Patents by Inventor Wolfgang Franz Dietrich Mohr
Wolfgang Franz Dietrich Mohr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240133319Abstract: A system for readying sub-critical and super-critical steam generator, a servicing method of the sub-critical and the super-critical steam generator and a method of operation of sub-critical and super-critical steam generator is provided. The steam generator includes a first auxiliary heating device disposed on at least one water-steam separator for heating the at least one water-steam separator, and/or a second auxiliary heating device disposed at least on a part of furnace top-end piping for heating the furnace top-end piping. The auxiliary heating devices are heating steam producing components of the steam generator and thus allowing to keep them above the temperature in which materials creating the steam producing components are brittle. The method includes recirculation of the water through the steam generator.Type: ApplicationFiled: October 18, 2022Publication date: April 25, 2024Applicant: GENERAL ELECTRIC TECHNOLOGY GMBHInventors: RALPH MAYER, WOLFGANG FRANZ DIETRICH MOHR
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Patent number: 11578656Abstract: Air filtration assemblies configured to provide instant detection of particles and/or improve particle filtration are disclosed. The assemblies may include an air inlet duct in fluid communication with a compressor of a gas turbine system. The air inlet duct may include an inlet for receiving intake air including intake air particles, and an outlet positioned opposite the inlet. The assembly may also include a plurality of vane filters at the inlet, an array of fabric filters positioned in the air inlet duct, downstream of the vane filters, and a silencer assembly positioned in the air inlet duct, downstream of the fabric filters. Additionally, the assembly may include an electrostatic component positioned in the air inlet duct, downstream of the fabric filters. The electrostatic component may be configured to charge the intake air particles that pass through the vane filters and the fabric filters.Type: GrantFiled: January 28, 2020Date of Patent: February 14, 2023Assignee: General Electric CompanyInventors: Wolfgang Franz Dietrich Mohr, Joerg Pfistner, Kamel Tayebi, Murali Krishna Kalaga, Rebecca Evelyn Hefner
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Publication number: 20210231053Abstract: Air filtration assemblies configured to provide instant detection of particles and/or improve particle filtration are disclosed. The assemblies may include an air inlet duct in fluid communication with a compressor of a gas turbine system. The air inlet duct may include an inlet for receiving intake air including intake air particles, and an outlet positioned opposite the inlet. The assembly may also include a plurality of vane filters at the inlet, an array of fabric filters positioned in the air inlet duct, downstream of the vane filters, and a silencer assembly positioned in the air inlet duct, downstream of the fabric filters. Additionally, the assembly may include an electrostatic component positioned in the air inlet duct, downstream of the fabric filters. The electrostatic component may be configured to charge the intake air particles that pass through the vane filters and the fabric filters.Type: ApplicationFiled: January 28, 2020Publication date: July 29, 2021Inventors: Wolfgang Franz Dietrich Mohr, Joerg Pfistner, Kamel Tayebi, Murali Krishna Kalaga, Rebecca Evelyn Hefner
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Patent number: 10577962Abstract: Various embodiments include a system having: a first steam turbine coupled with a shaft; a seal system coupled with the shaft, the seal system including a set of linearly disposed seal locations on each side of the steam turbine along the shaft, each seal location corresponding with a control valve for controlling a flow of fluid therethrough; and a control system coupled with each of the control valves, the control system configured to control flow of a dry air or gas to at least one of the seal locations for heating the system.Type: GrantFiled: September 7, 2016Date of Patent: March 3, 2020Assignee: General Electric CompanyInventors: Wolfgang Franz Dietrich Mohr, Erhard Friedrich Liebig, Kurt Rechsteiner
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Patent number: 10215059Abstract: A system and method for active draft control through a combined cycle power plant (CCPP) can initiate a CCPP shutdown, activate the recirculated exhaust gas (REG) system for the turbomachine; measure a HRSG airflow through the HRSG; communicate the HRSG airflow to a controller configured to condition a control signal; and adjust a recirculated exhaust gas volume in accordance with the control signal.Type: GrantFiled: June 2, 2017Date of Patent: February 26, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Wolfgang Franz Dietrich Mohr, Kurt Rechsteiner, David Martin Johnson, Kenneth Damon Black
