General Electric Company

Ge Infrastructure Technology, LLC

General Electric Renovables Espana, S.l.

Norman Arnold Turnquist

Christopher Edward Wolfe

Frederick George Baily

Osman Saim Dinc

Robert Harold Cromer

Biao Fang

Mark Edward Burnett

Bharat S Bagepalli

George Ernest Reluzco

David Robert Skinner

Gregory Edward Cooper

Shorya Awtar

William Edward Adis

Pascal Meyer

Mahmut Faruk Aksit

Farshad Ghasripoor

Hamid Reza Sarshar

Xiaoqing Zheng

Mehmet Demiroglu

Lawrence Edward Rentz

Bugra Han Ertas

James Robert Tobin

Bernard Arthur Couture, Jr

David Alan Caruso

Hrishikesh Vishvas Deo

Bruce William Brisson

Xiaopeng Li

Ravindra Shankar Ganiger

Daniel Jason Erno

Hua Xia

Kevin Thomas McCarthy

Imdad Imam

Danian Zheng

Rodrigo Rodriguez Erdmenger

Michael Dennis Mack

Mark William Kowalczyk

Manoj Ramprasad Shah

Neelesh Nandkumar Sarawate

Fulton Jose Lopez

Jeremy Daniel Van Dam

Anthony Holmes Furman

Ahmad Safi

Roderick Mark Lusted

Jason Paul Mortzheim

Richard Robert Larsen

Lawrence Donald Willey

Xuele Qi

Xiaochun Shen

Paul Thomas Marks

Tsarafidy Raminosoa

Shourya Prakash Otta

Gerald Burt Kliman

Kripa K Varanasi

David Raju Yamarthi

Minyoung Lee

Stefan Herr

Deepak Trivedi

Rahul Anil Bidkar

Todd Alan Anderson

Donald E Woodmansee

John Francis Nolan

Stephen Bertram Johnson

Thomas Merzhaeuser

Azam Mihir Thatte

Andreas Herrig

Vidyashankar Ramasastry Buravalla

Kevin Leon Bruce

Peggy Lynn Baehmann

Adam Daniel Minadeo

Roger Neal Johnson

Shahid Ali

Kamlesh Mundra

James Henry Madge

Alan Majors Walker

Ziqiang Hu

Richard Jon Chevrette

David So Keung Chan

Juntao Wu

Paul Mathew

Wu-Yang Tseng

Rupam Mukherjee

Gregory Allan Crum

Glenn Herbert Nichols

Todd DarVel Andersen

Omprakash Samudrala

Huageng Luo

Veena Padmarao

Shivaram Ac

James C Przytulski

Alexander Seth Ross

Raymond Edward Chupp

Clement Gazzillo

Ronald Wayne Korzun

Nikhil Kumar Verma

Edward Arthur Dewhurst

Ming Zhou

Edip Sevincer

Parmeet Singh Chhabra

James William Stegmaier

Yun Li

A windage cover for a plurality of fasteners coupling a ring gear assembly to an output shaft. The windage cover includes a clip retention member abutting an integral cover shell of the output shaft, and a foot portion configured to be inserted into a pilot groove between an integral lip and an arm portion of the output shaft. The windage cover also includes a wall portion connected to the foot portion, the wall portion being retained at one end of the wall portion by the clip retention member. The windage cover is configured to cover the plurality of fasteners.

Windage cover that covers fasteners coupling a ring gear assembly to an output shaft

A system and method are provided for manufacturing a tower structure. Accordingly, an interlocking form ring is additively manufactured with a first printhead assembly. The interlocking form ring defines a plurality of recesses in a radially inner or a radially outer face. A cementitious material is deposited within one or more of the recesses with a second printhead assembly. At least one reinforcing member is positioned within the recess with the second printhead assembly. The second printhead assembly is positioned adjacent to the cementitious material during the curing thereof so as to provide a slip form for the curing of the cementitious material.

System and method for manufacturing a tower structure

A method for manufacturing a tower structure, the method including printing and depositing, with at least one variable-width deposition nozzle of a printhead assembly, one or more layers of at least one wall element of the tower structure, the at least one wall element having an outer circumferential surface and an inner circumferential surface. The method also including forming, with the at least one variable-width deposition nozzle, at least one void into the at least one wall element. The method also including placing at least one reinforcement member within the at least one void so as to position the at least one reinforcement member closer to a neutral axis of the at least one wall element than at least one of the outer circumferential surface or the inner circumferential surface.

A gearbox assembly for a gas turbine engine includes a hollow gear. The hollow gear has one or more reservoirs configured to store a lubricant and one or more passages configured to supply the lubricant to one or more gear meshes in the gearbox assembly. The hollow gear provides a dampening system configured to absorb vibrations and loading experienced in the gearbox assembly and configured to provide impact resistance for the gearbox assembly.

Gearbox assembly

A passive auxiliary lubrication system for supplying lubricant to a gearbox assembly of an engine. The passive auxiliary lubrication system includes an auxiliary tank for storing lubricant. The auxiliary tank is passively pressurized. The passive auxiliary lubrication system also includes an auxiliary tank feed line fluidly coupled with the auxiliary tank and a primary lubrication system. The lubricant is supplied to the auxiliary tank from the primary lubrication system through the auxiliary tank feed line and the lubricant is passively pressurized in the auxiliary tank. The passive auxiliary lubrication system further includes an auxiliary supply line fluidly coupled with the auxiliary tank and the gearbox assembly. The lubricant in the auxiliary tank is supplied to the gearbox assembly through the auxiliary supply line.

