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公开(公告)号：US20240258880A1
公开(公告)日：2024-08-01
申请号：US18566026
申请日：2021-06-02
发明人： Takenari OKUYAMA , Tomoki TAKEUCHI
CPC分类号： H02K9/08 , H02K5/20 , H02K9/06 , H02K2209/00
摘要： A rotary electrical machine in which a rotor and a stator are housed in a housing and a coil of the stator is cooled using gas. The stator includes an annular coil end protruding from an end portion of the stator in an axial direction thereof. The housing includes an introduction port configured to allow gas for cooling the rotary electrical machine to be introduced from an outside of the housing toward the coil end. The coil end includes a flow path configured to allow the gas introduced from the introduction port to pass from an outer peripheral side to an inner peripheral side. A cooling air control member configured to guide the gas introduced from the introduction port to the flow path of the coil end is provided between the coil end and the housing in the axial direction.
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公开(公告)号：US20240195266A1
公开(公告)日：2024-06-13
申请号：US18530969
申请日：2023-12-06
发明人： Kenta TABUCHI , Hiroki Kato , Hideaki Miyazono , Kiichi Yokoyama , Hironori Asaoka , Fumiaki Yamato
IPC分类号： H02K9/08 , H02K1/2706
CPC分类号： H02K9/08 , H02K1/2706
摘要： A rotor may include: a rotor shaft; a rotor core attached to the rotor shaft and comprising a plurality of magnet slots and magnets, wherein at least one magnet of the magnets has an elongated cross-sectional shape and is fixed by being pressed against a part of an inner surface defining a corresponding one of the magnet slots of the rotor core. The rotor is configured so that coolant flowing through the rotor shaft reaches a surface of a long side of the at least one magnet that is exposed inward in a radial direction of the rotor core in the corresponding magnet slot and moves along an axial direction of the rotor core.
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公开(公告)号：US20230406650A1
公开(公告)日：2023-12-21
申请号：US18460096
申请日：2023-09-01
申请人： ATS Corporation
发明人： Louis Ian CAMERON , Albert KLEINIKKINK , Roger HOGAN , Martin John JURITSCH , Bradley James WOODWARD , Blake Robert LAMBERT
CPC分类号： B65G54/02 , B65G21/2054 , B65G21/22 , H02K9/08 , H02K41/03 , B65G2203/0266 , B65G2203/042 , B65G2207/48
摘要： A linear motor conveyor system including: at least one track section comprising: electronic circuitry housed within the track section; and a rotatable segment comprising an end profile that abuts another track section to form a stepped groove sealed by a gasket. A moving element for a linear motor conveyor system including: a body; a first set of bearings attached to the body and angled to abut against a first guide rail of a conveyor system having a protrusion with opposing angled profiles; a second set of bearing attached to the body and designed to abut against a flat profile of a second guide rail of the conveyor system. A dry lubricant provided to the body and configured to lubricate a bearing surface of the linear motor conveyor system supporting the first set of bearings
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4.发明公开公开(公告)号：US20230318405A1
公开(公告)日：2023-10-05
申请号：US18128047
申请日：2023-03-29
发明人： Hirosumi TODAKA , Yasunari KIMURA
摘要： A rotary electric machine housing is configured to accommodate a component of a rotary electric machine. The rotary electric machine housing includes a body portion configured to be in a hollow shape and having an accommodation space in which the component is accommodated, a water jacket provided at the body portion, an oil flow path communicating with the accommodation space and through which an oil to be supplied to the component flows, and a gas flow path communicating with the accommodation space and through which a gas to be supplied to the component flows. The oil flow path and the gas flow path are provided to enable the oil and the gas to exchange heat with a coolant flowing through the water jacket.
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公开(公告)号：US11451115B2
公开(公告)日：2022-09-20
申请号：US16627526
申请日：2017-07-18
发明人： Takuya Nakamura , Junji Okada
摘要： An electric motor includes: a stator having a sleeve shape; a rotor inside the stator; a shaft coupled to the rotor and stretching along a central axis of the stator; a board case on one end side of the stator in a direction along the central axis; a circuit board on an opposite side of the stator with the board case interposed; a heat generating component on a mounting surface, which is opposite to a surface of the circuit board oriented to a side of the stator; a casing that covers a side of the mounting surface; and a heat transfer component between a surface of the casing that faces the circuit board and the heat generating component. The board case is provided with an extension portion that extends toward the circuit board. The heat transfer component is formed with a first engagement portion with which the extension portion engages.