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Publication number: 20180347407Abstract: A system and method for active draft control through a combined cycle power plant (CCPP) can initiate a CCPP shutdown, activate the recirculated exhaust gas (REG) system for the turbomachine; measure a HRSG airflow through the HRSG; communicate the HRSG airflow to a controller configured to condition a control signal; and adjust a recirculated exhaust gas volume in accordance with the control signal.Type: ApplicationFiled: June 2, 2017Publication date: December 6, 2018Inventors: Wolfgang Franz Dietrich Mohr, Kurt Rechsteiner, David Martin Johnson, Kenneth Damon Black
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Publication number: 20180066534Abstract: Various embodiments include a system having: a first steam turbine coupled with a shaft; a seal system coupled with the shaft, the seal system including a set of linearly disposed seal locations on each side of the steam turbine along the shaft, each seal location corresponding with a control valve for controlling a flow of fluid therethrough; and a control system coupled with each of the control valves, the control system configured to control flow of a dry air or gas to at least one of the seal locations for heating the system.Type: ApplicationFiled: September 7, 2016Publication date: March 8, 2018Inventors: Wolfgang Franz Dietrich Mohr, Erhard Friedrich Liebig, Kurt Rechsteiner
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Publication number: 20170122130Abstract: The present disclosure relates generally to power plants and more specifically to warming systems for steam turbine plants that prepare the steam plant for either start-up or stand-by operation.Type: ApplicationFiled: January 12, 2017Publication date: May 4, 2017Inventors: Klaus HELBIG, Christian KUEHNE, Wolfgang Franz Dietrich MOHR
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Patent number: 9605564Abstract: The invention relates to a method for operating a steam power plant, particularly a combined cycle power plant, which includes a gas turbine an a steam/water cycle with a heat recovery steam generator, through which the exhaust gases of the gas turbine flow, a water-cooled condenser, a feedwater pump and a steam turbine. A cooling water pump is provided for pumping cooling water through said water-cooled condenser. Evacuating means are connected to the water-cooled condenser for evacuating at least said water-cooled condenser. The method relates to a shut down and start-up of the power plant after the shutdown.Type: GrantFiled: September 17, 2014Date of Patent: March 28, 2017Assignee: GENERAL ELECTRIC TECHNOLOGY GMBHInventors: Wolfgang Franz Dietrich Mohr, Hamid Olia, Miguel Angel Carrillo Rubio, Juergen Reinhard
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Patent number: 9581049Abstract: The invention relates to a warming arrangement having a warming system for warming a steam turbine. The warming system has a makeup line and recycle line fluidly connected to the steam turbine. A gas moving device and a heater are located in either of these two lines. The warming system further includes a pressure measurement device that is configured and arranged to determine a gauge pressure in the steam turbine as well as a controller. The controller is configured to control a flow rate of the warming gas through the steam turbine, based on the pressure measurement device.Type: GrantFiled: December 3, 2013Date of Patent: February 28, 2017Assignee: General Electric Technology GmbHInventors: Klaus Helbig, Christian Kuehne, Wolfgang Franz Dietrich Mohr
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Patent number: 9523503Abstract: A combustion device (10) includes at least one combustion chamber (11) with a plurality of burners (B1, . . . , Bn) operating in parallel which produce in each case a flame (F1, . . . , Fn) which reaches into the combustion chamber (11), wherein each of the burners (B1, . . . , Bn), via a fuel distribution system (18), is supplied with a fuel from a fuel supply (16), which fuel distribution system (18) includes control elements (V1, . . . , Vm) for manual or controlled regulating of the fuel supply and/or fuel composition of individual burners (B1, . . . , Bn) and/or groups of burners (B1, . . . , B3; Bn?2, . . . , Bn). In a method of using the combustion device, a quick optimization or homogenization is achieved by a function (F) of the flame temperatures of the burners (B1, . . . , Bn) being provided in dependence upon the positions of the control elements (V1, . . .Type: GrantFiled: January 22, 2010Date of Patent: December 20, 2016Assignee: ALSTOM TECHNOLOGY LTDInventors: Wolfgang Franz Dietrich Mohr, Jérôme André Aubry, Christian Steinbach, Nicolas Ulibarri
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Publication number: 20160326966Abstract: The method for counteracting draft through an arrangement including a gas turbine during a stop, including stopping the gas turbine and then equalizing the pressure at least through the gas turbine.Type: ApplicationFiled: May 6, 2016Publication date: November 10, 2016Applicant: ANSALDO ENERGIA IP UK LIMITEDInventors: Wolfgang Franz Dietrich MOHR, Michele PERETI
