Wet-face/dry-face seal and methods of operation
US11209086B2 · kind B2 · utility
6Cited by
22References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2018 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | May 21, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A seal system has: a first member; a seal carried by the first member and having a seal face; and a second member rotatable relative to the first member about an axis. The second member has: a seat, the seat having a seat face in sliding sealing engagement with the seal face; and a circumferential array of passageway legs open to the seat face; and an oil pump for delivering oil via one or more first outlets to the passageway legs in at least a first mode of operation. The oil pump is coupled to one or more second outlets to deliver oil to a backside of the seat in at least a second mode of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.