Abstract: A turbocharger, with a turbine for expanding a first medium that includes a turbine rotor and a turbine housing, a compressor for compressing a second medium that includes a compressor rotor coupled to the turbine rotor via a shaft and a compressor housing, a bearing housing in which the shaft is mounted, a bearing housing cap delimiting the bearing housing facing the turbine, and a turbine cover delimiting the turbine on a side facing the bearing housing and has a section projecting into a recess of the bearing housing cap. On a section of the bearing housing cap delimiting the recess of the bearing housing cap on the outside, which on the outside follows the section of the turbine cover projecting into the recess of the bearing housing cap, an oil trapping lip is formed on a side of the bearing housing cap facing the turbine rotor.

Abstract: Guide vane adjusting device for a flow machine to rotate guide vanes, with a driveshaft, and a control ring that transmits rotation of the driveshaft to rotate the guide vanes. The driveshaft is directly coupled with one of the guide vanes to be directly rotatable by the driveshaft without the intermediary of the control ring. The directly driven guide vane is articulately coupled with the control ring via a transmission lever. The other guide vanes are indirectly rotatable with the intermediary of the control ring. The control ring is displaceable in circumferential and axial direction such that forces at coupling points between the control ring and the transmission levers coupled with the control ring run perpendicular to the transmission levers.

Abstract: A turbocharger, with a turbine and compressor housing connected to a bearing housing. An inflow housing of the turbine and bearing housing are connected via a fastening device mounted to a flange of the inflow housing with a first section and partially overlaps a flange of the bearing housing with a second section. Between the inflow housing and the bearing housing, flanges of a nozzle ring and of a sealing cover are clamped. Adjoining surfaces contacting one another in a region of a first, second, and/or a third contact clamping region are hardened.

Abstract: A geared turbo machine having a transmission, a drive assembly and multiple output assemblies. The transmission has a central bull gear and multiple pinions engaging into the bull gear. A first output assembly a two-stage main compressor in which a process gas is compressed using the mechanical drive power provided by the drive assembly a respective intermediate cooler is connected between two respective stages of the main compressor to cool the second process gas. A respective intermediate cooler is arranged between the last stage of the main compressor and a first output assembly and between two respective output assembly and an end cooler arranged downstream of the last. Each intermediate cooler and the end cooler has a respective housing with a supply connector and a discharge connector and a heat exchanger At least one intermediate cooler and/or the end cooler has a heat exchanger with a plate-type construction.

Abstract: A burst protection device for a gas radial turbo engine configured annularly around a central axis in the circumferential direction and like a box in a cross sectional direction, to grip a turbine housing in the area of the turbine wheel. The burst protection device includes at least one axial wall section extending in an axial direction and at least one radial wall section extending in the radial direction are indirectly interconnected via an intermediate wall section lying in between. A partial area of the intermediate wall section in the axial direction runs inclined and/or curved relative to the orientation of the axial wall section and radial wall section.

Abstract: A method for operating an engine, such as a dual-fuel engine, that includes a plurality of cylinders in which an air/gas mixture of air and gaseous fuel is ignited during a power stroke using an ignition fluid that is injected into each cylinder during a power stroke of the cylinder. The air/gas mixture is injected into each cylinder, and the injection fluid is injected into the each cylinder into which the air/gas mixture has been injected. The ignition fluid is injected into the each cylinder in at least two consecutive injections during the power stroke of the each cylinder.

Abstract: A compressor having a compressor housing, a compressor rotor mounted in the compressor housing, which includes a shaft and moving blades forming multiple compressor stages. Between two compressor stages a magnetic bearing and a safety bearing are arranged, which, as split bearings, are each mounted on the shaft designed as one-piece shaft.

Abstract: A turbocharger, includes a turbine for expanding a first medium, the turbine has a turbine housing and a turbine rotor, a compressor for compressing a second medium, having a compressor housing and a compressor rotor that is coupled to the turbine rotor via a shaft. The turbine housing and the compressor housing are each connected to a bearing housing arranged between them, in which the shaft is mounted. In a connecting region between an inflow housing of the turbine housing and the bearing housing a sealing cover is arranged. On a radially inner section of the sealing cover a projection extending in the axial direction is formed, which engages into a groove introduced into the bearing housing forming a radially inner fit and a radially outer fit.

Abstract: A turbocharger with a turbine for expanding a first medium and a compressor for compressing a second medium utilizing energy extracted in the turbine during the expansion of the first medium. The turbine comprises a turbine housing and a turbine rotor. The turbine housing is connected to a bearing housing. An inflow housing of the turbine housing is formed in a double-walled manner, namely of an inner flow-conducting core and an outer force-conducting shell.

Abstract: A turbocharger (1), having a turbine (2) for expanding a first medium, having a compressor (3) for compressing a second medium utilizing energy extracted in the turbine (2) during the expansion of the first medium, wherein the turbine (2) has a turbine housing (4) and a turbine rotor (5). The compressor (3) has a compressor housing (6) and a compressor rotor (7) that is coupled to the turbine rotor (5) via a shaft (8). The turbine housing (4) and the compressor housing (6) are each connected to a bearing housing (9) arranged there between, in which the shaft (8) is mounted. The turbine housing (4) has an inflow housing (11), a nozzle ring (15) with guide blades (16) and an insert piece (13). The nozzle ring (15) is centered and radially guided by a projection (17) on the bearing housing (9).

