Patents by Inventor Harald Behmer
Harald Behmer 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: 20240159214Abstract: A prefabricated fairing for a wind turbine blade, the fairing extending along a fairing profile terminating at fairing lips and comprising exterior and interior fairing surfaces and a plurality of layers including fibre-reinforced layers and an exterior erosion-resistant elastomer layer forming a portion of the exterior fairing surface and being configured for defining the leading edge of the wind turbine blade, the fairing further comprises a cured first resin binding the erosion-resistant elastomer layer and the one or more fibre-reinforced layers together.Type: ApplicationFiled: April 4, 2022Publication date: May 16, 2024Inventors: Mark HANCOCK, Michael Drachmann HAAG, Harald BEHMER, Hans MINNEE
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Patent number: 11879426Abstract: A rotor blade assembly includes a rotor blade defining a pressure side and a suction side extending between a leading edge and a trailing edge. Further, the rotor blade assembly includes at least one structural feature secured within the rotor blade and spaced apart from the trailing edge to define a void between the pressure side, the suction side, and the trailing edge. Moreover, the rotor blade assembly includes an adhesive filling the void between the pressure side, the suction side, and the trailing edge to provide an adhesive connection between the pressure side, the suction side, the trailing edge, and the structural feature(s). In addition, the adhesive contacts the structural feature(s) at an interface and defines a fillet profile.Type: GrantFiled: October 29, 2019Date of Patent: January 23, 2024Assignee: BLADE DYNAMICS LIMITEDInventors: Andrew Stuart Edge, Paul Trevor Hayden, Harald Behmer, Mark Hancock, Harry Fish
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Publication number: 20230226788Abstract: In an aspect, the present disclosure is directed to a composite structure. The composite structure includes a three-dimensional (3-D) grid structure and at least one monolithic skin layer at least partially enveloping and securing the grid structure. As such, the grid structure is configured to stabilize the composite structure under at least one of: static local buckling and dynamic global buckling.Type: ApplicationFiled: June 24, 2021Publication date: July 20, 2023Inventors: James Robert Tobin, Paul Trevor Hayden, Harald Behmer, Raphael Sajous, Hongyi Zhou
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Publication number: 20230203727Abstract: The present invention relates to a non-woven fabric comprising one or more fibre layers each comprising a plurality of fibres arranged along a fibre direction, wherein the non-woven fabric comprises a plurality of stitching rows, each stitching row comprising one or more threads arranged along a stitch direction, for maintaining arrangement of the plurality of fibres in the one or more fibre layers relative to each other, wherein at least one thread comprises a binding agent. The present invention further relates to preforms comprising the non-woven fabric according to the present invention and methods for producing the non-woven fabric, preforms and wind turbine blades.Type: ApplicationFiled: April 23, 2021Publication date: June 29, 2023Inventors: Manish MUKHERJEE, Harald BEHMER
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Publication number: 20230184208Abstract: A wind turbine blade includes a leading edge protection element attached to the leading edge of the wind turbine blade. The leading edge protection element extends in a longitudinal direction between an outboard end and an inboard end and includes an attachment surface mounted to an exterior surface of the blade, an exterior surface opposite the attachment surface, a first section extending from the leading edge and along a part of the pressure side of the wind turbine blade to a first transverse end at a first position on the pressure side of the blade, and a second section extending from the leading edge and along a part of the suction side of the wind turbine blade to a second transverse end at a second position on the suction side of the blade.Type: ApplicationFiled: May 11, 2021Publication date: June 15, 2023Inventors: Harald BEHMER, Horacio BULACIO, Marc Canal VILA, Michael Drachmann HAAG, Andreas HERRIG, Jordy Hertel Nilsson VAN KALKEN, Hans MINNEE
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Publication number: 20230167806Abstract: Disclosed is a tip section for a wind turbine blade. The tip section comprises an intermediary blade section comprising a first shell part forming a first side of the intermediary blade section and a second shell part forming a second side of the intermediary blade section, the intermediary blade section having a leading edge and a trailing edge and extending from an intermediary blade section first end to an intermediary blade section second end; a tip part forming an end of the tip section and having been rigidly attached to the intermediary blade section first end, the tip part having an outer surface comprising a metal area; and a number of one or more superficial metal strips extending along an outer surface of the intermediary blade section. A wind turbine blade with such a tip section and the manufacturing of such a wind turbine blade is also disclosed.Type: ApplicationFiled: April 21, 2021Publication date: June 1, 2023Inventors: Mark Thomas NOONAN, Paul Trevor HAYDEN, Harald BEHMER
