Title:
SLIDING COMPONENT
Document Type and Number:
WIPO Patent Application WO/2021/020074
Kind Code:
A1
Abstract:
Provided is a sliding component having excellent lubrication performance and a high recovery rate for a sealed fluid. A mechanical seal 1 has a plurality of spiral grooves 7, which are dynamic pressure generation grooves extending from a low-pressure side L toward a high-pressure side H, formed on a sliding surface S1 of a stationary sealing ring 4, which is either one of a pair of sliding components in the mechanical seal 1. A circular groove 9, which is a recessed groove extending in the circumferential direction and opening on the low-pressure side L, is formed on the sliding surface S1, and the circular groove 9 communicates with the spiral grooves 7.
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Inventors:
INOUE HIROKI (JP)
NEGISHI YUTA (JP)
ONUMA MINORI (JP)
OU IWA (JP)
IMURA TADATSUGU (JP)
SUZUKI HIROSHI (JP)
NEGISHI YUTA (JP)
ONUMA MINORI (JP)
OU IWA (JP)
IMURA TADATSUGU (JP)
SUZUKI HIROSHI (JP)
Application Number:
PCT/JP2020/027005
Publication Date:
February 04, 2021
Filing Date:
July 10, 2020
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F16C17/04; F16J15/34
Foreign References:
| JPH0341268U | 1991-04-19 | |||
| JPH0335372U | 1991-04-05 | |||
| JPH0144492B2 | 1989-09-28 |
Other References:
See also references of EP 4006368A4
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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