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Publication number: 20160326965Abstract: The method for controlling the temperature of a gas turbine during a shutdown includes withdrawing gas from the gas turbine, heating the gas, supplying the gas back into the gas turbine, monitoring the temperature of at least a reference location within the gas turbine, controlling at least a gas feature according to the measured temperature.Type: ApplicationFiled: May 5, 2016Publication date: November 10, 2016Applicant: ANSALDO ENERGIA IP UK LIMITEDInventors: Michele PERETI, Wolfgang Franz Dietrich MOHR, Alexander ZAGORSKIY, Gian Luigi AGOSTINELLI
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Publication number: 20150000279Abstract: The invention relates to a method for operating a steam power plant, particularly a combined cycle power plant, which includes a gas turbine an a steam/water cycle with a heat recovery steam generator, through which the exhaust gases of the gas turbine flow, a water-cooled condenser, a feedwater pump and a steam turbine. A cooling water pump is provided for pumping cooling water through said water-cooled condenser. Evacuating means are connected to the water-cooled condenser for evacuating at least said water-cooled condenser. The method relates to a shut down and start-up of the power plant after the shutdown.Type: ApplicationFiled: September 17, 2014Publication date: January 1, 2015Inventors: Wolfgang Franz Dietrich MOHR, Hamid OLIA, Miguel Angel CARRILLO RUBIO, Juergen REINHARD
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Publication number: 20140150430Abstract: The invention relates to a warming arrangement having a warming system for warming a steam turbine. The warming system has a makeup line and recycle line fluidly connected to the steam turbine. A gas moving device and a heater are located in either of these two lines. The warming system further includes a pressure measurement device that is configured and arranged to determine a gauge pressure in the steam turbine as well as a controller. The controller is configured to control a flow rate of the warming gas through the steam turbine, based on the pressure measurement device.Type: ApplicationFiled: December 3, 2013Publication date: June 5, 2014Applicant: ALSTOM Technology LtdInventors: Klaus HELBIG, Christian KUEHNE, Wolfgang Franz Dietrich MOHR
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Patent number: 8454297Abstract: A method for determining the remaining service life of a rotor of a thermally loaded turboengine in which a temperature on the rotor is determined. Thermal stress on the rotor is calculated from the determined temperature, and the remaining service life of the rotor is calculated from the derived thermal stress. The temperature is measured directly at a predetermined point of the rotor, and the thermal stress on the rotor is derived from the measured temperature.Type: GrantFiled: April 23, 2010Date of Patent: June 4, 2013Assignee: ALSTOM Technology LtdInventors: Francesco Congiu, Andreas Ehrsam, Wolfgang Franz Dietrich Mohr, Paolo Ruffino, Peter Weiss
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Publication number: 20100296918Abstract: A method is provided for determining the remaining service life of a rotor of a thermally loaded turboengine. In the method, a temperature on the rotor is determined, the thermal stress on the rotor is derived from the determined temperature, and the remaining service life of the rotor is deduced from the derived thermal stress. A simple, exact and flexible determination of the remaining service life is achieved in that the temperature is measured directly at a predetermined point of the rotor, and in that the thermal stress on the rotor is derived from the measured temperature.Type: ApplicationFiled: April 23, 2010Publication date: November 25, 2010Applicant: ALSTOM TECHNOLOGY LTDInventors: Francesco CONGIU, Andreas EHRSAM, Wolfgang Franz Dietrich MOHR, Paolo RUFFINO, Peter WEISS
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Publication number: 20100173253Abstract: A combustion device (10) includes at least one combustion chamber (11) with a plurality of burners (B1, . . . , Bn) operating in parallel which produce in each case a flame (F1, . . . , Fn) which reaches into the combustion chamber (11), wherein each of the burners (B1, . . . , Bn), via a fuel distribution system (18), is supplied with a fuel from a fuel supply (16), which fuel distribution system (18) includes control elements (V1, . . . , Vm) for manual or controlled regulating of the fuel supply and/or fuel composition of individual burners (B1, . . . , Bn) and/or groups of burners (B1, . . . , B3; Bn?2, . . . , Bn). In a method of using the combustion device, a quick optimization or homogenization is achieved by a function (F) of the flame temperatures of the burners (B1, . . . , Bn) being provided in dependence upon the positions of the control elements (V1, . . .Type: ApplicationFiled: January 22, 2010Publication date: July 8, 2010Inventors: Wolfgang Franz Dietrich Mohr, Jérôme André Aubry, Christian Steinbach, Nicolas Ulibarri