Patents by Inventor Andreas HERRIG
Andreas HERRIG 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: 20180209401Abstract: A rotor blade assembly for a wind turbine is presented. The rotor blade assembly includes a rotor blade having a surface, where the surface of the rotor blade includes an inclined groove. The rotor blade assembly further includes at least one add-on element mounted on the surface of the rotor blade via a bonding interface downstream of the inclined groove such that particulate matter in an airflow upstream of the at least one add-on element is deflected away from the bonding interface between the surface of the rotor blade and the at least one add-on element. The wind turbine having the rotor blade assembly is also presented.Type: ApplicationFiled: January 17, 2018Publication date: July 26, 2018Inventors: Andreas Herrig, Drew Adam Wetzel
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Patent number: 9995277Abstract: A method for controlling a wind farm includes: receiving temperature data associated with a plurality of locations along a sound path between the wind farm and a sound immission point from one or more sensors; estimating a propagation characteristic of the sound path based at least in part on the temperature data; predicting a noise level at the sound immission point based at least in part on the propagation characteristic; determining a control signal for one or more wind turbines in the wind farm based at least in part on the noise level; and using the control signal to control the one or more wind turbines.Type: GrantFiled: July 31, 2014Date of Patent: June 12, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Andreas Herrig, Seongkyu Lee, Stefan Kern, Thierry Pascal Maeder, Benoit Philippe Petitjean, Roger Drobietz, Sujan Kumar Pal, Biju Nanukuttan
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Publication number: 20180135596Abstract: A wind turbine blade includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. Each of the blade segments having a pressure side shell member, a suction side shell member. The blade further including a coupling component extending spanwise and structurally connecting the first blade segment and the second blade segment. A thermal actuation component is coupled to the coupling component and passively actuated in response to a change in thermal conditions so as to provide for aeroelastic tailoring and pitch control to the wind turbine blade.Type: ApplicationFiled: November 17, 2016Publication date: May 17, 2018Inventors: Andreas Herrig, Dominic Alexander von Terzi, Shivaram AC, Vidyashankar Ramasastry Buravalla, Norman Arnold Turnquist
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Patent number: 9822761Abstract: A method of manufacturing is presented. The method includes providing a plurality of structural layers comprising a plurality of composite rods, wherein at least one structural layer from the plurality of structural layers is attached to a separation layer. The method further includes stacking the plurality of structural layers, detaching the separation layer from the at least one structural layer, and curing the plurality of structural layers to form a structural component of a wind turbine blade.Type: GrantFiled: August 13, 2014Date of Patent: November 21, 2017Assignee: General Electric CompanyInventors: Thomas Merzhaeuser, Andreas Herrig
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Publication number: 20170314530Abstract: A wind turbine blade assembly includes a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge and a trailing edge, each extending between a blade tip and a root. The rotor blade additionally defining a span and a chord. The blade assembly further includes a plurality of micro boundary layer energizers positioned on a surface of the pressure side of the rotor blade. The plurality of micro boundary layer energizers extending one of above or below a neutral plane of the rotor blade. The micro boundary layer energizers are shaped and positioned chordwise to delay separation of a boundary layer at a low angle of attack. A wind turbine including the blade assembly is additionally disclosed.Type: ApplicationFiled: April 28, 2016Publication date: November 2, 2017Inventors: Andreas Herrig, Saskia Gerarda Honhoff, Stefan Herr, Jonathan Luedke, Kevin Kinzie
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Patent number: 9759068Abstract: In one aspect, a method for controlling a wind turbine based on an identified surface condition of a rotor blade may include monitoring an operating parameter of the wind turbine to obtain parameter data related to the operating parameter as an operating input of the wind turbine changes, analyzing the parameter data to identify a roughness state of the rotor blade and performing a corrective action in response to the identified roughness state.Type: GrantFiled: February 28, 2013Date of Patent: September 12, 2017Assignee: General Electric CompanyInventors: Andreas Herrig, Saskia Gerarda Honhoff
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Publication number: 20170254828Abstract: A flow angle probe is provided having (a) a probe flap for contacting a moving fluid within a fluid conduit; (b) a probe body mechanically coupled to the probe flap; (c) a force sensor disposed within the probe body and operationally coupled to the probe flap; and optionally (d) a probe shaft coupled to the probe body. A deflection of the probe flap caused by contact with the moving fluid produces a corresponding force sensor signal output which is minimized by rotation of the probe flap. The angle between this point of minimum deflection and a reference position is taken to be the flow angle of the moving fluid in the vicinity of the probe flap. The novel flow angle probes disclosed herein may be used in a wide variety of turbomachines and fluid processing systems, and applications, including turbomachine design and operational control, and in flow assurance.Type: ApplicationFiled: March 21, 2016Publication date: September 7, 2017Inventors: Andreas Herrig, Carsten Michael Schneider, Erik Mele, Siddharth Navinchandra Ashar
