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公开(公告)号：US10396615B2
公开(公告)日：2019-08-27
申请号：US14874583
申请日：2015-10-05
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Steven Joseph Galioto , Ayman Mohamed Fawzi El-Refaie
Abstract: A stator lamination for an electric machine has a circular lamination with an annular bore therethrough; winding slots therethrough; and, slot closures disposed adjacent to the winding slots. The stator lamination is formed of a dual magnetic phase material, such that the magnetic property of the lamination can have a first state and a magnetic property in a second state, wherein the second state is different than the first state. The slot closures regions are treated so as to transition to the second state. A method of manufacturing an electric machine component is also disclosed.
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公开(公告)号：US20160087503A1
公开(公告)日：2016-03-24
申请号：US14874583
申请日：2015-10-05
Applicant: General Electric Company
Inventor： Steven Joseph Galioto , Ayman Mohamed Fawzi EL-Refaie
CPC classification number: H02K3/493 , H02K1/02 , H02K1/16 , H02K1/2773 , H02K15/024 , Y10T29/49009
Abstract: A stator lamination for an electric machine has a circular lamination with an annular bore therethrough; winding slots therethrough; and, slot closures disposed adjacent to the winding slots. The stator lamination is formed of a dual magnetic phase material, such that the magnetic property of the lamination can have a first state and a magnetic property in a second state, wherein the second state is different than the first state. The slot closures regions are treated so as to transition to the second state. A method of manufacturing an electric machine component is also disclosed.
Abstract translation: 一种用于电机的定子层压板具有通过其中的环形孔的圆形层压; 绕线槽通过; 以及邻近绕组槽设置的槽闭合件。 定子层叠由双磁相材料形成，使得层压体的磁性能可以在第二状态下具有第一状态和磁性，其中第二状态不同于第一状态。 处理槽闭合区域以转变到第二状态。 还公开了一种电机部件的制造方法。
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Patent Agency Ranking
公开(公告)号：US10193421B2
公开(公告)日：2019-01-29
申请号：US14940712
申请日：2015-11-13
Applicant: General Electric Company
Inventor： Karthik Kumar Bodla , Manoj Ramprasad Shah , Steven Joseph Galioto
Abstract: A component of an electrical machine is disclosed. The component includes a core including a plurality of slots, a magnetic field-generating component disposed in at least one slot of the plurality of slots, and a heat dissipating element disposed in a slot of the plurality of slots, in contact with the magnetic field-generating component. The heat dissipating element includes a thermally conductive material having an in-plane thermal conductivity higher than a through-plane thermal conductivity.
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公开(公告)号：US09979248B2
公开(公告)日：2018-05-22
申请号：US14754138
申请日：2015-06-29
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Steven Joseph Galioto , Manoj Ramprasad Shah , Patel Bhageerath Reddy , Nathaniel Benedict Hawes
CPC classification number: H02K3/28 , H02K1/16 , H02K1/274 , H02K3/12 , H02K3/493 , H02K21/14 , H02K2213/03
Abstract: A permanent magnet (PM) machine includes a rotor and a stator assembly. The rotor includes a plurality of permanent magnets disposed about an axis of rotation. The stator assembly includes a stator body, a plurality of coil sides and a plurality of sintered iron magnetic wedges. The stator body includes a plurality of stator teeth defining a plurality of stator slots, each stator slot having an inside position and an outside position, such that each of the plurality of stator slots includes a first plurality of inside positions, and a first plurality of outside positions. The first plurality of coil sides are disposed in each of the first plurality of inside positions and the first plurality of outside positions. The first plurality of coil sides correspond to a first power phase. The first plurality of coil sides are electrically coupled to one another by a first plurality of end-coils. The plurality of sintered iron magnetic wedges are disposed at the openings of at least one stator slot of the plurality of stator slots.
