-02-24

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Shigeru Inami ,  Tetsuya Ogawa

IPC: B32B3/26 ,  B32B3/30 ,  F16C17/02 ,  F16C17/04 ,  F16C33/20

Abstract: A resin coating layer has a shape line that indicates the shape of a surface and is divided by virtual straight lines parallel to the X axis and setting an area of recessed sections that protrudes below the virtual straight lines and an area of protruding sections that protrudes above the virtual straight lines. A virtual straight line at a position at which the area totals for the area of recessed sections and the area of protruding sections are equal is defined as the average line for unevenness. Areas that protrude downwards from this average line for unevenness are defined as recessed sections and areas that protrude above this average line for unevenness are defined as protruding sections. The average area Sa for one recessed section is 4-120 μm2 and the number M of recessed sections between two points having a distance of 1 mm therebetween is 3-20.

公开(公告)号：US11221042B2

公开(公告)日：2022-01-11

申请号：US16762633

申请日：2018-11-08

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Tetsuya Ogawa ,  Kazuki Sakai

IPC: F16C17/04 ,  F16C33/04 ,  F16C33/20 ,  F16C9/02 ,  F16C33/10

Abstract: This half thrust bearing having a half-ring shape has: a sliding surface for receiving force in the axial direction; a back surface opposed to the sliding surface; and a resin covering layer on the sliding surface. The half thrust bearing is characterized in that the thickness of the resin covering layer is greatest at the circumferential central part of the half thrust bearing, and becomes lesser toward both circumferential ends of the half thrust bearing. The present invention also pertains to a thrust bearing, a bearing device, and an internal combustion engine.

公开(公告)号：US12215742B2

公开(公告)日：2025-02-04

申请号：US17774069

申请日：2020-11-27

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Tetsuya Ogawa ,  Erina Yasuda ,  Kenji Nimura

IPC: F16C33/20

Abstract: A sliding member includes a resin overlay layer on a sliding-surface side of a bearing alloy layer. The resin layer includes a resin binder and 20% by volume or more of solid lubricant particles with an anisotropic shape dispersed in the resin binder. The sliding surface is located at 0° and has a virtual axis perpendicular to the sliding surface at 90°. An angle θ is formed by a straight line and a major axis of the particles. The total number of the particles in a observation region is N. A rate R1=N1/N of the number N1 of first particles at the angle θ of 70°≤θ≤90° from among the particles is 3%≤R1≤20%, and a rate R2=N2/N of the number N2 of second particles with the angle θ being θ≤20° is 35%≤R2≤65%.

公开(公告)号：US10018222B2

公开(公告)日：2018-07-10

申请号：US15523468

申请日：2016-02-24

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Shigeru Inami ,  Tetsuya Ogawa ,  Tadatoshi Nagasaki

IPC: F16C33/20 ,  F16C17/02

CPC classification number: F16C17/02 ,  F16C17/04 ,  F16C33/046 ,  F16C33/20 ,  F16C33/206 ,  F16C33/208 ,  F16C2240/54 ,  F16C2240/60 ,  F16C2360/22

Abstract: A resin coating layer in a sliding member has a surface shape indicated by a shape line. This shape line is divided into recessed sections and protruding sections by an average line for uneven areas. The inclination R of a straight line connecting the bottom of these recessed sections and the peak of these protruding sections is classified into Ra: R