The exhaust gas turbocharger in an internal combustion engine

The exhaust gas turbocharger in an internal combustion engine, with a compressor (20) in the intake tract and an exhaust gas turbine (1) in the exhaust line, wherein the exhaust gas turbine (1) in a turbine housing (2) has a spiral channel (4) in a radial flow inlet cross-section (6) opens through which the turbine wheel (3) of the exhaust gas turbine (1) to be supplied to the exhaust gas, wherein in the radial flow inlet cross-section (6) disposed a radial guide grid (10) and the effective flow inlet cross-section (6) is variably adjustable, characterized in that the turbine housing (2 ) at least a second spiral channel (5) is provided, which (in a radial flow inlet cross-section 7) opens out above the (the turbine 3) of the exhaust gas turbine (1) exhaust gas to be supplied, wherein (in the radial flow inlet cross-section 7), the radial guide grid (10) arranged and the effective inlet flow cross section (7) can be variably adjusted, and that the radial guide grid (10) between two flow inlet cross-section (6, 7) axially delimiting walls (15, 16) is held, from which a wall (16) is made axially movable and a receiving opening (18) into which the guide grid ...