Patent ID: 6089018
Filing Date: 2000-07-18
Classification: F02B,F02D,Y02T

Abstract:
A method of controlling a variable turbine geometry of an exhaust gas turbocharger which supercharges an internal combustion engine of a motor vehicle, the method comprising:setting the turbine geometry as a function of an operating load of the internal combustion engine between an opening position in idling and a closed position in full load operation, a maximum flow cross section on the turbine being set at the opening position, the turbine geometry being set at an operating position predetermined for a prevailing load point; andguiding the turbine geometry into a switching pause position having a reduced turbine flow crossection during a switching pause in load operation of the internal combustion engine for changing gear levels of the motor vehicle so as to promote acceleration of the turbine out of the switching pause position, the switching pause position being independent of the operating load and being intermediate to the opening position and the closed position.