The invention relates to a wastegate valve actuator system (1) in an exhaust system of an internal combustion engine, having a wastegate valve (2), which comprises a valve flap (4) which may be pivoted around a pivot axis (5), having an actuator (6) for actuating the valve flap (4) in the wastegate valve (2), which actuator comprises a drive axis (8), having a coupling element (9) for transferring a movement of the actuator (6) into a movement of the valve flap (4) in the wastegate valve (2), wherein the drive axis (8) of the actuator (6) is located coaxially with the pivot axis (5) of the valve flap (4) in the wastegate valve (2), wherein the coupling element (9) is designed as a rotational axis, which is located coaxially with the pivot axis (5) of the valve flap (4) and the drive axis (8) of the actuator (6), and wherein a spring bellows element (10) is assigned to the coupling element (9).
The invention relates to a control system (15) for cooling a power plant (1). The power plant has at least one internal combustion engine (2) which combusts fuel and which drives at least one power generator (3) in order to generate electric energy. Each internal combustion engine (2) can be cooled by means of a cooling system (4), and the cooling system (4) of each internal combustion engine (1) has at least one cooling circuit (5). Each cooling circuit (5) has an inlet (6) via which cooled coolant can be supplied to the respective internal combustion engine (2), an outlet (7) via which the heated coolant can be discharged from the respective internal combustion engine (2), and at least one heat exchanger unit (8) between the inlet (6) and the outlet (7). The heat exchanger unit (8) or each heat exchanger unit comprises a fan (9) that suctions ambient air and conducts the air via heat exchanger unit (8) tube sections (11) through which the coolant flows in order to cool the coolant. The control system automatically adapts the rotational speed of the fan (9) of the heat exchanger unit (8) or each heat exchanger unit of the cooling system (4) of the respective internal combustion engine (2) on the basis of the temperature of the ambient air.
F01P 7/04 - Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
3.
REFRIGERATION SYSTEM BYPASS VALVE, AND REFRIGERATION SYSTEM
Refrigeration system bypass valve (19) which, in defined operating conditions, allows gaseous refrigerant compressed by a compressor of a refrigeration system to bypass the compressor and thus be recirculated from a high-pressure side of the compressor in the direction of a low-pressure side of the compressor; at least one injection nozzle (20) is integrated into the refrigeration system bypass valve (19), allowing liquid refrigerant to be injected into the gaseous refrigerant, and said liquid refrigerant evaporates downstream of the or each injection nozzle (20) and cools the refrigerant.
F25B 1/08 - Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure using vapour under pressure
F02M 63/00 - Other fuel-injection apparatus having pertinent characteristics not provided for in groups or Details, component parts or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups or
F16K 11/02 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit
Method for operating a ship propulsion system (11), wherein the ship propulsion system (11) has a ship's engine (12), optionally a transmission (16), a propeller shaft (14) and an adjustable propeller (15), wherein the transmission (16) is connected between the ship's engine (12) and the adjustable propeller (15) coupled to the propeller shaft (14), in such a way that the transmission (16) converts a rotational speed of an engine shaft (13) of the ship’s engine (12) into a rotational speed of the propeller shaft (14), and wherein the adjustable propeller (15) can be adjusted in order to adjust a pitch angle of the adjustable propeller (15), wherein a setpoint rotational speed is determined for the propeller shaft (14) and a setpoint pitch angle for the adjustable propeller (15) on the control side and automatically on the basis of an adjustable propeller characteristic diagram and as a function of an operator-side drive request to the ship propulsion system, and wherein a setpoint operating point, specifically a setpoint rotational speed and a setpoint torque, are determined for the ship's engine (12) on the control and automatically on the basis of a ship's engine characteristic diagram side as a function of the operator-side drive request and as a function of the setpoint rotational speed for the propeller shaft (14). An actual operating point of the ship's engine (12) is determined as a function of a measured actual rotational speed and a measured actual torque, wherein it is checked on the control side as a function of the actual operating point of the ship's engine (12) and automatically on the basis of the adjustable propeller characteristic diagram and the ship's engine characteristic diagram whether, when the drive power is constant, the set point rotational speed for the propeller shaft (14) and the setpoint pitch angle for the adjustable propeller (15) can be varied while reducing fuel consumption of the ship's engine (12), wherein, when this is possible, the setpoint rotational speed for the propeller shaft (14), the setpoint pitch angle for the adjustable propeller (15) and the setpoint operating point of the ship's engine (12) are adapted.
Dry gas sealing system (1) for a turbomachine, in particular a turbocompressor, comprising at least one dry gas seal (4) for sealing a part (2) located on the rotor side of the turbomachine from a part (3) located on the stator side of the turbomachine, and a purifying device (13) for purifying process gas (11) that is extracted from the turbomachine and can be fed to the or each dry gas seal (4) as purified sealing gas (10) following the purification process; the purifying device is designed as a centrifugal device that is integrated into the part (2) located on the rotor side of the turbomachine.
F01D 11/04 - Preventing or minimising internal leakage of working fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
F01D 25/32 - Collecting of condensation waterDrainage
6.
DRY GAS SEAL AND TURBOMACHINE HAVING A DRY GAS SEAL
A dry gas seal (10) of a turbomachine, more particularly of a turbocompressor, for sealing a rotor-side component (11) of the turbomachine with respect to a stator-side component (12) of the turbomachine, comprising a sealing device (13) and a support device (14) for a stator-side sealing element (16) of the sealing device (13), wherein the supporting device (14) can be elastically deformed.
F01D 11/04 - Preventing or minimising internal leakage of working fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
Functional component of an engine or working machine, in particular a blade for a gas turbine, wherein the functional component in the engine or working machine can be installed such that, when in a defined installation position, it comes to bear against at least one mating surface of one or more adjacent components, characterized in that, on that face of the functional component lying toward the mating surface of the at least one adjacent component, there is formed a contour that is specific only for this functional component and/or a contour that is specific only for this installation position, which contour cooperates in the manner of a key-in-lock principle, with a mating contour formed on the mating surface of the at least one adjacent component.
The invention relates to a fluid energy machine component (10), in particular a turbomachine component or piston machine component, composed of a metal material and having a component surface (11). In a first region (12) below the component surface (11), which first region has a defined distance from the component surface (11) and is covered by a second region (13) extending between the first region (12) and the component surface (11), said fluid energy machine component has segments (14, 15) of different component quality that form a coding that can be read from the outside.
The invention relates to a method for producing a rotor of a flow engine, namely an integrally bladed rotor with an integral outer shroud, comprising at least the following steps: a rotor blank comprising the integral rotor blades and the integral outer shroud is first produced by means of a generative production method; the rotor blank is then subjected to a separating surface treatment at flow-guiding sections and is subjected, separately therefrom, to a machining surface treatment at non-flow-guiding sections.
The invention relates to a compressor (10) for compressing a working medium, comprising at least one rotor-side rotor-blade ring (12, 13) and at least one stator-side guide-vane ring (15, 16), wherein the or each rotor-blade ring has a plurality of rotor blades (12a, 13a) and the or each guide-vane ring has a plurality of guide vanes (15a, 16a). At least one guide vane has a washing system (18), by means of which washing agent can be squirted or sprayed onto assemblies positioned adjacent to the particular guide-vane ring (15, 16), in particular to a rotor-blade ring (12, 13) positioned adjacent to the particular guide-vane ring (15, 16).
The invention relates to a method for cleaning a compressor (10), having at least one compressor stage (11, 12, 13) and serving to compress an operating medium (14), wherein, in at least one compressor stage (11, 12, 13) of the compressor (10) during the compression operation, dry ice, or solid CO2, is used for the operating medium for abrasive cleaning of assemblies of the respective compressor stage (11, 12, 13) to be cleaned.
B24C 1/00 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods
B24C 1/08 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for polishing surfaces, e.g. by making use of liquid-borne abrasives
B24C 3/32 - Abrasive blasting machines or devicesPlants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
B24C 5/00 - Devices or accessories for generating abrasive blasts
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
F01D 25/00 - Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
F25B 1/10 - Compression machines, plants or systems with non-reversible cycle with multi-stage compression
F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
12.
SYSTEM FOR THE INJECTION OF UREA INTO AN EXHAUST SYSTEM
The invention relates to a system, comprising at least one internal combustion engine (10; 11) and/or gas turbine which is operated with charged combustion air, and a device for the post-treatment of nitrogen oxides contained in the exhaust gas by means of a reactant (18) injected into the exhaust gas upstream of an exhaust gas reactor (21) while applying compressed air by means of a nozzle (17), the system comprising means for guiding charged combustion air to the nozzle (17).
