Shaft seal device and rotary machine
US12345335B2 · kind B2 · utility
0Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2022 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Jun 29, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/57
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A shaft seal device according to at least one embodiment of the present disclosure includes: a plurality of thin plates arranged in a circumferential direction of a rotational shaft and each having a width in an axial direction of the rotational shaft and a seal ring including a seal mounting groove for mounting the plurality of thin plates. An inner wall of the seal mounting groove on one side in the axial direction has a groove formed along the circumferential direction, in an inner region in a radial direction of the rotational shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.