Patents Assigned to General Electric Technology GmbH
  • Patent number: 10145626
    Abstract: A heat recovery steam generator (“HRSG”) includes a first casing having an interior enclosing at least one duct for gas to flow therein along a gas flow axis. Each duct is defined by duct defining members that are spaced apart from each other and extend into the interior of the first casing. A plurality of stiffening members are elongated along the gas flow axis. Each of the stiffening members are positioned between two of the duct defining members. The stiffening members and duct defining members have a substantially similar coefficient of thermal expansion.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: December 4, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Donald Richard Palmer, Richard F. Moore, Ashok Prabhu
  • Patent number: 10137512
    Abstract: The invention relates to a groove cutting tool having: a body and a holder wherein the holder is slidably mounted in the body. The holder has a first end at which a blade is mounted and a second end, distal in a slidable direction of the holder, from the first end. A drive pinion, located towards the second end, is configured to be in rotational communication with the blade.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: November 27, 2018
    Assignee: General Electric Technology GmbH
    Inventors: Torsten Schmidt, Marco Haake, Nebojsa Huskovic
  • Patent number: 10126021
    Abstract: Provided are metal-ceramic coatings for heat exchanger tubes of a central solar receiver and methods of preparing the same. The metal-ceramic coatings comprise at least one ceramic phase dispersed in a metal matrix and are disposed along the heat exchanger tubes to improve heat transfer and reduce oxidation of the heat exchanger tubes. Methods of preparing the metal-ceramic coatings and systems for using the same are provided.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: November 13, 2018
    Assignee: General Electric Technology GmbH
    Inventors: Hans-Peter Bossmann, Maryam Bahraini Hasani
  • Patent number: 10128717
    Abstract: The present disclosure relates to a ring for a rotor of an electric machine as a support for a retaining ring and for cooling coils of the rotor. It is an object of the invention to provide measures for cooling coils of a rotor of an electric machine. Disclosed is a ring for an electric machine, the ring is connected between a retaining ring and coils wound around a rotor, whereas the ring is fabricated from a non-conductive material.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: November 13, 2018
    Assignee: General Electric Technology GmbH
    Inventors: Sayantan Bhar, Janusz Bialik, Henrik Overstam, Omed Rawandi
  • Patent number: 10128655
    Abstract: A system tool merges different load forecasts for power grid centers. A plurality of load forecast engines are coupled to a load forecast interface and a relational data base that saves load forecast engine data as an input through the load forecast interface. A comprehensive operating plan is coupled to the load forecast engines and the relational database. The comprehensive operating plan is configured to integrate individual load forecasts into a composite load forecast to present a comprehensive, synchronized and harmonized load forecast. A program interface provides access to the composite load forecasting schedule.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: November 13, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: David Sun, Kwok Cheung, Kenneth Chung, Tory McKeag
  • Patent number: 10121349
    Abstract: One or more embodiments of the disclosure pertain to a protection and diagnostic system that can generate a trip/alarm signal by executing a diagnostic procedure upon a machine that includes a rotating part. The diagnostic procedure can include using sensors to obtain performance parameters of various tagged critical and/or less critical sub-systems of the machine when the rotating part is rotating; determining, in real time, a system performance index of the machine based on the performance parameters; using a protection model to determine a sub-system performance index associated with at least one tagged sub-system of the machine; determining an asset health index based on combining the system performance index and the sub-system performance index; and generating the trip/alarm signal when the asset health index exceeds a threshold value. The protection system can include a protection device configured to receive the trip signal and execute a protective action upon the machine.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: November 6, 2018
    Assignee: General Electric-Technology GMBH
    Inventors: Balakrishna Pamulaparthy, Balamourougan Vinayagam, Madu Thirugnanasam Moorthy, Mitalkumar Kanabar, Vijayasarathi Muthukrishnan
  • Patent number: 10115546
    Abstract: A current-interrupter device (1) comprising a circuit breaker (2) including a first stationary conductive support (4) carrying both a stationary arcing contact (14) and a movable arcing contact (16), and also carrying a movable permanent contact (17), the movable arcing contact (16) and the movable permanent contact (17) being electrically connected to the first stationary support (4), and a disconnector (3) including a second stationary conductive support (6) carrying a disconnector contact (18), and wherein: the movable disconnector contact (18) is in contact with the stationary arcing contact (14) when it is closed and spaced apart from the stationary arcing contact (14) when it is open; and the movable disconnector contact (18) and the movable permanent contact (17) are connected to each other when they are both in the closed position, and they are spaced apart from each other when one or the other is open.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: October 30, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Didier Rodrigues, Denis Frigiere, Jean Marc Willieme, Frank Jacquier
  • Patent number: 10116165
