General Electric Company

General Electric Deutschland Holding Gmbh

General Electric Company Polska Sp. Z O.o.

Hyliion Holdings Corp.

Ge Aviation Systems Limited

Vestas Wind Systems A/s

Baker Hughes, a Ge Compnay, LLC

General Electric Company Deutschland Holding Gmbh

Baker Hughes Holdings LLC

Mohamed Osama

Joshua Tyler Mook

Mohammed El Hacin Sennoun

Aigbedion Akwara

Michael Robert Notarnicola

Jason Joseph Bellardi

Kevin Michael VandeVoorde

John Russell Yagielski

Francesco Papini

Darek Tomasz Zatorski

Anoop Jassal

Michael Thomas Gansler

Kum Kang Huh

Scott Douglas Waun

Vandana Prabhakar Rallabandi

Adam Tomasz Paziński

Mary Kathryn Thompson

Rajib Datta

Zachary William Nagel

Maciej Krzysztof Grunwald

Victor Luis Marrero Ortiz

Alexander Felix Fiseni

Bartlomiej Drozd

Gerald Burt Kliman

Neil Richard Garrigan

Joseph John Zierer

Rosa Castane Selga

Miroslaw Czarnik

Bartłomiej Drozd

Christopher Charles Glynn

Konrad Roman Weeber

David Allan Torrey

Francis Johnson

Satish Prabhakaran

Jan Erich Hemmelmann

Christoph Boeld

Siddharth Navinchandra Ashar

Ramasamy Anbarasu

Tomasz Jan Bulsiewicz

Vishnu Mahadeva Iyer

Thomas Helmut Ripplinger

Jose Maria Rey Villazon

Wen Liang Soong

Łukasz Maciej Janczak

Arthur William Sibbach

Narendra Digamber Joshi

Manoj Ramprasad Shah

Randy M Vondrell

Paul Robert Gemin

Gregory Alan Steinlage

Karim Younsi

Richard Ludwig Schmidt

Vittorio Michelassi

Di Pan

Kum-Kang Huh

David Marion Ostdiek

Naveenan Thiagarajan

Andrew Thomas Cross

Karthik Kumar Bodla

Wei Zhang

Raghavendra Rao Adharapurapu

Ismail Hakki Sezal

Thomas Alban

William Joseph Solomon

Adam Tomasz Pazinski

Massimiliano Ortiz Neri

Rene Du Cauze De Nazelle

Tiziana Bertoncelli

Mark Dame

Duccio Fioravanti

Pablo Gabriel Piazza Galarza

Fabian Isaza

Wei-Min Ren

Mayank Tiwari

Brendan Michael Freely

Egidio Marotta

Lijun He

Hridya Ittamveettil

Christopher N Delametter

Rangasai Madoor Comandore

Adolfo Anta Martinez

Miroslaw Sobaniec

Alexander M Blok

Raphael Neumann

Pawel Piotr Hańczewski

Mirosław Czarnik

Ravishankar Balasubramanian

Paweł Piotr Hańczewski

Pawel Pawlowski

Anoop Kumar Jassal

A power system including a power converter system and an electric machine is provided. In one aspect, the power converter system has first and second switching elements. The electric machine includes a first multiphase winding electrically coupled with the first switching elements and a second multiphase winding electrically coupled with the second switching elements. The first and second multiphase windings are arranged and configured to operate electrically opposite in phase with respect to one another. One or more processors control the first switching elements to generate first pulse width modulated (PWM) signals based on received voltage commands to render a first common mode signal and also control the second switching elements to generate second PWM signals based on received voltage commands to render a second common mode signal. The rendered first and second common mode signals have the same or similar waveform with opposite polarity with respect to one another.

Reduction of common mode emission of an electrical power converter

A propulsor is provided including a gas turbine engine having a shaft and one or more bearings supporting the shaft, a rotor hub operatively coupled to the shaft and comprising a hub flange, an electric machine comprising a stator assembly and a rotor assembly, a rotor connection member operatively coupled to the rotor assembly of the electric machine and comprising a connection flange, and an insulated joint for operatively coupling the rotor assembly with the shaft. The insulated joint includes a plurality of insulative layers, at least one of the plurality of insulative layers extending between the hub flange and the connection flange to interrupt common mode electric current from flowing between the rotor assembly and the shaft.

Bearing current mitigation for an electric machine embedded in a gas turbine engine

A turbomachine is provided. In one aspect, the turbomachine includes a rotating component and an electric machine that includes a stator assembly and a rotor assembly rotatable with the rotating component relative to the stator assembly. Further, the turbomachine includes an actuator coupled with the rotor assembly, the stator assembly, or both for moving the rotor assembly, the stator assembly, or both relative to one another. In addition, the turbomachine includes a controller configured to receive data indicating an operating state of the rotating component and cause the actuator to adjust a position of at least one of the stator assembly and the rotor assembly based at least in part on the operating state of the rotating component.

Gas turbine engine equipped with a control system for management of rotor modes using an electric machine

An electric machine is provided. The electric machine defines a centerline and includes: a stator assembly; a rotor assembly rotatable relative to the stator assembly about the centerline; and an actuator coupled to the rotor assembly, the stator assembly, or both for moving the rotor assembly, the stator assembly, or both along the centerline between a first position and a second position, the rotor assembly positioned closer to the stator assembly when in the first position than when in the second position.