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
F02B 37/16 - Control of the pumps by bypassing charging air
The invention relates to a guide vane adjustment device for a turbomachine, for rotation about a radial guide vane axis of a plurality of guide vanes that are grouped to a vane ring. Said guide vane adjustment device comprises an input shaft (26) and a control ring (27) that transmits rotation of the input shaft (26) onto the guide vanes (21) in order to rotate said guide vanes. The input shaft (26) is directly coupled to one of the guide vanes (21) such that said guide vane can be directly rotated without interposition of the control ring (27), starting from the input shaft (26). The input shaft (26) or the guide vane (21) that can be directly driven by the input shaft (26) is coupled to the control ring (27) via a transmission lever (28) in an articulated manner. The input shaft (26) is indirectly coupled to the other guide vanes (21) such that the other guide vanes of the vane ring can be indirectly rotated with the interposition of the control ring (27), starting from the input shaft (26). The guide vanes (21) that can be indirectly driven by the input shat (26) are coupled to the control ring (27) via additional transmission levers (29) in an articulated manner, the control ring (27) being movable in the circumferential direction and in the axial direction.
The invention relates to a guide vane adjusting device for a turbomachine, namely for rotating multiple guide vanes grouped into a guide vane assembly about guide vane rotational axes of the guide vanes of the guide vane assembly, said rotational axes extending in the radial direction. The device comprises a driveshaft (38), to which a drive motor can be coupled and which can be driven via the drive motor, and a control ring (27), which transmits a rotation of the driveshaft (38) to the guide vanes (21) in order to rotate the guide vanes of the guide vane assembly (20). Each guide vane (21) has a front vane part (22) and a rear vane part (23), each of which can be rotated relative to each other about a common rotational axis, namely the respective guide vane rotational axis. The driveshaft (38) is directly coupled to one of the guide vanes (21) of the guide vane assembly (20) such that the vane parts (22, 23) of said guide vane (21) of the guide vane assembly can be directly rotated on the basis of the driveshaft (38) without the interposition of the control ring (27). The driveshaft (38) is indirectly coupled to the other guide vanes (21) of the guide vane assembly (20) such that the guide vane parts (22, 23) of the other guide vanes of the guide vane assembly can be rotated indirectly on the basis of the driveshaft (38) with the interposition of the control ring (27). A respective drive lever (28, 29) acts on a bearing pin (24) of the front vane part (22) and a bearing pin (25) of the rear vane part (23) of the guide vane (21), and the drive lever (28, 29) of the vane parts of each guide vane (21) are coupled together via a respective coupling device (30) such that the vane parts (22, 23) of each guide vane (21) can be rotated in a synchronized manner.
Catalytic converter unit (10) for an exhaust gas catalytic converter, in particular an SCR catalytic converter unit for an SCR catalytic converter of a marine diesel internal combustion engine, with multiple catalytic converter modules (11), wherein each catalytic converter module (11) has a ceramic catalytic converter body through which exhaust gas flows and a metallic casing (12) for the ceramic catalytic converter body, wherein the respective ceramic catalytic converter body is received in the respective metallic casing (12) and is surrounded in certain sections by the latter, wherein the catalytic converter modules (11) are positioned with first flowed-through ends on a support grating (13), wherein a counter-brace (14) is positioned at the opposite second flowed-through ends of the catalytic converter modules (11), and wherein the catalytic converter modules (11) are clamped between the support grating (13) and the counter-brace (14).
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
The invention relates to a method for the aftertreatment of an exhaust gas (15) emitted by an internal combustion engine (10), said exhaust gas (15) being conducted across an out-coupling route (11) for thermal energy from the exhaust gas. In order to condition the exhaust gas (15) for the purpose of the thermal out-coupling, an adsorbent (16) is added to the exhaust gas (15) downstream of the internal combustion engine (10) when viewed in the direction of flow of same, is mixed with said exhaust gas (15) and subsequently, in a filter unit (13), this is cleaned of particulate constituents contained in the exhaust gas and of the adsorbent loaded with harmful components.
A compensator (10), having a first corrugated bellows section (11), having a second corrugated bellows section (12), having an intermediate pipe section (13) which is positioned between the first corrugated bellows section (11) and the second corrugated bellows section (12), having a first attachment flange (14) and having a second attachment flange (15), wherein the first corrugated bellows section (11) engages on the first attachment flange (14) and intermediate pipe section (13), wherein the second corrugated bellows section (12) engages on the second attachment flange (15) and intermediate pipe section (13), having an intermediate flange (16) which is positioned between the first attachment flange (14) and the second attachment flange (15) and which surrounds the intermediate pipe section (13) at the outside without a connection, or without a rigid connection, to said intermediate pipe section, wherein the intermediate flange (16) is connected by way of first tension rods (17) to the first attachment flange and by way of second tension rods (18) to the second attachment flange.
F16L 51/03 - Expansion-compensation arrangements for pipe-lines making use of a bellows or an expansible folded or corrugated tube comprising two or more bellows
18.
FUEL SUPPLY UNIT FOR AN INTERNAL COMBUSTION ENGINE
Fuel supply unit for an internal combustion engine, in particular a common rail fuel supply unit for a marine diesel internal combustion engine using fuel oil, having multiple fuel pumps connected in parallel in a pressure control circuit, in particular having multiple parallel-connected high-pressure fuel pumps (2), wherein each of the fuel pumps has a pump piston (16) guided movably in a pump cylinder (15) and a valve support (19) bearing a low-pressure-side intake valve (17) and a high-pressure-side delivery valve (18), wherein each valve support (19) of each of the parallel-connected fuel pumps, in particular of each of the parallel-connected high-pressure fuel pumps (2), houses a pressure sensor (21) with the aid of which it is possible to detect at least delivery impulses of the respective fuel pump.
F02M 65/00 - Testing fuel-injection apparatus, e.g. testing injection timing
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injectorFuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectorsFuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
F02M 55/02 - Conduits between injection pumps and injectors
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
19.
INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING SAME
Method for operating an internal combustion engine (10) which has a gas combustion system (11) and an exhaust gas post-treatment system (16), wherein exhaust gas (15) which leaves the gas combustion system (10) is directed for the purpose of cleaning via at least one CH4 oxidation catalytic converter (18) of the exhaust gas post-treatment system (16), and wherein the CH4/NO2 mole ratio in the exhaust gas (15) is set in a defined fashion by means of at least one gas-combustion-system-side and/or exhaust-gas-post-treatment-system-side measure upstream of at least one CH4 oxidation catalytic converter (18).
F01N 3/10 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
F02B 43/00 - Engines characterised by operating on gaseous fuelsPlants including such engines
Intake arrangement (10) for an internal combustion engine for the intake of a liquid medium from a container (11), having a strainer (16), via which liquid medium can be taken in from the container (11), and having at least one suction pipe (18, 19) which opens with a first end (20, 21) into the strainer (16) and via which the liquid medium which is taken in can be delivered in the direction of a suction pump which interacts with the respective suction pipe (18, 19), wherein the or each suction pipe (18, 19) is mounted at a second end (23, 24) which faces away from the strainer (16) such that it can be pivoted about an axis (25) in such a way that the respective suction pipe (18, 19) and therefore the strainer (16) follows a movement of the liquid which is to be taken in within the container (11), which movement is initiated by a movement of the container (11).
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
F01M 11/00 - Component parts, details, or accessories, not provided for in, or of interest apart from, groups
F01M 11/06 - Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
21.
FIBRE-OPTIC TEMPERATURE MEASUREMENT IN A CATALYST MATERIAL
The invention relates to a tube reactor for carrying out heterogeneous catalysed gas phase reactions comprising a thermal tube (2), which contains a catalyst material (3) and around which a fluid heat transfer medium (5) flows on the outer face (25) during operation, the catalyst material (3) consisting of particles (4). The tube reactor also comprises a temperature-sensitive optical waveguide (9) which is surrounded by a capillary tube (8), extends into the catalyst material (3) of the thermal tube (2), has measuring points (35) having a predetermined spacing (aM) between adjacent measurement points (35) in the axial direction of the thermal tube (2), and can be connected to a source for optical signals and to an evaluation unit (31) for optical signals reflected by the optical waveguide (9). At least in an axial thermal tube portion (34) of predetermined length containing at least a part of the catalyst material (3), the optical waveguide (9) has measuring points (35) having a spacing (aM) between adjacent measuring points (35) in the axial direction of the thermal tube (2) which is 0.8 to 5 times the shortest edge length (lK) of all imaginary cuboids which, having a minimum volume in the cases in which nominal external dimensions are associated with the particles (4) of the catalyst material (3), in each case delimit a particle (4) on the assumption that the particle (4) has the nominal external dimension thereof, and in all other cases in each case delimit said particles (4) which belong to a proportion by mass of a minimum of 70 % of the catalyst material (3) to which all the particles (4) having imaginary cuboids belong, wherein each edge length is longer than the shortest edge length (lK).
B01J 8/06 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds in tube reactorsChemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds the solid particles being arranged in tubes
22.
EXHAUST GAS AFTERTREATMENT DEVICE AND EXHAUST GAS AFTERTREATMENT METHOD
Disclosed is an exhaust gas aftertreatment device (10) for an internal combustion engine, especially for a ship diesel engine running on heavy oil, comprising a housing (11), an exhaust gas chamber (12) which is defined by the housing (11) and through which exhaust gas continuously flows, entering thereinto via an inlet (13) and exiting therefrom via an outlet (14), further comprising a noise damping chamber (15) which is defined by the housing (11), is coupled to the exhaust gas chamber (12), and holds a fluid or a pourable solid at a certain fill level that depends on the frequency of the exhaust gas noise to be damped.
