Patents by Inventor Jesper MADSEN
Jesper MADSEN 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: 20190211800Abstract: A vortex generator device for a wind turbine blade, and a wind turbine blade is disclosed, the vortex generator device comprising a base with an inner side and an outer side, and a first fin protruding from the outer side and extending along a first fin axis, wherein the vortex generator device is a single-fin vortex generator device, and the base has a first edge part and a second edge part, the first edge part and the second edge part forming a primary angle in the range from 5 degrees to 60 degrees.Type: ApplicationFiled: September 6, 2017Publication date: July 11, 2019Inventors: Jesper MADSEN, Jesper HØEG, Kim Ansholm RASMUSSEN, Danny KEDOCHIM
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Patent number: 10253751Abstract: A blade (10) for a rotor of a wind turbine (2) is disclosed. The blade is assembled from an inboard blade part (50) closest to the hub and an outboard blade part (110) farthest from the hub of the wind turbine. The inboard part (50) comprises a load carrying structure (60) with a first aerodynamic shell (70) fitted to the load carrying structure (60), and the outboard part (110) comprises a blade shell (141, 143) with a load carrying structure (142, 144) integrated in the blade shell (141, 143).Type: GrantFiled: December 20, 2012Date of Patent: April 9, 2019Assignee: LM WP PATENT HOLDINGS A/SInventors: Fons Rob, Jesper Madsen, Flemming Ejlersen, Peter Quiring
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Patent number: 10145357Abstract: A method of retrofitting vortex generators on a wind turbine blade is disclosed, the wind turbine blade being mounted on a wind turbine hub and extending in a longitudinal direction and having a tip end and a root end, the wind turbine blade further comprising a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow, generating a lift. The method comprises identifying a separation line on the suction side of the wind turbine blade, and mounting one or more vortex panels including a first vortex panel comprising at least one vortex generator on the suction side of the wind turbine blade between the separation line and the leading edge of the wind turbine blade.Type: GrantFiled: August 30, 2017Date of Patent: December 4, 2018Assignee: LM WP PATENT HOLDING A/SInventor: Jesper Madsen
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Patent number: 10047720Abstract: Disclosed is a wind turbine blade and a method for retrofitting a wind turbine blade, the wind turbine blade extending in a longitudinal direction along a pitch axis and having a tip end and a root end as well as a blade length, the wind turbine blade further comprising a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow generating a lift, wherein the suction side of the wind turbine blade is provided with a plurality of vortex generators positioned along a mounting line having a proximal end point nearest the root end and a distal end point nearest the tip end, wherein the mounting line is a concave line seen from the trailing edge of the wind turbine blade.Type: GrantFiled: July 20, 2012Date of Patent: August 14, 2018Assignee: LM WINDPOWER A/SInventors: Jesper Madsen, Ines Wurth, Rolf Hansen, Olaf Muller
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Patent number: 10041470Abstract: A wind turbine blade is described wherein at least one stall fence is provided on the blade surface, where the stall fence is arranged such that it extends at an angle to the chord of the blade. The stall fence acts to re-direct airflow over the blade, to improve wind turbine performance. The stall fence may be a provided towards the blade root end, acting to divert airflow towards the root end of the blade to prevent separation of attached airflow. Additionally or alternatively, the stall fence may be arranged as a flow diverter provided towards the blade tip end, to increase airflow in the tip region for increased performance and/or to disrupt the formation of tip vortices.Type: GrantFiled: February 14, 2013Date of Patent: August 7, 2018Assignee: LM WIND POWER A/SInventors: Dhinagaran Ramachandran, Jesper Madsen, Rajkumar Rajamani
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Publication number: 20170363061Abstract: A method of retrofitting vortex generators on a wind turbine blade is disclosed, the wind turbine blade being mounted on a wind turbine hub and extending in a longitudinal direction and having a tip end and a root end, the wind turbine blade further comprising a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow, generating a lift. The method comprises identifying a separation line on the suction side of the wind turbine blade, and mounting one or more vortex panels including a first vortex panel comprising at least one vortex generator on the suction side of the wind turbine blade between the separation line and the leading edge of the wind turbine blade.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Inventor: Jesper MADSEN
