Stern tube seal system
US9970545B2 · kind B2 · utility
1Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2017 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Feb 2, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H2023/327
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal system includes a face seal rotor ring including a wide sealing face preferably made of tungsten carbide. The stator ring includes a narrower sealing face confronting the rotor ring wide sealing face. The stator ring sealing face is preferably made of polyamide-imide and tapers to narrower widths rearwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.