Patents Assigned to Siemens Energy Global GmbH & Co. KG
  • Controller and method
    Patent number: 11746712
    Abstract: A controller for a gas turbine, wherein the gas turbine includes the compressor arranged to operate at a rotational speed n, the combustor and the fuel supply including the first fuel supply and the second fuel supply, wherein the compressor is arranged to provide air to the combustor at a steady state air mass flow rate mss and wherein the fuel supply is arranged to supply fuel at a fuel mass flow rate mtotal to the combustor. The controller is arranged to, responsive to a load change ?L to the load L, control the compressor to provide air to the combustor at a new air mass flow rate mTR, wherein the new air mass flow rate mTR is within a range between a first threshold mLBO and a second threshold mSUR.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: September 5, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventor: Vili Panov
  • Seal for combustion apparatus
    Patent number: 11746667
    Abstract: A seal for sealing a gap in a combustion apparatus of a gas turbine between a first side and an opposite second side. The seal includes a steel strap with a flat shape and a first metal web with a flat shape attached to the steel strap on the first side and a second metal web attached to the steel strap on the second side. Thereby the seal has a seal thickness with at least the steel strap plus the first metal web plus the thickness of the second metal web, wherein the seal thickness is at most 0.2-times of width of the seal. The new seal has an Omega shape of the second metal web, which is therefore attached on both sides with a flat shaped portion to the steel strap.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: September 5, 2023
    Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
    Inventors: Markus Raben, Kunyuan Zhou, Wojciech Dyszkiewicz, Adam J. Weaver, Robert H. Bartley, James Bertoncello, Mahmut Faruk Aksit, Ertugrul Tolga Duran, Erdem Gorgun, Sadik Hazer, Ali Ihsan Yurddas
  • Motor apparatus for a switch drive of an electrical switch
    Patent number: 11742783
    Abstract: A motor apparatus for a switch drive of an electric switch has an electric motor and a control apparatus for controlling the electric motor. The control apparatus has a power supply device for the electrical power supply of the electric motor. The electric power supply has a rectifier unit, a voltage measurement unit for detecting the supply voltage or a rectifier output voltage of the rectifier unit, a switch unit for generating a drive voltage for the electric motor from the supply voltage or from the rectifier output voltage, and a control unit for controlling the switch unit as a function of the supply or rectifier output voltage detected. Accordingly, the motor apparatus has a motor housing which, besides the electric motor, houses part of the power supply device and/or at least part of the control unit.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: August 29, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Thomas Hilker, Lutz-Ruediger Jaenicke
  • Turbine stage platform with endwall contouring incorporating wavy mate face
    Patent number: 11739644
    Abstract: A turbine stage includes a first airfoil and a second airfoil extending respectively from a first platform and a second platform that form an endwall for a flow passage. The endwall has a nominal surface that is axisymmetric about an axis of the turbine stage. The endwall further includes at least one contoured region that is non-axisymmetric with respect to the axis. The at least one contoured region extends from the first platform to the second platform across a platform splitline. The global maximum variation in elevation ?EW of the endwall is at least 3% of an axial chord length L of the airfoils on the endwall. The maximum variation in elevation ?MF at the mate facea of the platforms lies in the range 15-60% ?EW.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: August 29, 2023
    Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
    Inventors: Ross Gustafson, Li Shing Wong, Farzad Taremi
  • Strut cover for a turbine
    Patent number: 11739658
    Abstract: A turbine operable to convey a flow of exhaust gas along a central axis includes a strut having a flow portion positioned within the flow of exhaust gas and a strut cover having a length and positioned to surround the flow portion of the strut, the strut cover including a leading-edge portion, a mid-chord portion, and a trailing-edge portion. The mid-chord portion has a uniform cross-section, and the trailing-edge portion has a trailing-edge center positioned such that the mid-chord portion and the trailing-edge portion define a master chord plane. The leading-edge portion defines a leading-edge nose, and the leading-edge portion is twisted with respect to the master chord plane and the leading-edge nose along the length defines a curve that is not coincident with the master chord plane.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: August 29, 2023
    Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
    Inventors: Horia Flitan, Farzad Taremi, Li Shing Wong, Ross Gustafson
  • ENERGY DISTRIBUTION SYSTEM
    Publication number: 20230268733
    Abstract: An MV DC electrical energy distribution system includes two or more MV DC buses, coupled together in normal operation by a solid state switch. Each MV DC bus is adapted to be electrically coupled to one or more consumers. Each MV DC bus is coupled to one or more MV DC energy storage devices. The MV DC energy storage devices each have a plurality of LV energy storage stacks connected together in series. Each MV DC energy storage device uses a power control unit to distribute the power between different MV DC energy storage strings or to control the power of each MV-energy storage devices individually.
