US 12,188,516 B2
Sliding component
Yuta Negishi, Tokyo (JP); Ryosuke Uchiyama, Tokyo (JP); Hiroki Inoue, Tokyo (JP); Minori Onuma, Tokyo (JP); Yoshiaki Takigahira, Tokyo (JP); Hikaru Katori, Tokyo (JP); Nobuo Nakahara, Tokyo (JP); and Takeshi Hosoe, Tokyo (JP)
Assigned to EAGLE INDUSTRY CO., LTD., (JP)
Appl. No. 17/928,571
Filed by EAGLE INDUSTRY CO., LTD., Tokyo (JP)
PCT Filed May 31, 2021, PCT No. PCT/JP2021/020703
§ 371(c)(1), (2) Date Nov. 29, 2022,
PCT Pub. No. WO2021/246372, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 2020-095900 (JP), filed on Jun. 2, 2020.
Prior Publication US 2023/0228292 A1, Jul. 20, 2023
Int. Cl. F16C 17/02 (2006.01); F16C 17/04 (2006.01); F16J 15/34 (2006.01)
CPC F16C 17/028 (2013.01) [F16C 17/045 (2013.01); F16J 15/3412 (2013.01); F16J 15/3416 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A sliding component formed in an annular shape, wherein
the sliding component includes a sliding surface provided with a plurality of fluid introduction grooves communicating with a space on a sealing target fluid side and introducing a sealing target fluid therein and a plurality of inclined grooves extending from a leakage side toward the sealing target fluid side and configured to generate a dynamic pressure, and
wherein the sliding surface of the sliding component is further provided with at least a concave portion disposed between adjacent two of the fluid introduction grooves in a circumferential direction.