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11. 发明授权

US11159069B2 Embedded liquid cooled rotor cooling 有权
公开(公告)号：US11159069B2
公开(公告)日：2021-10-26
申请号：US16151517
申请日：2018-10-04
申请人： Hamilton Sundstrand Corporation
发明人： Debabrata Pal
IPC分类号： H02K1/32 , H02K3/24 , H02K9/00
摘要： A rotor for an electrical machine includes a core including a plurality of rotor poles circumferentially spaced apart from one another about a hub. A winding is wound about the rotor poles. The winding passes longitudinally through a respective winding gap between each circumferentially adjacent pair of rotor poles. A cooling tube extends through at least one of the respective winding gaps.

12. 发明授权

US11142972B1 Electric driven hydraulic fracking operation 有权
$Electric driven hydraulic fracking operation$
公开(公告)号：US11142972B1
公开(公告)日：2021-10-12
申请号：US17239877
申请日：2021-04-26
申请人： National Service Alliance—Houston LLC
发明人： John Fischer , David Kubricht , Richard Cheatham , Jeffrey Pollack , Chad Lawman , David Todd , Tyler Nolen , John J. Crosetto
IPC分类号： G08B5/36 , E21B21/08 , H02J13/00 , E21B43/26 , E21B4/04 , E21B7/02 , F04B17/03 , F04B17/06 , F04D13/06 , H02B1/52 , H02B5/00 , H02K7/18 , H02P27/04 , E21B4/02 , H02K9/00 , H05K5/02 , H05K7/20
摘要： Certain embodiments of the present application relate to a variable frequency drive (VFD) cabin for a pump configuration including a mobile trailer on which the VFD cabin is to be mounted. The VFD cabin generally includes a medium-voltage VFD and a ventilation system. In certain embodiments, the ventilation system is configured to generate an overpressure condition within the cabin to discourage the entry of dust and debris into the cabin. In certain embodiments, one or more components of the medium-voltage VFD are coupled to the floor of the cabin via a vibration damping system. In certain embodiments, the VFD cabin may be directly coupled to a chassis of the mobile trailer without an intervening suspension being provided between the VFD cabin and the chassis.

13. 发明授权

US11128188B2 Electric machine 有权
公开(公告)号：US11128188B2
公开(公告)日：2021-09-21
申请号：US16574092
申请日：2019-09-18
申请人： GENESIS ROBOTICS AND MOTION TECHNOLOGIES CANADA, ULC
发明人： James Brent Klassen , Damian Spasov , Bradley Pope
IPC分类号： H02K1/27 , H02K1/22 , H02K1/32 , B25J9/00 , B25J9/12 , B25J15/00 , B25J15/02 , B25J15/08 , B25J17/00 , B25J19/00 , H02K1/02 , H02K1/06 , H02K1/08 , H02K1/14 , H02K1/16 , H02K1/24 , H02K3/04 , H02K3/12 , H02K3/24 , H02K3/26 , H02K5/04 , H02K5/16 , H02K5/18 , H02K7/08 , H02K9/02 , H02K9/19 , H02K15/04 , H02K16/04 , H02K19/10 , H02K21/00 , H02K21/14 , H02K21/22 , H02K21/24 , H02K41/03 , H02K9/00 , H02K1/20 , H02K7/14
摘要： An electric motor has a first carrier having an array of electromagnetic elements and a second carrier having electromagnetic elements defining magnetic poles. The first and second carriers each define an axis. An airgap is formed between the first and second carriers when in an operational position. An inner thrust bearing connects the first and second carriers and is arranged to allow relative rotary motion of the carriers. An outer thrust bearing connects the first and second carriers and is arranged to allow relative rotary motion of the carriers. The electromagnetic elements of each of the first and second carriers are arranged radially inward of the outer thrust bearing and radially outward of the inner thrust bearing. The inner thrust bearing and the outer thrust bearing are arranged to maintain the airgap against a magnetic attraction of the electromagnetic elements of the first and second carriers.

