General Electric Company

The United States of America As Represented by the Department of Energy

Ge Oil & Gas Esp, Inc.

General Electric Technology Gmbh

Kraft Foods Group Brands LLC

Manoj Ramprasad Shah

Gerald Burt Kliman

James Pellegrino Alexander

Ayman Mohamed Fawzi EL-Refaie

Sameh Ramadan Salem

John Michael Kern

Prabhakar Neti

James William Bray

Karim Younsi

Patel Bhageerath Reddy

Ronald Irving Longwell

Tsarafidy Raminosoa

Narendra Digamber Joshi

Rui Zhou

Ronghai Qu

Kiruba Sivasubramaniam

Nathaniel Benedict Hawes

Yingneng Zhou

Charles David Whitefield, Ii

Pinjia Zhang

Evangelos Trifon Laskaris

William Dwight Gerstler

Hao Huang

Christof Martin Sihler

Patricia Chapman Irwin

Dong Dong

Simon Herbert Schramm

Jeremy Daniel Van Dam

Wei Wu

Murtuza Lokhandwalla

Xiaochun Shen

Stefan Grubic

Sang-Bin Lee

Jeremy Daniel VanDam

Svend Erik Rocke

Juan M De Bedout

Norman Arnold Turnquist

William James Premerlani

Lembit Salasoo

Randy M Vondrell

Kurt David Murrow

Konrad Roman Weeber

Di Zhang

Ruxi Wang

Vittorio Michelassi

Ramanujam Ramabhadran

Ralph James Carl, Jr

Judson Sloan Marte

Ara Panosyan

Satish Prabhakaran

Yanzhe Yang

Qin Chen

Henry G Lenz

Siddharth Navinchandra Ashar

Jeffrey Anthony Hamel

Piniwan Thiwanka Bandara Wijekoon

John Andrew Mallick

Ashraf Said Atalla

True T Shih

Steven Joseph Galioto

Karen Broadwell Lausier

Melvin George Johnson

Guanzhong Gao

Russell Earle Walthers

Robert Dean King

Robert Louis Steigerwald

Yang Cao

Mohamed Osama

Patrick Lee Jansen

Hendrik Pieter Jacobus De Bock

Paul Robert Gemin

Ravisekhar Nadimpalli Raju

Timothy Gerard Richter

Michael Joseph Schutten

Jeffrey Michael Breznak

Jan Erich Hemmelmann

Martin Kin-Fei Lee

Luana Emiliana Iorio

James B Archibald

Kiruba Sivasubramaniam Haran

Alexander Felix Fiseni

Tao Zhang

Abdelkrim Younsi

Robert James Thomas

Francesco Papini

Karthik Kumar Bodla

Michal-Wolfgang Waszak

Tiziana Bertoncelli

Stefan Rakuff

Kiyoung Chung

Joo Han Kim

Sebastian Pedro Rosado

Ken Ivcar Salas Nobrega

Peter David Toot

Richard Kenneth Barton

Mayank Tiwari

Owen Scott Quirion

William L Bird

James Pelligrino Alexander

Qi Tan

Embodiments of a propulsion system are provided herein. In some embodiments, a propulsion system for an aircraft may include an electrical power supply; a motor coupled to the electrical power supply, wherein the electrical power supply provides power to the motor; and a fan disposed proximate a rear portion of an aircraft and rotatably coupled to the motor, wherein the fan is driven by the motor.

Propulsion system and methods of use thereof

An electric propulsion system includes at least one generator. The electric propulsion system also includes at least one drive engine coupled to the at least one generator. The electric propulsion system further includes at least one electrical device. The electric propulsion system also includes at least one battery integrated isolated power converter (BIIC), where the at least one generator and at least one of the at least one BIIC and the at least one electrical device are coupled, and where the at least one BIIC and the at least one electrical device are coupled.

Battery integrated isolated power converter and systems for electric vehicle propulsion

A system includes a magnetic material supply for regulating a magnetic material flow rate of a magnetic material and a binder material supply for regulating a binder material flow rate of a binder material. A nozzle is configured for depositing a deposition mixture of the magnetic material and the binder material on a surface and a preheater is configured to preheat the deposition mixture before depositing on the surface. A controller is in operative communication with the magnetic material supply, the binder material supply, and the preheater. The controller is configured to receive an inductor core design file that represents a geometry and a magnetic permeability distribution of an inductor core, move the nozzle to one or more deposition locations, and adjust the magnetic material flow rate to the binder material flow rate to achieve a deposition mixture having a desired magnetic permeability at the deposition locations.

System for manufacturing an inductor core

A permanent magnet machine and a rotor assembly for the permanent magnet machine. The permanent magnet machine includes a stator assembly including a stator core including a stator winding to produce electrical currents. The stator assembly extending along a longitudinal axis with an inner surface defining a cavity. The rotor assembly including a rotor core and a rotor shaft. The rotor core is disposed inside the stator cavity and rotates about the longitudinal axis. The rotor assembly including a plurality of permanent magnets for generating a magnetic field which interacts with the stator winding to produce the electrical currents in response to rotation of the rotor assembly. within one or more cavities formed in a sleeve component. The sleeve component is configured to include a plurality of cavities or voids into which the permanent magnets are disposed to retain the permanent magnets therein and form an interior permanent magnet generator.