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Patent number: 9752905Abstract: A fluid transport system includes a housing defining a passageway for fluid to flow through the fluid transport system and a probe extending in the passageway. The probe includes a first end defining a plurality of sensing ports for the fluid to flow into the probe and a second end opposite the first end. The fluid flows through a plurality of conduits and a plurality of tubes. A differential pressure sensor is in fluid communication with the plurality of tubes such that the differential pressure sensor determines a differential pressure of the fluid in the plurality of tubes. A purge system is in fluid communication with the plurality of tubes. The purge system includes a source of purge liquid and is configured to direct the purge liquid through the plurality of tubes.Type: GrantFiled: December 15, 2015Date of Patent: September 5, 2017Assignee: General Electric CompanyInventors: Carsten Michael Schneider, Erik Mele, Christian Aalburg, Andreas Herrig
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Patent number: 9689886Abstract: A flow angle probe is provided comprising: (a) a probe vane configured to contact a moving fluid within a fluid conduit; (b) an optional probe mounting mechanically coupled to the probe vane; (c) a rotary shaft coupled either to the optional probe mounting or the probe vane; (d) a rotary encoder coupled to the rotary shaft; (e) a sensor hermetically isolated from the probe vane and configured to sense a change in position of the rotary encoder; and (f) a probe housing encompassing at least a portion of the rotary shaft, the rotary encoder and the sensor. The novel flow angle probes disclosed herein may be used in a wide variety of turbomachines and fluid processing systems, and applications, including turbomachine design and operational control, as well as in flow assurance.Type: GrantFiled: August 6, 2015Date of Patent: June 27, 2017Assignee: General Electric CompanyInventors: Carsten Michael Schneider, Vittorio Michelassi, Andreas Herrig, Erik Mele, Nathaniel David Varano, Brent David Michalowski, Kenton Travis Shonhor
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Publication number: 20170167903Abstract: A fluid transport system includes a housing defining a passageway for fluid to flow through the fluid transport system and a probe extending in the passageway. The probe includes a first end defining a plurality of sensing ports for the fluid to flow into the probe and a second end opposite the first end. The fluid flows through a plurality of conduits and a plurality of tubes. A differential pressure sensor is in fluid communication with the plurality of tubes such that the differential pressure sensor determines a differential pressure of the fluid in the plurality of tubes. A purge system is in fluid communication with the plurality of tubes. The purge system includes a source of purge liquid and is configured to direct the purge liquid through the plurality of tubes.Type: ApplicationFiled: December 15, 2015Publication date: June 15, 2017Inventors: Carsten Michael Schneider, Erik Mele, Christian Aalburg, Andreas Herrig
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Patent number: 9595884Abstract: A sub-sea power supply includes a plurality of transformers, a wet-mateable connector, and a plurality of passive rectifier circuits. Each transformer includes a primary coil and secondary coil. The primary coils are coupled in parallel. The wet-mateable connector is coupleable to a sub-sea AC power source. The wet-mateable connector is coupled to the primary coils. The plurality of passive rectifier circuits is respectively coupled to the secondary coils. The plurality of passive rectifier circuits is configured to generate substantially uniform polarity voltage outputs coupled in series.Type: GrantFiled: December 18, 2014Date of Patent: March 14, 2017Assignee: GENERAL ELECTRIC COMPANYInventors: Andreas Herrig, Christof Martin Sihler, Fabio Carastro
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Patent number: 9562515Abstract: A method for operating a horizontal axis wind turbine is provided, the wind turbine including: a rotor including a rotor blade, wherein the rotor is rotatably coupled to a nacelle, and the rotor is rotatable about a horizontal rotor axis extending through the nacelle, and the nacelle is rotatably coupled to a tower, the nacelle rotatable in a yaw plane about a yaw axis. The method includes determining a wind direction; determining a yaw angle setting, wherein the yaw angle setting deviates from an alignment of the rotor axis and the wind direction in the yaw plane; yawing the nacelle to the yaw angle setting; and operating the wind turbine for example to generate electricity.Type: GrantFiled: February 1, 2013Date of Patent: February 7, 2017Assignee: GENERAL ELECTRIC COMPANYInventors: Saskia Honhoff, Andreas Herrig, Farzad Taghaddosi, Sarah Delport
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Publication number: 20160356805Abstract: A flow angle probe is provided comprising: (a) a probe vane configured to contact a moving fluid within a fluid conduit; (b) an optional probe mounting mechanically coupled to the probe vane; (c) a rotary shaft coupled either to the optional probe mounting or the probe vane; (d) a rotary encoder coupled to the rotary shaft; (e) a sensor hermetically isolated from the probe vane and configured to sense a change in position of the rotary encoder; and (f) a probe housing encompassing at least a portion of the rotary shaft, the rotary encoder and the sensor. The novel flow angle probes disclosed herein may be used in a wide variety of turbomachines and fluid processing systems, and applications, including turbomachine design and operational control, as well as in flow assurance.Type: ApplicationFiled: August 6, 2015Publication date: December 8, 2016Inventors: Carsten Michael Schneider, Vittorio Michelassi, Andreas Herrig, Erik Mele, Nathaniel David Varano, Brent David Michalowski, Kenton Travis Shonhor
