Patent attributes
A hydraulically operated wastegate valve control system for a turbocharged internal combustion engine is disclosed. The control system includes a hydraulically operated wastegate valve configured to permit exhaust to bypass a turbine section. A first sensor is configured to sense an actuation of at least one of an intake valve and an exhaust valve by a variable valve actuation mechanism, and a second sensor is configured to detect a turbocharger speed. A controller is configured to deliver a control signal based on a predetermined relationship between the actuation of at least one of the intake and exhaust valves by the variable valve actuation mechanism and the turbocharger speed, and an operator is configured to receive the control signal and control actuation of the hydraulically operated wastegate valve based on the control signal.
