Patents by Inventor Thomas Lehrmann Christiansen
Thomas Lehrmann Christiansen 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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Patent number: 11828884Abstract: A transducer array (802) includes at least one 1D array of transducing elements (804). The at least one 1D array of transducing elements includes a plurality of transducing elements (904). A first of the plurality of transducing elements has a first apodization and a second of the plurality of transducing elements has a second apodization. The first apodization and the second apodization are different. The transducer array further includes at least one electrically conductive element (910) in electrical communication with each of the plurality of transducing elements. The transducer array further includes at least one electrical contact (906) in electrical communication with the at least one electrically conductive element. The at least one electrical contact concurrently addresses the plurality of transducing elements through the at least one electrically conductive element.Type: GrantFiled: June 17, 2021Date of Patent: November 28, 2023Assignee: BK Medical ApsInventors: Thomas Lehrmann Christiansen, Morten Fischer Rasmussen, Erik Vilain Thomsen, Jorgen Jensen
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Patent number: 11486366Abstract: Provided is a rotor blade of a wind turbine, wherein the rotor blade includes a trailing edge section with a trailing edge and a leading-edge section with a leading-edge, a root section with a root and a tip section with a tip, a shell which defines the outer shape of the rotor blade and a cavity which is confined by the shell, and a lightning protection system with an internal down conductor extending from the root section of the rotor blade to the tip section of the rotor blade, wherein the internal down conductor is connectable at the root section to a grounding system of the remainder of the wind turbine and at the tip section to at least one tip lightning receptor which is positioned at the surface of the rotor blade. In addition, the rotor blade comprises an electrically insulating tip part.Type: GrantFiled: January 31, 2018Date of Patent: November 1, 2022Assignee: SIEMENS GAMESA RENEWABLE ENERGY A/SInventor: Thomas Lehrmann Christiansen
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Patent number: 11248587Abstract: Provided is a wind turbine blade for a wind turbine, including a web extending along a longitudinal direction of the blade, an electrically conductive beam extending along the longitudinal direction of the blade and being connected to the web, a lightning conductor extending along the longitudinal direction of the blade and being attached to the web, and a ply including carbon fibers, wherein the ply is attached to both the lightning conductor and the beam to electrically connect the lightning conductor to the beam. This has the advantage that an extensive and a continuous electrical connection between the lightning conductor and the beam is provided and that a plurality of cables electrically connecting the lightning conductor with the beam may be substituted.Type: GrantFiled: November 9, 2018Date of Patent: February 15, 2022Inventors: Thomas Lehrmann Christiansen, Donato Girolamo
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Publication number: 20210311179Abstract: A transducer array (802) includes at least one 1D array of transducing elements (804). The at least one 1D array of transducing elements includes a plurality of transducing elements (904). A first of the plurality of transducing elements has a first apodization and a second of the plurality of transducing elements has a second apodization. The first apodization and the second apodization are different. The transducer array further includes at least one electrically conductive element (910) in electrical communication with each of the plurality of transducing elements. The transducer array further includes at least one electrical contact (906) in electrical communication with the at least one electrically conductive element. The at least one electrical contact concurrently addresses the plurality of transducing elements through the at least one electrically conductive element.Type: ApplicationFiled: June 17, 2021Publication date: October 7, 2021Applicant: B-K Medical ApsInventors: Thomas Lehrmann Christiansen, Morten Fischer Rasmussen, Erik Vilain Thomsen, Jorgen Jensen
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Patent number: 11111904Abstract: Provided is a wind turbine blade for a wind turbine, the wind turbine blade including a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, and wherein the second angle is larger than the first angle.Type: GrantFiled: July 11, 2019Date of Patent: September 7, 2021Inventors: Thomas Lehrmann Christiansen, Donato Girolamo
