Apparatus and method for actuating or maintaining a seal by differential pressure
US7648177B2 · kind B2 · utility
3Cited by
17References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2003 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Sep 2, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus that facilitates tight sealing between a first space and a second space. The second space is at least partially enclosed by a member. The apparatus includes or performs creating or maintaining a pressure difference between a pressure in a third space at a seal assembly and pressure in each of the first space and the second space; and pushing, caused by the pressure difference, against a seal in the seal assembly to tighten sealing provided by the seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.