Electric machine

A generator assembly includes a stator assembly coupled to an engine stator component of a propulsion engine, the stator assembly including: a stator support structure fixedly attached to the engine stator component; a stator disposed on a supporting surface of the stator support; a manifold coupled to the stator support, the manifold defining a connection volume and including at least one coolant opening at a connection end of the manifold; and an electrical connector extending between the stator and a connection device disposed on the connection end. The generator assembly also includes a rotor assembly comprising a rotor support structure connected to a shaft of the propulsion engine and a rotor attached to the rotor support structure, wherein the rotor rotates in conjunction with the shaft to generate a power signal that travels through the electrical connector to the connection device.

Connection structure for a generator assembly

An electrical machine includes a stator assembly coupled to an engine stator component of a propulsion engine. The stator assembly includes a stator support assembly fixedly attached to the engine stator component and a stator disposed on a supporting surface of the stator support structure. The electrical machine also includes a rotor assembly including a rotor support structure connected to a shaft of the propulsion engine and a rotor attached to the rotor support structure such that the rotor is disposed radially inward of the stator. The rotor exchanges rotational energy with the shaft to operate as either an electrical motor or an electrical generator.

Electrical machines for integration into a propulsion engine

An AC electrical system for a vehicle and methods of operating the same are provided. In one aspect, an AC electrical system includes a first electric machine mechanically coupled with a first spool of a gas turbine engine and a second electric machine mechanically coupled with a second spool of the gas turbine engine. The system also includes a first AC bus and a second AC bus. A first electrical channel electrically couples the first electric machine to the first AC bus and a second electrical channel electrically couples the second electric machine to the second AC bus. The system also includes one or more connection links and one or more power converters for selectively electrically coupling the first and second electrical channels so that electrical power generated by one electric machine can be converted and shared with the other electric machine and electrical loads of the other channel.

AC electrical power system for a vehicle

An electric power system for a vehicle includes at least one electric machine, one or more power rectifiers, and a plurality of DC channels. The at least one electric machine includes a plurality of tooth-wound multi-phase windings that are substantially magnetically decoupled, and the at least one electric machine is mechanically balanced even if one of the plurality of windings is de-energized. The one or more power rectifiers are configured to produce rectified power from the power generated by the at least one electric machine. The plurality of DC channels are formed after the at least one power rectifier and are configured to provide DC power to one or more loads within a vehicle.

Electric power system for a vehicle

An electric propulsor is provided. The electric propulsor includes a core cowl and an outer cowl. A first air flowpath is defined radially outward of the outer cowl and a second air flowpath is defined between the core cowl and the outer cowl. The electric propulsor also includes one or more electric machines, a fan rotatably drivable by at least one electric machine, and a booster having a plurality of airfoils disposed at least in part in the second air flowpath, the booster being rotatably drivable by at least one electric machine for compressing air flowing along the second air flowpath. The electric propulsor further includes a heat exchanger disposed within the second air flowpath downstream of the booster, the heat exchanger being in thermal communication with at least one of the one or more electric machines and/or a gearbox mechanically coupled with the fan.

Electric propulsor with electric machine in thermal communication with a heat exchanger

A system for energy conversion including a closed cycle engine containing a volume of working fluid is provided. The engine includes a double-ended piston assembly including a pair of pistons coupled to a connection member. An expansion chamber is separated from a compression chamber by the piston. The engine defines an outer end and an inner end relative to a lateral extension of the piston assembly. A heater body is positioned thermally proximal to the expansion chamber and thermally distal to the compression chamber, and the heater body is positioned at the outer end of the engine. A load device is operably coupled to the piston assembly at the inner end of the engine. The load device is positioned between the pair of pistons of the piston assembly.

System and apparatus for energy conversion

A stator core is provided that can define a plurality of core slots in a surface thereof. The core slots can extend between a first and a second end portion of the stator core. A winding can be housed in the core slots. The winding can define a channel through at least a portion thereof. A cooling system can be operably coupled with the channel and can be configured to move a cooling fluid through the channel. A turbulator can be positioned within the channel. The turbulator can be within a flowpath of the cooling fluid and can be integrally formed with the winding.

A vehicle includes a gas turbine engine having at least two spools and an associated power system. The power system includes two independent power subsystems, including a first power subsystem for managing power transfer between spools and a second power subsystem for supplying a base power load to the vehicle. The first power subsystem has a first electric machine mechanically coupled with a first spool of the gas turbine engine and a second electric machine mechanically coupled with a second spool. The second electric machine is electrically coupled with the first electric machine such that electrical power is transmittable therebetween. The second power subsystem has a third electric machine mechanically coupled with one of the spools. The third electric machine is electrically coupled with a load positioned offboard the gas turbine engine. The first power subsystem and the second power subsystem are electrically decoupled from one another.

Electrical power system for a vehicle

An electric power conversion system comprising: an alternating current (AC) source comprising a plurality of AC terminals for conducting AC power; a voltage source electrically coupled to the AC terminals; and a controller operably coupled to the voltage source, the controller being configured to: operate the voltage source to apply a fault reducing voltage at the AC terminals that reduces an AC line-to-line fault current (I).

Fault current mitigation for an electrical power conversion system

Growing community of inventors

Garching, Germany

Mohamed Osama