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公开(公告)号：US12132428B2
公开(公告)日：2024-10-29
申请号：US17885733
申请日：2022-08-11
CPC分类号： H02P25/22 , B60L50/51 , H02K3/28 , H02K3/46 , H02P27/06 , B60L2210/40 , B60L2220/50 , H02K2203/09
摘要： Induced currents in a multi-phase AC motor may be attenuated by operating the multi-phase AC motor with an AC choke surrounding an AC bus providing multi-phase AC voltage to multi-phase AC stator windings in a stator, wherein the AC choke may include an effective bandwidth at least covering resonant frequencies of a capacitance between the multi-phase AC stator windings and the stator or a frame of the AC motor.
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公开(公告)号：US12003153B2
公开(公告)日：2024-06-04
申请号：US17791801
申请日：2020-11-30
CPC分类号： H02K19/12 , H02K1/26 , H02K3/28 , H02K3/46 , H02K13/02 , H02K15/095 , H02K19/26 , H02K2213/03
摘要： A wound rotor, such as a wound rotor for an electric machine, includes a shaft having a main axis. The shaft includes a manifold. The wound rotor also includes a winding wire and n poles wound and ordered with an ascending order number obtained by rotation about the main axis. The n wound poles can be distributed radially about the main axis. The n poles are wound with the wire in series in turn according to their ascending order numbers, the last pole, however, not being wound last.
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公开(公告)号：US11942843B2
公开(公告)日：2024-03-26
申请号：US18151585
申请日：2023-01-09
摘要： An EC motor with a rotor. The rotor has a hub with outwardly extending silicon steel laminates with gaps between. Rectangular neodymium permanent magnets are positioned in the gaps. Wedge-shaped ferrite permanent magnets are positioned radially between the silicon steel laminates and the hub of the rotor.
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公开(公告)号：US11894722B2
公开(公告)日：2024-02-06
申请号：US17478977
申请日：2021-09-20
申请人： ETEL S.A.
摘要： A coil support for preformed flat coils of a stator of an electric rotary motor includes an annular supporting structure and a plurality of columns extending upwardly from the supporting structure. The columns are spaced apart from each other to form a corresponding plurality of coil receiving portions configured to hold the preformed flat coils in place before a potting operation. Each of the coil receiving portions is configured to support a lower part of one of the preformed flat coils.
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公开(公告)号：US20230361651A1
公开(公告)日：2023-11-09
申请号：US18224885
申请日：2023-07-21
申请人： MAKITA CORPORATION
发明人： Junya INUZUKA
摘要： In the brushless motor disposed in a hammer drill, while a stator core of a stator is formed by joining a plurality of divided cores divided in a circumferential direction, varnishes are applied over a coil and joining portions between the divided cores.
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公开(公告)号：US11803047B2
公开(公告)日：2023-10-31
申请号：US16679747
申请日：2019-11-11
发明人： Simon Raab , Mark S Longmuir
IPC分类号： H02K41/03 , H02K3/46 , G02B26/10 , H02K41/035
CPC分类号： G02B26/101 , G02B26/105 , H02K3/46 , H02K41/0356 , H02K2203/12
摘要： An actuator may include a stator supporting a magnet; a stationary pole; and a bobbin supporting a winding of a coil, the bobbin being coaxial with the stator and stationary pole, and positioned inside the magnet and outside the stationary pole. A gap may be provided between the bobbin and the stationary pole. A beam steering mechanism may include a mirror; a frame; a pivot anchor fixed to the frame and connected to the mirror; and an actuator. An output end of the actuator may be connected to the rear surface. A beam steering mechanism may alternatively include a flexure; a mirror attached to the flexure; a frame; supports fixed to the frame and the flexure; a pivot anchor fixed to the frame and connected to the mirror or the flexure; and an actuator. An output end of the actuator may be connected to the flexure.
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公开(公告)号：US20230275484A1
公开(公告)日：2023-08-31
申请号：US18312885
申请日：2023-05-05
发明人： James Dameron , Evan Filter , Phillip Weicker , Charles Garmel
摘要： A fractional slot electric motor includes a stator core having a first side, a second side, and stator slots extending between the first and second sides. The fractional slot electric motor also includes a coil having a plurality of coil elements, where each coil element extends through at least one of the stator slots. Each coil element is coupled to at least one other coil element along the first side of the stator core. A first subset of the coil elements includes coil elements coupled to each other along the second side of the stator core. A second subset of the coil elements includes loop coil elements, where each loop coil element extends from one of the stator slots to another of the stator slots along the second side of the stator core without being connected to other coil elements along the second side of the stator core.
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公开(公告)号：US20230235740A1
公开(公告)日：2023-07-27
申请号：US18125637
申请日：2023-03-23
发明人： Giacomo Landi , Vittorio Michelassi , Matteo Dozzini , Francesco Cangioli , Massimiliano Borghetti
IPC分类号： F04D19/02 , F04D25/02 , F04D13/06 , H02K3/46 , H02K7/14 , F04D29/58 , F04D25/06 , H02K21/22 , H02K21/14 , H02K1/12 , H02K1/22 , H02K16/00 , H02K1/16
CPC分类号： F04D19/022 , F04D13/06 , F04D19/024 , F04D19/026 , F04D25/02 , F04D25/0606 , F04D29/588 , H02K1/12 , H02K1/16 , H02K1/22 , H02K3/46 , H02K7/14 , H02K16/00 , H02K21/14 , H02K21/22
摘要： A compressor or pump stage is provided. The compressor or pump stage at least comprising a central shaft (8) and one rotor (3), where the axis of rotation of the rotor (3) is the central shaft (8) and where the rotor comprises a number, n, of rows of impellers (5) arranged at an outer perimeter of the rotor with an axial distance between neighbouring rows of impellers (5), where n={2, 3, 4...}.
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公开(公告)号：US11658535B2
公开(公告)日：2023-05-23
申请号：US17563177
申请日：2021-12-28
申请人： Hanon Systems
CPC分类号： H02K3/46 , B60H1/00428 , H02K3/28 , H02K3/32 , H02K5/04
摘要： A device, in particular to an electric motor, for driving a compressor of a gaseous fluid. The device comprises a rotor and a stator disposed such that they extend along a common longitudinal axis. The stator comprises connection leads developed as segments of conductor wires of coils. In a region of at least one end side, oriented in an axial direction, of the stator a cover element is disposed which is developed in the form of an axially oriented hollow cylinder with an inner surface and an outer surface. The cover element herein is with the inner surface in contact on an insulation element disposed on the stator and comprising a cylindrical wall. Between an outer side of the wall of insulation element and the inner surface of the cover element are disposed at least segments of the connection leads of the conductor wires.
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公开(公告)号：US10008897B2
公开(公告)日：2018-06-26
申请号：US14637074
申请日：2015-03-03
发明人： Gary E. Horst
CPC分类号： H02K3/46 , H02K1/148 , H02K1/185 , H02K1/187 , H02K1/274 , H02K1/2786 , H02K5/00 , H02K21/16 , H02K21/222
摘要： A motor is provided for use in a machine. The motor includes a segmented stator comprising magnetically isolated core segments.
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