CHARGING DEVICE WITH A WASTEGATE VALVE DEVICE
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Jul 16, 2019
filing date -
Jul 16, 2019
priority date (Note) -
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Abstract
A charging device may include a turbine housing and a wastegate valve device. The wastegate valve device may include a flap, a spindle arm, a wastegate spindle, an axial stop, and a lever arm non-rotatably attached to the wastegate spindle. The wastegate spindle may be rotatably mounted in a bushing disposed on the turbine housing. A wastegate duct may be disposed in the turbine housing. The wastegate duct may have a duct aperture enclosed by a valve seat. The duct aperture, when in a closed state, may be closed by the flap of the wastegate valve device. A sealing face of the flap may be defined by a sequence of at least two conical peripheral surfaces arranged next to one another and each having a different inclination.
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