US 11,867,295 B2
Sliding member
Tomoyuki Sato, Tokyo (JP); Yutaka Kitazume, Tokyo (JP); Kiyoyuki Kawai, Tokyo (JP); and Haojie Fu, Tokyo (JP)
Assigned to TPR Co., Ltd., Tokyo (JP)
Appl. No. 18/027,777
Filed by TPR Co., Ltd., Tokyo (JP)
PCT Filed Sep. 30, 2021, PCT No. PCT/JP2021/036227
§ 371(c)(1), (2) Date Mar. 22, 2023,
PCT Pub. No. WO2023/053380, PCT Pub. Date Apr. 6, 2023.
Prior Publication US 2023/0392688 A1, Dec. 7, 2023
Int. Cl. F16J 9/26 (2006.01)
CPC F16J 9/26 (2013.01) 5 Claims
OG exemplary drawing
 
1. A sliding member comprising a DLC coating on an outer peripheral sliding surface thereof,
wherein the DLC coating has a hydrogen content of 0.5 at % or less; and
wherein, in the DLC coating, an amount of plastic deformation work (Wplast), as measured by a nanoindentation test at a load of 100 mN, is 5.7 nJ or more.