Abstract: A bearing arrangement for supporting a shaft in a turbocharger housing. The bearing arrangement includes a sleeve element and the sleeve element is formed with a flange section at each end for fastening the bearing arrangement in the turbocharger housing.

Abstract: A turbocharger housing is split lengthwise and has two housing halves, which in the assembled state sectionally form a bearing housing, a turbine housing, and a compressor housing. The turbocharger housing contains at least one fluid chamber, which is arranged in the bearing housing and/or in the turbine housing and/or in the compressor housing of at least one of the two housing halves. The fluid chamber contains a plurality of raised webs, which are disposed to influence the fluid flow.

Abstract: The invention relates to a turbocharger (1) having 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 guide grate (18) has a blade mounting ring (6) which has a plurality of guide blades (7) which in each case have a blade shaft (8) mounted in the blade mounting ring (6), which guide grate (18) has an adjusting ring (5) which is operatively connected to the guide blades (7) by means of associated blade levers (20) which are fastened to the blade shafts (8) at one of their ends, wherein each blade lever (20) has, 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 guide grate (18) has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections which are fo

Abstract: A turbocharger has a housing with at least one section that is divided in the longitudinal direction into at least two housing halves.

Abstract: A turbocharger has a turbocharger housing with at least one section that is divided in the longitudinal direction into at least two housing halves. A receiving device for receiving a rotor assembly of the turbocharger can be fastened to at least one half of the housing.

Abstract: A turbocharger housing is divided along the longitudinal direction into at least two housing halves. The turbocharger housing includes a sealing device between the two housing halves for sealingly connecting the two housing halves.

Abstract: A turbocharger has a turbocharger housing. At least one section of the turbocharger housing is divided in the longitudinal direction into at least two housing halves. A shaft is supported in the turbocharger housing and at least one axial bearing arrangement is provided for supporting the shaft in the axial direction.

Abstract: A waste gate arrangement for a turbine, particularly for an exhaust gas turbocharger, has a waste gate valve for bypassing exhaust gas past the turbine. A waste gate shaft has first and second bearing locations rotatably supporting the shaft. A lever arm is rotationally fixedly mounted on the waste gate shaft and configured for placing the shaft in rotation when a lever arm force is applied to the lever arm. A waste gate flap is fixed on the shaft and controls the amount of exhaust gas flowing through the valve, and disposed relative to the first and the second bearing locations such that a lever arm normal force resulting from the lever arm force when opening and/or closing the waste gate valve and an exhaust gas normal force acting on the waste gate flap have opposite force action directions at one or both bearing locations.

Abstract: A turbine for an exhaust turbocharger, in particular for a motor vehicle, has a turbine flap which controls an exhaust volume flowing through the turbine. A wastegate valve directs exhaust past the turbine and a wastegate flap controls an exhaust volume flowing through the wastegate valve. We also provide for an exhaust turbocharger, a motor vehicle having such an exhaust turbocharger, and for a method for operating such an exhaust turbocharger.

Abstract: A turbocharger has a turbocharger housing. Wherein at least one section of the turbocharger housing is configured divided along a longitudinal axis into at least two housing halves. A bearing block device is provided in the turbocharger housing and receives a shaft and impellers of the turbocharger. The shaft with the impellers can be preassembled in the bearing block device and then inserted into the turbocharger housing.

Abstract: An axial bearing for a turbocharger contains a through hole for a shaft and at least one at least partially or completely circulating segment section on a first and second side of the axial bearing. At least one bearing surface is disposed in the segment section. At least one oil pocket is on the first side of the axial bearing. The oil pocket is connected to at least one recess opening outwards, the recess being configured such that it connects the oil pocket for oil supply purposes to the respective segment section and the bearing surface(s) thereof on the first and second side of the axial bearing.

Abstract: A guide vane of a turbo-compressor has variable turbine geometry, in particular for a motor vehicle. The guide vane has a profile with a lower side, an upper side and a front edge. The guide vane is characterized by a nose which extends along the front edge of the vane, from the front edge of the vane to the upper side of the vane and forms a low pressure on the upper side of the vane when waste gas impacts the guide vane. A guide vane configuration, a turbo-compressor, a motor vehicle and a method for operating this type of turbo-compressor are further disclosed.

