Back to results
US 2017/0362996 A1Published application
Wastegate closed position detent feature
AssigneeGM Global Technology Operations LLC
InventorsMaqsood Rizwan ALI KHAN, Pulasti BANDARA, Mark R. CLAYWELL
Life of this patent
Estimating the term…
Abstract
A vehicle powertrain includes an engine having an air intake system and an exhaust system. A turbocharger includes a turbine section connected to the exhaust system and a compressor section connected to the air intake system. A wastegate is disposed in the exhaust system and movable between an open and a closed position by an actuator system. The actuator system includes an engagement device and detent mechanism for assisting with holding the wastegate in the closed position.
Claims18
A vehicle powertrain, comprising:
- an engine having an air intake system and an exhaust system;
- a turbocharger including a turbine section connected to the exhaust system and a compressor section connected to the air intake system;
- and
- a wastegate disposed in the exhaust system and movable between an open and a closed position by an actuator system, the actuator system including a drive mechanism for moving the waste gate from a closed to an open position and means for assisting with holding the wastegate in the closed position.
1 more element
A turbocharger, comprising:
- a turbine section and a compressor section;
- and
- a wastegate disposed in the turbine section and movable between an open and a closed position by an actuator system, the actuator system including a drive mechanism for moving the wastegate from a closed to an open position and means for assisting with holding the wastegate in the closed position.
Dependencies are inferred from the claim text.