Modular gas seals cartridge
US7144015B2 · kind B2 · utility
6Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2004 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | Mar 25, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3484
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tandem gas seal assembly is described for sealing between the rotor and the casing of a rotary machine. The assembly comprises two sealing stages 10, 12 mounted axially adjacent to one another on the machine rotor. In the invention, wherein the two stages 10 and 12 are totally separable from one another and each is capable of functioning as a seal when separated from the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.