Abstract: A turbocharger (1) with a variable turbine geometry (VTG), includes a guide baffle (18), which has a blade bearing ring (6) with a plurality of guide blades (7), each of the latter having a blade shaft (8) that is mounted on the blade bearing ring (6). The guide baffle also has an adjusting ring (5), which interacts with the guide blades (7) by means of associated blade levers (20), which are fixed to the blade shafts (8) by one of their ends (21). The other end (22) of each blade lever (20) is provided with a lever head (23), which can be engaged in an associated engagement recess (24) of the adjusting ring (5). Each blade lever (20) is asymmetrical and has a bearing lug (25) in the form of an arched segment on only one side of the central section (26).

Abstract: A turbocharger, in particular a turbocharger for an internal combustion engine of a motor vehicle, has a turbine that includes a turbine casing, and a closed-loop control device for regulating an exhaust gas stream flowing through the turbine. The closed-loop control device includes an adjusting element for adjusting an exhaust gas stream, a control lever that is arranged on the turbine casing and is used for actuating the adjusting element, and a control rod which is connected to the control lever via an adjustment piece that has a guide for continuously moving the control rod within the adjustment piece. The control rod can be fixed within the guide by forming an integral joint therewith. There is also provided a method for mounting a closed-loop controller for such a turbocharger.

Abstract: The invention relates to an adjusting shaft arrangement (1) of a variable turbine geometry turbocharger or waste gate turbocharger having an adjusting shaft (2) which has a fastening section (3); having a lever (4) which is connected to the adjusting shaft (2) via the fastening section (3); having a sleeve (5) which is arranged on a base body (6) of the adjusting shaft (2); and having a seal (7) which is arranged in the region of the base body (6) between the sleeve (5) and the adjusting shaft (2); the main body (6) of the adjusting shaft (2) having a stepped outer contour; and the sleeve (5) having an inner contour with a stepped inner contour which complements the design of the base body (6).

Abstract: A turbocharger with a variable turbine geometry device has one or two blade bearing rings. At least one or more fastening elements are provided for fastening the one or two blade bearing rings. The respective fastening element has at least one section formed with a knurl and/or at least one section formed with at least one or several notches.

Abstract: A turbocharger, which is particularly suitable for a motor vehicle, includes: a rotor shaft with a turbine impeller and a compressor impeller disposed thereon. The rotor shaft has a roller bearing assembly for mounting in the housing of the turbocharger.

Abstract: The invention relates to a turbocharger (1) with variable turbine geometry (VTG), comprising a multiplicity of guide blades (7). Each guide blade (7) has a blade lever (19, 19?), wherein the center plane (Em2) of an intermediate region (24; 24?) of the blade lever (19, 19?) is arranged so as to be offset axially along a blade shaft longitudinal axis (L) at a distance (a) from the center plane (Em1) of a first end region (20; 20?) of the blade lever (19, 19?) and of a second end region (23; 23?) of the blade lever (19, 19?), and wherein a recess (26; 26?) is arranged adjacent to the intermediate region (24; 24?) between the first end region (20; 20?) and the second end region (23; 23?).

Abstract: A securing element includes a head section and a shank. The cross-section of the shank changes in the axial direction in such a way that, by taking into account a qualitative and/or quantitative predetermined bending torque profile in the shank, the cross-section has a substantially uniform bending stress profile in the shank in relation to a securing element with a constant shank cross-section. An exhaust gas turbocharger having variable turbine geometry includes a VTG-guide vane configuration having at least one such securing element and being secured to a housing component of the exhaust gas turbocharger.

Abstract: A vane grille arrangement of an exhaust gas turbocharger with variable turbine geometry, contains at least one carrier ring formed from at least one sheet metal part and used to mount VTG guide vanes, the VTG guide vanes being rotatably mounted in recesses of the carrier ring. Ideally, an exhaust gas turbocharger has such a variable turbine geometry.