    Type: Application
    Filed: July 21, 2021
    Publication date: August 24, 2023
    Applicants: Siemens Energy Global GmbH & Co. KG, Siemens Energy AS
    Inventors: Oliver Reimann, Wolfgang Voss
  • Installation comprising an auxiliary module
    Patent number: 11732617
    Abstract: An installation with a steam turbine, a steam generator, and also a condenser, the steam generator being connected in terms of flow to an inlet of the steam turbine, and an outlet of the steam turbine being connected to the condenser, with the condenser being connected to the steam generator. A booster is arranged in a steam line that leads into the steam turbine in which an oxyhydrogen reaction takes place, the resulting steam being fed to a steam turbine.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: August 22, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventor: Norbert Sürken
  • Turbomachine inner housing
    Patent number: 11732720
    Abstract: A turbomachine inner housing for a radial turbomachine, wherein the turbomachine inner housing includes a partial joint along a longitudinal axis, in particular a rotor longitudinal axis, such that the turbomachine inner housing can be divided into a lower part and an upper part, wherein the turbomachine inner housing is designed for a radial turbomachine with at least two stages, wherein the turbomachine inner housing has a return stage in each case between two stages, wherein the lower part and/or the upper part is designed in one piece so as to span at least two stages at least in sections. In order to improve a turbomachine inner housing of this kind, the lower part and/or the upper part is designed in one piece so as span at least two stages at least in sections.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: August 22, 2023
    Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
    Inventors: Dieter Nass, Shahrouz Nejati-Rad, Kai Schickmann
  • Method and device for testing a component non-destructively
    Patent number: 11733211
    Abstract: A method for testing a component non-destructively, particularly for internal defects, includes the following steps: a) providing a rotationally symmetrical component having a plurality of preferably cylindrical recesses, which are arranged at one or more hole circles, b) arranging a transmitter probe serving as an ultrasound transmitter and a receiver probe serving as an ultrasound receiver spaced apart from each other outside the component such that ultrasound waves can be irradiated into a shaded area located behind one of the recesses in the component by the transmitter probe and ultrasound waves which are diffracted at least at one defect present in the shaded area can be received by the receiver probe, and c) using time of flight to determine whether one or more faults are present in the shaded area. An apparatus carries out such a method.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: August 22, 2023
    Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
    Inventors: Philipp Kahlert, Michael Opheys, Andreas Sperling
  • Power converter arrangement and control method therefor
    Patent number: 11735996
    Abstract: A method controls a converter assembly which has a line-commutated converter. The line-commutated converter has an alternating voltage terminal which can be connected via a phase conductor to an alternating voltage network. The converter assembly further has a switch module branch which is arranged serially in the phase conductor and which contains a series circuit of switch modules at each of the terminals of which bipolar voltages can be generated which add up to a branch voltage. A connection voltage to a connection point between the switch module branch and the converter is controlled by adjusting an amplitude of a positive sequence component of the branch voltage. The converter assembly is configured to carry out a control method for controlling the converter assembly.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: August 22, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Sanad Al-Areqi, Adnan Chaudhry, Stefan Hammer, Volker Hussennether
  • METHOD FOR PARTIAL DISCHARGE RECOGNITION IN HIGH VOLTAGE APPLICATIONS AND UNIT USING THE METHOD
    Publication number: 20230258706
    Abstract: A method for partial discharge recognition in high voltage applications and a high voltage unit using the method, includes the steps of detecting a signal, transforming the signal from time to frequency domain, cutting frequencies above a defined threshold, and retransform the truncated signal from frequency to time domain. The information content of detected and truncated signals is determined and compared.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 17, 2023
    Applicant: Siemens Energy Global GmbH & Co. KG
    Inventor: Fabrizio Negri
  • COMPUTER-IMPLEMENTED, ADAPTED ANOMALY DETECTION METHOD FOR POWDER-BED-BASED ADDITIVE MANUFACTURING
    Publication number: 20230260103
    Abstract: A computer-implemented anomaly detection method in powder-bed-based additive manufacture of a workpiece includes (i) providing an image data set and applying a Principal Component Analysis to said image data to compute a number of image clusters, (ii) applying a clustering algorithm to the analyzed image data and computing respective cluster centroids, (iii) comparing the computed cluster centroids with a set of reference anomaly centroids, wherein based on a match of cluster centroids with the reference, the image data is segmented layerwise into cluster images of a specific anomaly, (iv) transforming the segmented images into a defined color space, such as a Lab color space or greyscale spectrum, and, (v) integrating a pixel information of the transformed segmented cluster images to compute a threshold value for the image data set in order to determine a respective anomaly.
