Actuating device for an exhaust gas flow control element of an exhaust gas turbocharger
US9080504B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2012 |
| Grant date | Jul 14, 2015 |
| Priority date | — |
| Expiry date | Jul 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Actuating device for a gas flow control element arranged in an inflow path of a turbocharger turbine and connected to a spindle traversing a turbine housing wall and fixed to an adjusting element adjoining said wall; a resilient seal pretensioned in the spindle axis direction comprises at least one annular sealing disc traversed by the spindle and being a resilient sheet metal ring is installed between said wall and the adjusting element said ring being pressed with bead feet of at least one annular half bead against an abutment surface fixed relative to the adjusting element and an abutment surface fixed relative to said wall, and the seal together with said abutment surfaces and at least the spindle delimit a space being sealed gastightly except for at least a gap between the spindle and said wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.