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1. 发明申请

US20230040452A1 SYSTEM FOR COOLING A DRIVE DEVICE WITH SEVERAL ELECTRIC MACHINES 有权
公开(公告)号：US20230040452A1
公开(公告)日：2023-02-09
申请号：US17790674
申请日：2021-01-18
申请人： SAFRAN ELECTRICAL & POWER
发明人： Alexis RENOTTE , Julien Marc Nicolas RAMBAUD , Christophe CASTELLI , Guillaume PORTE
IPC分类号： H02K9/18 , H02K9/08 , H02K11/33
摘要： A cooling system for a drive device with several electric machines, the cooling system including a hydraulic circuit for a coolant including a cooling part in a gearbox of the drive device for cooling the gearbox, and an air/coolant heat exchanger including cooling walls forming channels for circulating coolant for the cooling thereof, an air cooling circuit including a plurality of fans, rotationally coupled to the gearbox, a cooling part between the cooling walls of the air/liquid heat exchanger, wherein the air sucked in and propelled by the fans circulates by sweeping over the cooling walls in order to cool them.

2. 发明申请

US20220190673A1 HEAT TRANSFER ARRAY AND THE ELECTRIC MACHINE MADE THEREWITH 有权
公开(公告)号：US20220190673A1
公开(公告)日：2022-06-16
申请号：US17604184
申请日：2020-04-17
申请人： Moog Inc.
发明人： Ping P. Zhong
IPC分类号： H02K5/18 , H02K9/18
摘要： An electric machine including a housing defining a longitudinal axis. A first plurality of fins coupled with an outer surface of the housing, wherein the first plurality of fins is positioned parallel with the longitudinal axis. A second plurality of fins coupled with the outer surface positioned transverse to the longitudinal axis, wherein at least a portion of the second plurality of fins is located axially adjacent to the first plurality of fins. A third plurality of fins coupled with the outer surface, wherein at least a portion of the third plurality of fins is located axially adjacent to the second plurality of fins and beside the first plurality of fins, wherein the third plurality of fins are positioned transverse to the longitudinal axis. A fourth plurality of fins coupled with the outer surface, wherein at least a portion of the fourth plurality of fins is located axially adjacent to the third plurality of fins and beside the second plurality of fins, wherein the fourth plurality of fins are positioned parallel to the longitudinal axis. A first fan assembly is located above at least a portion of the first and second pluralities of fins, and a second fan assembly is located above at least a portion of the third and fourth pluralities of fins.

3. 发明授权

US11349419B2 Motor drive system including removable bypass circuit and/or cooling features 有权
公开(公告)号：US11349419B2
公开(公告)日：2022-05-31
申请号：US16783270
申请日：2020-02-06
申请人： Franklin Electric Co., Inc.
发明人： Ryan A. Lauw , Scott E. Leonard , Dalton H. Paull , Andre P. Perra
IPC分类号： H02P21/05 , H02P21/22 , F04B17/03 , F04B23/02 , H02P27/12 , H02K11/33 , H02K5/20 , H02K9/18
摘要： A motor control system to drive an alternating-current (AC) motor, including a motor drive with a power circuit and a motor drive controller powered by the power circuit and configured to cause the power circuit to generate a motor voltage; a motor drive contactor having first contacts electrically connected between the power circuit and the AC motor; a bypass contactor having second contacts electrically connected between a line voltage source and the AC motor; and a bypass controller communicatively coupled with the motor drive contactor and the bypass contractor; wherein the motor drive controller is structured to generate a speed reference and to command the bypass controller to connect the AC motor to the line voltage source upon the motor drive controller determining that the speed reference is substantially equal to a line frequency of the line voltage source.

4. 发明申请

US20220069669A1 IMPROVEMENTS RELATING TO COOLING OF ELECTRICAL GENERATORS IN WIND TURBINES 有权
公开(公告)号：US20220069669A1
公开(公告)日：2022-03-03
申请号：US17420726
申请日：2020-01-08
申请人： Vestas Wind Systems A/S
发明人： Peter Mongeau , Mustafa Gündüz
IPC分类号： H02K9/18 , H02K1/18 , H02K7/18 , H02K11/25 , F03D9/25 , F03D13/20 , F03D80/60
摘要： In a first aspect of the invention there is provided a generator for a wind turbine defining a central generator axis. The generator comprises a stator support frame and an environmental conditioning module removably attached to the stator support frame. The environmental conditioning module comprises a heat exchanger and an air mover supported by a module housing. The environmental conditioning module further comprises fluid interface connections associated with the heat exchanger, the fluid interface connections being releaseably connectable to a fluid supply system associated with the heat exchanger, and electrical interface connections associated with the air blower, the electrical interface connections being releaseably connectable to an electrical supply system associated with the air mover.

5. 发明申请

US20210123379A1 GENERATOR WITH AIR-CYCLE COOLING 有权
公开(公告)号：US20210123379A1
公开(公告)日：2021-04-29
申请号：US16661697
申请日：2019-10-23
申请人： Hamilton Sundstrand Corporation
发明人： Shin Katsumata , Debabrata Pal , Kris H. Campbell , Erika M. Danckers , Andreas C. Koenig , Brian C. Konopa , Jonathan C. Dell
IPC分类号： F02C6/08 , H02K9/18 , H02K9/19 , H02K7/18 , F25B9/00
摘要： A generator cooling assembly is provided and includes a rotor, a generator assembly and an air-cycle machine (ACM). The generator assembly includes a generator housing, a generator housed in the generator housing and a shaft coupled to the rotor to transmit shaft power from the rotor to the generator to drive the generator. The ACM is housed in the generator housing and is receptive of air. The air is cooled by the ACM and output from the ACM to the generator as fully cooled air to cool the generator.

