| 主权项 |
1. A pair of sliding parts comprising sealing faces that relatively slide on each other, wherein:
a plurality of fluid circulation grooves, each of the fluid circulation grooves including an inlet section where a fluid comes in from a high pressure fluid side, an outlet section where the fluid goes out to the high pressure fluid side, and a communication section that provides communication between the inlet section and the outlet section are provided in at least one of the sealing faces; wherein the plurality of fluid circulation grooves is isolated from a low pressure fluid side by a land section, and provided in the circumferential direction of the sealing face and isolated by the land section; a positive pressure generation mechanism is provided in a part surrounded by the fluid circulation groove and the high pressure fluid side; a negative pressure generation mechanism is provided on the low pressure fluid side between the plurality of fluid circulation grooves; an auxiliary fluid circulation groove including an inlet section where the fluid comes in from the high pressure fluid side, an outlet section where the fluid goes out to the high pressure fluid side, and a communication section that provides communication between the inlet section and the outlet section is further provided on the high pressure fluid side between the plurality of fluid circulation grooves; and an auxiliary positive pressure generation mechanism is provided in a part surrounded by the auxiliary fluid circulation groove and the high pressure fluid side. |
