Abstract: A turbocharger (1) with variable turbine geometry (VTG) having a guide grate (18) which surrounds a turbine wheel (4) radially at the outside, which has an adjusting ring (5) operatively connected to the guide blades (7) via associated blade levers (20) which are fastened to blade shafts (8) at one of the ends thereof. Each blade lever (20) has a lever head (23) which can be placed in engagement with an associated engagement recess (24), which has a base wall (26), of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7). The stop is a first support point (25) on the base wall (26), wherein, in the minimum throughflow position, the lever head (23) makes contact, via a wall surface (27) facing toward the base wall (26), with said first support point.

Abstract: An exhaust-gas turbocharger (1) having a turbine (2) which is provided with a variable turbine geometry (18) and/or a wastegate; and having an actuator (11) which is connected to the variable turbine geometry (18) and/or the wastegate via a coupling rod (14; 14?; 14?). The coupling rod (14; 14?) is connected at its end regions (21, 22) at one side to the actuator (11) and at the other side to a pin (19) of an adjusting shaft arrangement (23; 26) of the variable turbine geometry (18) and/or of the wastegate. The pin (19) of the adjusting shaft arrangement (23; 26) is in the form of a bayonet pin, and that end region (22) of the coupling rod (14) which interacts with the pin (19) is in the form of a bayonet receptacle (24; 27) which is matched to the bayonet pin (19).

Abstract: A turbocharger (1) with variable turbine geometry (VTG), having a blade bearing ring (6), which has a multiplicity of guide blades (7), and which has a stop (25) at least for adjusting the minimum throughflow through the nozzle cross sections formed by the guide blades (7), wherein the stop (25) has a fixing peg (32) on which a deformable, arched adjusting section (26) is arranged. Since the stop is formed as a deformable component which can be fixed in the guide grate, it is possible after the assembly of the guide grate to rework said stop in a simple manner in order to precisely set the required stop position, since said stop is not integrally connected to the guide grate.

Abstract: An exhaust-gas turbocharger (1) having a compressor (2); a turbine (3) which has a turbine housing (4); a bearing housing (5) which has a compressor-side flange and a turbine-side flange (6); a VTG cartridge (7) which has an adjusting ring (8); and an adjusting shaft (9) which is guided through the turbine-side flange (6) of the bearing housing (5), which has an inner lever (10) which engages into the adjusting ring (8) of the VTG cartridge (7), and which has an outer lever (11, 11?, 11?, 11??) which is connected to an actuating element (12) of an actuator (13), wherein the outer lever (11, 11?, 11?, 11??) has an open rounded fastening receptacle (14) into which an associated shaft portion (15) of the adjusting shaft (9) engages.

Abstract: A method for manufacturing a turbocharger (1) with variable turbine geometry (VTG), having a turbine housing (2) with a feed duct (9) for exhaust gases; a turbine rotor (4) which is rotatably mounted in the turbine housing (2); and a guide grate (18) which surrounds the turbine rotor (4) radially at the outside, which has a blade bearing ring (6), which has a multiplicity of guide blades (7) which have in each case one blade shaft (8) mounted in the blade bearing ring (6), which has an adjusting ring (5) operatively connected to the guide blades (7) via associated blade levers (20) fastened to the blade shafts (8) at one of the ends thereof, each blade lever (20) having at the other end a lever head (23) which can be placed in engagement with an associated engagement recess (24) of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7).

Abstract: A turbocharger turbine which has a wastegate slide sleeve (8), which is provided in a wastegate arrangement (5) and which closes off the wastegate duct, as a shut-off element. The wastegate arrangement (5) comprises a bypass duct (6) which runs in the turbine housing (2); a wastegate duct (7) which runs in the turbine housing (2) to the turbine housing outlet (4) and which is connected via the bypass duct (6) to the turbine housing inlet (3); and a shut-off element (8) which is arranged in the turbine housing (2). The shut-off element (8) is provided to open and close the wastegate duct (7) and can be moved by means of an actuating device (9) into an open position and closed position.

Abstract: A variable turbine geometry (VTG) exhaust-gas turbocharger in which guide vanes are adjusted by means of a unison ring, the structure of which has a simpler and thus more cost-effective design. The number of components is reduced, for example for rollers on pins as are provided in the case of known bearings. A very beneficial relationship between friction radius and rolling radius in the given installation space is obtained.

