Abstract: An exhaust gas turbocharger may include a shaft mounted in a bearing housing carrying a compressor wheel and a turbine wheel. The shaft may include a sealing bush arranged on the shaft in a rotationally fixed manner. The sealing bush together with a bearing housing cover may at least partially delimit an annular oil centrifuging space arranged coaxially to the sealing bush. The bearing housing cover may include a guiding nib located radially outside the sealing bush partially covering the sealing bush in axial direction. The guiding nib may be configured to guide oil separated in the oil centrifuging space onto the rotating sealing bush. The rotating sealing bush may be configured to direct the oil into the oil centrifuging space in response to centrifugal force creating an oil swirl.

Abstract: A guide blade arrangement for an exhaust gas turbocharger may include guide blades rotatably mounted on a guide blade carrier ring via a respective blade bearing pin. A cover disc may be spaced from the guide blade carrier ring, wherein the guide blades may be arranged between the cover disc and the guide blade carrier ring. The cover disc may include a ceramic material, and the ceramic material may have a higher thermal conductivity in relation to at least one of the guide blade carrier ring, the guide blades, and the respective blade bearing pin.

Abstract: The invention relates to a radial compressor (1) for an exhaust gas turbocharger, in particular of an internal combustion engine, with a compressor housing (2) comprising an axial inlet channel (3) and a radial outlet channel (4), with a compressor wheel (6) for delivering and compressing a gas, wherein the compressor wheel (6) has an axial inlet side (7) facing the inlet channel (3), a radial outlet side (8) facing the outlet channel (4) and an axial wheel surface contour (9), which extends from the inlet side (6) as far as to the outlet side (7), with an adapter element (10) which is substantially designed sleeve-like, which can be axially introduced into a fastening section (11) provided on the compressor housing (2), wherein the adapter element (10) at least in sections has a surface contour (13), which is designed substantially complementarily to the axial wheel surface contour (9), so that by axially moving the adapter element (10) in the fastening section (11) a gap width (w) of a passage gap (14) a

Abstract: An exhaust gas supercharger, having at least one of a variable turbine and a compressor; and a vane mounting ring with at least one guide vane rotatably mounted thereon, wherein the vane mounting ring is connected to a supercharger bearing housing by at least two rivets.

Abstract: The invention relates to a charging device, more preferably an exhaust gas turbocharger for a motor vehicle with a variable turbine/compressor geometry (1) with a plurality of adjustable guide blades, which are each engaged with an adjusting ring (2) via a corresponding lever (3, 3?) and which are preferentially jointly adjustable through said adjusting ring. Through a reinforcement (10) of a plurality of engagement regions (7, 7?) of the adjusting ring (2) which are in contact with an adjusting lever (3, 3?) each, higher force transmission from the adjusting ring (2) to the adjusting levers (3, 3?) is made possible without disadvantageous plastic deformation of the adjusting ring (2) or of the adjusting levers (3, 3?).

Abstract: A charging device for an exhaust gas turbocharger of an internal combustion engine may include at least one variable turbine and compressor geometry and an adjusting device for adjusting the at least one variable turbine and compressor geometry. The adjusting device may include a minimum set limit, which defines a minimum set flow of the at least one variable turbine and compressor geometry for an exhaust gas driving the charging device, and a maximum set limit, which defines a maximum set flow of the at least one variable turbine and compressor geometry for the exhaust gas driving the charging device. The adjusting device may be designed such that at least one minimum set limit of the adjusting device and the maximum set limit of the adjusting dive are variably adjustable and readjustable.

Abstract: A connecting device, comprising: a linearly driving drive member; an actuating member driven in a rotating manner by an internal combustion engine charging device with at least one pivot arm connected to the actuating member in a fixed manner, wherein the actuating member transmits rotational moments about a pivot axis, with a slide element connected to the driving member in a fixed manner, and wherein the driving member transmits linear forces oriented obliquely to the pivot axis, with at least one bearing arrangement, which moveably couples the slide element to the pivot arm such that the slide element is displaceably mounted along a displacement axis running parallel to the pivot axis and rotatably mounted about the displacement axis and about a rotary axis running perpendicularly to the displacement axis.

Abstract: An exhaust gas turbocharger, comprising: a turbine rotor rotatably mounted in a housing, which is associated with at least one guide apparatus forming a radial inlet channel, wherein the guide apparatus includes at least one of a guide vane bearing ring, a plurality of guide vanes radially surrounding the turbine rotor and located in the inlet channel and a guide vane cover ring. The inlet channel is axially delimited by the guide vane bearing ring and the guide vane cover ring wherein the guide vane bearing ring and the guide vane cover ring are moveably mounted at least one of axially and radially relative to each other and to the housing. The guide apparatus is subjected to at least one of an axial and radial preload, wherein a line of axial preload flux runs through the guide apparatus substantially parallel to the rotational axis of the turbine rotor.