The invention relates to an internal combustion engine (10), comprising at least one cylinder (11), wherein the or each cylinder comprises a main combustion chamber (14) for burning fuel in the cylinder (11), wherein an assembly (15) serving to supply and/or ignite fuel is installed on a cylinder head (12) of each cylinder between gas exhaust valves (13) of the cylinder in such a way that the assembly (15) is inserted into a cut-out (19) in the cylinder head (12) of the cylinder and is sealed to said cut-out, wherein a segment (20) of the assembly (15) that is inserted into the cut-out (19) in the cylinder head (12) of the cylinder (11) has an oval contour in the cross-section, and wherein a bounding surface (21) of said segment (20) of the assembly, which bounding surface lies in the sealing region, is contoured in such a way that said bounding surface is continuously convexly curved outward in the peripheral direction.
The invention relates to a method for operating a system (1) consisting of a plurality of internal combustion engines (2, 3), the internal combustion engines (2, 3) being coupled such that drive outputs provided by said internal combustion engines (2, 3) are drawn off by at least one common load (4), a downstream individual exhaust gas aftertreatment device (11, 12), in which the exhaust gas of a particular internal combustion engine undergoes an individual exhaust gas aftertreatment, being positioned downstream of each internal combustion engine (2, 3), or a common exhaust gas aftertreatment device, in which the exhaust gas of the internal combustion engines in question undergoes a common exhaust gas aftertreatment, being positioned downstream of a plurality of internal combustion engines; and wherein in order to regenerate an exhaust gas aftertreatment device, the drive output of at least one first internal combustion engine is reduced, the temperature of the exhaust gas of the or of each first internal combustion engine is increased, and the drive output of at least one second internal combustion engine is increased such that the drive output reduction at the or each first internal combustion engine is at least partially compensated for.
The invention relates to a catalyst unit (10), in particular a SCR catalyst unit for an SCR exhaust gas catalyst of a marine diesel internal combustion engine, comprising a ceramic catalyst body (11) which is flown through by exhaust gas and which has a substantially cuboid-shaped contour with a substantially rectangular inflow side (13) and a substantially rectangular outflow side (14), a metallic housing (12) that encloses in some sections the catalyst body (11), and at least one bearing mat which is positioned in a gap (18) formed between the catalyst body (11) and the housing (12). According to the invention, the borders or edges (19) of the catalyst body (11), which delimit the inflow side (13) and the outflow side (14), have in each case dimensions of between 210 mm and 280 mm, wherein the gap (18) between the catalyst body (11) and the metallic housing (12), when seen perpendicularly to the throughflow direction (15) of the catalyst body (11), has a dimension that is determined according to the following relationship: s≤p*5, s being the dimension of the gap in mm and p the dimensionless amount of the density of the or each bearing mat expressed in kg/m2.
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
26.
CATALYST UNIT, METHOD FOR PRODUCING THE SAME, AND EXHAUST GAS CATALYST
The invention relates to a catalyst unit (10) for an exhaust gas catalyst, comprising a ceramic catalyst body (12) which is flown through by exhaust gas, and a metallic housing (13) which encloses the catalyst body (12) at least in some sections when seen perpendicularly to the throughflow direction (11) thereof, wherein at least one bearing mat (15) is positioned between the catalyst body (12) and the housing (13) when seen perpendicularly to the throughflow direction of the catalyst body (12), and wherein the catalyst body (12) is retained perpendicularly to the throughflow direction thereof in the housing (13) via a force-closed press fit with the intermediate arrangement of the or each bearing mat (15), namely in such a way that, when seen in the throughflow direction (11) of the catalyst body (12), the press fit between the housing and the catalyst body is formed exclusively at defined axial positions, the housing (13) having groove-like depressions (16) at the defined axial positions for reducing in some sections the inner cross-section (17) of the housing (13), and the press fit between the housing (13) and the catalyst body (12) being formed exclusively in the region of the groove-like depressions (16).
Disclosed is an exhaust-gas after-treatment device (10) for an internal combustion engine, in particular for a ship's diesel internal combustion engine that is operated with heavy oil, said device comprising: a housing (11) through which exhaust gas flows; exhaust-gas purification chambers (13, 14, 15) formed in the housing (11), which chambers hold catalysts (16, 17, 18) and/or particulate filters in order to purify the exhaust gas; and muffler chambers (19, 20, 21, 22, 23, 24) formed in the housing (11), which chambers have a defined depth for muffling sound in the flow direction. The exhaust-gas purification chambers (13, 14, 15) and the muffler chambers (19, 20, 21, 22, 23, 24) are arranged spatially in series and parallel to one another on the flow side.
F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
F01N 1/08 - Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
F01N 3/035 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
28.
EXHAUST GAS POST TREATMENT SYSTEM AND METHOD FOR EXHAUST GAS POST-TREATMENT
The invention relates to an exhaust gas post treatment system for an internal combustion engine, in particular for a heavy fuel oil-powered marine diesel internal combustion engine, comprising an SCR catalyst (13), which uses ammonia as a reducing agent for the denitration of the exhaust gas, and having a device (15, 15a, 15b) positioned upstream of the SCR catalyst (13) as seen from a flow direction of the exhaust gas, by way of which ammonia or an ammonia precursor substance, which in the exhaust gas is converted to ammonia, can be introduced into the exhaust gas upstream of the SCR catalyst (13). Downstream of the SCR catalyst (13) and optionally, of a turbocharger, an exhaust gas scrubber (16) is positioned, by way of which excess ammonia, which is contained in the exhaust gas leaving the SCR catalyst (13), together with sulfur oxides, which are likewise contained in the exhaust gas leaving the SCR catalyst (13), can be scrubbed out of the exhaust gas forming ammonium salts while maintaining a pH value of approximately 6. For the control thereof, a bypass (20) around the SCR catalyst (13) can be provided as a wastegate, or comprising an additional SCR catalyst (21) .
F01N 3/04 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of liquids
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
F01N 3/029 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles by adding non-fuel substances to exhaust
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
A control unit of an internal combustion engine, specifically for actuating injectors or gas valves of a fuel supply system of the internal combustion engine, wherein the control unit actuates each injector to open said injector in such a way that the voltage applied to the respective injector changes between different voltage levels both in a boost phase of the actuation and in a hold phase of the actuation, and wherein the control unit actuates the respective injector in the boost phase in such a way that, after a defined boost current level has been reached, the voltage applied to the respective injector changes between a relatively low boost voltage level, which is greater than zero volts, and a relatively high boost voltage level, which is greater than a supply voltage of the control unit.
The invention relates to a tilting segment (12) for a shaft bearing device, comprising a base (15) which has a slide bearing face (16) delimited by a segment leading edge (17) extending in the axial direction, a segment trailing edge (18) likewise extending in the axial direction and side edges (19, 20) extending in the circumferential direction between the segment leading edge and the segment trailing edge, a groove (22) being made in the slide bearing face (16), which groove is closer to the segment trailing edge (18) than to the segment leading edge (17) and extends in the axial direction.
A compressor stage (10), having a stator-side intake connector via which medium for compression in the region of the compressor stage can be introduced into the compressor stage, having a stator-side inflow duct (11) via which the medium for compression can be conveyed from the intake connector in the direction of a rotor-side impeller (14), wherein the impeller (14) has a radially inner hub (16), a radially outer cover disk (17) and impeller blades (18) which extend between the hub (16) and the cover disk (17), wherein for measurement of the effective pressure at the compressor stage, there is provided at the latter a plus measurement point and a minus measurement point, wherein the minus measurement point is positioned upstream of the impeller (14), outside the stator-side inflow duct (11), in an annular gap (24) which branches off from the inflow duct (11).
The invention relates to a compressor, in particular of a turbomachine. The compressor (2) comprises at least one blade ring (8; 12) and at least two ring segments (20, 22; 30, 32), wherein the blade ring (8; 12) has at least two equally large ring segments (20, 22; 30, 32). The compressor (2) also comprises blades, which are arranged in the ring segments (20, 22; 30, 32) of the blade ring (8; 12) in such a way that a first number (X+a; Y+b) of blades (23, 34) is arranged in a first ring segment (20; 30) and a second number (X; Y) of blades (23, 34) is arranged in a second ring segment (22; 32). The first number (X+a; Y+b) of blades is not equal to the second number (X; Y) of blades (23, 34).
In order to improve the operation of a bulk gas tank (10; 110; 210), a cold-box apparatus is proposed, comprising a plurality of cold-box compartments (12, 14; 112, 114; 212, 214) operationally associated with the bulk gas tank (10; 110; 210). A corresponding cold-box system is also proposed, comprising such cold-box apparatus and the bulk gas tank (10; 110; 210).
The invention relates to a machine tool, comprising a workpiece holder for accommodating a workpiece to be treated, and a tool holder for accommodating a tool required for treating the workpiece, a hardness testing device being integrated into the machine tool with the aid of which device an automated hardness test can be carried out on the workpiece.
B23Q 3/155 - Arrangements for automatic insertion or removal of tools
B23Q 17/20 - Arrangements for indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
G01N 3/40 - Investigating hardness or rebound hardness
G01N 3/42 - Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
35.
METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE
A method for operating an internal combustion engine (10) having a plurality of cylinders (11), specifically a method for the cylinder-specific detection of misfires, wherein at least one exhaust gas actual value is individually detected by measuring technology using at least one exhaust gas sensor (17) in the exhaust gas of each cylinder (11) of the internal combustion engine (10) for the respective cylinder (11), and the respective exhaust gas actual value which is detected by means of measuring technology is compared with an exhaust gas setpoint value in order to determine, for each of the cylinders (11), at least one cylinder-specific deviation between the exhaust gas setpoint value and the exhaust gas actual value, and wherein, on the basis of the or of each cylinder-specific deviation, it is determined individually for each cylinder (11) whether misfires occur at the respective cylinder (11).
The invention relates to a method for operating an internal combustion engine (10), which has at least a motor (11) and an exhaust-gas aftertreatment system (13), wherein exhaust gas produced in the motor (11) when fuel is combusted is conducted through the exhaust-gas aftertreatment system (13) for cleaning, wherein an exhaust-gas actual value is determined, which depends on the actual value of a nitrogen dioxide fraction in the exhaust gas upstream of an exhaust-gas aftertreatment component (14) of the exhaust-gas aftertreatment system (13), and wherein at least one operating parameter for the motor (11) is changed in such a way that the actual value of the nitrogen dioxide fraction is brought closer to a corresponding target value of the nitrogen dioxide fraction, such that the particular exhaust-gas aftertreatment component (14) is operated in an optimized manner.
Method for operation of an internal combustion engine (10) having a plurality of cylinders (11),specifically a method for cylinder-specific combustion control, wherein a cylinder-specific combustion control takes place using at least one exhaust gas sensor (17) in the exhaust gas of each cylinder (11) of the internal combustion engine, for which exhaust gas a cylinder-specific combustion control takes place, at least one actual combustion value for the respective cylinder is individually obtained by measuring technology, and the respective actual combustion value which is obtained by measuring technology is compared with a combustion setpoint value, in order to determine at least one cylinder-specific control error between the setpoint combustion value and the actual combustion value for each of the cylinders (11) for which a cylinder-specific combustion control takes place, and wherein at least one cylinder-specific manipulated variable is determined for each cylinder (11), for which cylinder-specific combustion control takes place, on the basis of the or each cylinder-specific control error, on the basis of which manipulated variable the respective cylinder (11) is operated in order to cause the respective setpoint combustion value to approach the respective setpoint combustion value and to minimise the respective control error.
Internal combustion engine (10) comprising a plurality of cylinders (11) and at least one compressed air reservoir (16) that can be closed off by a valve (17). For running up the internal combustion engine (10), compressed air stored in the one or each compressed air reservoir (16) can be conducted in the direction of the cylinders (11) of the internal combustion engine by opening the one or each valve (17) in order to speed up the run-up of the internal combustion engine.
A piston (20) for a cylinder of a combustion engine, having a piston body (21) with a defined outer diameter and an axially forward piston head (22) that defines parts of a combustion chamber of the cylinder, wherein at the radially outer edge of the piston body (21) the piston head (22) is extended axially rearwards and reduces the wall thickness of the piston body.
Modular system for multiple-stage supercharging devices which have, as exhaust gas-side assemblies, at least one high pressure turbine (11), a low pressure turbine (12) and an exhaust-gas outflow housing (13), and which have, as charge air-side assemblies, at least one high pressure compressor (20), a low pressure compressor (19) and a charge air cooler (27) which is connected between the low pressure compressor and the high pressure compressor, wherein a supercharging device can be assembled from a plurality of modules of the modular system, namely in such a way that: the charge air-side modules, namely at least the high pressure compressor (20) with the high pressure compressor rotor (24) and the high pressure compressor housing (26), the low pressure compressor (19) with the low pressure compressor rotor (21) and the low pressure compressor housing (23), and the charge air cooler (27) which is connected between the low pressure compressor and the high pressure compressor, are independent of the design of the exhaust gas-side modules; as exhaust gas-side modules, the high pressure turbine (11) with the high pressure turbine rotor (14) and the high pressure turbine housing (15) and the low pressure turbine (12) with the low pressure turbine rotor (16) and the low pressure turbine housing (17) are dependent on whether the high pressure turbine is configured as a radial turbine or as an axial turbine and the low pressure turbine is configured as a radial turbine or as an axial turbine; as exhaust gas-side modules, the high pressure turbine housing (15) and the low pressure turbine housing (17) are dependent on whether the supercharging device is configured without exhaust gas aftertreatment or with exhaust gas aftertreatment between the high pressure turbine and the low pressure turbine. An associated supercharging device is likewise presented.
Device for testing a fuel injector (10) or a fuel injection nozzle (10) of an internal combustion engine, having a pump (12) which generates an injection pressure and with the aid of which test medium, in particular fuel, which is provided in a tank (13) can be fed to a fuel injector (10) to be tested or a fuel injection nozzle (10) to be tested, wherein the fuel injector (10) to be tested or the fuel injection nozzle (10) to be tested protrudes into a test chamber (11) or is arranged in a test chamber (11) and sprays the test medium into said test chamber (11), and wherein the test chamber (11) accommodates a test strip (14) which receives test medium which is sprayed by the fuel injector (10) to be tested or the fuel injection nozzle (10) to be tested in the form of a spray pattern which can be evaluated.
The invention relates to an ammonia generator (22) for an exhaust gas purifying device of an internal combustion engine, namely for generating ammonia, which is used as a reducing agent for an SCR catalyst, from a urea solution, comprising a nozzle (23) via which the urea solution can be introduced into a gas flow, comprising a hydrolysis catalyst (24) which is connected downstream of the nozzle (23) and via which the urea solution introduced into the gas flow can be decomposed into steam, carbon dioxide, and ammonia, and comprising a swirl generating means (33, 36) for imparting a swirl to the gas flow into which the urea solution can be introduced.
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
Fuel injection nozzle of an internal combustion engine, comprising a nozzle body (11) and a nozzle needle (12) located in said nozzle body (11), the nozzle body (11) providing a valve seat (13) for the nozzle needle (12) that serves as the valve body, such that, when the fuel injection nozzle is closed, a region (15) of the nozzle needle (12) pushes against the valve seat (13) provided by the nozzle body (11). The valve seat (13) provided by the nozzle body (11) has a conical contour and the region (15) of the nozzle needle (12) which pushes against the valve seat (13) provided by the nozzle body (11) when the fuel injection valve is closed is provided by a spherically contoured section (17) of the nozzle needle (12).
Method for determining a cylinder pressure-crankshaft position assignment for an internal combustion engine having the following steps: detecting the crankshaft angle by means of measuring equipment; detecting the cylinder pressure (P) by means of measuring equipment; calculating a cylinder volume (V) as a function of the crankshaft angle; obtaining a curved profile for the logarithmic cylinder pressure (log P) plotted against the logarithmic cylinder volume (log V) as a function of the crankshaft angle; analysing the curved profile and obtaining an offset value for the crankshaft angle in order to determine a chronologically precise cylinder pressure-crankshaft position assignment.
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
F02D 41/24 - Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
The invention relates to a fluid-tight line feedthrough (1) for introducing an electric conductor (2) into a high-pressure chamber, comprising a housing (4) and an electric conductor (2) which passes through the housing (4). A ceramic insulator (3) is positioned between the housing (4) and the electric conductor (2). The ceramic insulator (3) is divided into a first insulator segment (7) facing the electric conductor (2) and a second insulator segment (8) facing the housing (4), thereby forming a conical separating plane (6), and a fitting (9) made of an electrically conductive material is positioned between the two segments (7, 8), said fitting being connected to the two segments (7, 8) and to the housing (4).
Disclosed is a sealing steam system for applying sealing steam to shaft sealings of a steam turbine, wherein, proceeding from a collector (8), a flow-inlet-side shaft sealing (6) of the turbine (1), which is set to a relatively high stress temperature, and a flow-outlet-side shaft sealing (7) of the turbine (1), which is set to a relatively low stress temperature, can be individually supplied with sealing steam of a defined temperature via a respective sealing steam supply line (9, 10) that branches off from the collector (8), wherein fresh steam can be fed to the collector (8) via a pressure-controlled control valve (13), at least one sealing steam cooler (16) being assigned to the collector (8) and/or to the sealing steam supply line (10) that leads to the flow-outlet-side shaft sealing (7), via which sealing steam cooler (16) the sealing steam to be fed to the flow-outlet-side shaft sealing (7) can be cooled.
End plate (30) for an electric machine (1), comprising: a bearing receptacle (40) in which a magnetic bearing which is configured for rotatably mounting a rotor (20) of the electric machine (1) can be accommodated; and a radially outwardly pointing circumferential contour (50) on which a number of at least three supporting elements (60, 70) are provided, which supporting elements (60, 70) each protrude radially beyond the circumferential contour (50) by a determined protruding amount (M), with the result that said supporting elements (60, 70) define a discontinuous external circumferential contour of the end plate (30); wherein the respective protruding amounts (M) of the support elements (60, 70) are dimensioned in such a way that the end plate (30) can be fitted in by making a centre of the magnetic bearing (80) correspond to a geometric longitudinal axis (A2) of the electric machine (1) and/or a magnetic longitudinal axis (A4) of the electric machine (1).
