Patent ID: 11892081
Assignee: EAGLE INDUSTRY CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A sliding component comprising a pair of sliding members, one of the sliding members having a sliding surface provided with a plurality of dynamic pressure generation grooves extending from a leakage side to a sealed fluid side,
wherein the sliding surface is provided with a recessed portion extending in a circumferential direction and opened to the leakage side,
wherein the recessed portion communicates with the dynamic pressure generation grooves,
wherein a bottom surface of the recessed portion is formed to be equal in depth to or higher than a bottom surface of each of the dynamic pressure generation grooves at a boundary between the recessed portion and each of the dynamic pressure generation grooves,
wherein the recessed portion has a circumferential width larger than circumferential lengths of the dynamic pressure generation grooves, and
wherein each of the dynamic pressure generation grooves radially overlap with a groove portion of the recessed portion which is protruded in the circumferential direction from each of the dynamic pressure generation grooves.