Abstract: The invention relates to a unit assembly system for the manufacture of exhaust-gas turbochargers (1) for internal combustion engines, of motor vehicles in particular, wherein the respective exhaust-gas turbocharger (1) has at least one hydrodynamic axial plain bearing (6) for supporting axial forces of a turbine wheel and/or of a compressor wheel (5) on a housing (7), said axial plain bearing having with regard to an axis of rotation (3) of a shaft (2) supporting the turbine wheel and/or the compressor wheel (5) a plurality of wedge-shaped bearing segments (9) distributed in the circumferential direction, which bearing segments work together with at least one level, annular thrust surface (10, 11) that extends transversely to the axis of rotation (3).

Abstract: The guide blades provided for the variable turbine geometry are adjustably arranged within a radial gap through which gases can flow on a moveable carrier ring, which is axially clamped against stops on or in the radial gap with a thrust spring device. According to the invention, the thrust spring device loads the carrier ring on the positions closely adjacent to the stops. The thrust spring device is designed open without sealing function and if applicable combined with a separate seal without thrust function.

Abstract: An exhaust gas turbocharger, including either a variable turbine with rotatably mounted guide vanes or a compressor geometry with rotatably mounted guide vanes. At least one of the guide vanes has a profile center line with at least one of a jump and a kink.

Abstract: The invention relates to a charging device (1), more preferably an exhaust gas turbocharger for a motor vehicle, which turbine geometry comprises guide blades (5) rotatably mounted in a blade bearing ring (4), wherein the blade bearing ring (4) with a side is directly exposed to a hot gas flow (12) while the side of the blade bearing ring (4) facing away from this is only indirectly exposed to the hot gas flow (12). It is substantial to the invention that the blade bearing ring (4) on its side directly exposed to the hot gas flow (12) is produced of a different material than on its side only indirectly exposed to the hot gas flow (12) wherein the two materials with regard to their heat expansion coefficients are selected in such a manner that the blade bearing ring (4) at preferentially all occurring operating temperatures expands evenly without warping.

Abstract: A turbine may include a turbine housing having an inlet opening and an outlet opening, and defining a housing interior space configured to be subjected to a through-flow of exhaust gas from an internal combustion engine. A turbine rotor may be rotatably mounted in the turbine housing about an axis of rotation defining an axial direction. An exhaust gas sensor may be arranged in a measurement space of the turbine housing the exhaust gas sensor configured to determine at least one part of a gas component of the exhaust gas carried in the turbine housing. A feed line may be arranged in the turbine housing having a feed opening and a discharge line arranged in the turbine housing having a discharge opening for feeding and discharging exhaust gas at least one of in and out of the measurement space.

Abstract: A rotary bearing that includes an inner race and an outer race the races are configured between a rotor and a housing body. At least one of the outer race and a mounting surrounding an outer race sleeve is at least one of clamped and fixed in a predetermined position on the housing body by at least one of a holding device and a locking device of a material damping structure.

Abstract: A variable turbine geometry may have a blade bearing ring and guide blades, each rotatably mounted therein via one of a plurality of respective blade bearing pins. An adjusting ring for adjusting the rotary position of the guide blades may be arranged on a side of the blade bearing ring facing away from the guide blades. The cover disc may define through-openings aligned with the blade bearing pins of the guide blades. The blade bearing ring may define at least one channel configured to create a pressure equalization between the control space and the flow space.

Abstract: An approach for producing a tolerance-corrected actuator for a supercharging device may include connecting a connecting element to a regulating rod of a regulating component assembly, bringing a tolerance-corrected actuator into a predefined position in response to a defined signal and adjusting a predetermined overall length of the regulating component assembly by shifting the connecting element relative to the regulating rod.

Abstract: A charging device may include an actuating device for actuating a control device. The actuating device may be coupled to the control device via an actuating rod. The actuating rod may be coupled to the control device via a guide piece rotatably mounted at two points in an outer actuator lever.

Abstract: A bearing housing may have a bearing housing cover formed of metal. A first thread may be arranged on the bearing housing cover and a second thread may be arranged on the bearing housing and designed complementarily to the first thread so that the bearing housing cover may be screwed on and fixed on the bearing housing through a rotational movement.

Abstract: A rotor of a charging device may include at least two parts fastened to each other and configured to enclose a hollow space. The two parts may be fastened to each other via a negative pressure within the hollow space.

Abstract: In an exhaust-gas turbocharger with a shaft axially arranged between a compressor wheel and a turbine wheel and connected in a rotationally fixed manner to the compressor wheel as well as to the turbine wheel, said shaft being rotationally mounted with a turbine-side shaft part in a turbine-side bearing, a connecting region with minimal heat conductivity is axially arranged or configured between the turbine-side shaft part and the turbine wheel in such a manner that the heat flow emanating from the turbine wheel is choked.