-
公开(公告)号：US20150076953A1
公开(公告)日：2015-03-19
申请号：US14490029
申请日：2014-09-18
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA
Abstract: A stator core with a plurality of slots circumferentially arranged therearound has a stator winding including three (UVW) phase windings, each phase winding having 4n parallel windings. The stator winding is formed of U-shaped conductor segments inserted in the slots from one axial end, a pair of open end portions of each conductor segment extending axially from of the stator core and being bent toward circumferentially opposite directions, the bent portions being star connected together. The plurality of slots have, for each phase winding, pairs of circumferentially adjacent slots, each slot having an even number of slot-received portions of the phase winding radially aligned in a column, and for each circumferential slot pairs, the slot-received portion in an m-th layer of each slot of the pair is electrically connected to the portion inserted in an (m+1)-th layer of a slot of a circumferentially adjacent slot.
Abstract translation: 具有围绕其周向布置的多个槽的定子铁芯具有包括三个（UVW）相绕组的定子绕组，每个相绕组具有4n个并联绕组。 定子绕组由从一个轴向端部插入到槽中的U形导体段形成，每个导体段的一对开口端部从定子铁心轴向延伸并沿着周向相反的方向弯曲，弯曲部分为星形 连接在一起 对于每个相位绕组，多个槽具有对周向相邻的槽，每个槽具有在列中径向对准的相绕组的偶数个槽接收部分，并且对于每个周向槽对，槽接收部分 在该对的每个槽的第m层电连接到插入在周向相邻槽的槽的第（m + 1）层中的部分。
-
公开(公告)号：US20140210298A1
公开(公告)日：2014-07-31
申请号：US14165806
申请日：2014-01-28
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA
IPC: H02K3/28
Abstract: A stator of a rotary electric machine includes an annular stator core with a plurality of slots arranged in a circumferential direction, a stator winding formed by three phases of phase windings wound around the slots, and neutral wires for commonly connecting ends of the phase windings together in star-connection. Each of the phase windings has two partial windings that are electrically connected in parallel, ends of at least two sets of the partial windings formed by combining two partial windings among the total of six partial windings in different phases and the ends of the neutral wires are connected electrically, and the partial windings connected to both ends of each neutral wire include all the phases.
Abstract translation: 旋转电机的定子包括具有沿圆周方向布置的多个槽的环形定子铁芯，由缠绕在槽周围的三相相绕组形成的定子绕组和用于将相绕组的一端共同连接的中性线 在星形连接。 每个相绕组具有并联电连接的两个部分绕组，至少两组部分绕组的端部通过组合在不同相中的六个部分绕组中的两个部分绕组而形成，并且中性线的端部为 连接到每个中性线的两端的部分绕组包括所有相。
-
公开(公告)号：US20220181935A1
公开(公告)日：2022-06-09
申请号：US17678674
申请日：2022-02-23
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA , Kazuya IWASE
Abstract: A stator with a multi-phase stator winding including phase windings each made of several winding segments, the segments including intermediate conductor portions arranged away from each other in a circumferential direction and link portions located at first and second radial end sides and connect the paired intermediate conductor portions into an annular shape. The winding segments are adjacent each other in a circumferential direction partially overlapping in the circumferential direction and include first and second winding segments overlapping each other in the circumferential direction. The link portions of the first winding segments are bent radially inward at at least one of axially opposed ends of the stator winding. The link portions of the second winding segments are bent radially outward at the at least one of the axially opposed ends of the stator winding. These link portions are arranged not overlapping in an axial direction of the stator.
-
公开(公告)号：US20210384794A1
公开(公告)日：2021-12-09
申请号：US17410751
申请日：2021-08-24
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA , Yuki TAKAHASHI , Kazuya IWASE
IPC: H02K3/52
Abstract: An armature includes an armature coil including a plurality of coil modules and a base member including a cylindrical back core. Each of the coil modules includes a corresponding partial winding of the armature coil and a back-yoke-side insulating wall formed on the back yoke side of the corresponding partial winding. The coil modules are arranged, on a radially inner side or a radially outer side of the base member, in alignment with each other in a circumferential direction. The base member has a plurality of first engaging portions formed therein and each of the coil modules has at least one second engaging portion formed in the back-yoke-side insulating wall thereof. The coil modules are fixed to the base member with each of the first engaging portions of the base member engaging with a corresponding one of the second engaging portions of the coil modules in the circumferential direction.
