Patent ID: 9322326
Filing Date: 2016-04-26
CPC Classification: F02B,F02D,F02M,Y02T

Claim Text:
1. A method for operating an engine system, comprising: adjusting a plurality of vanes in a variable geometry turbocharger toward a closed position responsive to a pedal tip-out: adjusting an EGR valve from a fully closed position toward an open position responsive to a pedal tip-in, the EGR valve in fluidic communication with an exhaust sub-system upstream of a turbine; determining a delay based on an engine operating condition; and after the EGR valve is adjusted, waiting the determined delay before opening the plurality of vanes and then determining a driver-request torque and adjusting the plurality of vanes based on the driver-request torque; via a controller having non-transitory computer-readable storage medium.