Sealing device
US9803650B2 · kind B2 · utility
1Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 4, 2014 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Sep 10, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/307
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Provided is a sealing device including: an impeller configured to rotate; a casing including a groove portion in a surface facing the impeller; a floating ring configured to float between the casing and the impeller and configured to be inserted into the groove portion; and a centering ring provided inside the groove portion and provided between the casing and the floating ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.