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Patent number: 9777703Abstract: A method of retrofitting vortex generators on a wind turbine blade is disclosed, the wind turbine blade being mounted on a wind turbine hub and extending in a longitudinal direction and having a tip end and a root end, the wind turbine blade further comprising a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow, generating a lift. The method comprises identifying a separation line on the suction side of the wind turbine blade, and mounting one or more vortex panels including a first vortex panel comprising at least one vortex generator on the suction side of the wind turbine blade between the separation line and the leading edge of the wind turbine blade.Type: GrantFiled: July 20, 2012Date of Patent: October 3, 2017Assignee: LM WIND POWER A/SInventor: Jesper Madsen
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Publication number: 20170249080Abstract: Embodiments of the present invention includes a method of operating a solid-state storage device, comprising a storage device controller in the storage device receiving a set of one or more rules, each rule comprising (i) one or more request conditions to be evaluated for a storage device action request received from a host computer, and (ii) one or more request actions to be performed on a physical address space of a non-volatile storage unit in the solid-state storage device in case the one or more request conditions are fulfilled; the method further comprises: the storage device receiving a storage device action request, and the storage device evaluating a first rule of the one or more rules by determining if the received request fulfills request conditions comprised in the first rule, and in the affirmative the storage device performing request actions comprised in the first rule. A corresponding solid-state storage device is also provided.Type: ApplicationFiled: February 29, 2016Publication date: August 31, 2017Inventors: Philippe Bonnet, Matias Bjørling, Jesper Madsen, Javier Gonzáles
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Patent number: 9611833Abstract: A blade (10) for a rotor of a wind turbine having a profiled contour divided into: a root region (30), an airfoil region (34), and a transition region (32) between the root region (30) and the airfoil region (34). A shoulder (40) is located at the boundary between the transition region (32) and the airfoil region (34). The blade's profiled contour comprises a local relative thickness defined as the local ratio between a maximum profile thickness (t) and the chord length (c). The ratio between the shoulder width (W) and the blade length (L) being less than or equal to 0.075, and the relative thickness (t/c) in a blade length interval of 0-0.8 L is at least 22%.Type: GrantFiled: July 16, 2010Date of Patent: April 4, 2017Assignee: LM GLASFIBER A/SInventors: Jesper Madsen, Christian Frank Andersen, Peter Fuglsang
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Publication number: 20160312763Abstract: A wind turbine blade is described, as well as a trailing edge plate for a wind turbine blade. A flexible flow modulation device, e.g. an acoustic flap or a plurality of serrations, is arranged at the trailing edge of a wind turbine blade, wherein the flexible device is coupled to at least one aerodynamic device, preferably vortex generators. As the flexible device is bent by action of flow over the wind turbine blade, the at least one aerodynamic device is deployed to provide for attached flow over the bent flexible device.Type: ApplicationFiled: December 18, 2014Publication date: October 27, 2016Inventors: Carlos ARCE, Martin DAHL, Jesper MADSEN
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Patent number: 9133816Abstract: A vortex generator device (70) for mounting on a wind turbine blade (10) is disclosed. The device comprises: a base (71) having, when mounted on an exterior of the wind turbine blade (10), an inner side (72) for attaching on a surface, such as the exterior of the wind turbine blade (10), and an outer side (73) facing away from the exterior of the wind turbine blade (10). The device is provided with a vane vortex generator pair comprising a first vane (79) and a second vane (80) protruding from the outer side (73) of the base (71). The inner side (72) of the base (71) is provided with a recess (74) or undercut for obtaining an adhesive (81).Type: GrantFiled: February 3, 2012Date of Patent: September 15, 2015Assignee: LM Windpower A/SInventors: Lars Erik Jensen, Jesper Madsen
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Patent number: 9051919Abstract: A method of retrofitting flow-altering devices to an outer surface of a wind turbine blade is disclosed. The flow-guiding devices are of the type having a base comprising an inner side for attaching onto the surface of the wind turbine blade, and an outer side with protruding flow-altering device parts. The method comprises the steps of: a) inserting the protruding flow-altering device parts into a mounting plate so that the inner side of the flow-guiding devices are exposed from a first side of the mounting plate, b) adhering the inner side of the flow-altering devices to the surface of the wind turbine blade by applying the first side of the mounting plate onto an area of application on the surface of the wind turbine blade, and c) removing the mounting plate from area of application on the surface of the wind turbine blade.Type: GrantFiled: February 2, 2012Date of Patent: June 9, 2015Assignee: LM Windpower A/SInventors: Lars Erik Jensen, Hans Tommerup Knudsen, Jesper Madsen
