Turbocharger system having an air-cooled wastegate actuator
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United States of America Patent
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Nov 21, 2017
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app pub date -
Feb 13, 2015
filing date -
Feb 13, 2015
priority date (Note) -
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Abstract
A system and methods for a vehicle are provided for adjusting each of a speed of a radiator fan and a position of grille shutters of the vehicle responsive to a temperature at a wastegate exceeding a temperature threshold. In one example, a system may include a radiator fan at a front end of a vehicle, an engine coupled to an exhaust passage, a turbine in the exhaust passage having a bypass conduit, a wastegate positioned in the turbine conduit, and the wastegate receiving airflow from downstream of the radiator fan via a cooling duct.
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