Passive auxiliary lubrication system

A method for manufacturing a tower structure of a wind turbine includes printing, via an additive printing device, a plurality of concentric sections of the tower structure of the wind turbine. The concentric sections may be printed simultaneously from concrete, may include tensioning cables or other structural supports, and may define other support flanges or overhangs. After curing, the method may include raising an inner section of the plurality of concentric sections to a top of an adjacent outer section and joining the two sections. This process may be repeated to telescope the concentric sections and raise the tower structure.

Method for manufacturing a telescoping wind turbine tower structure

A method for manufacturing a tower structure of a wind turbine at a wind turbine site. The method includes determining an optimized shape of the tower structure based on one or more site parameters. Further, the optimized shape of the tower structure is non-symmetrical. In a further step, the method include printing, via an additive printing device, the optimized shape of the tower structure of the wind turbine at the wind turbine site, at least in part, of a cementitious material. In addition, the method includes allowing the cementitious material to cure so as to form the tower structure of the wind turbine.

Method for manufacturing a wind turbine tower structure based on wind direction

A system for manufacturing a tower structure of a wind turbine includes an additive printing device having a central frame structure with a platform and an arm member. The arm member is generally parallel to a longitudinal axis of the tower structure. The additive printing device also includes a plurality of robotic arms secured to the arm member of the central frame structure. Each of the robotic arms includes a printer head for additively printing one or more materials. The additive printing device further includes at least one nozzle configured for dispensing a cementitious material. Moreover, the system includes one or more molds additively printed via the additive printing device of a polymer material. As such, the mold(s) define inner and outer wall limits of the tower structure. After the mold(s) are printed and solidified, at least one of the printer heads or the nozzle of the additive printing device is configured to dispense the cementitious material between the inner and outer wall limits of the tower structure.

Multi-head additive printing device for manufacturing wind turbine tower structure

An additive printing device and a method for using the same to manufacture a tower structure of a wind turbine is provided. The additive printing device includes a vertical support structure, a support ring suspended from the vertical support structure, and a printer head movably coupled to the support ring for selectively depositing cementitious material. A drive mechanism, such as a rack and pinion, moves the printer head around the support ring while selectively depositing cementitious material. The vertical support structure may be raised and/or the relative position between the vertical support structure and the printer head may be adjusted to raise the printer head to print subsequent layers. This process may be repeated to print the tower structure layer-by-layer from the ground up.

System and method for manufacturing a wind turbine tower structure

A system and method are provided for manufacturing a tower structure. Accordingly, one or more layers of a wall element are deposited with a printhead assembly. At least one recess is defined in the wall element. The recess(es) has a single, circumferential opening positioned along an inner reference curve or an outer reference curve of the wall element. The recess(es) also has a depth which extends in a radial direction and intersects a midline reference curve. A reinforcing element is placed entirely within the recess(es) at the midline reference curve.

The present application presents novel systems and methods for tracking reinforcement member placement in an additively manufactured structure that are simple, accurate, non-labor-intensive, and cost-effective. The present application also presents a novel method of manufacturing a tower structure comprising: depositing, via an additive printing system, a first printed layer of a wall with a printhead assembly, the wall at least partially circumscribing a vertical axis of the tower structure; positioning a first reinforcement member on the first printed layer; depositing, via the additive printing system, a second printed layer of the wall with the printhead assembly on the first reinforcement member, the second printed layer configured to hold a second reinforcement member thereon; and determining, via an optical sensor of the additive printing system, a position for placing the second reinforcement member based on the first reinforcement member positioning.

System and method for tracking reinforcement member placement in an additively manufactured structure

A method for operating a generator of a wind turbine includes generating, via a controller, a time series of a plurality of operating signals of the generator. The method also includes applying at least one algorithm to the time series of the plurality of operating signals of the generator to generate a processed time series of the of the plurality of operating signals of the generator. Moreover, the method includes identifying, via the controller, patterns in the processed time series of the plurality of operating signals of the generator to identify one or more of at least one slip event occurring in the slip coupling or a surface health of the slip coupling. Further, the method includes implementing, via the controller, a control action when the at least one slip event occurring in the slip coupling is identified or the surface health of the slip coupling is indicative of degradation in the slip coupling.

System and method for slip detection and surface health monitoring in a slip coupling of a rotary shaft

A tower structure of a wind turbine includes a plurality of tower sections stacked atop each other in an end-to-end configuration along a vertical axis to form the tower structure of the wind turbine at a wind turbine site. Each of the tower sections is formed of at least one first tubular portion and at least one second tubular portion. Further, the first and second tubular portions of each of the plurality of tower sections are concentric with each other. Moreover, the first tubular portion is formed at least in part, of a cementitious material and the second tubular portion is formed of a perforated material having a plurality of holes.

Concentric metal and cementitious wind turbine tower structure and method of manufacturing same

A method of manufacturing a tower structure includes providing an additive printing device having at least one printer head atop a support surface. The method also includes positioning a pre-fabricated component adjacent to the support surface. The pre-fabricated component is constructed of a composite material reinforced with a plurality of reinforcement members. Further, portions of the plurality of reinforcement members protrude from the composite material. Moreover, the method includes printing and depositing, via the at least one printer head, a cementitious material onto the support surface to build up the tower structure layer by layer around the pre-fabricated component. Thus, the portions of the plurality of reinforcement members that protrude from the composite material reinforce the cementitious material around the pre-fabricated component.

Pre-fabricated component for an additively manufactured wind turbine tower structure

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Sloansville, NY, United States of America

Norman Arnold Turnquist