    Type: Application
    Filed: May 5, 2021
    Publication date: August 17, 2023
    Applicant: Siemens Energy Global GmbH & Co. KG
    Inventors: Hamid Jahangir, Vivian Schiller
  • ROTOR ARRANGEMENT FOR A ROTOR OF A GAS TURBINE
    Publication number: 20230258096
    Abstract: A rotor arrangement for a rotor of a gas turbine includes at least one rotor disk with attachment slots for carrying rotor blades and an annular groove having an annular opening towards the outward direction; and rotor blades having an airfoil and a blade root and assembled in an attachment slot. Each of the assembled blade roots have a root extension with a root groove. The root groove faces the annular groove when the rotor blade is assembled in the attachment slot. For each assembled rotor blade a locking element is provided, the locking element engaging the annular groove of the rotor disk and the root groove of the respective rotor blade. Preferably all locking elements are embodied as a locking sheet metal strip, which has two bended tongues embracing the respective root extension.
    Type: Application
    Filed: February 5, 2023
    Publication date: August 17, 2023
    Applicant: Siemens Energy Global GmbH & Co. KG
    Inventors: Otto Jörgensson, Janos Szijarto
  • Compressor rotor having seal elements
    Patent number: 11725665
    Abstract: A compressor rotor for turbomachinery, such as a compressor, is provided. Disclosed embodiments can benefit from seal elements that may be arranged to inhibit passage onto respective hirth couplings of process fluid being processed by the compressor. A seal element may be affixed to adjacent rotor components (e.g., adjacent impeller bodies) by way of a slip or interference fit connection to one of the adjacent components and may be affixed to the other adjacent rotor component by way of a elastically flexible frustoconical inner surface of the seal element that permits the seal element to be placed in a spring-loaded condition, which generates a biasing force to circumferentially clamp onto a frustoconical outer surface of the other adjacent rotor component. This arrangement is conducive to user-friendly assembly/disassembly of the seal elements with respect to the adjacent rotor components.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: August 15, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventor: Kevin Miny
  • Radiator for cooling a transformer or a choke, unit including a transformer or a choke and method for producing a radiator
    Patent number: 11728086
    Abstract: A radiator for cooling a transformer, preferably a power transformer, or a choke, includes a plurality of plate-shaped radiator elements which are disposed parallel to one another and through which a coolant can flow in parallel. At least one elastically deformable element is provided at least between two adjacent radiator elements and is constructed in such a way that it counteracts an expansion of the radiator elements perpendicular to the surface of the radiator elements. Plastic deformation of the walls of the radiator elements can be prevented by the elastically deformable elements. A unit including a transformer or a choke and a method for producing a radiator are also provided.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: August 15, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Peter Hamberger, Harald Mayer, Markus Stockner, Anel Hrustic
  • Method to increase the thermal stress capability of a porous ceramic coating and a layer system
    Patent number: 11725268
    Abstract: A method to increase the thermal stress capability of a porous TBC and layer system. Due to a post treatment step to a pose TBC coating cracks are produced inside the post TBC advantages manner to increase the thermal stress capability of the ceramic coating by only heating the surface of the ceramic coating.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: August 15, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Peter Stuart Hollingsworth, Alexandr Sadovoy, Dimitrios Zois
  • Method and device for removing and/or installing an annular component
    Patent number: 11725541
    Abstract: A device for removing and/or installing an annular component, which is arranged at a position within a turbine housing, which position is accessible via an access point of the turbine housing. A method for removing and for installing a component of this type by a device of this type.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: August 15, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Dirk Müller, Christian Kowalzik
  • Repair of coated components using design adaptation
    Patent number: 11724343
    Abstract: A method for repairing an at least externally coated hollow component. The direct mechanical machining of a coated component after use removes the need for a coating-removal and selective hollowing step and a selective repair of cracks, since a design adaptation leads to a component being engineered or used such that it can be used again as a result of external dimensional stipulations.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: August 15, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Heiko Lammers, Daniel Vöhringer
  • Electric device with pressing plates for clamping a magnetizable core
    Patent number: 11721471
    Abstract: An electric device, for example a track transformer, connects to a high-voltage line. The electric device has a magnetizable core, at least one winding which is arranged in the vicinity of the core, and a housing which is filled with an insulating fluid and in which at least one winding is arranged. The core is arranged at least partly outside of the housing. In order to allow a stable mounting of a core formed of two halves, the core is arranged completely between two opposing pressing plates, between which tension elements for clamping the core extend.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: August 8, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Stephan Voss, Joerg Froehner, Jonas Claus, Julian Kraus, Markus Baumann
  • Coolable component for a streaming engine
    Patent number: 11713684
    Abstract: A coolable component for a streaming engine providing an improved cooling, wherein the coolable component includes an outer wall providing an outer surface adapted to be in contact with a hot fluid like a hot gas stream used in the streaming engine or to be coated with a coating that is adapted to be in contact with the hot fluid, wherein the outer surface is at least partially curved. The coolable component includes at least one cooling channel inside the outer wall adapted to guide a cooling fluid through the cooling channel to cool the outer wall during operation of the streaming engine, wherein the cooling channel is adapted to provide a convection cooling of the outer surface.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: August 1, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Mats Annerfeldt, Mats Kinell, Rickard Magnéli