Permanent magnet machine with segmented sleeve for magnets

A method of manufacturing an inductor core includes controlling a flow of magnetic material and a flow of binder material to a nozzle such that the flow magnetic material merges with the flow of binder material at a focal point of a preheater, preheating the magnetic material and the binder material by energizing the preheater, mixing the magnetic material and the binder material according to a ratio based on a magnetic permeability distribution of the inductor core, and depositing the magnetic material and the binder material on a surface to form the inductor core having three layers with recessed patterns defined between the layers for receiving a coil.

Additive manufacturing-based low-profile inductor

A switched capacitive device includes a stationary portion including a plurality of first electrodes extending at least partially in a longitudinal dimension. Each first electrode has a first substantially active electrode volume. The device also includes a translatable portion including a plurality of second electrodes proximate the plurality of first electrodes. Each second electrode has a second substantially active electrode volume. The first active electrode volume is greater than the second active electrode volume. The second electrodes are translatable with respect to the first electrodes. The second electrodes extend at least partially in the longitudinal dimension. The first electrodes are configured to induce substantially linear motion of the second electrodes in the longitudinal dimension through the use of an electric field induced by at least a portion of the first electrodes.

Electrodes for linear switched capacitive devices

An electric machine is presented. The electric machine includes a stator and a rotor disposed concentric to the stator. At least one of the rotor and the stator includes a core including a plurality of laminates stacked along the axial direction of the electric machine, where the stacked plurality of laminates defines a plurality of axial slots. The at least one of the rotor and the stator further includes a permanent magnet assembly disposed in one or more of the plurality of axial slots, where the permanent magnet assembly includes two or more permanent magnets disposed serially along the axial direction of the electric machine such that adjacently disposed permanent magnets overlap one another to form an overlapped interface. The overlapped interface spans at least two laminates of the plurality of laminates of the core.

Permanent magnet based electric machine and method of manufacturing the same

A permanent magnet machine and a rotor assembly for the permanent magnet machine. The permanent magnet machine includes a stator assembly including a stator core configured to generate a magnetic field and extending along a longitudinal axis with an inner surface defining a cavity and a rotor assembly including a rotor core and a rotor shaft. The rotor core is disposed inside the stator cavity and configured to rotate about the longitudinal axis. The rotor assembly further including a plurality of permanent magnets for generating a magnetic field which interacts with the stator magnetic field to produce torque. The permanent magnets are disposed within one or more cavities formed in a sleeve component. The sleeve component configured to include a plurality of cavities or voids therein and thus provide minimal weight to the permanent magnet machine. The permanent magnet machine providing increased centrifugal load capacity, increased power density and improved electrical performance.

An electrical propulsion system for a vehicle. The electrical propulsion system includes at least one generator. The electrical propulsion system also includes at least one drive engine coupled to the at least one generator. The electrical propulsion system further includes at least one electrical device and at least one battery integrated power converter (BIC). The at least one generator and at least one of the at least one BIC and the at least one electrical device are coupled. The at least one BIC and the at least one electrical device are coupled.

Electric vehicle propulsion systems and methods of assembling the same

A component of an electrical machine is disclosed. The component includes a core including a plurality of slots, a magnetic field-generating component disposed in at least one slot of the plurality of slots, and a heat dissipating element disposed in a slot of the plurality of slots, in contact with the magnetic field-generating component. The heat dissipating element includes a thermally conductive material having an in-plane thermal conductivity higher than a through-plane thermal conductivity.

System for thermal management in electrical machines

A fault detection system for a wind turbine includes a doubly-fed induction generator (DFIG). The DFIG includes a wye-ring configured for at least three electrical phases. The fault detection system includes a data acquisition system including at least three sensors. Each sensor of said at least three sensors is configured to electrically couple with and measure a respective voltage of each phase of the at least three electrical phases of the wye-ring. The fault detection system further includes an alert system coupled to said data acquisition system. The alert system is configured to apply a Fourier transform to the respective measured voltages of each phase of the at least three electrical phases of the wye-ring. The alert system is further configured to provide an indication of a condition of the wye-ring based upon the transformed measured voltages.

Systems and methods for crack detection in doubly-fed induction generators

An electric machine is presented. The electric machine includes a hollow rotor; and a stator disposed within the hollow rotor, the stator defining a flow channel. The hollow rotor includes a first end portion defining a fluid inlet, a second end portion defining a fluid outlet; the fluid inlet, the fluid outlet, and the flow channel of the stator being configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel; and wherein the hollow rotor is characterized by a largest cross-sectional area of hollow rotor, and wherein the flow channel is characterized by a smallest cross-sectional area of the flow channel, wherein the smallest cross-sectional area of the flow channel is at least about 25% of the largest cross-sectional area of the hollow rotor. An electric fluid pump and a power generation system are also presented.

Electric machine including a stator defining a flow channel

A method for use in reducing an inductance of a circuit including a commutation loop defined at least in part by a source conductor and a return conductor between a first component and a second component is described. The method includes disposing a conductive inductance reducer within the commutation loop. The conductive inductance reducer includes an electrically conductive material and an insulator.

Systems and methods for reducing loop inductance

Growing community of inventors

Latham, NY, United States of America

Manoj Ramprasad Shah