Abstract: By applying material on only one side in the case of a revision, seal rings can be easily rebuilt and reused.

Abstract: A method for checking a steam turbine, wherein a first operating variable and a second operating variable are determined, wherein a correlation between the first and second operating variable prevails, and a confidence band having an upper maximum value and a lower minimum value is created, wherein a notification is generated as long as the second operating variable is outside the confidence band during operation.

Abstract: Provided is a sealing component, in particular for sealing a vapor chamber with respect to the surroundings or two vapor chambers having different pressures, including at least one ring- or ring-segment-shaped main body, which is at least substantially U-shaped in cross-section and which has two end-face walls and a lateral wall connecting the two end-face walls, a support structure being provided within the main body, which support structure connects the two end-face walls to each other.

Abstract: By applying material on only one side in the case of a revision, seal rings can be easily rebuilt and reused.

Abstract: A method is provided for carrying out a sound test for detecting and/or analyzing material faults and/or mounting faults of at least one component, in which the component is excited, by striking, to experience vibrations which generate soundwaves, after which the generated soundwaves are detected and conclusions are drawn about material faults and/or mounting faults on the basis of the detected soundwaves, wherein the striking of the component and the detection of the vibrations are carried out using an endoscope device. In addition, embodiments of the present invention relates to an endoscope device which is configured to carry out the method.

Abstract: A method for operating a condenser, wherein the condenser is designed for condensing water vapor to form water and during operation a condensate having water accumulates in the condenser, wherein on the condensate surface a plurality of floating bodies are arranged on the condensate, wherein the floating bodies float on the condensate, wherein a large number of floating bodies are used in such a way that the condensate surface is covered, wherein the floating bodies are of spherical and/or sphere-like design, and wherein floating bodies with different sizes are used.

Abstract: A method is provided for carrying out a sound test for detecting and/or analyzing material faults and/or mounting faults of at least one component, in which the component is excited, by striking, to experience vibrations which generate soundwaves, after which the generated soundwaves are detected and conclusions are drawn about material faults and/or mounting faults on the basis of the detected soundwaves, wherein the striking of the component and the detection of the vibrations are carried out using an endoscope device. In addition, embodiments of the present invention relates to an endoscope device which is configured to carry out the method.

Abstract: A steam turbine system including a steam turbine which has a turbine housing and at least one turbine shaft accommodated in the turbine housing and sealed by seals, a condenser connected fluidically to the steam turbine, an evacuation unit connected fluidically to the condenser, and a dry air source which is connected fluidically to the steam turbine, wherein the steam turbine system is designed in such a way that the evacuation unit is optionally fluidically connectable to the dry air source. A method for preserving components of a steam turbine system to prevent idle-state corrosion is also provided, which the steps: shutting down a steam turbine of the steam turbine system and sucking dry air into the steam turbine using an evacuation unit which additionally functions during intended operation of the steam turbine to exhaust a resulting amount of gas into a condenser.

Abstract: A method for repairing a blade row, wherein the blades have cover plates and a disruptive gap has occurred between the cover plates, wherein in a first method step, a bracing element is arranged in the gap between the cover plates and, in a second method step, the element and the plates are welded together.

Abstract: A turbomachine including a rotor and an inner interior housing an outer interior housing and an exterior housing, wherein the turbomachine has a first flow and a second flow arranged opposite the first flow for a high-pressure blading or medium-pressure blading, wherein the inner interior housing is made of a higher quality material tan the outer interior housing and solely accommodates the high-pressure and medium-pressure inflow regions including the balance piston is provided.

Abstract: A turbomachine comprising a rotor, an inner housing, and an outer housing is proposed. The inner housing is arranged around the rotor and the outer housing is arranged around the inner housing, An encapsulation is arranged around the inner housing. An annular channel and holes into a chamber are provided between the encapsulation and the inner-housing outer surface, and steam flows out again via holes which are situated in the encapsulation.

Abstract: A turbomachine including a rotor and an inner interior housing an outer interior housing and an exterior housing, wherein the turbomachine has a first flow and a second flow arranged opposite the first flow for a high-pressure blading or medium-pressure blading, wherein the inner interior housing is made of a higher quality material tan the outer interior housing and solely accommodates the high-pressure and medium-pressure inflow regions including the balance piston is provided.

Abstract: A steam turbine has a two-shell housing, including an outer casing and an inner casing arranged therein, as well as a pipe that extends through the outer casing for supplying and/or removing steam to or from the inner casing, the pipe being provided with a pair of apertures arranged opposite each other on the inner casing. According to the invention, a first steam supply or discharge pipe can be connected to a first aperture, and the second aperture is closed by a cover.

Abstract: A three-shell steam turbine is provided. The three-shell steam turbine includes an outer housing, an outer inner housing and an inner inner housing, wherein the outer inner housing is arranged around the inner inner housing, in such a way that a cooling steam chamber is formed in between and a flow duct is formed between the outer inner housing and the rotor.

Abstract: A turbomachine comprising a rotor, an inner housing, and an outer housing is proposed. The inner housing is arranged around the rotor and the outer housing is arranged around the inner housing, An encapsulation is arranged around the inner housing. An annular channel and holes into a chamber are provided between the encapsulation and the inner-housing outer surface, and steam flows out again via holes which are situated in the encapsulation.

Abstract: A steam turbine has a two-shell housing, including an outer casing and an inner casing arranged therein, as well as a pipe that extends through the outer casing for supplying and/or removing steam to or from the inner casing, the pipe being provided with a pair of apertures arranged opposite each other on the inner casing. According to the invention, a first steam supply or discharge pipe can be connected to a first aperture, and the second aperture is closed by a cover.

Abstract: The invention relates to a turbine machine, in particular, a steam turbine, comprising an inner housing, a turbine shaft, mounted such as to rotate, characterized in that the inner housing and the turbine shaft are produced from differing materials. The turbine is made from a chrome steel with 9 to 12 wt. % of chromium and the inner housing from a chrome steel with 1 to 2 wt % of chromium.

Abstract: The invention relates to a turbine machine, in particular, a steam turbine, comprising an inner housing, a turbine shaft, mounted such as to rotate, characterized in that the inner housing and the turbine shaft are produced from differing materials. The turbine is made from a chrome steel with 9 to 12 wt. % of chromium and the inner housing from a chrome steel with 1 to 2 wt % of chromium.

Abstract: In a machine having a shaft with a shaft axis, an outer region, and a shaft seal, a component is provided for the shaft seal. The component has a cast part formed of a first metallic material directed along the shaft axis and has an inner wall shaped, at least in regions, in a circumferential direction relative to the shaft axis, and an outer wall directed towards the outer region. A fluid guide is disposed and formed in the cast part and runs in the circumferential direction, at least in regions, and opens into the inner wall. At least one fluid conduit formed of a second metallic material fluidically connects the inner wall to the outer region. The fluid conduit is also fluidically connected to the fluid guide.

Abstract: A turbine shaft for a steam turbine, in particular having a high-pressure and an intermediate-pressure turbine section. The turbine shaft has in its interior a cooling line for passing cooling steam. The cooling line is connected, on the one hand, to an outflow line and, on the other hand, to an inflow line. In this way, steam cooling of the turbine shaft can be achieved by feeding steam from the high-pressure turbine section via the inflow line to the intermediate-pressure turbine section through the outflow line. The invention also relates to a method of cooling a turbine shaft of a steam turbine.