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公开(公告)号：US20240364151A1
公开(公告)日：2024-10-31
申请号：US18645202
申请日：2024-04-24
发明人： KEIJI KONDO , TOSHIHIRO TAKEI , YUICHI KUDOSE , HIROSHI ENDO , MASAKI OHIRA
摘要： A stator core includes a core body a having a cylindrical shape and a bolt fixing portion which includes a bolt insertion hole extending in an axial direction and into which a fixing bolt is inserted, and is capable of being fastened to a housing by a fixing bolt while the fixing bolt is inserted into the bolt insertion hole. The core body is a laminate in which core sheets made of steel plates having an insulating resin layer on a surface are laminated. The bolt fixing portion is provided as a separate member from the core body and is attached to an outside of an outer peripheral surface of the core body in a radial direction.
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公开(公告)号：US20240322620A1
公开(公告)日：2024-09-26
申请号：US18578161
申请日：2021-08-30
发明人： Kazuchika TSUCHIDA , Ryogo TAKAHASHI , Daisuke MORISHITA , Takaya SHIMOKAWA , Takanori WATANABE
摘要： An electric motor includes a stator including a stator core, a first insulator provided on the stator core, a winding wound on the first insulator, a rotor including a rotor core, and a second insulator covering the stator. The stator core is shorter than the rotor core in an axial direction. The stator includes a magnetic material. The magnetic material is fixed by the first insulator and faces the rotor core. Density of the second insulator is greater than density of the first insulator.
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公开(公告)号：US20240313610A1
公开(公告)日：2024-09-19
申请号：US18259285
申请日：2021-12-24
摘要： An induction motor is disclosed. The induction motor comprises a stator body assembly. The stator body assembly is characterized by a hollow cylindrical stator stack and a set of intertwined stator rods. The hollow cylindrical stator stack is fabricated with a plurality of rectangular shaped open slots on inner surface periphery and a plurality of cleating notches on outer surface periphery. The induction motor also comprises a rotor body assembly. The rotor body assembly is housed within the stator body assembly and configured to mount over multi-step shaft of the induction motor. The rotor body assembly is characterized by a hollow cylindrical rotor stack fabricated with a plurality of predesigned rotor slots on outer surface periphery, a plurality of vent holes and a notch on inner surface periphery. The rotor body assembly is also characterized by a set of rotor bars, housed within the plurality of predesigned rotor slots.
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公开(公告)号：US12088143B2
公开(公告)日：2024-09-10
申请号：US17915131
申请日：2021-04-23
申请人： Nidec Corporation
发明人： Junya Mizukami
摘要： A stator core of a motor includes a disk portion and a pole-tooth yoke. The disk portion has a disk shape that extends in a radial direction around a central axis extending in a vertical direction. The pole-tooth yoke is located along a radially outer end of the disk portion. The pole-tooth yoke includes an annular portion and a pole tooth. The annular portion is connected to the radially outer end of the disk portion and extends in a circumferential direction. The pole tooth protrudes to one axial side from the annular portion. The disk portion and the pole-tooth yoke are defined by different members.
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公开(公告)号：US12070010B2
公开(公告)日：2024-08-27
申请号：US17959119
申请日：2022-10-03
申请人： Munters Corporation
发明人： Christopher A. Hause
IPC分类号： A01K1/00 , F04D27/00 , F24F13/10 , H02K1/2791 , H02K11/33 , F24F11/75 , F24F11/77 , H02K1/14 , H02K1/18 , H02K1/30 , H02K5/18 , H02P6/20
CPC分类号： A01K1/0047 , A01K1/0052 , F04D27/004 , H02K1/2791 , H02K11/33 , F24F11/75 , F24F11/77 , F24F13/10 , H02K1/148 , H02K1/187 , H02K1/30 , H02K5/18 , H02P6/20
摘要： A fan for use in agriculture includes a housing, a motor, a propeller, a damper, and a controller. The damper is connected to the housing and is movable between open positions and a fully closed position. The controller controls the motor to rotate in a first rotational direction to cause the propeller to generate airflow in a first airflow direction through the housing from an inlet to an outlet and, upon receiving an instruction to shut down, controls the motor to rotate in a second rotational direction, opposite to the first rotational direction, to cause the propeller to generate airflow in a second airflow direction, opposite to the first airflow direction, through the housing from the outlet to the inlet, before ceasing rotation.