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Patent number: 11105314Abstract: Provided is a wind turbine blade for a wind turbine, the wind turbine blade including an electrical conductor extending in a longitudinal direction of the wind turbine blade, and a carbon fiber material being electrically conductive and having a first portion which is arranged beside the electrical conductor, a second portion which is connected to the first portion and is attached and electrically connected to the electrical conductor, and a third portion which is connected to the second portion and at least partially overlaps with the first portion. Due to such an electrical connection between the electrical conductor and the carbon fiber material arcing and, thus, delamination of carbon can be avoided when conducting current of a lightning strike.Type: GrantFiled: July 9, 2019Date of Patent: August 31, 2021Inventors: Thomas Lehrmann Christiansen, Donato Girolamo
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Patent number: 11067677Abstract: A transducer array (802) includes at least one 1D array of transducing elements (804). The at least one 1D array of transducing elements includes a plurality of transducing elements (904). A first of the plurality of transducing elements has a first apodization and a second of the plurality of transducing elements has a second apodization. The first apodization and the second apodization are different. The transducer array further includes at least one electrically conductive element (910) in electrical communication with each of the plurality of transducing elements. The transducer array further includes at least one electrical contact (906) in electrical communication with the at least one electrically conductive element. The at least one electrical contact concurrently addresses the plurality of transducing elements through the at least one electrically conductive element.Type: GrantFiled: May 14, 2019Date of Patent: July 20, 2021Assignee: BK MEDICAL APSInventors: Thomas Lehrmann Christiansen, Morten Fischer Rasmussen, Erik Vilain Thomsen, Jorgen Jensen
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Patent number: 10907619Abstract: A rotor blade of a wind turbine, the rotor blade including a winglet and a lightning protection system with at least one lightning receptor is provided. The lightning receptor is located at the tip section of the rotor blade. Additionally, the rotor blade includes at least one lightning diverter containing an electrically conductive material, wherein the lightning diverter terminates at the lightning receptor and is located at least partially on the surface of the winglet.Type: GrantFiled: October 17, 2017Date of Patent: February 2, 2021Assignee: SIEMENS GAMESA RENEWABLE ENERGY A/SInventor: Thomas Lehrmann Christiansen
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Patent number: 10859696Abstract: A transducer array (302) for an ultrasound imaging system (300) includes a row-column addressed 2-D array of transducer elements (304). The row-column addressed 2-D includes a first array of 1-D arrays of elements, a second array of 1-D arrays of elements, which is orthogonal to the first array, and a double-curved surface (306). In another aspect, an apparatus includes a transducer array with an array-wise addressable 2-D array with a curved surface. The 2-D array includes a set of 1-D column array elements and a set of 1-D row array elements. The apparatus further includes transmit circuitry (308) that conveys an excitation pulse to the transducer array, receive circuitry (308) that receives a signal indicative of an ultrasound echo from the transducer array, and a beamformer (314) that processes the received signal, generating ultrasound image data.Type: GrantFiled: June 8, 2016Date of Patent: December 8, 2020Assignee: B-K Medical ApSInventors: Hamed Bouzari, Simon Holbek, Jorgen Arendt Jensen, Thomas Lehrmann Christiansen, Erik Vilain Thomsen, Matthias Bo Stuart
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Publication number: 20200355164Abstract: Provided is a blade for a wind turbine including at least one blade component, wherein at least one section of the blade component facing the tip of the blade is carbon fiber reinforced, wherein the blade further includes a lightning protection arrangement with a discharging conductor extending along the blade to discharge an electric current caused by a lightning striking into the blade, wherein the lightning protection arrangement includes at least one, electrically conductive, elongated and flat lightning receptor which is electrically connected with the discharging conductor, wherein the lightning receptor is arranged at or near the outer surface of the blade and located between the at least one blade component section and the blade tip and extends at least partially from a trailing edge towards a leading edge of the blade.Type: ApplicationFiled: April 27, 2020Publication date: November 12, 2020Inventors: Thomas Lehrmann Christiansen, Donato Girolamo
