Patents by Inventor Ricardo Lázaro
Ricardo Lázaro 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: 11608812Abstract: Methods (200) for reducing vibrations in one or more rotor blades (120) of a wind turbine (160), when the wind turbine is in standstill conditions are provided. The method comprises measuring (201) one or more deformation parameters indicative of deformation of one or more blades (120), determining (202), at a dedicated controller (190) for an auxiliary drive system (20, 107), a vibration of one or more of the blades (120) based on the deformation parameters, wherein the dedicated controller (190) for the auxiliary drive system is separate from the wind turbine controller (180), and generating (203), at the dedicated controller (190), an output signal to operate the auxiliary drive system to reduce the vibration. Also disclosed are wind turbines (160) which comprise a dedicated controller (190) configured to determine a vibration and generating an output signal to reduce the vibration, when the wind turbine is in standstill conditions.Type: GrantFiled: December 4, 2019Date of Patent: March 21, 2023Assignee: General Electric Renovables España, S. L.Inventors: Pedro Arroyo Beltri, Thomas Picard, Marc Canal Vila, Ricardo Lázaro Bosch, Pedro Palomares Rentero
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Publication number: 20200173418Abstract: Methods (200) for reducing vibrations in one or more rotor blades (120) of a wind turbine (160), when the wind turbine is in standstill conditions are provided. The method comprises measuring (201) one or more deformation parameters indicative of deformation of one or more blades (120), determining (202), at a dedicated controller (190) for an auxiliary drive system (20, 107), a vibration of one or more of the blades (120) based on the deformation parameters, wherein the dedicated controller (190) for the auxiliary drive system is separate from the wind turbine controller (180), and generating (203), at the dedicated controller (190), an output signal to operate the auxiliary drive system to reduce the vibration. Also disclosed are wind turbines (160) which comprise a dedicated controller (190) configured to determine a vibration and generating an output signal to reduce the vibration, when the wind turbine is in standstill conditions.Type: ApplicationFiled: December 4, 2019Publication date: June 4, 2020Inventors: Pedro Arroyo Beltri, Thomas Picard, Marc Canal Vila, Ricardo Lázaro Bosch, Pedro Palomares Rentero
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Patent number: 10343875Abstract: The assembly includes a tool with a stem having a first end having a projecting portion such as a ring, and a second end adapted to be engaged by lifting equipment. The assembly also includes a stem receiving portion formed in a wind turbine part to be lifted. The stem of the tool is adapted to be freely passed through the stem receiving portion until the first end of the stem is locked to the stem receiving portion, thereby preventing the stem from separating from the stem receiving portion when lifting the wind turbine part.Type: GrantFiled: December 11, 2015Date of Patent: July 9, 2019Assignee: GE RENEWABLE TECHNOLOGIES WIND B.V.Inventors: Pere Cortada Acosta, Ricardo Lázaro, Ferran Roura, Laura Carrión
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Patent number: 9909561Abstract: A rotor assembly for a wind turbine comprises a hub, a blade provided with a blade root portion and a strengthener for the blade root portion. The strengthener comprises a supporting part that strengthens the blade root portion and the supporting part comprises a supporting portion to temporarily support the blade. The supporting portion is made in one piece with the supporting part. The rotor assembly also comprises a number of first fasteners and second fasteners to fasten the blade root portion to the hub. The second fasteners are adapted to fasten the supporting part of the strengthener to the blade root portion when the latter is not fastened to the hub.Type: GrantFiled: June 21, 2013Date of Patent: March 6, 2018Assignee: ALSTOM Renewable TechnologiesInventors: Isaac Gil Mollà, Ricardo Lázaro
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Patent number: 9869294Abstract: The safety structure comprises temporarily deployable safety bars that can be attached to a support member associated with at least one of a wind turbine hub, a wind turbine blade, a wind turbine root section, a wind turbine yaw mechanism, a wind turbine tower base, a wind turbine foundation, and a wind turbine nacelle. The bars can be coupled with each other and the structure may comprise at least one inflatable portion. The safety bars are first attached to the support member surrounding a wind turbine portion and then coupled to each other defining a fence structure.Type: GrantFiled: March 10, 2016Date of Patent: January 16, 2018Assignee: GE Renewable Technologies Wind B.V.Inventors: Ricardo Lázaro, Miquel Tarragó Raventós
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Patent number: 9458822Abstract: It includes a rotatable hub carrying blades and a device for attaching a portion of the blades to a portion of the hub. The attaching device includes bushings inside of which corresponding studs can be secured. At least some of the bushings are provided with at least one securing end adapted for providing the stud with a degree of rotation relative to the bushing. Bushings may include an inner receiving member for receiving a corresponding end of the stud. The receiving member can be rotated inside the bushing around an axis.Type: GrantFiled: August 1, 2012Date of Patent: October 4, 2016Assignee: ALSTOM RENOVABLES ESPAÑA, S.L.Inventors: Luca Feigl, José Luis Román Mallada, Ricardo Lázaro