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公开(公告)号：US20220263357A1
公开(公告)日：2022-08-18
申请号：US17624815
申请日：2020-06-26
发明人： Akito NAKAMURA
摘要： A motor includes a stator, a rotor, and a cover. The rotor is disposed inside the stator with a gap left with respect to the stator. The rotor is provided to be rotatable with respect to the stator. The stator includes a plurality of coils, a plurality of teeth, and a coupling portion. Around the plurality of teeth, the plurality of coils are respectively arranged via an insulator. The coupling portion is located closer to the rotor than the plurality of coils. The coupling portion couples at least some adjacent ones of the plurality of teeth. The cover is formed mechanically integrally with the insulator. The cover is disposed to face at least a space inside the coupling portion along a rotational axis X of the rotor. The cover closes the gap.
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公开(公告)号：US11355999B2
公开(公告)日：2022-06-07
申请号：US16445370
申请日：2019-06-19
发明人： Andreas Huber , Thinh Nguyen-Xuan , Klaus Vollmer
摘要： A method for cooling an electrical machine includes the following steps: guiding a coolant in an axial coolant supply line which is arranged in the rotor shaft, and conducting the coolant into an interior chamber of the electrical machine via a radial coolant supply line which is connected in a coolant-conducting manner to the axial coolant supply line. The electrical machine has an axial coolant supply line and at least one radial coolant supply line connected in a coolant-conducting manner to the axial coolant supply line, both of which are arranged in the rotor shaft. An interior chamber of the electrical machine is connected in a coolant-guiding manner to the radial coolant supply line.
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公开(公告)号：US20210367482A1
公开(公告)日：2021-11-25
申请号：US16493080
申请日：2019-03-04
发明人： Shengjun MA
摘要： A medium conveying and heat exchange device and a vortex flow separator for an iron core of an electromagnetic device is provided. The vortex flow separator includes a jet pipe and a vortex flow separation pipe, the vortex flow separation pipe includes a vortex flow chamber, a cold end pipe section and a hot end pipe section. Compressed airflow flows through the jet pipe to form spiral airflow and flow into the vortex flow chamber in a tangential direction thereof. A valve having a cone-shaped surface is arranged inside the hot end pipe section, central airflow of the spiral airflow passes by the cone-shaped surface of the valve and flows back, and is cooled to become cold airflow, and then flows out from the cold end pipe section, to serve as cooling and drying airflow of the input electromagnetic device.
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公开(公告)号：US11133722B2
公开(公告)日：2021-09-28
申请号：US16036222
申请日：2018-07-16
申请人： AUDI AG
发明人： Alfred Rehr , Nico Schobeß , Thierry Caramigeas
摘要： An electric motor, in particular an internal rotor motor, with a stator constructed from laminations and with a rotor arranged concentrically in the stator, with a housing surrounding the stator circumferentially, and with two housing caps for axially closing the housing at both ends and for accommodating and carrying a shaft of the rotor, wherein the laminations each have at least three crosspieces arranged on the circumference for creating at least one coolant channel between the stator and the housing, and wherein the at least one coolant channel can be bounded by the housing caps in a fluidtight manner.
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公开(公告)号：US20210288536A1
公开(公告)日：2021-09-16
申请号：US17336484
申请日：2021-06-02
IPC分类号： H02K1/32 , H02K9/22 , H02K3/44 , H02K3/30 , H02K3/32 , H02K1/14 , H02K3/18 , H02K5/15 , H02K1/27 , H02K1/04 , H02K1/18 , H02K1/28 , H02K5/08 , H02K5/18 , H02K7/00 , H02K9/06 , H02K9/08 , H02K9/19 , H02K11/25 , H02K1/12 , H02K5/24 , H02K7/08 , H02K15/10 , H02K15/14
摘要： An electric machine including a rotor shaft having an inner shaft core with a first composition and an outer shaft portion surrounding at least some of the inner shaft core. The outer shaft portion is fabricated from a material having a different composition than the inner shaft core. For example, the inner shaft core could be fabricated from a material having high thermal conductivity, such as copper, while the outer shaft portion is fabricated from a material with lesser thermal conductivity, but greater strength, for example steel. The two-material shaft with a highly thermally conductive core serves to conduct heat from the interior of the electric machine to the housing, or to an exterior apparatus or structure.
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