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公开(公告)号：US20220416622A1
公开(公告)日：2022-12-29
申请号：US17755074
申请日：2020-10-21
申请人： Robert Bosch GmbH
发明人： Andreas Echle , Nejila Parspour
摘要： An axial flux machine, in particular a single-sided axial flux motor, for an electrical machining device, includes a machine shaft, in particular a motor shaft, a disc-shaped stator, and a disc-shaped rotor which is arranged adjacent to the stator in the axial direction of the machine shaft. The stator is formed as a winding carrier with a plurality of stator teeth for at least one stator winding and the rotor, which is connected to the machine shaft in a rotationally fixed manner, can be set in a rotational movement relative to the stator. The rotor of the axial flux machine has a rotor yoke configured as a bidirectional fan or which is permanently connected to a bidirectional fan by a joining process, the bidirectional fan having at least one radial and one axial air flow direction for cooling the axial flux machine, in particular the stator and the rotor.
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公开(公告)号：US20220385156A1
公开(公告)日：2022-12-01
申请号：US17752307
申请日：2022-05-24
发明人： Matthias VETTER
摘要： An axial flux motor and a method for operating the same, in particular for driving at least one leaf element of a door, of a gate, of a window, of a person separation device and/or of a partition wall system, include a magnet unit and having a coil unit, with the magnet unit being designed so as to be rotatable about a rotational axis, and with a gap being designed between the magnet unit and the coil unit. An actuation unit is provided, with which the gap between the magnet unit and the coil unit is variable, in particular enlargeable.
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公开(公告)号：US20220371364A1
公开(公告)日：2022-11-24
申请号：US17719395
申请日：2022-04-13
发明人： Yueh-Feng Chiang , Kuo-Ching Chiang
IPC分类号： B60B27/00 , H02K7/18 , H02K21/24 , H02K1/2789
摘要： An electromagnetic induction hub includes a first disc having a first magnet, a second disc having a second magnet, a coil disc formed between the first disc and the second disc, a bearing penetrates the first disc, the second disc and the coil disc.
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公开(公告)号：US11509197B2
公开(公告)日：2022-11-22
申请号：US16622790
申请日：2018-06-15
发明人： Ryan Maughan
摘要： An electrically powered propellor apparatus comprising an axial flux electric machine. The axial flux electric machine comprises a rotor, at least one stator and a shaft. The shaft mounts the rotor and the shaft is mounted in at least two spaced apart thrust bearings. Each of the thrust bearings is configured to resist thrust in opposing axial directions of the shaft. The shaft has a propellor mounted on at least one end thereof.
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公开(公告)号：US20220368202A1
公开(公告)日：2022-11-17
申请号：US17763313
申请日：2020-08-25
发明人： Maximilian Bossecker , Holger Witt
摘要： An axial flux machine having a stator which is located between a first rotor disk and a second rotor disk. The base part of the stator is a central support flange which defines a first lateral face and a second lateral face. The central support flange has a plurality of flow openings. A first, left stator cover is mounted, with a formed collection channel, on the first lateral face of the support flange, and a second, right stator cover is mounted, with a formed distribution channel, on the second lateral face of the support flange.
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公开(公告)号：US11502569B2
公开(公告)日：2022-11-15
申请号：US16989646
申请日：2020-08-10
摘要： An electric machine for converting between electrical and rotary mechanical energy includes a rotor journaled to rotate about an axis of rotation, and a stationary stator mounted adjacent to the rotor. The stator has a ferromagnetic backiron with a surface facing the rotor across a magnetic airgap and having windings applied in a winding pattern formed directly onto the stator backiron and adhered to its surface with a pre-applied tacky adhesive. The windings magnetically exert torque upon the rotor across the magnetic armature airgap in response to electric power applied to the windings. The rotor has permanent magnets that generate magnetic flux across the airgap and through the windings. The windings are comprised of pre-bundled multiple individually insulated conductor strands that are electrically connected in parallel but are electrically insulated from each other along their lengths inside said magnetic armature airgap.
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公开(公告)号：US20220311303A1
公开(公告)日：2022-09-29
申请号：US17619720
申请日：2020-06-17
IPC分类号： H02K5/173 , H02K7/08 , H02K9/22 , H02K21/24 , D06F37/20 , D06F37/30 , F16C19/52 , F16C19/56 , F16C35/067
摘要： An electric motor assembly suitable for use in a laundry washing machine or dryer or washer-dryer, is of the axial flux permanent magnet synchronous motor direct-drive type, with the stator coils carried by a rotor bearing housing component to provide a primary heat conduction pathway from the stator coils to the bearing housing 5 component, and to a drum of the machine. The motor may be positioned between axially spaced bearings mounting the rotor.
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公开(公告)号：US11411450B2
公开(公告)日：2022-08-09
申请号：US17252485
申请日：2019-06-17
IPC分类号： H02K1/18 , H02K1/2796 , H02K5/10 , H02K5/22 , H02K9/19 , H02K9/22 , H02K16/04 , H02K21/24 , H02K1/2793 , H02K5/124 , H02K5/132 , H02K7/102
摘要： Conventional axial flux motors typically include multiple rotors and stators resulting in a larger and heavier motor. Additionally, conventional axial flux motors include a housing to protect the rotors and stators, but the housing is often difficult to seal from the environment leading to risks of contaminants (e.g., dirt, water) infiltrating the motor and causing failure over time. The present invention overcomes these limitations by disclosing an axial flux motor with a single rotor and two stators. The use of a single rotor reduces the size and weight of the motor. An inboard housing and an outboard housing mechanically support the two stators and are joined together to define an interior cavity. A ring seal is disposed between the two housings to ensure the interior cavity is sealed. Additionally, the two stators may actuate multiple degrees of freedom (DOF) including the rotation of a wheel and actuation of a suspension.
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公开(公告)号：US20220239207A1
公开(公告)日：2022-07-28
申请号：US17584411
申请日：2022-01-26
摘要： A lower part first main magnet, a lower part first sub-magnet, a lower part second main magnet, and a lower part second sub-magnet of a motor are sequentially repeatedly placed along a circumference of a rotation axis for relative rotation, a magnetization direction of the lower part first main magnet is a lower part first direction, a magnetization direction of the lower part second main magnet is a lower part second direction, magnetization directions of the lower part first sub-magnet and the lower part second sub-magnet are circumferential directions, the lower part first sub-magnet and the lower part second sub-magnet have recessed portions in parts facing a first stator and facing the lower part first main magnet or the lower part second main magnet, and lower part first auxiliary magnet to lower part fourth auxiliary magnet in magnetization directions different from the lower part first direction.
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公开(公告)号：US20220166298A1
公开(公告)日：2022-05-26
申请号：US17534570
申请日：2021-11-24
发明人： Makoto MURAKAMI
IPC分类号： H02K21/24 , B25J9/12 , H02K1/2793 , H02K3/28
摘要： A rotary motor includes a first stator including a plurality of first cores and a first coil, a signal of any one of a first phase, a second phase, and a third phase forming a three-phase alternating current flowing to the first coil, a second stator including a plurality of second cores and a second coil, a signal of any one of the first phase, the second phase, and the third phase forming the three-phase alternating current flowing to the second coil, and a rotor disposed between the first stator and the second stator via a gap and including a plurality of magnets arranged side by side in a circumferential direction around a rotation axis. A center of gravity of the first core around which the first coil to which the signal flows is wound and a center of gravity of the second core around which the second coil to which a signal of the same phase as the phase of the signal flowing to the first coil flows is wound are shifted from each other in the circumferential direction.
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