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Publication number: 20200198264Abstract: Provided is a vacuum assisted resin transfer molding method for producing a component, in particular a spar cap, of a rotor blade including a lightning protection system, wherein the vacuum assisted resin transfer molding method includes the steps of: a) placing) an electrically conductive beam fiber material of an electrically conductive beam, an electrically conductive fiber mat and an electrical conductor of the component in a mold arrangement electrically connecting the electrically conductive beam fiber material to the electrical conductor by means of the electrically conductive fiber mat, wherein an electrical connection between the electrical conductor and the electrically conductive fiber mat is generated, c) subjecting the mold arrangement to underpressure, d) applying an external pressure on the electrical connection from outside the mold arrangement, e) injecting resin into the underpressurized mold arrangement, and f) applying heat to the mold arrangement for curing the resin.Type: ApplicationFiled: November 25, 2019Publication date: June 25, 2020Inventors: Thomas Lehrmann Christiansen, Donato Girolamo, Peter Fischer Mikkelsen
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Publication number: 20200056596Abstract: Provided is a rotor blade of a wind turbine, wherein the rotor blade includes a trailing edge section with a trailing edge and a leading-edge section with a leading-edge, a root section with a root and a tip section with a tip, a shell which defines the outer shape of the rotor blade and a cavity which is confined by the shell, and a lightning protection system with an internal down conductor extending from the root section of the rotor blade to the tip section of the rotor blade, wherein the internal down conductor is connectable at the root section to a grounding system of the remainder of the wind turbine and at the tip section to at least one tip lightning receptor which is positioned at the surface of the rotor blade. In addition, the rotor blade comprises an electrically insulating tip part.Type: ApplicationFiled: January 31, 2018Publication date: February 20, 2020Applicant: Siemens Gamesa Renewable Energy A/SInventor: THOMAS LEHRMANN CHRISTIANSEN
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Publication number: 20200056595Abstract: A rotor blade of a wind turbine, the rotor blade including a winglet and a lightning protection system with at least one lightning receptor is provided. The lightning receptor is located at the tip section of the rotor blade. Additionally, the rotor blade includes at least one lightning diverter containing an electrically conductive material, wherein the lightning diverter terminates at the lightning receptor and is located at least partially on the surface of the winglet.Type: ApplicationFiled: October 17, 2017Publication date: February 20, 2020Inventor: Thomas Lehrmann Christiansen
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Publication number: 20200025178Abstract: Provided is a wind turbine blade for a wind turbine, the wind turbine blade including a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, and wherein the second angle is larger than the first angle.Type: ApplicationFiled: July 11, 2019Publication date: January 23, 2020Inventors: Thomas Lehrmann Christiansen, Donato Girolamo
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Publication number: 20200018284Abstract: Provided is a wind turbine blade for a wind turbine, the wind turbine blade including an electrical conductor extending in a longitudinal direction of the wind turbine blade, and a carbon fiber material being electrically conductive and having a first portion which is arranged beside the electrical conductor, a second portion which is connected to the first portion and is attached and electrically connected to the electrical conductor, and a third portion which is connected to the second portion and at least partially overlaps with the first portion. Due to such an electrical connection between the electrical conductor and the carbon fiber material arcing and, thus, delamination of carbon can be avoided when conducting current of a lightning strike.Type: ApplicationFiled: July 9, 2019Publication date: January 16, 2020Inventors: Thomas Lehrmann Christiansen, Donato Girolamo
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Publication number: 20190302256Abstract: A transducer array (302) for an ultrasound imaging system (300) includes a row-column addressed 2-D array of transducer elements (304). The row-column addressed 2-D includes a first array of 1-D arrays of elements, a second array of 1-D arrays of elements, which is orthogonal to the first array, and a double-curved surface (306). In another aspect, an apparatus includes a transducer array with an array-wise addressable 2-D array with a curved surface. The 2-D array includes a set of 1-D column array elements and a set of 1-D row array elements. The apparatus further includes transmit circuitry (308) that conveys an excitation pulse to the transducer array, receive circuitry (308) that receives a signal indicative of an ultrasound echo from the transducer array, and a beamformer (314) that processes the received signal, generating ultrasound image data.Type: ApplicationFiled: June 8, 2016Publication date: October 3, 2019Applicant: BK Medical ApsInventors: Hamed Bouzari, Simon Holbek, Jorgen Arendt Jensen, Thomas Lehrmann Christiansen, Erik Vilain Thomsen, Matthias Bo Stuart