14. 发明申请

US20210211012A1 COOLING JACKET WITH COOLANT MASS BALANCING FOR ELECTRIC MOTORS 有权
公开(公告)号：US20210211012A1
公开(公告)日：2021-07-08
申请号：US16736185
申请日：2020-01-07
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Xiaofeng Yang , Wei Zeng , Lei Hao , Srihari K. Gangaraj
IPC分类号： H02K5/20 , H02K9/00 , H02K15/03
摘要： A permanent magnet electric motor includes a shaft extending along a longitudinal axis and a rotor mounted on the shaft. The rotor is rotatable concomitantly with the shaft about the longitudinal axis, the rotor defines an innermost rotor edge. The innermost rotor edge is sized to receive the shaft. The permanent magnet electric motor further includes a stator. The shaft defines a jacket configured to receive a coolant. The jacket is disposed about the longitudinal axis. The jacket is elongated in a first direction. The first direction is parallel to the longitudinal axis. The rotor defines a plurality of longitudinal channels. Each of the plurality of longitudinal channel is elongated along the first direction, and each of the plurality of longitudinal channels is in fluid communication with the jacket to allow fluid flow between the jacket and the plurality of the longitudinal channels.

15. 发明申请

US20210135533A1 ELECTRIC MACHINE WITH FORCED CONVECTION-BASED ROTOR COOLING 有权
公开(公告)号：US20210135533A1
公开(公告)日：2021-05-06
申请号：US16671732
申请日：2019-11-01
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Farzad Samie , Alireza Fatemi , Derek F. Lahr , Erik B. Golm , Xiaofeng Yang
IPC分类号： H02K5/128 , H02K1/27 , H02K9/00
摘要： A rotary electric machine for use with coolant includes a stator and rotor assembly. The rotor assembly includes a rotor, rotor shaft, and first and second end rings. The rotor has inner and outer diameter surfaces and an embedded set of rotor magnets proximate the outer diameter surface. The shaft is connected to the rotor and defines a main coolant passage along an axis of rotation. Radial shaft coolant passages are in fluid communication with the main coolant passage. The end rings are positioned at opposing distal ends of the rotor. The shaft coolant passages direct the coolant into the rotor and/or the end rings such that the coolant flows axially through rotor cavities of the rotor and cools the rotor magnets via forced convection.

16. 发明授权

US10951075B2 Machine cooling systems 有权
公开(公告)号：US10951075B2
公开(公告)日：2021-03-16
申请号：US15119478
申请日：2015-02-18
申请人： YASA LIMITED
发明人： Tim Woolmer
IPC分类号： H02K1/20 , H02K21/24 , H02K1/27 , H02K3/18 , H02K3/24 , H02K9/19 , H02K1/12 , H02K15/02 , H02K9/00
摘要： We describe a method of cooling an axial flux permanent magnet machine, the machine having a stator comprising a stator housing enclosing a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: flowing a coolant through said stator housing around said coils such that said coolant flows between said coils; and controlling said coolant flow between said coils by controlling a gap between adjacent said coils; wherein said controlling of said gap comprises: providing each of said coils with a single layer of windings over said stator bar, said layer of windings comprising a ribbon-shaped wire having a greater width across a surface of the ribbon than thickness through the ribbon; wherein said windings are stacked horizontally along said stator bar such that adjacent ribbon surfaces of said ribbon abut one another, wherein said width of said ribbon defines a distance across a said coil perpendicular to a direction in which said windings are stacked; and controlling said gap by controlling said distance across said coil.

