公开(公告)号：US10351253B2

公开(公告)日：2019-07-16

申请号：US14984992

申请日：2015-12-30

Applicant: General Electric Company

Inventor： Dong Dong ,  Manoj Ramprasad Shah ,  Rui Zhou ,  Hao Huang ,  Di Zhang

IPC: B64D27/24 ,  H02M7/797 ,  H02M5/458 ,  H02M7/483 ,  B64D27/02 ,  H02M1/00

Abstract: 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.

公开(公告)号：US10024296B2

公开(公告)日：2018-07-17

申请号：US14804782

申请日：2015-07-21

Applicant: General Electric Company

Inventor： Jeremy Daniel Van Dam ,  Norman Arnold Turnquist ,  Tsarafidy Raminosoa ,  Manoj Ramprasad Shah ,  Xiaochun Shen

IPC: H02K5/12 ,  F03B3/10 ,  H02K7/14 ,  H02K9/19 ,  F04D13/06 ,  F03B13/02 ,  F24J3/08 ,  H02K1/20 ,  H02K5/128 ,  H02K5/132 ,  H02K5/20 ,  H02K7/08 ,  H02K7/18 ,  H02K16/00 ,  H02K21/22

Abstract: 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.

公开(公告)号：US09985550B2

公开(公告)日：2018-05-29

申请号：US14581466

申请日：2014-12-23

Applicant: General Electric Company

Inventor： Ravisekhar Nadimpalli Raju ,  Manoj Ramprasad Shah

IPC: H02M7/00 ,  H02M7/537 ,  H02M7/5387

CPC classification number: H02M7/003 ,  H02M7/5387

Abstract: 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.

公开(公告)号：US09979248B2

公开(公告)日：2018-05-22

申请号：US14754138

申请日：2015-06-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Steven Joseph Galioto ,  Manoj Ramprasad Shah ,  Patel Bhageerath Reddy ,  Nathaniel Benedict Hawes

IPC: H02K3/28 ,  H02K3/12 ,  H02K1/16 ,  H02K1/27 ,  H02K21/14

CPC classification number: H02K3/28 ,  H02K1/16 ,  H02K1/274 ,  H02K3/12 ,  H02K3/493 ,  H02K21/14 ,  H02K2213/03

Abstract: A permanent magnet (PM) machine includes a rotor and a stator assembly. The rotor includes a plurality of permanent magnets disposed about an axis of rotation. The stator assembly includes a stator body, a plurality of coil sides and a plurality of sintered iron magnetic wedges. The stator body includes a plurality of stator teeth defining a plurality of stator slots, each stator slot having an inside position and an outside position, such that each of the plurality of stator slots includes a first plurality of inside positions, and a first plurality of outside positions. The first plurality of coil sides are disposed in each of the first plurality of inside positions and the first plurality of outside positions. The first plurality of coil sides correspond to a first power phase. The first plurality of coil sides are electrically coupled to one another by a first plurality of end-coils. The plurality of sintered iron magnetic wedges are disposed at the openings of at least one stator slot of the plurality of stator slots.

公开(公告)号：US20170190434A1

公开(公告)日：2017-07-06

申请号：US14984992

申请日：2015-12-30

Applicant: General Electric Company

Inventor： Dong Dong ,  Manoj Ramprasad Shah ,  Rui Zhou ,  Hao Huang ,  Di Zhang

IPC: B64D27/24 ,  H02M5/458 ,  H02M7/797

CPC classification number: B64D27/24 ,  B60Y2200/51 ,  B60Y2200/92 ,  B64D2027/026 ,  B64D2221/00 ,  H02M5/458 ,  H02M7/483 ,  H02M7/797 ,  H02M2001/0077 ,  H02M2007/4835 ,  Y02T50/44 ,  Y02T50/64 ,  Y10S903/903

Abstract: 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.

公开(公告)号：US20170166316A1

公开(公告)日：2017-06-15

申请号：US14965359

申请日：2015-12-10

Applicant: General Electric Company

Inventor： Rui Zhou ,  Hao Huang ,  Manoj Ramprasad Shah ,  Dong Dong

IPC: B64D27/24 ,  H02M7/44 ,  H02M7/04 ,  B60L11/12

CPC classification number: B64D27/24 ,  B60L11/123 ,  B60L15/20 ,  B60L2200/10 ,  B60L2210/30 ,  B60Y2200/92 ,  B64D2027/026 ,  B64D2221/00 ,  H02M7/49 ,  H02M2007/4835 ,  Y02T10/6217 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7077 ,  Y02T10/7241 ,  Y02T10/7275 ,  Y02T50/44 ,  Y02T50/64 ,  Y10S903/903

Abstract: 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.

