Patent ID: 6224333
Filing Date: 2001-05-01
Classification: F01D,F02B,Y10T

Abstract:
An exhaust gas turbocharger for an internal-combustion engine, comprising a housing, a turbine wheel operatively arranged in the housing so as to have exhaust gas fed thereto by way of a flow duct constructed in the housing, and a matrix having a variable baffle movably accommodated therein for adjusting a flow cross-section of the flow duct, wherein the baffle and the matrix form a ring-shaped exchangeable braking module to provide retrofitability or exchange for influencing output characteristics of the turbocharger, with the matrix being detachably held on the housing and surrounding an outer contour of the turbine wheel with a defined gap between the matrix and the outer contour, and narrow passages for the baffle are provided in the matrix so a to have opposed faces adjacent each side of the baffle.