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公开(公告)号：US20170141655A1
公开(公告)日：2017-05-18
申请号：US14940712
申请日：2015-11-13
Applicant: General Electric Company
Inventor： Karthik Kumar Bodla , Manoj Ramprasad Shah , Steven Joseph Galioto
IPC: H02K9/22
CPC classification number: H02K9/22
Abstract: A component of an electrical machine is disclosed. The component includes a core including a plurality of slots, a magnetic field-generating component disposed in at least one slot of the plurality of slots, and a heat dissipating element disposed in a slot of the plurality of slots, in contact with the magnetic field-generating component. The heat dissipating element includes a thermally conductive material having an in-plane thermal conductivity higher than a through-plane thermal conductivity.
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公开(公告)号：US20160380495A1
公开(公告)日：2016-12-29
申请号：US14754138
申请日：2015-06-29
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Steven Joseph Galioto , Manoj Ramprasad Shah , Patel Bhageerath Reddy , Nathaniel Benedict Hawes
CPC classification number: H02K3/28 , H02K1/16 , H02K1/274 , H02K3/12 , H02K3/493 , H02K21/14 , H02K2213/03
Abstract: A permanent magnet (PM) machine includes a rotor and a stator assembly. The rotor includes a plurality of permanent magnets disposed about an axis of rotation. The stator assembly includes a stator body, a plurality of coil sides and a plurality of sintered iron magnetic wedges. The stator body includes a plurality of stator teeth defining a plurality of stator slots, each stator slot having an inside position and an outside position, such that each of the plurality of stator slots includes a first plurality of inside positions, and a first plurality of outside positions. The first plurality of coil sides are disposed in each of the first plurality of inside positions and the first plurality of outside positions. The first plurality of coil sides correspond to a first power phase. The first plurality of coil sides are electrically coupled to one another by a first plurality of end-coils. The plurality of sintered iron magnetic wedges are disposed at the openings of at least one stator slot of the plurality of stator slots.
Abstract translation: 永磁（PM）机器包括转子和定子组件。 转子包括围绕旋转轴设置的多个永磁体。 定子组件包括定子体，多个线圈侧和多个烧结铁磁铁楔。 定子体包括限定多个定子槽的多个定子齿，每个定子槽具有内部位置和外部位置，使得多个定子槽中的每一个包括第一多个内部位置，并且第一多个 外面的位置。 第一多个线圈侧设置在第一多个内部位置和第一多个外部位置中的每一个中。 第一多个线圈侧对应于第一电力相位。 第一组多个线圈侧通过第一多个端部线圈彼此电耦合。 多个烧结铁磁楔设置在多个定子槽的至少一个定子槽的开口处。
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公开(公告)号：US20140265708A1
公开(公告)日：2014-09-18
申请号：US13853122
申请日：2013-03-29
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Steven Joseph Galioto , Ayman Mohamed Fawzi EL-Refaie
IPC: H02K1/02
CPC classification number: H02K1/02 , H02K17/165
Abstract: A dual magnetic phase rotor lamination for use in induction machines is disclosed. A rotor assembly is provided that includes a rotor core and a plurality of rotor conductors mechanically coupled to the rotor core and positioned thereabout, with the plurality of rotor conductors positioned within slots formed in the rotor core. The rotor core comprises a plurality of rotor laminations that collectively form the rotor core, with each of the rotor laminations being composed of a dual magnetic phase material and including a first rotor lamination portion comprising a magnetic portion and a second rotor lamination portion comprising a non-magnetic portion, wherein the second rotor lamination portion comprises a treated portion of the rotor lamination that is rendered non-magnetic so as to adjust a leakage inductance of the induction machine.
Abstract translation: 公开了一种用于感应电机的双磁相转子叠片。 提供了一种转子组件，其包括转子芯和机械地联接到转子芯并且定位在其周围的多个转子导体，其中多个转子导体定位在形成在转子芯中的槽内。 转子芯包括共同形成转子芯的多个转子叠片，其中每个转子叠片由双重磁性相材料组成，并且包括第一转子叠片部分，该第一转子叠片部分包括磁性部分和第二转子叠片部分， 磁性部分，其中所述第二转子层叠部分包括转子叠片的被处理部分，其被非磁性地调节以引起所述感应电机的漏电感。
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