Turbocharger wastegate and method for operation of a turbocharger wastegate
AssigneeFord Global Technologies, LLC
InventorsAlan Eden, Anthony Morelli
Life of this patent
Estimating the term…
Abstract
A turbocharger wastegate is provided. The turbocharger wastegate comprises a cover plate actuatable in an open and closed position, the open position enabling exhaust gas flow through a turbine bypass conduit and the closed position inhibiting exhaust gas flow through the turbine bypass conduit and a vibration-dampening extension coupled to the cover plate radially extending beyond a radial periphery of the cover plate. Exhaust gas flow acting on the extension thus reduces vibration of the wastegate, thereby improving durability and reducing unwanted noise.
Claims20
A turbocharger wastegate comprising:
- a cover plate actuatable in open and closed positions, the open position enabling exhaust gas flow through a turbine bypass conduit and the closed position inhibiting exhaust gas flow through the turbine bypass conduit;
- and
- a vibration-dampening extension coupled to the cover plate radially extending beyond a radial periphery of the cover plate.
A turbocharger wastegate comprising:
- an actuatable cover plate coupled to a turbine bypass conduit;
- and
- a semi-annular vibration-dampening extension fixedly coupled to the cover plate asymmetrically extending radially beyond the cover plate and into an exhaust gas flow from a turbine outlet when the cover plate is in a closed position inhibiting gas flow through the turbine bypass conduit.
A method for operating a turbocharger wastegate in an engine comprising:
- operating the turbocharger wastegate based on engine operation conditions;
- and
- imparting a side-force on a portion of a cover plate in the wastegate via a vibration-dampening extension.
Dependencies are inferred from the claim text.