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Publication number: 20190265344Abstract: A transducer array (802) includes at least one 1D array of transducing elements (804). The at least one 1D array of transducing elements includes a plurality of transducing elements (904). A first of the plurality of transducing elements has a first apodization and a second of the plurality of transducing elements has a second apodization. The first apodization and the second apodization are different. The transducer array further includes at least one electrically conductive element (910) in electrical communication with each of the plurality of transducing elements. The transducer array further includes at least one electrical contact (906) in electrical communication with the at least one electrically conductive element. The at least one electrical contact concurrently addresses the plurality of transducing elements through the at least one electrically conductive element.Type: ApplicationFiled: May 14, 2019Publication date: August 29, 2019Applicant: B-K Medical ApsInventors: Thomas Lehrmann Christiansen, Morten Fischer Rasmussen, Erik Vilain Thomsen, Jorgen Jensen
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Patent number: 10330781Abstract: A transducer array (802) includes at least one 1D array of transducing elements (804). The at least one 1D array of transducing elements includes a plurality of transducing elements (904). A first of the plurality of transducing elements has a first apodization and a second of the plurality of transducing elements has a second apodization. The first apodization and the second apodization are different. The transducer array further includes at least one electrically conductive element (910) in electrical communication with each of the plurality of transducing elements. The transducer array further includes at least one electrical contact (906) in electrical communication with the at least one electrically conductive element. The at least one electrical contact concurrently addresses the plurality of transducing elements through the at least one electrically conductive element.Type: GrantFiled: December 19, 2013Date of Patent: June 25, 2019Assignee: B-K Medical ApsInventors: Thomas Lehrmann Christiansen, Morten Fischer Rasmussen, Erik Vilain Thomsen, Jorgen Jensen
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Publication number: 20190145383Abstract: Provided is a wind turbine blade for a wind turbine, including a web extending along a longitudinal direction of the blade, an electrically conductive beam extending along the longitudinal direction of the blade and being connected to the web, a lightning conductor extending along the longitudinal direction of the blade and being attached to the web, and a ply including carbon fibers, wherein the ply is attached to both the lightning conductor and the beam to electrically connect the lightning conductor to the beam. This has the advantage that an extensive and a continuous electrical connection between the lightning conductor and the beam is provided and that a plurality of cables electrically connecting the lightning conductor with the beam may be substituted.Type: ApplicationFiled: November 9, 2018Publication date: May 16, 2019Inventors: THOMAS LEHRMANN CHRISTIANSEN, DONATO GIROLAMO
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Patent number: 9855022Abstract: An ultrasound system includes a 2-D transducer array and a velocity processor. The 2-D transducer array includes a first 1-D array of one or more rows of transducing elements configured to produce first ultrasound data. The 2-D transducer array further includes a second 1-D array of one or more columns of transducing elements configured to produce second ultrasound data. The first and second 1-D arrays are configured for row-column addressing. The velocity processor processes the first and the second ultrasound data, producing 3-D vector flow data. The 3-D vector flow data includes an axial component, a first lateral component transverse to the axial component, and a second lateral component transverse to the axial component and the first lateral component.Type: GrantFiled: January 19, 2015Date of Patent: January 2, 2018Assignee: B-K Medical ApsInventors: Thomas Lehrmann Christiansen, Morten Fischer Rasmussen, Simon Holbek, Erik Vilain Thomsen, Jorgen Arendt Jensen