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Publication number: 20150017008Abstract: A wind turbine blade is described wherein at least one stall fence is provided on the blade surface, where the stall fence is arranged such that it extends at an angle to the chord of the blade. The stall fence acts to re-direct airflow over the blade, to improve wind turbine performance. The stall fence may be a provided towards the blade root end, acting to divert airflow towards the root end of the blade to prevent separation of attached airflow. Additionally or alternatively, the stall fence may be arranged as a flow diverter provided towards the blade tip end, to increase airflow in the tip region for increased performance and/or to disrupt the formation of tip vortices.Type: ApplicationFiled: February 14, 2013Publication date: January 15, 2015Inventors: Dhinagaran Ramachandran, Jesper Madsen, Rajkumar Rajamani
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Publication number: 20140334930Abstract: A blade (10) for a rotor of a wind turbine (2) is disclosed. The blade is assembled from an inboard blade part (50) closest to the hub and an outboard blade part (110) farthest from the hub of the wind turbine. The inboard part (50) comprises a load carrying structure (60) with a first aerodynamic shell (70) fitted to the load carrying structure (60), and the outboard part (110) comprises a blade shell (141, 143) with a load carrying structure (142, 144) integrated in the blade shell (141, 143).Type: ApplicationFiled: December 20, 2012Publication date: November 13, 2014Inventors: Fons Rob, Jesper Madsen, Flemming Ejlersen, Peter Quiring
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Publication number: 20140241880Abstract: A method of retrofitting vortex generators on a wind turbine blade is disclosed, the wind turbine blade being mounted on a wind turbine hub and extending in a longitudinal direction and having a tip end and a root end, the wind turbine blade further comprising a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow, generating a lift. The method comprises identifying a separation line on the suction side of the wind turbine blade, and mounting one or more vortex panels including a first vortex panel comprising at least one vortex generator on the suction side of the wind turbine blade between the separation line and the leading edge of the wind turbine blade.Type: ApplicationFiled: July 20, 2012Publication date: August 28, 2014Applicant: LM WP PATENT HOLDING A/SInventor: Jesper Madsen
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Publication number: 20140219810Abstract: A particular arrangement of vortex generators for an airfoil is described. The vortex generators are provided in pairs, preferably on a wind turbine blade, wherein by arranging the vortex generators according to specified characteristics, a surprising improvement in blade performance is provided over the prior art systems.Type: ApplicationFiled: July 16, 2012Publication date: August 7, 2014Applicant: LM WP PATENT HOLDING A/SInventors: Ines Würth, Jesper Madsen, Rolf Hansen, Olaf Müller
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Publication number: 20140140856Abstract: Disclosed is a wind turbine blade and a method for retrofitting a wind turbine blade, the wind turbine blade extending in a longitudinal direction along a pitch axis and having a tip end and a root end as well as a blade length, the wind turbine blade further comprising a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow generating a lift, wherein the suction side of the wind turbine blade is provided with a plurality of vortex generators positioned along a mounting line having a proximal end point nearest the root end and a distal end point nearest the tip end, wherein the mounting line is a concave line seen from the trailing edge of the wind turbine blade.Type: ApplicationFiled: July 20, 2012Publication date: May 22, 2014Applicant: LM WP PATENT HOLDING A/SInventors: Jesper Madsen, Ines Wurth, Rolf Hansen, Olaf Muller
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Publication number: 20130115098Abstract: A blade (10) for a rotor of a wind turbine having a profiled contour divided into: a root region (30), an airfoil region (34), and a transition region (32) between the root region (30) and the airfoil region (34). A shoulder (40) is located at the boundary between the transition region (32) and the airfoil region (34). The blade's profiled contour comprises a local relative thickness defined as the local ratio between a maximum profile thickness (t) and the chord length (c). The ratio between the shoulder width (W) and the blade length (L) being less than or equal to 0.075, and the relative thickness (t/c) in a blade length interval of 0-0.8L is at least 22%.Type: ApplicationFiled: July 16, 2010Publication date: May 9, 2013Applicant: LM GLASFIBER A/SInventors: Jesper Madsen, Christian Frank Andersen, Peter Fuglsang
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Patent number: D748171Type: GrantFiled: November 10, 2014Date of Patent: January 26, 2016Assignee: Linak A/SInventors: Norbert Klinke, Jesper Madsen Wolf, Christoph Messing
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Patent number: D852759Type: GrantFiled: November 8, 2017Date of Patent: July 2, 2019Assignee: Linak A/SInventors: Jesper Madsen Wolf, Jais Lundahl Olesen