Abstract: A gas turbine with a compressor, in which air can be compressed; with at least one burner having a combustion chamber, which can be supplied with the compressed air and in which a fuel can be combusted in the presence of the compressed air subject to heating the air; a turbine, in which the heated air can be expanded; a diffuser arranged, seen in flow direction of the expanded air, downstream of the turbine; a plurality of temperature sensors, dependent on the measurement values of which a thermodynamic mean temperature or mixed-out turbine outlet temperature of the expanded air can be determined. The temperature sensors are arranged in the region of a diffuser cover, which at an outlet end of the diffuser closes off a hollow space of the diffuser positioned radially inside of a flow duct of the diffuser.

Abstract: Dry gas sealing system for a turbomachine, in particular a turbocompressor, having at least one dry gas seal for sealing a part located on the rotor side of the turbomachine from a part located on the stator side of the turbomachine, and a purifying device for purifying process gas that is extracted from the turbomachine and can be fed to the or each dry gas seal as purified sealing gas following the purification process; the purifying device is designed as a centrifugal device that is integrated into the part located on the rotor side of the turbomachine.

Abstract: A turbocharger, with a turbine that includes a turbine housing, turbine inflow housing, a rotor, and a compressor, which has a compressor housing and a rotor coupled to the turbine rotor via a shaft. A bearing housing is arranged between and coupled to the turbine and the compressor housings. The turbine inflow housing has a radially inner, outer and middle walls. The inner wall delimits an exhaust gas flow duct, and a cooling channel between the outer and middle walls. The bearing housing, extends, seen in the axial direction as far as into the region of the inner wall of the turbine inflow housing. A cooling water channel in the bearing housing surrounds the inner wall of the turbine inflow housing in the axial region and the bearing housing extends as far as into the region of the radially inner wall of the turbine inflow housing, radially on the outside.

Abstract: A method for operating a cooling system of a ship, having a sea water part system with a sea water pump (14a, 14b) and at least one first cooling water circuit. The first cooling water circuit includes a bypass in a heat exchanger coupling the sea water part system and the first cooling water circuit and a control valve. A position of the control valve determines a cooling water proportion of the first cooling water circuit that is conducted via the heat exchanger and a cooling water proportion of the first cooling water circuit that is conducted via the bypass. The position of the control valve is controlled such that an advance cooling water temperature corresponds to a set point value. The rotational speed of the sea water pump is controlled based on the position of the control valve.

Abstract: A method for operating an internal combustion engine with multiple cylinders. Each cylinder of the internal combustion engine includes at least one fuel injector, and each fuel injector is activated for opening and closing via a solenoid valve of the respective fuel injector. Structure-borne sound waves emitted by the fuel injectors and/or accelerations caused by the fuel injectors are detected by measurement. The structure-borne sound waves detected by measurement and/or the accelerations detected by measurement are evaluated, and based on the evaluation, characteristics of the fuel injectors are automatically determined.

Abstract: A turbocharger, including a turbine with a turbine rotor, a compressor with a compressor rotor coupled to the turbine rotor via a shaft. At least one bearing, via which the shaft is mounted in the bearing housing, wherein the respective bearing comprises a bearing bush mounted in the bearing housing in a rotationally fixed manner, wherein between the bearing bush and the bearing housing a radially outer lubricating gap and between the bearing bush and the shaft a radially inner lubricating gap is formed. The radially inner lubricating gap is suppliable with lubricating oil via at least one line introduced into the bearing bush, wherein the or each line introduced into the bearing bush, which serves for the oil supply of the radially inner lubricating gap, leads into a lubricating oil pocket of the bearing bush each, which based on the axial length of the bearing bush is placed off-center.

Abstract: A spark plug with a center electrode having a first body and a second body of a precious metal, which is connected to the first body, an earth electrode arranged in the radial direction roundabout the center electrode, and an annular ignition gap formed between the center electrode and the earth electrode. The second body is formed as an annular element with a central recess. The first body has a main body and a projection, which extends into the recess of the second body. The second body is positively held on the first body via an undercut formed in the region of the projection of the first body between the first body and the second body.

Abstract: A turbocharger, with a turbine a turbine housing and a turbine rotor, with a compressor with a compressor housing and a compressor rotor that is coupled to the turbine rotor via a shaft, with a bearing housing arranged between the turbine housing and the compressor housing, wherein both the turbine housing and also the compressor housing are connected to the bearing housing, with at least one bearing, via which the shaft is mounted in the bearing housing, wherein the respective bearing comprises a bearing bush arranged in the bearing housing, wherein between the bearing bush and the bearing housing a radially outer lubricating gap and between the bearing bush and the shaft a radially inner lubricating gap are formed, wherein the radially outer lubricating gap and the radially inner lubricating gap are suppliable with lubricating oil emanating from an oil supply main line independently of one another.

Abstract: A turbocharger has a turbine for expanding a first medium and a compressor for compressing a second medium utilizing energy extracted in the turbine. The turbine includes a housing with a turbine inflow housing and a turbine rotor. The compressor has a compressor housing and a compressor rotor coupled to the turbine rotor via a shaft. The turbine inflow housing is constructed in a spiral-like, one-piece and double-walled manner such that between an outer wall of the turbine inflow housing and an inner wall of the turbine inflow housing a water duct for conducting cooling water is formed. The inner wall delimiting the water duct on a side of the inner wall facing away from the water duct is directly followed by a guide duct of the first medium to be expanded.

Abstract: A radial compressor (10), with a compressor rotor having moving blades and with a compressor housing (11) accommodating an insert piece (12) and a diffuser (13), in which the insert piece (12) delimits a flow duct leading to the moving blades of the rotor and the diffuser (13) a flow duct leading away from the moving blades of the rotor at least in sections, and in which the diffuser (13) is designed as bladeless diffuser and as an integral part of the insert piece (12).