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Publication number: 20210340948Abstract: A rotor blade assembly includes a rotor blade defining a pressure side and a suction side extending between a leading edge and a trailing edge. Further, the rotor blade assembly includes at least one structural feature secured within the rotor blade and spaced apart from the trailing edge to define a void between the pressure side, the suction side, and the trailing edge. Moreover, the rotor blade assembly includes an adhesive filling the void between the pressure side, the suction side, and the trailing edge to provide an adhesive connection between the pressure side, the suction side, the trailing edge, and the structural feature(s). In addition, the adhesive contacts the structural feature(s) at an interface and defines a fillet profile.Type: ApplicationFiled: October 29, 2019Publication date: November 4, 2021Inventors: Andrew Stuart EDGE, Paul Trevor HAYDEN, Harald BEHMER, Mark HANCOCK, Harry FISH
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Patent number: 10677215Abstract: A wind turbine blade and a method of moulding a wind turbine blade tip section. The overall wind turbine blade has an elongate structure extending in a radial sense in a finished wind turbine. The blade comprises a fairing that one is supported along its length by a spar extended along the full length of the fairing from the root end to the tip. The fairing is in two parts with a main part extending from the root for most the of the longitudinal length of the blade and the tip section forming the remainder of the blade.Type: GrantFiled: May 27, 2016Date of Patent: June 9, 2020Assignee: Blade Dynamics LimitedInventors: Paul Trevor Hayden, Harald Behmer
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Patent number: 10273937Abstract: A composite member comprises first and second elongate composite elements. Each has a wedge shaped end with a complimentary tapered end surface. At least one of the components is formed of a stack of fiber layers impregnated in resin, with the tapered end surface being formed by each fiber layer extending longitudinally progressively further than the adjacent layer towards the thin end of the wedge at which the fiber layers have the greatest longitudinal extent. The components are joined at their tapered ends by an adhesive, and the properties of the cured composite material of the at least one component and/or the properties of the adhesive are different in the vicinity of the thin end of the wedge as compared to the rest of the tapered surface in order to reduce the stress concentrations in this region.Type: GrantFiled: May 27, 2016Date of Patent: April 30, 2019Assignee: BLADE DYNAMICS LIMITEDInventors: Paul Trevor Hayden, Harald Behmer
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Patent number: 10240578Abstract: An erosion resistant aerodynamic fairing for a rotor blade. A fairing body is formed from at least one reinforcing fiber layer set in a cured resin. An erosion resistant pre-form is fixed to an outer surface of the fairing body. The erosion resistant pre-form comprises a thermoplastic film outer layer fused to a fiber substrate. The fiber substrate of the erosion resistant pre-form is impregnated with the cured resin of the fairing body which fixes at the preform to the fairing body.Type: GrantFiled: July 30, 2014Date of Patent: March 26, 2019Assignee: BLADE DYNAMICS LIMITEDInventors: Harald Behmer, Peter Anthony Broome, Paul Trevor Hayden
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Patent number: 10046515Abstract: The present disclosure is directed to a method of forming a root portion of a wind turbine rotor blade. A plurality of alignment pins coupled to an alignment plate is aligned with a first set of a plurality of insert cavities defined by a prefabricated panel. Each alignment pin is positioned within one of a first set of a plurality of installation apertures defined by the alignment plate. The prefabricated panel and the alignment plate are coupled such that each alignment pin is positioned within one of the first set of the plurality of insert cavities. A first adhesive is placed in each of the second set of the plurality of insert cavities. A first set of inserts are placed into a second set of the plurality of insert cavities. The first set of inserts and the alignment plate are coupled, and the first adhesive is cured.Type: GrantFiled: March 30, 2017Date of Patent: August 14, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Nicholas Michael Seruntine, Matthew Carmichael, Michael Blanc, Harald Behmer, Peter Broome, Paul Hayden
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Patent number: 9863258Abstract: A method of forming a structural connection between a spar cap 14 and an aerodynamic fairing 12. A composite comprising an uncured matrix and a compressible solid is applied between the spar cap and fairing and is then compressed and cured to adhere the fairing to the spar cap. The cured matrix composite has a void volume of at least 20%. The high void volume means that as the fairing is compressed into place and compresses the composite, it has space in which to deform so as not to place undue stress on the fairing and to produce a lightweight connection.Type: GrantFiled: March 24, 2015Date of Patent: January 9, 2018Assignee: Blade Dynamics LimitedInventors: Paul Hayden, Harald Behmer
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Patent number: 9567749Abstract: A modular fiber reinforced plastic flange for a structural composite beam which comprises a body formed of a plurality of elongate elements arranged in an array, wherein the dimensions of the body are substantially determined by the number and arrangement of the elongate elements in the array, and a skin member at least partially surrounding the array. Also, a structural composite beam comprising the modular fiber reinforced plastic flange and a shear web connected to the skin member of the modular flange. A method of making the modular flange and beams, and a kit of parts for making the modular flange are also disclosed.Type: GrantFiled: August 27, 2013Date of Patent: February 14, 2017Assignee: Blade Dynamics LimitedInventors: Paul Trevor Hayden, Harald Behmer