Abstract: An exhaust-gas turbocharger (1) having a turbine (2), with a turbine wheel (3) surrounded by an intake duct (4), and a VTG cartridge (5), with a washer (6) and a vane bearing ring (7), which delimit the intake duct (4), and with a plurality of vanes (8), arranged in the intake duct (4) and mounted in the vane bearing ring (7) by way of rotatable vane shafts (9), which are connected to vane levers (10), the lever heads (11) of which engage into associated grooves (12) in a unison ring (13), which surrounds the vane bearing ring (7); and having a radial bearing between the unison ring (13) and the vane bearing ring (7). The vane levers (10) for forming the radial bearing are in the form of cam levers, the lever heads (11) of which are supported in the grooves (12).

Abstract: The invention relates to a turbocharger (1) with variable turbine geometry (VTG), having a turbine housing (2) with a supply duct (9) for exhaust gases, having a turbine rotor (4) which is rotatably mounted in the turbine housing (2); and having a guide grate (18), which surrounds the turbine rotor (4) radially at the outside, which has a blade bearing ring (6), which has a multiplicity of guide blades (7) which have in each case one blade shaft (8) mounted in the blade bearing ring (6), which has an adjusting ring (5) which is operatively connected to the guide blades (7) by means of associated blade levers (20) fastened to the blade shafts (8) at one of their ends, with each blade lever (20) having, at the other end, a lever head (23) which can be placed in engagement with an associated engagement recess (24) of the adjusting ring (5), and which has a bearing arrangement (28) for fixing the adjusting ring (5) to the blade bearing ring (6), wherein the bearing arrangement (28) is formed as a plain bearing ar

Abstract: The invention relates to a turbocharger (1) with variable turbine geometry (VTG), having a turbine housing (2) with a supply duct (9) for exhaust gases, having a turbine rotor (4) which is rotatably mounted in the turbine housing (2); and having a guide grate (18), which surrounds the turbine rotor (4) radially at the outside, which has a blade bearing ring (6), which has a multiplicity of guide blades (7) which have in each case one blade shaft mounted in the blade bearing ring (6), which has an adjusting ring (5) which is operatively connected to the guide blades (7) by means of associated blade levers (20) fastened to the blade shafts (8) at one of their ends, with each blade lever (20) having, at the other end, a lever head (23) which can be placed in engagement with an associated engagement recess (24) of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7), wherein the stop (25) is formed as a part

Abstract: An exhaust-gas turbocharger (1) having a turbine (2), which has a turbine wheel (3) surrounded by an intake duct (4), and having a VTG cartridge (5), which has a disk (6) and a vane bearing ring (7), which delimit the intake duct (4), and which has a plurality of vanes (8), which are arranged in the intake duct (4) and are mounted in the vane bearing ring (7) by way of rotatable vane shafts (9), which are connected to vane levers (10), the lever heads (11) of which engage into associated grooves (12) in a unison ring (13), which surrounds the vane bearing ring (7) on the outside, and which has an adjusting lever (14) which is operatively connected to an adjusting shaft (15) in order to transmit an adjusting torque to the unison ring (13). The adjusting lever (14) is of planar configuration.

Abstract: A turbocharger (15) with variable turbine geometry having a blade bearing ring arrangement (1) which has a blade bearing ring (2) and a disk (3) which can be fixed to the blade bearing ring (2) to form a flow duct (4); having a spacer device (5) which is arranged between the blade bearing ring (2) and the disk (3) to set a defined width (B) of the flow duct (4), wherein the spacer device (5) is designed as a guide ring (6) which has spacer profiles (7) whose height (H) corresponds to the width (B) of the flow duct (4).

Abstract: A turbocharger (1) with variable turbine geometry (VTG) having a guide grate (18) which surrounds a turbine wheel (4) radially at the outside, which has an adjusting ring (5) operatively connected to the guide blades (7) via associated blade levers (20) which are fastened to blade shafts (8) at one of the ends thereof. Each blade lever (20) has a lever head (23) which can be placed in engagement with an associated engagement recess (24), which has a base wall (26), of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7). The stop is a first support point (25) on the base wall (26), wherein, in the minimum throughflow position, the lever head (23) makes contact, via a wall surface (27) facing toward the base wall (26), with said first support point.