6. 发明授权

US10720814B2 Electrical machine and method for cooling the electrical machine 有权
公开(公告)号：US10720814B2
公开(公告)日：2020-07-21
申请号：US15736684
申请日：2016-04-28
申请人： Siemens Aktiengesellschaft
发明人： Thomas Lange
IPC分类号： H02K1/32 , H02K9/22 , H02K5/18 , H02K5/20 , H02K9/18 , H02K9/04 , H02K9/19
摘要： A method and electrical machine includes a housing and a tube within a channel, wherein a first coolant can flow around the tube and a second coolant can flow through the tube, whereby in order to cool the electrical machine, the first coolant is conducted in a coolant circuit within the electrical machine, the second coolant is conducted through the electrical machine, and the first coolant medium is conducted through a rotor of the electrical machine such that a compact and efficient cooling of the electrical machine becomes possible.

7. 发明授权

US10715010B2 Motor controller can with synthetic housing and metal heat sink 有权
公开(公告)号：US10715010B2
公开(公告)日：2020-07-14
申请号：US15891010
申请日：2018-02-07
申请人： Nidec Motor Corporation
发明人： Steven R. Palmer , Chetan O. Modi , Jeffrey S. Sherman , Douglas D. Glenn , Richard Eason
IPC分类号： H02K1/32 , H02K9/18 , H02K11/33 , H02K5/06 , H02K9/22 , H02K1/27 , H02K5/173
摘要： An electric motor including a rotor, a stator, a motor housing having a controller can, and a controller having an electronic component disposed within the controller can. The controller can includes an insert comprising thermally conductive metal for exchanging heat with an external heat sink space.

8. 发明申请

US20200014282A1 COOLING MODULE WITH AXIAL FAN FOR VEHICLES, ESPECIALLY FOR ELECTRIC VEHICLES 审中-公开
公开(公告)号：US20200014282A1
公开(公告)日：2020-01-09
申请号：US16502156
申请日：2019-07-03
申请人： Hanon Systems
发明人： Torsten Klein , Susanne Reimche-Nuding , Ján Gregus Kollár
IPC分类号： H02K9/18 , H02K7/00 , H02K5/18 , H02K5/24 , B60K1/00
摘要： The invention relates to a cooling module including an axial fan for vehicles, in particular for electric vehicles, which is characterized in that a cooling module casing encloses the axial fan and a flow deflection region and a cooling airflow enters the cooling module through an intake plane and leaves the cooling module through an outflow plane, wherein the intake plane and the outflow plane are aligned at an angle alpha in relation to one another and the angle alpha as the inclination of the intake plane in relation to the outflow plane is formed greater than or equal to 55° and the cooling module casing has a rear wall, wherein the rear wall is arranged at an angle beta of at most 90° in relation to the outflow plane, so that a flow deflection region is formed in the cooling module casing between the intake plane and the outflow plane and the rear wall.

9. 发明申请

US20190199162A1 Rotary Electric Machine 审中-公开
公开(公告)号：US20190199162A1
公开(公告)日：2019-06-27
申请号：US16180615
申请日：2018-11-05
申请人： Hitachi, Ltd.
发明人： Misato SATO , Takeshi MORI , Kenichi SUGIMOTO , Takayuki KOYAMA
IPC分类号： H02K5/24 , H02K5/20 , H02K9/06 , H02K9/18
CPC分类号： H02K5/24 , H02K5/20 , H02K9/06 , H02K9/18 , H02K2205/09
摘要： A rotary electric machine of the present invention includes: a stator; a rotor placed on an inner diameter side of the stator through an air gap and fixed to a rotating shaft; a stator frame supporting the stator; a casing storing the stator and the rotor; an outer fan fixed to the rotating shaft; a heat exchanger installed above the casing for heat exchange between outside air taken through the outer fan and internal air to remove heat; and an outer fan duct installed on an end portion of the casing in an axial direction, provided with the outer fan in an inside of the outer fan duct, and formed with a ventilation path through which the outside air is delivered to the heat exchanger. A plate-shaped member has at least a curved surface portion. The plate-shaped member forms the ventilation path of the outer fan duct.

10. 发明申请

US20190109514A1 Rotating Electrical Machine, Compressor System, and Pump System 审中-公开
公开(公告)号：US20190109514A1
公开(公告)日：2019-04-11
申请号：US16124373
申请日：2018-09-07
申请人： Hitachi, Ltd.
发明人： Ryuuichirou IWANO , Masanori SAWAHATA , Akeshi TAKAHASHI
IPC分类号： H02K9/18 , F04D25/08 , F04D29/58 , H02K9/06
摘要： A rotating electrical machine includes a rotating electrical machine body including a stator, a rotor, a fan configured to circulate a coolant for cooling the stator and the rotor, and a casing containing the stator, the rotor and the fan; and a cooler connected to the rotating electrical machine body. The coolant flows from the machine body into the cooler. The cooler cools the coolant. The coolant flows out of the cooler into the machine body. The cooler has a flow resistance Ra satisfying a relation 0.15

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