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Publication number: 20160348642Abstract: A wind turbine blade and a method of moulding a wind turbine blade tip section. The overall wind turbine blade has an elongate structure extending in a radial sense in a finished wind turbine. The blade comprises a fairing that one is supported along its length by a spar extended along the full length of the fairing from the root end to the tip. The fairing is in two parts with a main part extending from the root for most the of the longitudinal length of the blade and the tip section forming the remainder of the blade.Type: ApplicationFiled: May 27, 2016Publication date: December 1, 2016Inventors: Paul Trevor HAYDEN, Harald BEHMER
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Publication number: 20160348644Abstract: A composite member comprises first and second elongate composite elements. Each has a wedge shaped end with a complimentary tapered end surface. At least one of the components is formed of a stack of fibre layers impregnated in resin, with the tapered end surface being formed by each fibre layer extending longitudinally progressively further than the adjacent layer towards the thin end of the wedge at which the fibre layers have the greatest longitudinal extent. The components are joined at their tapered ends by an adhesive, and the properties of the cured composite material of the at least one component and/or the properties of the adhesive are different in the vicinity of the thin end of the wedge as compared to the rest of the tapered surface in order to reduce the stress concentrations in this region.Type: ApplicationFiled: May 27, 2016Publication date: December 1, 2016Inventors: Paul Trevor HAYDEN, Harald BEHMER
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Publication number: 20160215757Abstract: An erosion resistant aerodynamic fairing for a rotor blade. A fairing body is formed from at least one reinforcing fibre layer set in a cured resin. An erosion resistant pre-form is fixed to an outer surface of the fairing body. The erosion resistant pre-form comprises a thermoplastic film outer layer fused to a fibre substrate. The fibre substrate of the erosion resistant pre-form is impregnated with the cured resin of the fairing body which fixes at the preform to the fairing body.Type: ApplicationFiled: July 30, 2014Publication date: July 28, 2016Inventors: Harald BEHMER, Peter Anthony BROOME, Paul Trevor HAYDEN
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Patent number: 9290941Abstract: A modular fiber reinforced plastic flange for a structural composite beam which comprises a body formed of a plurality of elongate elements arranged in an array, wherein the dimensions of the body are substantially determined by the number and arrangement of the elongate elements in the array, and a skin member at least partially surrounding the array. Also, a structural composite beam comprising the modular fiber reinforced plastic flange and a shear web connected to the skin member of the modular flange. A method of making the modular flange and beams, and a kit of parts for making the modular flange are also disclosed.Type: GrantFiled: August 27, 2013Date of Patent: March 22, 2016Assignee: Blade Dynamics LimitedInventors: Paul Trevor Hayden, Harald Behmer
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Publication number: 20150198051Abstract: A method of forming a structural connection between a spar cap 14 and an aerodynamic fairing 12 A composite comprising an uncured matrix and a compressible solid is applied between the spar cap and fairing and is then compressed and cured to adhere the fairing to the spar cap. The cured matrix composite has a void volume of at least 20%. The high void volume means that as the fairing is compressed into place and compresses the composite, it has space in which to deform so as not to place undue stress on the fairing and to produce a lightweight connection.Type: ApplicationFiled: March 24, 2015Publication date: July 16, 2015Inventors: Paul HAYDEN, Harald BEHMER
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Patent number: 8905718Abstract: A modular fiber reinforced plastic flange for a structural composite beam which comprises a body formed of a plurality of elongate elements arranged in an array, wherein the dimensions of the body are substantially determined by the number and arrangement of the elongate elements in the array, and a skin member at least partially surrounding the array. Also, a structural composite beam comprising the modular fiber reinforced plastic flange and a shear web connected to the skin member of the modular flange. A method of making the modular flange and beams, and a kit of parts for making the modular flange are also disclosed.Type: GrantFiled: October 29, 2012Date of Patent: December 9, 2014Assignee: Blade Dynamics, Ltd.Inventors: Paul Trevor Hayden, Harald Behmer
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Patent number: 8764401Abstract: A wind turbine blade comprising an aerodynamic fairing supported along at least a portion of its axial length by a spar (12). The spar comprises at least two spar segments (12) joined end-to-end at an interface (9), each spar segment comprising a shear web (3) with a spar cap (4) on each side. The outer face (6) of each spar cap tapers inwardly towards the interface such that its depth is reduced towards the interface creating a recess on each side of the interface formed by the tapered faces of adjacent spar caps. A respective connection piece (8) is sized to fit into each recess. Each connection piece (8) is sized to fit into each recess. Each connection piece (8) being fixed to the tapered faces of adjacent spar caps to form a double scarf joint.Type: GrantFiled: January 3, 2013Date of Patent: July 1, 2014Assignee: Blade Dynamics Ltd.Inventors: Paul Trevor Hayden, Harald Behmer