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公开(公告)号：US20240266891A1
公开(公告)日：2024-08-08
申请号：US18567046
申请日：2022-05-10
发明人： AKIHIRO OCHIAI
CPC分类号： H02K1/18 , H02K15/026 , H02K15/12
摘要： A stator unit includes: a stator core that faces a rotor included in a molded motor; a coil that is wound around the stator core; and a molded resin that covers the stator core and the coil, in which the stator core has a rotor facing surface that faces the rotor, and the molded resin covers the rotor facing surface.
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公开(公告)号：US20240258846A1
公开(公告)日：2024-08-01
申请号：US18426206
申请日：2024-01-29
申请人： BorgWarner Inc.
发明人： Dietmar Metz
摘要： A stator assembly (10) for an axial flux motor (100) with a rotation axis (100a). The stator assembly (10) has a stator receptacle portion (30) of a motor housing (20) of the axial flux motor (100), a stator (40) and a potting body (50). The stator receptacle portion (30) defines a disk-shaped contact face (32a) for receiving the stator. The stator (40) is disposed on the disk-shaped contact face (32a). The stator (40) is potted in the stator receptacle portion (30). The potting body (50) is connected to the stator receptacle portion (30) in a form-fitting manner in such a way that the stator (40) in the stator receptacle portion (30) is secured by the potting body (50) at least in the axial direction (2).
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公开(公告)号：US20240235309A9
公开(公告)日：2024-07-11
申请号：US18009738
申请日：2022-03-17
申请人： MITSUBA Corporation
发明人： KOJI YONEKAWA , TAKESHI KANAI , RYO OHORI , YUKARI OTSUKA
摘要： An insulator attached to a core body in an annular shape and multiple teeth protruding from the core body along a radial direction for insulating the teeth and a coil wound around the teeth includes: a tooth end surface covering part covering an axial end surface of the tooth. The tooth end surface covering part includes: an inclined part provided on a front surface of the tooth end surface covering part on a side opposite to the tooth and inclined such that its height from the axial end surface of the tooth gradually changes along the radial direction; and an inclined part parallel part and a tooth parallel part provided on a back surface of the tooth end surface covering part on the tooth side and concave in a direction away from the axial end surface of the tooth.
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公开(公告)号：US12034335B2
公开(公告)日：2024-07-09
申请号：US17603866
申请日：2020-03-04
摘要： A stator includes a stator core having a plurality of split cores arranged in an annular shape. Each of the split cores includes a yoke portion and a tooth portion protruding from the yoke portion in a radial direction of the stator core. The yoke portions of adjoining split cores are connected to each other at joint surfaces of adjoining split cores. The joint surfaces are provided with a fitting portion that extends along an axial direction of the stator core from an upper end surface to a lower end surface of the stator core. The fitting portion is provided with a crimped portion.
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公开(公告)号：US20240223040A1
公开(公告)日：2024-07-04
申请号：US18396582
申请日：2023-12-26
CPC分类号： H02K3/50 , H02K1/18 , H02K2203/03
摘要： This disclosure includes: a motor part having a rotor rotatable about a central axis and a stator facing the rotor in a radial direction with a gap therebetween; a circuit board arranged on an axial one side of the motor part; a connection terminal arranged between the stator and the circuit board in an axial direction; and a motor housing having a cylindrical shape that extends in the axial direction and accommodating the motor part. The stator includes an annular stator core; a coil having multiple coil bodies attached to the stator core; and an insulator arranged between the stator core and the coil. The connection terminal electrically connects the coil and the circuit board. The motor includes a terminal holder, which holds the connection terminal and is mounted on either the stator or the motor housing and moveable in a circumferential direction.
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