The invention relates to an internal combustion engine (10), in particular a large diesel engine such as a diesel internal combustion engine for a ship, comprising an at least one-stage exhaust gas supercharging system (12), which has at least one exhaust gas turbocharger (14, 15) having a compressor (16, 17) and a turbine (18, 19), and comprising an exhaust gas recirculation system (13), which diverts exhaust gas from the exhaust gas flow and mixes said exhaust gas with compressed charge air, wherein the exhaust gas recirculation system (13) comprises a desulfurizing device (24), which is used to desulfurize the exhaust gas conducted by means of the exhaust gas recirculation system (13), and wherein the desulfurizing device (24) is designed as a fixed-bed adsorber (27).
F02B 37/00 - Engines characterised by provision of pumps driven at least for part of the time by exhaust
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
A piston of an internal combustion engine, having a piston upper part (10) and a piston lower part (11), having a piston pin (12) which is mounted in the piston lower part (11) and which serves for connecting the piston to a connecting rod (13) of the internal combustion engine, having an inner cooling chamber (15), formed between the piston upper part (10) and the piston lower part (11), for cooling oil for cooling the piston, said inner cooling chamber being connected via at least one transfer bore (17) to an outer cooling chamber (16) formed between the piston upper part (10) and a piston lower part (11), and having a single-piece slide shoe (19) which is movably mounted in the piston lower part (11) and which is forced by means of a spring element (20) against a connecting rod head (14) of the connecting rod (13) and which serves for transferring cooling oil, which has been conducted through a bore (18) in the connecting rod (13), into the inner cooling chamber (15), wherein a guide surface (21) for the single-piece slide shoe (19) is formed between the single-piece slide shoe (19) and the piston lower part (11), and wherein, as viewed in the axial direction of the piston and slide shoe, the spring element (20) extends, at least in sections, parallel to the guide surface (21) for the single-piece slide shoe (19).
The invention relates to a shock-resistant device for mounting a marine engine (7) on an engine pedestal (8a, 8b) of a ship, having a stopping means for limiting a relative movement between the engine pedestal (8a, 8b) and the marine engine (7), in particular when the sea is rough, and having a catching means for fixing the marine engine (7) on the engine pedestal (8a, 8b), in particular during marine emergencies, wherein the stopping means and the catching means are provided together by a stopping and catching unit (1).
The invention relates to a radial compressor unit for compressing gas having several compressor stages (11), wherein each compressor stage (11) comprises an impeller (18) having rotor blades (23), a flow channel (24) arranged downstream of the impeller (18) as viewed in the flow direction of the gas to be compressed, having a diffusor section (25), a deflection section (26), and a recirculation section (27) having guide blades (28). The gas compressed in a compressor stage (11) can be removed as cooling gas for cooling a component to be cooled, and can be conveyed in the direction of the component to be cooled, wherein the cooling gas can be removed adjacent to an intermediate wall (32) of the compressor stage from the deflection section (26) and/or the recirculation section (27) of the flow channel (24) of the compressor stage (11).
F02C 6/08 - Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
F04D 29/58 - CoolingHeatingDiminishing heat transfer
An impeller (20) for a rotor (10) of a turbomachine (1), and rotor and turbomachine having an impeller of said type, the impeller comprising: a wheel disc (30) for mounting on the rotor, which wheel disc has multiple grooves (32) which are arranged along a circumference (31) of the wheel disc and which extend in the thickness direction of the wheel disc, wherein in each case one toothed profile (33) is formed on two sides of each groove; a plurality of impeller blades (40) which have in each case one root (41) with two sides on which in each case one toothed profile (43) is formed, wherein each blade is inserted into a groove so as to form a blade-groove combination such that the toothed profiles of the root and of the groove are in engagement, and wherein each combination has a fixing device (50) which fixes the blade in the groove in the thickness direction and in the radial direction (RR) of the wheel disc. To be able to quickly mount/dismount the blades and fix said blades in the grooves with a defined radial clamping action, each fixing device has a recess (51), which is closed on two sides, in an underside (44), which faces toward a groove base (32a), of the blade and has a bar (52) which is movably received in the groove base so as to be radially adjustable between an unlocked position, in which it does not engage into the recess, and a locked position, in which it engages into the recess so as to push the blade radially outward.
The invention relates to a burner (1) of a gas turbine having a flame holder (30; 30') axially adjoining a combustion chamber (20) for stabilizing a flame. In order to achieve an increased service life of the burner, the flame holder (30; 30') has at least one elongated depression (30a; 30a') in or adjacent to a flame attachment region (31; 31') subjected to the flame, which depression provides a thermal expansion space for material of the flame holder (30; 30') that is located in the flame attachment region, so that material stresses are reduced.
The invention relates to a method for applying a protective layer, to a component that is coated with a protective layer, and to a gas turbine comprising such a component. According to the method, a MCrAlY-based adhesive layer (12) is applied onto a base metal (11). The adhesive layer (12) is coated with an Al diffusion layer (14) by means of aluminization. The Al diffusion layer (14) undergoes an abrasive treatment such that an outer buildup layer (14.2) of the Al diffusion layer (14) is removed, and a ceramic heat-insulating layer (13) made of zirconium oxide that is partially stabilized with yttrium oxide is applied onto the remaining Al diffusion layer (14) such that a protective layer against high-temperature corrosion and high-temperature erosion is produced. According to the invention, the method should achieve a good thermal fatigue resistance of the protective layer but can be carried out in a simple manner. This is achieved, inter alia, in that the ceramic heat-insulating layer (13) is applied onto the remaining Al diffusion layer (14) by means of an atmospheric plasma spraying process.
The invention relates to a combustion chamber housing (10) and to a gas turbine (1) equipped therewith, wherein the combustion chamber housing has a flame tube (20) and a cladding tube (30) which surrounds the flame tube and which in the wall thereof has a plurality of through-holes (31) via which air flowing on the outside onto the cladding tube can radially penetrate into an intermediate space (40) formed between the cladding tube and the flame tube. The invention assures uniform distribution of the inflowing air around the flame tube. This is achieved, among other things, by providing a plurality of guide ribs (50), which are distributed in the intermediate space on the circumference of the two tubes and which each extend radially between the cladding tube and flame tube and parallel to a longitudinal direction (LR) of the two tubes such that the intermediate space is divided by the guide ribs into several longitudinal channels (41).
The invention relates to an internal combustion engine (1) with a plurality of combustion cylinders, on each of which a fuel injection device (120) is provided. A separate upstream-mounted unit (10c-10f) with a fuel reservoir integrated therein is provided for each combustion cylinder, said fuel reservoir being connected to the respective combustion cylinder via one of a plurality of first fuel lines (110) in order to supply fuel to the respective fuel injection device of the combustion cylinder. A fuel pump that can be connected to a fuel source is integrated into at least one of the upstream-mounted units (10d) in order to provide a specified fuel pressure. The fuel reservoir of each upstream-mounted unit is equipped so as to ensure that the respective corresponding fuel injection device is supplied with fuel at a stable pressure, said fuel being delivered by the fuel pump, and the respective fuel reservoirs of the upstream-mounted units are connected to one another via a plurality of second fuel lines (100).
F02M 55/02 - Conduits between injection pumps and injectors
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injectorFuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectorsFuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
57.
SHELL-AND-TUBE REACTOR FOR CARRYING OUT CATALYTIC GAS PHASE REACTIONS
Disclosed is a shell-and-tube reactor for carrying out catalytic gas phase reactions, in particular methanization reactions, comprising a bundle (2) of catalyst-packed reaction tubes (3) through which reaction gas (15) flows and around which heat transfer medium (8) flows during operation, wherein in the region of the catalyst packing (16) the reaction tubes (3) run through at least two separate heat transfer medium zones (29, 30), the first of which extends over the starting region of the catalyst packing (16), and wherein during operation the heat transfer medium temperatures can be adjusted for each heat transfer medium zone (29, 30) such that they decrease in the flow direction of the reaction gas (15) from zone (29) to zone (30). Each reaction tube (3) comprises a first reaction tube section (21) having a first hydraulic diameter of the catalyst packing (16) and, downstream in the flow direction of the reaction gas (15), at least one second reaction tube section (22) having a second hydraulic diameter of the catalyst packing (16) which is greater than the first diameter, the first reaction tube section (21) extending over the starting region of the catalyst packing (16), and the first heat transfer medium zone (29) extending no more than to the end of the first reaction tube section (21).
B01J 8/06 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds in tube reactorsChemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds the solid particles being arranged in tubes
C10G 2/00 - Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
C10L 3/06 - Natural gasSynthetic natural gas obtained by processes not covered by , or
58.