    Abstract: Various aspects of the disclosure provide for an integrated system to facilitate operational and supervisory functions for transmission and distribution power grids. The system can facilitate switching operations for the power grid as well as providing an integrated planning, scheduling, and logging of power grid supervisory functions in order to reduce human error, improve labor efficiencies, and provide tools to assist in daily work plan assignments. The system includes modules to assist with outage and switching management, as well as modules for daily operation planning, work assignment planning, interruption tracking and analysis, and logging and recordkeeping.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: October 30, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Reynaldo Bernal, John Wulf, Ali Sadjadpour, Tory McKeag
  • Patent number: 10113989
    Abstract: The present invention relates to a method for measuring a concentration of sulphite in a substance in a gas cleaning process, the method comprising the steps of sending a plurality of voltage pulses through the substance by a first electrode (11) and a second electrode (20), which first and second electrodes (11, 20) are in contact with the substance, receiving current responses generated by the plurality of voltage pulses, and analyzing the current responses using a multivariate data analysis for calculation of the concentration of sulphite in the substance. The present invention further relates to a sulphite sensor (1) for performing such a method.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: October 30, 2018
    Assignee: General Electric Technology GmbH
    Inventors: Fredrik Jens Brogaard, Mikael Larsson, Fredrik Winquist
  • Publication number: 20180306441
    Abstract: A method for operating a combustion chamber is provided. The method includes introducing a fuel into the combustion chamber via a plurality of nozzles, each nozzle having an associated stoichiometry for an output end of the nozzle. The method further includes measuring the stoichiometry of each nozzle via one or more sensors to obtain stoichiometric data, and determining that at least one of a frequency and an amplitude of spectral line fluctuations derived from the stoichiometric data has exceeded a threshold. The method further includes adjusting the stoichiometry of at least one of the nozzles based at least in part on the stoichiometric data so as to maintain a flame stability of the combustion chamber.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 25, 2018
    Applicant: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: CARL BOZZUTO, CARL NEUSCHAEFER
  • Patent number: 10092872
    Abstract: The invention refers to an arrangement of a valve and a pressure vessel. The valve has a housing with at least an opening, a plunger slideably positioned in the housing, a control mechanism to cause plunger movement. The pressure vessel has an exterior surface with at least an opening. The valve is connected to the at least an opening of the pressure vessel. The plunger has at least a first part with a larger size and a second part with a smaller size. The first part of the plunger is positioned outside of the pressure vessel in all valve configurations.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: October 9, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventor: Per-Erik Albert Appelo
  • Patent number: 10096238
    Abstract: Aspects of interaction with multidimensional information for an energy system are disclosed. The use of multidimensional information in a graphical user interface can facilitate efficient communication of information related to energy systems. Energy system information can be classified. A multidimensional information interface can include a plurality of rows and a plurality of columns populated with tokens representing energy system information, based on the classification of the energy system information. The tokens can be selectable tokens such that selection of tokens can be related to accessing detailed information related to the token. In some embodiments, indicators, particularly visual indicators, can be employed to convey additional information, such as counts, selection status, sums of rows or columns, etc. Further, augmentation effects can be employed to facilitate access to an additional layer of information, such as freshness of a token, acknowledged tokens, etc.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: October 9, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Gregory Boyd Manning, Gennaro Castelli, Michael Quinn Howard
  • Patent number: 10088157
    Abstract: A gas outlet monitoring system for a boiler system includes a gas probe(s) with a plurality of gas sensing locations wherein each location measures a plurality of parameters of the gas flow, such a oxygen concentration and temperature. The multi-sensor probe includes a tubular lance and a plurality of sensor pods spaced along the lance. Each sensor pod has an oxygen sensor disposed in a first port, and a first temperature sensor disposed in a second port. An enclosure is disposed at one end of the tubular lance. The enclosure has a respective pressure sensor for each oxygen sensor port. A plurality of first tubes passes through the lance between the enclosure and the first port of a respective sensor pod to provide a gas to the respective first port for the purpose of providing cleaning air.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: October 2, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: James P. Sutton, Rebecca Lynn Tobiasz, David J. Matteson, Allan Gunn Ferry, Robert Federick Murphy, Christopher Daniel Curl
  • Patent number: 10090830
    Abstract: An apparatus and methods of breaking a circuit using a switch are disclosed. In an example, a variable voltage is applied across a switch, which comprises a series connection of switching elements which are individually controllable between a blocking state and a conductive state. The state of the switching elements is controlled such that at least a portion of switching elements are in the blocking state, and fewer switching elements are in the blocking state when the applied voltage magnitude is low than when the applied voltage magnitude is high.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: October 2, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Konstantin Vershinin, Jonathan Nicholls