公开(公告)号：US20170141655A1

公开(公告)日：2017-05-18

申请号：US14940712

申请日：2015-11-13

Applicant: General Electric Company

Inventor： Karthik Kumar Bodla ,  Manoj Ramprasad Shah ,  Steven Joseph Galioto

IPC: H02K9/22

CPC classification number: H02K9/22

Abstract: 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.

公开(公告)号：US20170141633A1

公开(公告)日：2017-05-18

申请号：US14940498

申请日：2015-11-13

Applicant: General Electric Company

Inventor： Ashraf Said Atalla ,  Manoj Ramprasad Shah ,  Satish Prabhakaran ,  James Pellegrino Alexander

IPC: H02K3/28 ,  H02K11/00 ,  H02P27/04 ,  H02K11/04

CPC classification number: H02K3/28 ,  H02K11/0094 ,  H02K11/04 ,  H02K11/20 ,  H02K11/25 ,  H02K19/10 ,  H02K19/34 ,  H02K2213/09 ,  H02P25/18 ,  H02P25/22 ,  H02P27/04

Abstract: An electrical machine is provided. The electrical machine includes a stator, a rotor, and a plurality of switches. The stator includes main windings and auxiliary windings. The rotor is couplable to a prime mover configured to turn the rotor relative to the stator to generate at least six phases of alternating current (AC) power at the main windings. The plurality of switches is respectively coupled between the auxiliary windings and groups of the main windings. The plurality of switches is configured to convert the at least six phases to three phases when the plurality of switches is closed.

公开(公告)号：US09601951B2

公开(公告)日：2017-03-21

申请号：US14070795

申请日：2013-11-04

Applicant: General Electric Company

Inventor： Ken Ivcar Salas Nobrega ,  Jeremy Daniel Van Dam ,  Manoj Ramprasad Shah ,  William Dwight Gerstler ,  Tsarafidy Raminosoa ,  Edward John Flett ,  Patel Bhageerath Reddy ,  James Pellegrino Alexander

IPC: H02K21/12 ,  H02K5/12 ,  H02K3/487 ,  H02K1/27 ,  H02K5/132 ,  H02K16/02

CPC classification number: H02K1/274 ,  H02K1/276 ,  H02K1/278 ,  H02K5/132 ,  H02K16/02 ,  Y02E20/16

Abstract: A permanent magnet machine, a rotor assembly for the machine, and a pump assembly. 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 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 configured as one of internal or surface mounted. The rotor assembly also including a plurality of retaining clips configured to retain the plurality of permanent magnets relative to the rotor core. The pump assembly including an electric submersible pump and a permanent magnet motor for driving the pump.

公开(公告)号：US20160380495A1

公开(公告)日：2016-12-29

申请号：US14754138

申请日：2015-06-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Steven Joseph Galioto ,  Manoj Ramprasad Shah ,  Patel Bhageerath Reddy ,  Nathaniel Benedict Hawes

IPC: H02K3/28 ,  H02K1/16 ,  H02K3/12 ,  H02K1/27 ,  H02K21/14

CPC classification number: H02K3/28 ,  H02K1/16 ,  H02K1/274 ,  H02K3/12 ,  H02K3/493 ,  H02K21/14 ,  H02K2213/03

Abstract: A permanent magnet (PM) machine includes a rotor and a stator assembly. The rotor includes a plurality of permanent magnets disposed about an axis of rotation. The stator assembly includes a stator body, a plurality of coil sides and a plurality of sintered iron magnetic wedges. The stator body includes a plurality of stator teeth defining a plurality of stator slots, each stator slot having an inside position and an outside position, such that each of the plurality of stator slots includes a first plurality of inside positions, and a first plurality of outside positions. The first plurality of coil sides are disposed in each of the first plurality of inside positions and the first plurality of outside positions. The first plurality of coil sides correspond to a first power phase. The first plurality of coil sides are electrically coupled to one another by a first plurality of end-coils. The plurality of sintered iron magnetic wedges are disposed at the openings of at least one stator slot of the plurality of stator slots.

Abstract translation: 永磁（PM）机器包括转子和定子组件。 转子包括围绕旋转轴设置的多个永磁体。 定子组件包括定子体，多个线圈侧和多个烧结铁磁铁楔。 定子体包括限定多个定子槽的多个定子齿，每个定子槽具有内部位置和外部位置，使得多个定子槽中的每一个包括第一多个内部位置，并且第一多个 外面的位置。 第一多个线圈侧设置在第一多个内部位置和第一多个外部位置中的每一个中。 第一多个线圈侧对应于第一电力相位。 第一组多个线圈侧通过第一多个端部线圈彼此电耦合。 多个烧结铁磁楔设置在多个定子槽的至少一个定子槽的开口处。