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公开(公告)号：US11973369B2
公开(公告)日：2024-04-30
申请号：US17292762
申请日：2019-12-17
Applicant: NIPPON STEEL CORPORATION
Inventor： Hiroshi Fujimura , Takeaki Wakisaka , Ryu Hirayama
CPC classification number: H02K1/146 , H02K1/16 , H02K2201/09 , H02K2213/03
Abstract: A laminated core includes a plurality of electrical steel sheets stacked on each other, wherein, among the plurality of electrical steel sheets, both of the electrical steel sheets located on a first side in a stacking direction and the electrical steel sheets located on a second side in the stacking direction are fastened to each other but are not adhered to each other, and the electrical steel sheets located in a center in the stacking direction are adhered to each other but are not fastened to each other.
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公开(公告)号：US11915860B2
公开(公告)日：2024-02-27
申请号：US17294955
申请日：2019-12-17
Applicant: NIPPON STEEL CORPORATION
Inventor： Ryu Hirayama , Kazutoshi Takeda
IPC: H01F27/00 , H01F41/02 , H01F27/245 , H02K1/18 , H01F27/26
CPC classification number: H01F41/0233 , H01F27/245 , H02K1/18 , H01F27/26 , H02K2201/09 , H02K2213/03
Abstract: A laminated core includes a plurality of electrical steel sheets stacked on each other and coated with an insulation coating on both surfaces thereof, and an adhesion part provided between the electrical steel sheets adjacent to each other in a stacking direction and configured to adhere the electrical steel sheets to each other, wherein an adhesion area ratio of the electrical steel sheet by the adhesion part is 1% or more and 40% or less.
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公开(公告)号：US11728696B2
公开(公告)日：2023-08-15
申请号：US17121148
申请日：2020-12-14
Applicant: SKF MAGNETIC MECHATRONICS
Inventor： Erwan Salahun , Joaquim Da Silva , Bruno Tellier
Abstract: A lamination stack for use in a rotating electrical machine includes a plurality of sheets of ferritic material. Each of the sheets has first and second sides that include asperities, and the asperities have a height of about two microns and a width of about two microns. A layer of electrically insulating material is provided between adjacent pairs of the ferritic sheets in the stack, and the asperities extend into the electrically insulating material.
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公开(公告)号：US09935529B2
公开(公告)日：2018-04-03
申请号：US15342120
申请日：2016-11-03
Applicant: NEW MOTECH CO., LTD.
Inventor： Jeong Cheol Jang , Kyoung Joo Lee , Hyun Sung Yang
CPC classification number: H02K15/022 , H02K1/148 , H02K1/185 , H02K15/02 , H02K2201/09 , Y10T29/49009 , Y10T29/49011 , Y10T29/49012 , Y10T29/49075 , Y10T29/49078
Abstract: A method for manufacturing a laminated core for a motor comprises the steps of: stamping a sheet of a core of a straight form to have a form that a plurality of split cores are connected; laminating sheets of the core perpendicularly; bending the sheets of the core in a round form; and forming a connection caulking part at contact parts of yokes, which are adjacent to each other, of the bended core.
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公开(公告)号：US09876398B2
公开(公告)日：2018-01-23
申请号：US14301276
申请日：2014-06-10
Applicant: HONDA MOTOR CO., LTD.
Inventor： Kazufusa Miyajima , Kenta Umetsu
CPC classification number: H02K1/148 , H02K1/02 , H02K1/14 , H02K2201/09
Abstract: A stator core for a rotating electric machine includes a plurality of split cores. Each of the plurality of split cores includes a back yoke, a tooth, and a single caulking portion. When each of the plurality of split cores is seen in an axial direction, two inner circumferential-side intersections and two outer circumferential-side intersections are defined, both circumferential-end surfaces of the tooth intersect an inner circumferential surface of the back yoke at the two inner circumferential-side intersections, virtual lines drawn by extending both the circumferential-end surfaces of the tooth intersect an outer circumferential surface of the back yoke at the two outer circumferential-side intersections, a central position of the caulking portion is disposed in an opposing angular region on a radially outer side out of four opposing angular regions defined by lines diagonally connecting the two inner circumferential-side intersections to the respective two outer circumferential-side intersections.
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Patent Agency Ranking
公开(公告)号：US09768653B2
公开(公告)日：2017-09-19
申请号：US14127644
申请日：2012-06-22
Applicant: Anderson Wolf , Andre Lucas Merini , Hermann Otto Knupfer , Sergio Do Rosario , Tarcisio João Grott
Inventor： Anderson Wolf , Andre Lucas Merini , Hermann Otto Knupfer , Sergio Do Rosario , Tarcisio João Grott
CPC classification number: H02K1/265 , H02K1/06 , H02K15/02 , H02K15/024 , H02K2201/09 , Y10T29/49009 , Y10T428/24322
Abstract: Each lamination of the lamination stack comprises at least one assembly of coupling elements, said assembly comprising one insertion clamp, one receiving clamp and at least one receiving window, said coupling elements maintaining the same relative positioning from one another, the insertion clamp and the receiving clamp being defined by respective portions of the lamination axially projecting to the same side of the latter, each insertion clamp of a lamination being fitted, by interference, in the interior of a receiving clamp of an adjacent lamination, and each receiving clamp of a lamination being housed in the receiving window of at least one lamination of the stack.