Abstract: An exhaust-gas turbocharger (1) having a turbine (2) which is provided with a variable turbine geometry (18) and/or a wastegate; and having an actuator (11) which is connected to the variable turbine geometry (18) and/or the wastegate via a coupling rod (14; 14?; 14?). The coupling rod (14; 14?) is connected at its end regions (21, 22) at one side to the actuator (11) and at the other side to a pin (19) of an adjusting shaft arrangement (23; 26) of the variable turbine geometry (18) and/or of the wastegate. The pin (19) of the adjusting shaft arrangement (23; 26) is in the form of a bayonet pin, and that end region (22) of the coupling rod (14) which interacts with the pin (19) is in the form of a bayonet receptacle (24; 27) which is matched to the bayonet pin (19).

Abstract: An exhaust-gas turbocharger (1) having a compressor (2); a turbine (3) which has a turbine housing (4); a bearing housing (5) which has a compressor-side flange and a turbine-side flange (6); a VTG cartridge (7) which has an adjusting ring (8); and an adjusting shaft (9) which is guided through the turbine-side flange (6) of the bearing housing (5), which has an inner lever (10) which engages into the adjusting ring (8) of the VTG cartridge (7), and which has an outer lever (11, 11?, 11?, 11??) which is connected to an actuating element (12) of an actuator (13), wherein the outer lever (11, 11?, 11?, 11??) has an open rounded fastening receptacle (14) into which an associated shaft portion (15) of the adjusting shaft (9) engages.

Abstract: An exhaust-gas turbocharger (1) having a compressor (2) which has a compressor housing (3), a turbine (4) which has a turbine housing (5), a bearing housing (6) between the compressor housing (3) and the turbine housing (5), and a control capsule (7) which has a housing (8) on which is provided a retaining device (9) which interacts with a fastening device (10) on the turbocharger in order to fix the control capsule (6) to the compressor housing (3), the turbine housing (5) or the bearing housing (6). The retaining device (9) is arranged on an outer circumferential region (11) of the control capsule (7), and the fastening device (10) fixes the retaining device (9) in a non-positively locking manner.

Abstract: A method for manufacturing a turbocharger (1) with variable turbine geometry (VTG), having a turbine housing (2) with a feed duct (9) for exhaust gases; a turbine rotor (4) which is rotatably mounted in the turbine housing (2); and a guide grate (18) which surrounds the turbine rotor (4) radially at the outside, which has a blade bearing ring (6), which has a multiplicity of guide blades (7) which have in each case one blade shaft (8) mounted in the blade bearing ring (6), which has an adjusting ring (5) operatively connected to the guide blades (7) via associated blade levers (20) fastened to the blade shafts (8) at one of the ends thereof, each blade lever (20) having at the other end a lever head (23) which can be placed in engagement with an associated engagement recess (24) of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7).

Abstract: A VTG cartridge (1, 2) of an exhaust-gas turbocharger (2), with a blade bearing ring (3), and a disk (4), which is spaced apart from the blade bearing ring (3) and together with the latter delimits a hot-gas passage (5). The disk (4) is constructed from at least two layers (6, 7, 6?, 7?), which bear loosely against one another in the assembled state of the disk (4).

Abstract: A turbocharger (1) with variable turbine geometry (VTG), having a blade bearing ring (6), which has a multiplicity of guide blades (7), and which has a stop (25) at least for adjusting the minimum throughflow through the nozzle cross sections formed by the guide blades (7), wherein the stop (25) has a fixing peg (32) on which a deformable, arched adjusting section (26) is arranged. Since the stop is formed as a deformable component which can be fixed in the guide grate, it is possible after the assembly of the guide grate to rework said stop in a simple manner in order to precisely set the required stop position, since said stop is not integrally connected to the guide grate.

Abstract: The invention relates to an exhaust-gas turbocharger (1) having a bearing housing (9); having a turbine housing (2) which is fastened to the bearing housing (9); and having a heat shield (12) which has a heat insulating region (13) arranged between the turbine housing (2) and the bearing housing (9), wherein the heat insulating region (13) is provided, in its outer circumferential region (14), with a seal (15).