BEARING ARRANGEMENT FOR A CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE
The invention relates to a bearing arrangement for a crankshaft of an internal combustion engine, comprising a sliding bearing formed by bearing shells, wherein a back (13) of a bearing shell (10) adjoins a cylinder crankcase (11) of the internal combustion engine and a bearing face (12) of said bearing shell adjoins the crankshaft to be mounted, wherein either the bearing face (12) or the back (13) of the bearing shell or a surface (14) of the cylinder crankcase (11) which adjoins the back (13) of the bearing shell has a concave shape.
The invention relates to a cylinder head (10) and to an internal combustion engine (1) equipped therewith, wherein the cylinder head has a plurality of media passages, each of which has a media contact surface for conducting a medium. The cylinder head is designed in such a way that the cylinder head has an increased service life compared to the prior art. This is achieved, inter alia, in that the media contact surface (11a) of at least one media passage (11) for conducting a corrosive medium of the plurality of media passages is made of corrosion-resistant material.
F02B 75/08 - Engines with means for preventing corrosion in gas-swept spaces
F02B 77/04 - Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
F02F 1/42 - Shape or arrangement of intake or exhaust channels in cylinder heads
F02B 47/08 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
The invention relates to an internal combustion engine and to a method for controlling the operation of the internal combustion engine, wherein the method comprises: determining an operating load of the internal combustion engine (1), controlling the operation of the internal combustion engine on the basis of a standard characteristic control map that realizes a certain drive power of the internal combustion engine, if the operating load of the internal combustion engine is constant, and, if the operating load of the internal combustion engine increases to a predetermined extent, activating at least one characteristic control curve in order to modify the standard characteristic control map so that the drive power of the internal combustion engine is increased.
The invention relates to a burner for a turbine, comprising: a flame tube, in which a combustion chamber is formed, a jacket, which encloses the flame tube radially from the outside at a predetermined distance so that an oxidant collection chamber is formed between the flame tube and the jacket, a burner bottom, which bounds the oxidant collection chamber and the combustion chamber at an axial end of the burner, and a swirl generator, which is arranged axially between the flame tube and the burner bottom and axially adjacent to the burner bottom and radially adjacent to the oxidant collection chamber, for feeding a fuel-oxidant mixture into the combustion chamber, wherein the swirl generator has a plurality of guide blades arranged in a circumferential direction of the burner at a circumferential distance from each other so that the distances between the guide blades form a plurality of radial inlet passages to the combustion chamber that each have a tangential component in the course thereof, wherein a fuel supply tube is provided in the inlet flow area of at least some of the inlet passages, which fuel supply tube extends through the respective inlet passage in an axial direction of the burner and transversely to an oxidant flow direction, and wherein each fuel supply tube has at least one fuel outlet opening in the wall thereof, by means of which fuel outlet opening fuel can be mixed into the respective inlet passage with a directional component extending transversely to the oxidant flow direction.
The invention relates to an electric machine, comprising a housing having an inner circumference, a stator, which is inserted into the housing such that an outer circumference of the stator faces the inner circumference of the housing, wherein a clearance fit is formed between the inner circumference of the housing and the outer circumference of the stator, at least one fastening element, wherein each fastening element connects the stator to the housing in a form-fit manner such that the stator is retained on the housing in a rotationally-fixed manner, and a rotor, which is rotatably supported in the housing in a radial direction of the electric machine inwardly from the stator.
The invention relates to an underwater compressor arrangement (10, 10A) and an underwater process fluid conveying arrangement equipped therewith, wherein the underwater compressor arrangement comprises: a housing (100), a turbocompressor (200) having a compressor rotor (210), and a rotary drive unit (300) having a drive rotor (310), wherein the turbocompressor (200) and the rotary drive unit (300) are arranged in the housing (100) and the compressor rotor (210) is connected to the drive rotor (310) such that the drive rotor rotatably drives the compressor rotor, wherein the housing (100) is hermetically sealed, with the exception of operating connections for the turbocompressor (200) and for the rotary drive unit (300), and wherein the compressor rotor (210) is rotatably supported in the housing (100) by means of a rolling bearing (410).
The invention relates to a rotor of a turbomachine, comprising a main rotor body and several rotor blades, wherein each rotor blade has an airfoil (11) and a coupling element segment (10), and wherein a width of the coupling element segment is defined in the circumferential direction by edges extending substantially in the axial direction. According to the invention, in the viewing direction from radially outside, each coupling element segment is contoured on a first side (16) in such a way that, adjacent to a flow inlet edge (12) of the airfoil on the flow inlet side, the radially outer edge (18) extending in the axial direction protrudes in the circumferential direction beyond the radially inner edge (20) extending in the axial direction, whereas on said first side facing away from a flow outlet edge (13) of the airfoil on the flow outlet side, the radially inner edge (20) protrudes beyond the radially outer edge (18), wherein the coupling element segment is contoured on a second side (17) opposite the first side in such a way that, adjacent to the flow outlet edge (13) on the flow outlet side, the radially outer edge (19) extending in the axial direction protrudes in the circumferential direction beyond the radially inner edge (21) extending in the axial direction, whereas on said second side facing away from the flow inlet edge (12) of the respective blade on the flow inlet side, the radially inner edge (21) protrudes beyond the radially outer edge (19).
The invention relates to an axial-radial turbomachine (1), comprising: an axial part (10) having at least one axial stage (11), a radial part (20) having at least one radial stage (21), a housing (30) having an interior space, which is divided in an axial direction by a partition (401) extending in a radial direction into a first sub-space (31), in which the axial part is accommodated, and a second sub-space (32), in which the radial part is accommodated, and a shaft (50), which extends in the axial direction through the interior space and the partition and on which rotors (12, 22) of the axial part and of the radial part are accommodated, wherein a radial gap (RS) is formed between the partition and a fluid guiding element (23) of the radial part that is adjacent to the partition and axially fixed on the housing, and wherein a plurality of fixing units (60) distributed in a circumferential direction is arranged in the radial gap, the fixing units axially fixing the partition on the fluid guiding element.
F04D 17/02 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumpsHelico-centrifugal pumps specially adapted for elastic fluids having non-centrifugal stages, e.g. centripetal
The invention relates to a squirrel-cage rotor (1) and a method for producing such a squirrel-cage rotor, which comprises a rotor shaft (100 having a solid rotor section (11) composed of ferromagnetic material, which solid rotor section has a plurality of through-passages (12) that extend in an axial direction of the rotor shaft, a plurality of electrically conductive rod elements (20), which are each accommodated in one of the through-passages (12) so that the rod elements (20) extend through the solid rotor section (11) in the axial direction, wherein the rod elements (20) each have a first longitudinal end (20a) and a second longitudinal end (20b) facing away from the first longitudinal end, and two electrically conductive end elements (30, 40), which electrically connect the first longitudinal ends (20a) to each other and the second longitudinal ends (20b) to each other so that a squirrel-cage is formed by the rod elements (20) and the end elements (30, 40). The rod elements (20) are accommodated in the through-passages (12) in such a way that a relative motion in the axial direction of the rotor shaft (10) between the solid rotor section (11) and the rod elements (20) is enabled in the event of a length change of the rod elements (20) and/or of the solid rotor section (11).
The invention relates to a multi-engine plant and a method for operating said plant, wherein the multi-engine plant comprises a plurality of combustion engines belonging to a functional unit in a driving manner and each combustion engine comprises an adaptive engine control device and at least one sensor that detects operating parameters of the combustion engine, wherein each engine control device is designed to operate the associated combustion engine using operating parameters and to adapt said operating parameters to present operating conditions during operation of the combustion engine by means of optimization, and wherein the engine control devices are signal-connected to each other so that an exchange of information between the engine control devices in regard to the optimizations of the engine control devices is ensured and are each designed to use optimization results of a combustion engine as the basis for the optimization of at least one further combustion engine.
F02D 41/26 - Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
The invention relates to a gas turbine combustion chamber, comprising a housing (1), a flame tube (2) accommodated therein, and a perforated plate (3) that surrounds the flame tube at least partially, the perforated plate being fastened to the housing at both face ends (3.1, 3.2) of the perforated plate.
The invention relates to a radial compressor (1) and a method for producing a radial compressor, wherein the radial compressor comprises a compressor housing (10), a compressor shaft (30) rotatably mounted in the compressor housing, at least one compressor impeller (13) arranged in the compressor housing on the compressor shaft, and a fluid discharge element (15) which is arranged downstream of a last compressor impeller of the radial compressor in a fluid path within the compressor housing and which has a certain extension in the radial and axial directions, wherein the fluid discharge element has a fluid passage (15a) that extends by a certain angular dimension in a circumferential direction for discharging fluid accelerated by means of the last compressor impeller from the compressor housing, and wherein the fluid discharge element is composed of material having a certain material structure, and the fluid passage is designed as a subsequently introduced spatial interruption in a material cohesion of the material structure.
Radial compressor and method for producing a radial compressor, wherein the radial compressor (1) has a compressor housing (10), a compressor shaft (20) which is mounted rotatably in the compressor housing, at least one compressor rotor (14) which is arranged in the compressor housing on the compressor shaft and an inlet insert (12) of defined extent in a radial direction (RR) and an axial direction (AR) of the radial compressor, which inlet insert (12) is assigned to a first rotor stage of the radial compressor in a fluid path in the compressor housing. The inlet insert defines a fluid inlet passage (13), which is arranged in front of a first compressor rotor in the fluid path and leads towards it, and is formed by material with a defined material structure, wherein the fluid inlet passage is formed as a subsequently made three-dimensional interruption in a material cohesion of the material structure.