  • Patent number: 10082443
    Abstract: A system for monitoring the health of one or more bearings of a journal assembly is provided. The system includes a split spacer, one or more vibration sensors, a speed sensor, and a controller. The split spacer is configured to be disposed on a shaft of the journal assembly, the shaft is configured to support the bearings. The vibration sensors are configured to detect vibrations emitted by the bearings. The speed sensor is configured to measure the rotational speed of the bearings. The controller is configured to electronically communicate with the vibration sensors and the speed sensor and calculate a health status of the bearings. The split spacer includes two portions that define a cavity configured to abut the shaft so as to allow the vibration sensors to be disposed inside the split spacer and next to the one or more bearings.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: September 25, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Mark Andrew Fuller, Joseph David Bianca, Alexis Paige Decasse, Kaz Chmlelowiec
  • Patent number: 10082810
    Abstract: Embodiments of the disclosure pertain to a voltage regulator system having a voltage regulation controller and a transformer assembly. The transformer assembly includes a coil winding, a multi-contact tap arrangement connected to the coil winding, and a multifurcated tap changer system that includes a first tap changer having a contactor element which makes contact with a first contact of the multi-contact tap arrangement when the controller provides a positioning stimulus based on sensing a voltage deviation from a nominal output voltage of the voltage regulator system. The multifurcated tap changer system further includes a second tap changer that is mechanically ganged to the first tap changer and includes another contactor element arranged to automatically make contact with a second contact of the multi-contact tap arrangement when the contactor element of the first tap changer makes contact with the first contact of the multi-contact tap arrangement.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: September 25, 2018
    Assignee: General Electric Technology GMBH
    Inventor: Thomas Ambrose Dauzat
  • Publication number: 20180257085
    Abstract: A system for adjusting a depth of a material bed in a pulverizer mill is provided. The system includes a rotatable bowl, an extension ring, and an extension mechanism. The rotatable bowl has a surface operative to support the material bed while the bowl rotates such that particles of the material bed are pulverized against the surface by one or more grinding rollers of the pulverizer mill. The extension ring is disposed about a circumference of the rotatable bowl extending away from the surface and defines a depth of the material bed. The extension mechanism adjusts at least one of the extension ring and the rotatable bowl while the rotatable bowl rotates. Adjusting at least one of the extension ring and the rotatable bowl via the extension mechanism moves the extension ring in relation to the surface so as to adjust the depth of the material bed.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 13, 2018
    Applicant: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventor: PAUL MACKENZIE COLSON
  • Patent number: 10072505
    Abstract: A turbine blade having a root and a tip and an airfoil with a core section made of composite material and a protective sheath or layer joined to the composite core at a location or locations exposed to erosion is described with the composite core of the airfoil being continuous from a location in vicinity of the root to a location in vicinity of the tip of the blade and including a section which widens with distance from the rotational axis along the length of the airfoil and which ends at the location in vicinity of the tip of the blade. The protective sheath or layer is secured by interference fit with widening section of the core.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: September 11, 2018
    Assignee: General Electric Technology GmbH
    Inventors: Rolf Hunziker, Said Havakechian
  • Patent number: 10072532
    Abstract: A method for starting-up a steam turbine of a combined-cycle power plant is provided. The combined-cycle power plant includes a gas turbine and a steam power generation system having a steam turbine. The combined-cycle power plant activates at least one electric generator connectable to an electric grid. The gas turbine includes a compressor, such that, during starting-up of the steam turbine, both the gas turbine and the steam turbine are in operation. The steam turbine adjusts its load as a function of the load of the gas turbine in such a way that the sum of the load provided by the gas turbine and of the load provided by the steam turbine is equal to the auxiliary power demand of the plant. The load exported to the grid is equal to zero.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: September 11, 2018
    Assignee: General Electric Technology GmbH
    Inventors: Hamid Olia, Jan Schlesier, Michael Breitfeld, Philipp Brunner, Mark Stevens, Michael Caflisch
  • Patent number: 10074983
    Abstract: The technology is generally directed towards characterizing primary frequency response parameters (e.g., frequency response coefficient, inertia, damping, droop) for an interconnection, region, and power plant utilizing phasor measure unit (PMU) data captured during an event (e.g., a generation trip event) that causes an imbalance in the power grid system. Pre-processing of localized PMU based frequency measurements combined with system identification techniques fit the observed frequency response to estimate parameters such as system inertia, frequency response coefficient, turbine time constant, system damping and governor droop that characterize the interconnection-wide frequency response.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: September 11, 2018
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Manu Parashar, Gurudatha Pai, Amarsagar Ramapuram-Matavalam