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Publication number: 20160265507Abstract: The safety structure comprises temporarily deployable safety bars that can be attached to a support member associated with at least one of a wind turbine hub, a wind turbine blade, a wind turbine root section, a wind turbine yaw mechanism, a wind turbine tower base, a wind turbine foundation, and a wind turbine nacelle. The bars can be coupled with each other and the structure may comprise at least one inflatable portion. The safety bars are first attached to the support member surrounding a wind turbine portion and then coupled to each other defining a fence structure.Type: ApplicationFiled: March 10, 2016Publication date: September 15, 2016Inventors: Ricardo LÁZARO, Miquel Tarragó Raventós
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Publication number: 20160258415Abstract: In a first aspect, the invention provides a hub to be mounted on a wind turbine having a frame to be surrounded by the hub. The hub comprises a front bearing seat and a rear bearing seat for rotatably mounting the hub on the frame through respective front and rear bearings, in such a way that the frame is provided at least partially internally of the hub. The hub further comprises a plurality of beams connecting the front bearing seat and the rear bearing seat. In a second aspect, the invention provides a wind turbine comprising a hub according to the first aspect of the invention and a frame surrounded by the hub. The hub is rotatably mounted on the frame through respective front and rear bearings, in such a way that the frame is provided at least partially internally of the hub.Type: ApplicationFiled: December 3, 2014Publication date: September 8, 2016Inventors: Ricardo LÁZARO, Laia ESTEBAN
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Publication number: 20160169191Abstract: The assembly includes a tool with a stem having a first end having a projecting portion such as a ring, and a second end adapted to be engaged by lifting equipment. The assembly also includes a stem receiving portion formed in a wind turbine part to be lifted. The stem of the tool is adapted to be freely passed through the stem receiving portion until the first end of the stem is locked to the stem receiving portion, thereby preventing the stem from separating from the stem receiving portion when lifting the wind turbine part.Type: ApplicationFiled: December 11, 2015Publication date: June 16, 2016Inventors: Pere CORTADA ACOSTA, Ricardo LÀZARO, Ferran ROURA, Laura CARRIÓN
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Publication number: 20150167634Abstract: In a first aspect, the invention provides a hub to be mounted on a wind turbine having a frame to be surrounded by the hub. The hub comprises a front bearing seat and a rear bearing seat for rotatably mounting the hub on the frame through respective front and rear bearings, in such a way that the frame is provided at least partially internally of the hub. The hub further comprises a plurality of beams connecting the front bearing seat and the rear bearing seat. In a second aspect, the invention provides a wind turbine comprising a hub according to the first aspect of the invention and a frame surrounded by the hub. The hub is rotatably mounted on the frame through respective front and rear bearings, in such a way that the frame is provided at least partially internally of the hub.Type: ApplicationFiled: December 3, 2014Publication date: June 18, 2015Inventors: Ricardo LÁZARO, Laia ESTEBAN
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Publication number: 20150167632Abstract: A rotor assembly for a wind turbine comprises a hub, a blade provided with a blade root portion and a strengthener for the blade root portion. The strengthener comprises a supporting part that strengthens the blade root portion and the supporting part comprises a supporting portion to temporarily support the blade. The supporting portion is made in one piece with the supporting part. The rotor assembly also comprises a number of first fasteners and second fasteners to fasten the blade root portion to the hub. The second fasteners are adapted to fasten the supporting part of the strengthener to the blade root portion when the latter is not fastened to the hub.Type: ApplicationFiled: June 21, 2013Publication date: June 18, 2015Inventors: Isaac Gil Mollà, Ricardo Lázaro
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Publication number: 20140127028Abstract: It includes a rotatable hub carrying blades and a device for attaching a portion of the blades to a portion of the hub. The attaching device includes bushings inside of which corresponding studs can be secured. At least some of the bushings are provided with at least one securing end adapted for providing the stud with a degree of rotation relative to the bushing. Bushings may include an inner receiving member for receiving a corresponding end of the stud. The receiving member can be rotated inside the bushing around an axis.Type: ApplicationFiled: August 1, 2012Publication date: May 8, 2014Applicant: ALSTOM RENOVABLES ESPAÑA, S.L.Inventors: Luca Feigl, José Luis Román Mallada, Ricardo Lázaro