Ring seals for gas sealing and vibration damping
US8182206B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2007 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Feb 17, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A connection device for connecting two turbine housings (1, 2) of a two-stage turbocharging system includes a male/female joint for joining the two turbine housings; a cylindrical ring seal (3) installed under compression inside the male/female joint for sealing exhaust gas; and a vibration damper (4) in a shape of a flat washer and placed between the two housings. The cylindrical ring seal can be made of stainless steel mesh impregnated with vermiculite or graphite. The vibration damper can be made of stainless steel mesh but not impregnated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.