The invention relates to a rotor disk (2) for a turbo machine, in particular a radial turbo machine, having a rotor disk end face (2.2) and a shrink band (2.3) connected thereto to be shrunk onto a rotor (1) of the turbo machine, wherein the rotor disk comprises a circumferential groove (3) between the rotor disk end face and the shrink band connected thereto.
The invention relates to a compressor impeller (20) having a plurality of impeller passages (23) for conducting through a fluid to be compressed, wherein each impeller passage has a fluid inlet end (23a) and a fluid outlet end (23b), wherein the respective impeller passages at the fluid inlet end have a first cross-sectional surface (AE) and at the fluid outlet end have a second cross-sectional surface (AA), and wherein a ratio of sizes (GV) between the second cross-sectional surface and the first cross-sectional surface is smaller than 0.7.
A method is provided for coating a hollow, internally cooled blade (1) of a gas turbine, in which method an outer coating (5) comprising an MCrAlY-based bonding layer (6) and a ceramic thermal barrier layer (9) of zirconium oxide is applied to the base material (3) of the blade (1) on the outer side of the blade (1) and an inner coating (4) comprising a Cr diffusion layer (7) is applied to the base material (3) of the blade (1) on the inner side of the blade (1). The MCrAlY-based bonding layer (6) is thereby applied to the finished blade (1). At the same time, along with the inner coating (4), the Cr diffusion layer (7) is also applied to the MCrAlY-based bonding layer (6) of the outer coating (5) by chemical vapor deposition. Subsequently, an Al diffusion layer (8) and an outer brittle Al build-up layer are applied by chemical vapor deposition to the bonding layer (6) coated with the Cr diffusion layer (7). After that, the outer brittle Al build-up layer is removed by an abrasive treatment and the ceramic thermal barrier layer (9) is applied to the Al diffusion layer (8).
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
C23C 10/14 - Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases more than one element being diffused in one step
C23C 4/08 - Metallic material containing only metal elements
C23C 14/30 - Vacuum evaporation by wave energy or particle radiation by electron bombardment
C23C 30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
F01D 5/18 - Hollow bladesHeating, heat-insulating, or cooling means on blades
C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
F01D 5/28 - Selecting particular materialsMeasures against erosion or corrosion
74.
TURBOMACHINE COMPONENT AND TURBOMACHINE EQUIPPED THEREWITH
The invention relates to a turbomachine component and to a turbomachine equipped therewith, wherein the turbomachine component comprises a sensor unit which is attached to the turbomachine component, wherein the sensor unit comprises a sensor for detecting a turbomachine component parameter to be monitored, and a transmitter for transmitting a measurement signal corresponding to the parameter to an evaluation unit of the turbomachine, wherein the transmitter of the sensor unit is equipped to emit, together with the measurement signal, an encoded identification signal to the evaluation unit, said signal containing an identification code identifying the sensor unit, and wherein the sensor unit is equipped such that the sensor unit can be separated from the turbomachine component only when functionally destroying the sensor unit.
G01D 5/48 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using wave or particle radiation means
75.
WASTE GATE TURBOCHARGER SYSTEM, DRIVE SYSTEM EQUIPPED THEREWITH AND METHOD FOR OPERATING SAID DRIVE SYSTEM
The invention relates to a turbocharger system, to a drive system equipped therewith and to a method for operating said drive system. The turbocharger system comprises the following components: a turbocharger which has an exhaust gas turbine with a turbine inlet and a turbine outlet and a compressor with a compressor inlet and a compressor outlet, the turbine inlet to be brought into fluid communication with an exhaust outlet and the compressor outlet with an air inlet of the internal combustion engine. The system further comprises first control means for controlling a drive parameter of the exhaust gas turbine, an exhaust gas recirculation device with an inlet that is in fluid communication with the turbine inlet, and an outlet that is in fluid communication with the compressor outlet, and a control device that is connected to the first control means and the exhaust gas recirculation device and that is adapted to control the first control means based on an operating condition of the exhaust gas recirculation device. The control device comprises an integrated waste gate.
The invention relates to a compressor arrangement (1) having an axial compressor (10) and a radial compressor (20) disposed one after the other on a common driveshaft (30) that can be coupled to a drive (60), and each comprising a compression fluid inlet (11, 21) and a compression fluid outlet (12, 22), wherein the axial compressor has first control means and the radial compressor has second control means, and wherein the first and the second control means can be actuated separately, so that the axial compressor and the radial compressor can be controlled separately.
The invention relates to a turbocharger system, to a drive system equipped therewith and to a method for operating said drive system. The turbocharger system comprises the following components: a turbocharger which has an exhaust gas turbine with a turbine inlet and a turbine outlet and a compressor with a compressor inlet and a compressor outlet, the turbine inlet to be brought into fluid communication with an exhaust outlet and the compressor outlet with an air inlet of the internal combustion engine. The system further comprises first control means for controlling a drive parameter of the exhaust gas turbine, an exhaust gas recirculation device with an inlet that is in fluid communication with the turbine inlet, and an outlet that is in fluid communication with the compressor outlet, and a control device that is connected to the first control means and the exhaust gas recirculation outlet and that is adapted to control the first control means based on an operating condition of the exhaust gas recirculation device.
A sealing segment for sealingly connecting two structural components parts which are movable relative to one another, with two sealing bodies which are connected to one another by a web and which can be arranged in recesses of the structural component parts in an articulated manner, and a sealing segment arrangement with a plurality of sealing segments of this type, and a flow machine with a sealing segment arrangement of this type.
A device for connecting a blade to a rotor shaft of a continuous flow machine, includes a first fork foot which has a quantity of first foot lugs with first bore holes, a second fork foot which has a quantity of second foot lugs with second bore holes, and at least one connection bolt which passes through first and second bore holes to connect the first fork foot to the second fork foot. The device has a first area with a predetermined first diameter difference between a first inner diameter of one of the bore holes and a first outer diameter of the connection bolt, and a second area with a predetermined second diameter difference between a second inner diameter of one of the bore holes and a second outer diameter of the connection bolt, wherein the first diameter difference and the second diameter difference differ from one another.
The invention relates to a muffler for a turbo or piston engine, in particular a screw compressor, comprising a housing (1.1-1.3), a disc arrangement having at least one disc (3, 4, 5) attached to the housing, a tube arrangement having at least one tube (2.1, 2.2) for guiding a fluid of the turbo or piston engine mounted on the disc arrangement, and a vibration-damping jacket (9) made of dimensionally stable material at least partially covering the housing (2.2) on the exterior thereof, wherein at least one elastic element (3.3., 4.3, 6, 7, 8) is disposed between the tube arrangement and the housing.
The invention relates to a switchable solar heating device for a gas turbine having a compressor, having a valve (4) for selectively bypassing a solar heating device (5.1, 5.2) disposed between a compressor stage (1) and a turbine stage (3) of the gas turbine, wherein the valve is designed as a 4-way valve having a compressor connection (K) that can be connected to the compressor stage, a turbine connection (T) that can be connected to the compressor stage, a solar inlet connection (E) having an input for the solar heating device, and a solar outlet connection (A) that can be connected to an outlet of the solar heating device.
F01D 17/14 - Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
F03G 6/06 - Devices for producing mechanical power from solar energy with solar energy concentrating means
F16K 11/085 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
F02C 1/05 - Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly characterised by the type or source of heat, e.g. using nuclear or solar energy
82.
Monitoring of a sealing arrangement, particularly of a gas compressor or gas expander
To monitor a sealing arrangement for sealing a shaft relative to a stationary part having a shaft sealing ring with a shaft conductor surface arrangement, a stator sealing ring with a stator conductor surface arrangement that is insulated from the shaft conductor surface arrangement, and a capacitive measuring arrangement, the stator conductor surface arrangement has a first stator conductor surface and at least a second stator conductor surface that is electrically insulated from the latter, and the shaft conductor surface arrangement has at least one shaft conductor surface, and the measuring arrangement has a device for detecting an electric capacitance between two stator conductor surfaces of the stator conductor surface arrangement, the electric capacitance between two stator conductor surfaces of the stator conductor surface arrangement is detected during operation.
A horizontally split flow machine housing, particularly for a radial compressor, has a top housing part and a bottom housing part and a top stator part which is received in the top housing part and is prevented from falling out in that the top stator part is supported from the top by stator stops on housing stops. At least one housing stop is fastened to the top housing part in such a way that it can be adjusted toward a stator stop during assembly and is supported at the top housing part below a point of contact between the stator stop and housing stop.
The invention relates to a nozzle segment (1) for a stage, particularly a control stage, of a steam turbine, having at least one guide vane (1,2) and a mounting segment (1,1) for mounting the nozzle segment, comprises a sealing segment (1.3) for sealing a step wheel (2) of the steam turbine at the outer circumference thereof, formed integrally with the nozzle segment (1).