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公开(公告)号：US20170085139A1
公开(公告)日：2017-03-23
申请号：US15265147
申请日：2016-09-14
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Ken NODA , Hiroyuki HATTORI
IPC: H02K1/18
CPC classification number: H02K1/185 , H02K1/146 , H02K1/16 , H02K1/18 , H02K21/16 , H02K2201/09 , H02K2213/03
Abstract: A stator and a rotary electric machine include a stator core including a plurality of stacked annular electromagnetic steel plates with coupling portions. The coupling portions are arranged with a pitch of an integral multiple of a central angle. The central angle is defined as an angle between two adjacent magnetic poles of the same polarity relative to a rotational center of the rotor. When a number of the coupling portions is an odd number, fixing portions are arranged with the same pitch as the pitch of the coupling portions, or with a pitch corresponding to a divisor of the pitch of the coupling portions. When a number of the coupling portions is an even number, the fixing portions are arranged with a pitch corresponding to a divisor of the pitch of the coupling portions, or a divisor of 180°.
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308.发明申请公开(公告)号：US20160226323A1
公开(公告)日：2016-08-04
申请号：US14609752
申请日：2015-01-30
Applicant: HONEYWELL INTERNATIONAL INC.
Inventor： James Piascik , Reza Oboodi , Paul Chipko , Martin Carlin Baker , Jimmy Wiggins , Leroy Allen Fizer
CPC classification number: H02K1/18 , H01F1/18 , H01F41/0233 , H02K1/04 , H02K15/02 , H02K15/12 , H02K2201/09 , Y10T29/49009
Abstract: Embodiments of laminated stator cores suitable for usage in high temperature applications are provided, as are embodiments of methods for manufacturing high temperature laminated stator core. In one embodiment, the method includes obtaining a plurality of coated laminates each comprising a laminate over which a coating precursor layer is formed. The coating precursor layer contain inorganic dielectric particles having a softening point. The plurality of coated laminates are arranged in a laminate stack, which is then fired at temperatures equal to or greater than the softening point of the inorganic dielectric particles. During firing, a compressive force is applied to the laminate stack sufficient to consolidate the inorganic dielectric particles into a plurality of coherent interlaminate dielectric layers electrically insulating and bonding together the plurality of coated laminates as the high temperature laminated stator core.
Abstract translation: 提供了适用于高温应用的层叠定子铁芯的实施例，如制造高温层压定子铁心的方法的实施例。 在一个实施方案中，该方法包括获得多个涂覆的层压体，每个涂层层压板包括形成有涂层前体层的层压板。 涂层前体层含有具有软化点的无机介电粒子。 多个涂覆的层压体被布置在层压叠层中，然后在等于或大于无机介电颗粒的软化点的温度下烧制。 在焙烧期间，将压缩力施加到叠层叠层上，足以将无机介电颗粒固结成多个相干层间电介质层，将多个涂覆的层压板电绝缘并结合在一起作为高温层压定子芯。
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公开(公告)号：US20150256037A1
公开(公告)日：2015-09-10
申请号：US14638231
申请日：2015-03-04
Applicant: DENSO CORPORATION
Inventor： Yuichi KUDOSE , Atsushi UMEDA
CPC classification number: H02K1/20 , H02K1/16 , H02K3/12 , H02K3/30 , H02K3/32 , H02K15/12 , H02K2201/09
Abstract: A stator for an electric rotating machine includes an annular stator core, an outer cylinder fitted on a radially outer surface of the stator core, and a stator coil mounted on the stator core. The stator core is comprised of a plurality of stator core segments that are arranged in a circumferential direction of the stator core so as to adjoin one another in the circumferential direction. The stator coil is fixed to the stator core by a thermosetting resin that is set by induction-heating the stator core. Each of the stator core segments is formed by laminating a plurality of steel sheets in an axial direction of the stator core and fixing at least some of the steel sheets by staking. The number of staking portions formed in one of the steel sheets is different from the number of staking portions formed in another one of the steel sheets.
Abstract translation: 旋转电机的定子包括环形定子铁心，安装在定子铁芯的径向外表面上的外筒和安装在定子铁芯上的定子线圈。 定子铁芯由多个定子铁芯段构成，定子铁芯段沿定子铁心的圆周方向沿圆周方向彼此相邻配置。 定子线圈通过感应加热定子铁心设置的热固性树脂固定在定子芯上。 每个定子铁芯段通过在定子铁芯的轴向层压多个钢板并通过铆接固定至少一些钢板而形成。 在一个钢板中形成的铆接部的数量与在另一个钢板中形成的铆接部的数量不同。
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公开(公告)号：US09030076B2
公开(公告)日：2015-05-12
申请号：US13642231
申请日：2011-05-17
Applicant: Tomohiro Sato
Inventor： Tomohiro Sato
CPC classification number: H02K1/185 , H02K1/148 , H02K2201/09 , H02K2213/03 , H02K2213/12
Abstract: An electrical rotary machine comprises a stator having a plurality of split cores arranged in an annular shape and a holding ring capable of retaining the plurality of split cores on an inner circumferential surface so that a surface pressure is applied to an outer circumferential surface of the split cores. The electrical rotary machine further comprises a rotor provided radially inside of the stator facing the split cores in a radial direction and rotatable relative to the stator. Each of the split cores includes a tooth portion extending in an radial direction and a back yoke portion extending in a circumferential direction. Each of the split cores further includes a slit penetrating an outer circumferential periphery of the back yoke portion except for either circumferential end of the back yoke portion.
Abstract translation: 电动旋转机械包括定子，该定子具有多个以环状形成的分割铁心，以及保持环，该保持环能够将多个分裂铁芯保持在内周面上，使得表面压力施加到分体的外周面 核心。 电动旋转机械还包括一个转子，该转子径向设置在定子的内侧，面向分离芯体的径向方向并相对于定子可转动。 每个分割芯包括沿径向方向延伸的齿部分和沿圆周方向延伸的后轭部分。 每个分离芯还包括穿过后轭铁部分的外圆周的狭缝，除了后轭部分的任一圆周端。
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