17. 发明授权

US10900412B2 Electronics assembly having a heat sink and an electrical insulator directly bonded to the heat sink 有权
公开(公告)号：US10900412B2
公开(公告)日：2021-01-26
申请号：US15993747
申请日：2018-05-31
申请人： BORGWARNER INC.
发明人： Jeffrey Carter
IPC分类号： F02B39/00 , H05K7/20 , H01L23/473 , H05K1/02 , F02M35/10 , F02B39/10 , H02K9/00 , H02K9/22
摘要： An electronics assembly drives an electric motor and receives a coolant fluid. The electronics assembly includes a heat sink including a thermally conductive material. The heat sink includes a frame extending between a first surface and a second surface. The first surface defines at least a portion of a cavity for receiving the coolant fluid therein. The heat sink includes a plurality of cooling members coupled to and extending from the first surface of the frame into the cavity such that the plurality of cooling members are disposed within the coolant fluid. The electronics assembly further includes an electrical insulator directly bonded to the second surface of the frame and a semiconductor thermally coupled to the electrical insulator. The electrical insulator is a thermal conductor and facilitates heat transfer between the semiconductor and the heat sink. The electrical insulator electrically insulates the semiconductor from the heat sink.

18. 发明申请

US20210013764A1 ELECTRIC DRIVE UNIT HAVING COVER ASSEMBLY WITH INTEGRATED COOLING CHANNELS 有权
公开(公告)号：US20210013764A1
公开(公告)日：2021-01-14
申请号：US16508819
申请日：2019-07-11
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Stephen G. Heien , John A. Diemer
IPC分类号： H02K5/10 , H02K9/00 , H02K17/14 , B60L15/00
摘要： An electric drive unit for powering a load, e.g., road wheels of a motor vehicle, includes a housing having a floor section separating the housing into upper and lower chambers. The floor section defines an elongated drain opening, drain holes, and an oil supply port in fluid communication with an oil pump. A rotary electric machine is enclosed within the lower chamber, and has electrical leads positioned directly below the drain opening. A cover assembly is fastened to the housing within the upper chamber, and has a coolant channel assembly integrally connected to a cover plate. The coolant channel assembly includes electrical terminals that project through the drain opening and are fastened at a first distal end of the electrical terminals to the electrical leads. The cover assembly defines a primary coolant channel in fluid communication with the oil supply port, and directs oil to the electrical terminals.

19. 发明授权

US10833547B2 Liquid cooled pole wedge 有权
公开(公告)号：US10833547B2
公开(公告)日：2020-11-10
申请号：US15862417
申请日：2018-01-04
申请人： HAMILTON SUNDSTRAND CORPORATION
发明人： Daniel Kuehn , Stephen Michael Bortoli
IPC分类号： H02K9/00 , H02K1/32 , H02K3/24 , H02K3/52 , H02K9/20 , H02K5/20 , H02K3/487
摘要： A wedge for use between poles of a generator for supporting windings of the poles includes a plurality of outer walls. The wedge also includes at least one fluid orifice extending through at least one of the plurality of outer walls and configured to receive a fluid from a shaft of the generator and to allow the fluid to flow through the at least one of the plurality of outer walls to reduce a temperature of the windings.

20. 发明申请

US20200350799A1 COOLING APPARATUS FOR LINEAR MOTOR WITH IMPROVED SEALING 审中-公开
公开(公告)号：US20200350799A1
公开(公告)日：2020-11-05
申请号：US16862198
申请日：2020-04-29
申请人： Siemens Aktiengesellschaft
发明人： Michael Zisler
IPC分类号： H02K5/10 , H02K41/02 , H02K5/22 , H02K9/00
摘要： A cooling apparatus for an electric linear motor includes a carrier element configured for placement on an active part of the electric linear motor, a cooling element, and a retaining element configured to mount the cooling element on the carrier element. The retaining element has a first planar area on a side facing the active part of the electric linear motor and a second planar area on a side facing away from the active part of the electric linear motor. The retaining element has an opening sized to extend between the first and second planar areas for passage of a fastening element. Each of the first and second planar areas has formed therein a cutout circulating around the opening, with a sealing element being received in the cutout.

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