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Publication number: 20160181943Abstract: A sub-sea power supply includes a plurality of transformers, a wet-mateable connector, and a plurality of passive rectifier circuits. Each transformer includes a primary coil and secondary coil. The primary coils are coupled in parallel. The wet-mateable connector is coupleable to a sub-sea AC power source. The wet-mateable connector is coupled to the primary coils. The plurality of passive rectifier circuits is respectively coupled to the secondary coils. The plurality of passive rectifier circuits is configured to generate substantially uniform polarity voltage outputs coupled in series.Type: ApplicationFiled: December 18, 2014Publication date: June 23, 2016Inventors: Andreas Herrig, Christof Martin Sihler, Fabio Carastro
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Patent number: 9347432Abstract: A computer-implemented method of operating a wind turbine park including operating wind turbines includes recording a plurality of sound pressure measurements of the wind turbine park, thereby generating a sound recording. The method also includes calculating values for a plurality of acoustic features associated with the sound recording. The method further includes determining a relationship between the calculated values for the plurality of acoustic features and modeled acoustic features values resident within a probabilistic auditory model of the wind turbine park. The method also includes distinguishing a first contribution to the sound recording originating from the at least one operating wind turbine from a second contribution to the sound recording originating from non-wind turbine sources based on the determined relationship.Type: GrantFiled: July 31, 2014Date of Patent: May 24, 2016Assignee: General Electric CompanyInventors: Andreas Herrig, Benoit Philippe Petitjean, Sara Simonne Louisa Delport, Nathan Charles Schneider
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Publication number: 20160047252Abstract: A method of manufacturing is presented. The method includes providing a plurality of structural layers comprising a plurality of composite rods, wherein at least one structural layer from the plurality of structural layers is attached to a separation layer. The method further includes stacking the plurality of structural layers, detaching the separation layer from the at least one structural layer, and curing the plurality of structural layers to form a structural component of a wind turbine blade.Type: ApplicationFiled: August 13, 2014Publication date: February 18, 2016Inventors: Thomas Merzhaeuser, Andreas Herrig
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Publication number: 20160032892Abstract: A method for controlling a wind farm includes: receiving temperature data associated with a plurality of locations along a sound path between the wind farm and a sound immission point from one or more sensors; estimating a propagation characteristic of the sound path based at least in part on the temperature data; predicting a noise level at the sound immission point based at least in part on the propagation characteristic; determining a control signal for one or more wind turbines in the wind farm based at least in part on the noise level; and using the control signal to control the one or more wind turbines.Type: ApplicationFiled: July 31, 2014Publication date: February 4, 2016Inventors: Andreas Herrig, Seongkyu Lee, Stefan Kern, Thierry Pascal Maeder, Benoit Philippe Petitjean, Roger Drobietz, Sujan Kumar Pal, Biju Nanukuttan
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Publication number: 20160032893Abstract: A computer-implemented method of operating a wind turbine park including operating wind turbines includes recording a plurality of sound pressure measurements of the wind turbine park, thereby generating a sound recording. The method also includes calculating values for a plurality of acoustic features associated with the sound recording. The method further includes determining a relationship between the calculated values for the plurality of acoustic features and modeled acoustic features values resident within a probabilistic auditory model of the wind turbine park. The method also includes distinguishing a first contribution to the sound recording originating from the at least one operating wind turbine from a second contribution to the sound recording originating from non-wind turbine sources based on the determined relationship.Type: ApplicationFiled: July 31, 2014Publication date: February 4, 2016Inventors: Andreas Herrig, Benoit Philippe Petitjean, Sara Simonne Louisa Delport, Nathan Charles Schneider
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Publication number: 20160025066Abstract: In one aspect, a winglet for a rotor blade is disclosed. The winglet may generally include a winglet body extending at least partially between a winglet origin and a blade tip. The winglet body may define a sweep and a pre-bend. The sweep defined between the winglet origin and the blade tip may range from about 0.5% to about 4.0% of a span of the rotor blade. The pre-bend defined between the winglet origin and the blade tip may range from about 1.5% to about 4.Type: ApplicationFiled: August 7, 2015Publication date: January 28, 2016Inventors: Klaus Ulrich Koegler, Ariane Frere, Andreas Herrig
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Patent number: 9103325Abstract: In one aspect, a winglet for a rotor blade is disclosed. The winglet may generally include a winglet body extending at least partially between a winglet origin and a blade tip. The winglet body may define a sweep and a pre-bend. The sweep defined between the winglet origin and the blade tip may range from about 0.5% to about 4.0% of a span of the rotor blade. The pre-bend defined between the winglet origin and the blade tip may range from about 1.5% to about 4.5% of the span of the rotor blade.Type: GrantFiled: March 20, 2012Date of Patent: August 11, 2015Assignee: General Electric CompanyInventors: Klaus Ulrich Koegler, Ariane Frere, Andreas Herrig