A multi or single-stage turbocompressor with at least one compressor wheel fastened to a shaft. The shaft is mounted in a turbocompressor housing which, behind the hub disc of the compressor wheel, includes an interior housing region as well as in front of the hub disc of the compressor wheel a front interior housing region. The driven compressor wheel delivers a fluid from an inlet channel to an outlet channel. The front interior housing region includes a wheel lateral space from which an extraction channel for the extraction of fluid is provided.
A device for energy recovery for a large diesel engine includes a current generator for converting mechanical rotational energy into electric energy. The current generator includes input shaft for applying rotational energy; a steam turbine a first shaft for transmitting the rotational energy of the steam turbine to the input shaft of the current generator a power turbine and a second shaft for transmitting the rotational energy of the power turbine to the input shaft of the current generator, wherein the first shaft and the second shaft are coupled with the input shaft of the current generator. A first coupling device between the current generator and the steam turbine couples the input shaft of the current generator and the first shaft and/or a second coupling device between the current generator and the power turbine couples the input shaft of the current generator and the second shaft are provided.
F02D 25/00 - Controlling two or more co-operating engines
F02D 29/06 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
F01K 23/06 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
F02B 41/10 - Engines with prolonged expansion using exhaust turbines
F01K 15/04 - Adaptations of steam engine plants for special use for driving vehicles, e.g. locomotives the vehicles being waterborne vessels
87.
CONTINUOUS FLOW MACHINE, METHOD AND MODULE SYSTEM FOR PRODUCTION OF A CONTINUOUS FLOW MACHINE SUCH AS THIS
A continuous flow machine (1) having a multi-part housing (2) and having a rotor accommodated therein, wherein the housing is subdivided on a first plane (H) parallel to the rotor axis and on a second plane (V1, V2) at right angles to the rotor axis, is produced from a module system in which housing parts are selected from a plurality of different, prefabricated housing parts, selected housing parts are connected on one plane (V1, V2) of the first and second plane, and housing parts which are connected to one another on one of the first and second planes are then connected to a further selected housing part in the other (H) of the first and second planes.
A rotor blade (1) for a flow engine, especially a steam turbine, comprises a pinned root (2) having a first tab (3) and two second tabs (4) which are arranged at both sides of the first tab in the axial direction (a), the first and the second tabs having a collar (5) in the axial direction on axial sides (3.i, 4.i) facing each other in such a manner that the tabs have a radially outer first section (3.1, 4.1) and a radially inner second section (3.2, 4.2) the axial extension of which (bF3) is shorter than that (bF1, bF2) of the outer first section, based on an axial overall width (b) between axial sides (4.a) of the two second tabs (4) facing away from each other, the radial height (hF1 / b) of the first, radially outer section being in the range of 0.39 and 0.45, especially between 0.40 and 0.44, and the radial height (hF2 / b) of the second, radially inner section being in the range of 0.40 and 0.46, especially between 0.41 and 0.45.
The invention relates to an improved blade cascade for a flow engine, especially a steam turbine, comprising a plurality of profiled blades, especially profiled rotor blades (1), having an intake side (SS), a pressure side (DS), a median line (Sk) and a chord length (s) between a blade leading edge and a blade trailing edge, said chord length having different geometrical quotients according to the claims.
A machine train includes a drive unit, preferably a steam turbine with axial exhaust flow, a geared turbine machine, and an additional compressor. The geared turbine machine has an integrated gear train with a drive pinion for driving turbine machine rotors via a large gear, and an output pinion of a rotational speed reduction power gear for driving the additional compressor.
A control device for a quick-acting gate valve (2) of a steam turbine, comprising a relief valve (4) for reducing a hydraulic pressure that opens the quick-acting gate valve and a relief valve / control valve arrangement (6) having at least three valves, which are hydraulically interconnected with the relief valve such that said relief valve only closes the quick-acting gate valve if at least two valves of the relief valve / control valve arrangement are switched into a quick-acting position, includes a test control valve arrangement (8, 9) for selectively reducing and increasing the hydraulic pressure opening the quick-acting gate valve when the relief valve is closed.
F15B 20/00 - Safety arrangements for fluid actuator systemsApplications of safety devices in fluid actuator systemsEmergency measures for fluid actuator systems
92.
METHOD FOR OPERATING A PREMIX BURNER, AND A PREMIX BURNER FOR CARRYING OUT THE METHOD
The invention discloses a method for operating a premix burner for gaseous fuels, having a multi-stage pilot gas system (8), the diffusion fuel of which is injected into a flame chamber (4) of the premix burner as at least two partial flows (26,28) with different orientations, and a premix burner for carrying out the method.
The invention relates to a turbine rotor (1) for a gas turbine, with a compressor housing (11), which is in one part or divided in a first plane, a turbine housing (12), which is connected with the compressor housing (11) and in one part or divided in a second plane, which is different from the first plane. The turbine rotor (1) comprises a compressor region, composed of at least two compressor disks (2.1 - 2.5) and a turbine region with at least one turbine disk (13.1, 13.2). The compressor disks and the turbine discs are braced by means of a tie rod arrangement with at least one tie rod (6), which has at least one first fastening region, a second fastening region for bracing at least two compressor disks between the first and the second fastening region, and a third fastening region for bracing at least one turbine disk.
A turbo engine comprises: An outer housing (2) with an inner housing (6) arranged therein, in particular a guide vane carrier with an impeller shaft (10) arranged therein; a cover (4; 8) which is attached to the outer housing (2) and which separates an inlet pressure (p1) in the interior of the outer housing (2) from an ambient pressure (pu) outside of the outer housing; and a compensating piston gasket (22) for contactless sealing of an outlet pressure (p2) in a working chamber defined between the impeller shaft (10) and the inner housing (6), in particular a compression chamber (16), against the inlet pressure (p1), wherein the compensating piston gasket (22) is attached to the cover (4; 8).
The invention relates to a cover disk (1) for a closed impeller of a radial or diagonal turbomachine for the definition of a flow channel, having a wall thickness that has a local maximum along the profile center line of the meridian cross-section of the cover disk between a first and a second front (2, 3) of the cover disk, wherein an outer surface (1.2) of the cover disk facing away from the flow channel has a convex curvature with a radius (R2.2) in the region of said local maximum, the ratio (R2.2/D2) of which to an outside diameter (D2) of the impeller is in a range of 0.05 to 0.5 (0.05 ≤ R2.2/D2 ≤ 0.5).
The invention relates to an inlet connecting piece for an axial-flow compressor, especially a turbocompressor, comprising an inlet housing (1) containing a bearing housing (2) comprising a bearing (3), especially a radial and/or axial bearing, for a rotor. The bearing housing (2) is connected to the inlet housing (1) via an inlet strut (4) which is connected to the inlet housing in a front cross-section. The central bearing point of the bearing (3) is located in the flow direction of a fluid to be compressed, axially behind the centroid of the front cross-section, at least by 0.1 times the chord length of the front cross-section, especially at least by 0.15 times same, especially at least by 0.2 times same, and especially at least by 0.25 times same. Additionally or alternatively, a fluid passage (5, 6) is formed in the inlet strut, said fluid passage (5, 6) forming an acute angle with a normal plane in relation to the longitudinal axis of the inlet connecting piece, at least in sections.
The invention relates to a condensation steam turbine comprising a condensate store (1) for storing condensed working fluid (10) of the condensation steam turbine, and a level detection device for detecting the level in the condensate store. The level detection device comprises a first pressure detection device (2) for detecting a first pressure (P1) of the condensed working fluid (10) at a first height in the condensate store; a second pressure detection device (3) for detecting a second pressure (PO) above a second height in the condensate store; and an evaluation device for forming the differential pressure (ΔP) between the first pressure and the second pressure and for emitting an output signal corresponding to said differential pressure.
F01K 9/02 - Arrangements or modifications of condensate or air pumps
F28B 9/08 - Auxiliary systems, arrangements, or devices for collecting and removing condensate
F28B 11/00 - Controlling arrangements with features specially adapted for condensers
G01F 23/00 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
G01F 23/16 - Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
G01F 23/18 - Indicating, recording, or alarm devices actuated electrically
G05D 9/12 - Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
The invention relates to a multi-component bladed rotor (1) for a turbomachine, especially a gas or steam turbine or an axial-flow compressor. Said rotor comprises at least two disks (2), the facing front sides of said two disks being connectable in a parting plane, in an especially positive, rotationally fixed manner. A groove (10) is formed in the parting plane, for receiving a blade footing (14) of at least one rotor blade.
The invention relates to a method for producing a component for a heat engine, especially for producing a component for a turbine, a compressor or an expander, according to which a blank of the component is machined by erosion at least in sections, and the surface produced by erosion is finished by barrel polishing and/or electropolishing in such a way that the recast layer created by the erosion is completely removed at least in sections. The invention also relates to a component for a heat engine, produced by means of said method.
A sealing segment is disclosed for sealingly connecting two adjacent components which can be moved relative to one another, having two sealing bodies which are connected to one another via a web and can be arranged in recesses of the components in an articulated manner; a sealing-segment arrangement is also disclosed, having a multiplicity of sealing segments of this type; and a turbomachine is also disclosed, having a sealing-segment arrangement of this type.
patents