-
公开(公告)号：US20210384789A1
公开(公告)日：2021-12-09
申请号：US17411318
申请日：2021-08-25
Applicant: DENSO CORPORATION
Inventor： Yuki MAWATARI , Akito TAMURA , Hiroyuki TSUCHIYA , Akira FUKUSHIMA , Yuki TAKAHASHI
Abstract: An armature which radially faces a magnetic field-producing unit equipped with a magnet unit having a plurality of magnetic poles includes a housing, an armature core, a multi-phase armature winding, and bus bars. The housing includes a cylinder and a disc-shaped end plate placed in contact with one of axially opposed ends of the cylinder. The armature core is disposed on a portion of the cylinder which radially faces the magnet unit. The armature winding is disposed on a portion of the armature core which radially faces the magnet unit. The bus bars electrically connect phase windings of the armature winding together. The armature also includes a bus bar module which is of a circular or C-shape extending along the circumference of the armature core. The bus bar module is secured to the cylinder, the end plate, or one of axially opposed ends of the armature core.
-
Patent Agency Ranking
公开(公告)号：US20190207454A1
公开(公告)日：2019-07-04
申请号：US16299628
申请日：2019-03-12
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA
Abstract: A stator includes a stator core having slots, a stator coil comprised of three phase windings, phase busbars each electrically connecting a corresponding one of the phase windings to an inverter, and a neutral busbar star-connecting the phase windings to define a neutral point therebetween. In each of the slots of the stator core, there are arranged K in-slot portions of the phase windings of the stator coil in K layers so as to be radially aligned with each other, where K is an even number. The phase and neutral busbars are electrically connected with those in-slot portions of the phase windings of the stator coil which are arranged at the radially outermost layer or the radially innermost layer in the respective slots of the stator core so as to be circumferentially spaced from one another by M slot-pitches or more, where M is a slot multiplier number.
-
公开(公告)号：US20170033619A1
公开(公告)日：2017-02-02
申请号：US15225242
申请日：2016-08-01
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA
CPC classification number: H02K1/16 , H02K3/12 , H02K3/28 , H02K3/30 , H02K2213/03
Abstract: A stator includes a stator core having slots and a stator coil comprised of three star-connected phase windings. In each of the slots, there are arranged in-slot portions of the phase windings in six layers. Each of the phase windings is comprised of five parallel-connected sub-windings. At each of the six layers, the in-slot portions of the sub-windings are arranged in a plurality of slot pairs; the slot pairs are circumferentially spaced from one another and each consist of two consecutive slots that are respectively identified as types A and B of the slots. Moreover, for each of the sub-windings, the in-slot portions of the sub-winding are evenly distributed to the two types A and B so that the number of the in-slot portions of the sub-winding arranged in the slots of the same type at each of the six layers is equal to 2.
Abstract translation: 定子包括具有槽的定子铁芯和由三个星形连接的相绕组构成的定子线圈。 在每个槽中，相位绕组的内槽部分布置在六层中。 每个相绕组由五个并联连接的子绕组组成。 在六层中的每一层上，子绕组的槽内部分布置成多个槽对; 槽对彼此周向间隔开，并且每个由两个连续的槽组成，分别被识别为槽的类型A和B. 此外，对于每个子绕组，子绕组的槽内部分均匀地分布到两种类型A和B中，使得布置在槽中的子绕组的槽内部分的数量 六层中的每一层的相同类型等于2。
-
公开(公告)号：US20150381000A1
公开(公告)日：2015-12-31
申请号：US14751924
申请日：2015-06-26
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA
Abstract: A stator includes an annular stator core and a stator coil. The stator core has U-phase slots, V-phase slots and W-phase slots sequentially and repeatedly provided in pairs in its circumferential direction. The stator coil has U-phase, V-phase and W-phase windings respectively received in the U-phase, V-phase and W-phase slots. In each of the slots, there are received 2×N in-slot portions of a corresponding one of the phase windings in radial alignment with each other, where N≧2. Each of the phase windings consists of a pair of sub-windings connected parallel to each other. Each of the sub-windings includes winding sections that are classified into N winding section groups. Each of the winding sections of (N−1) winding section groups is connected via only serial connection, and each of the winding sections of the remaining one winding section group is connected via both serial connection and parallel connection.
Abstract translation: 定子包括环形定子芯和定子线圈。 定子铁芯具有U相槽，V相槽和W相槽，其周向依次成对设置。 定子线圈分别在U相，V相和W相槽中接收U相，V相和W相绕组。 在每个时隙中，相互绕组中相应的一个相位绕组的2×N个时隙部分彼此径向对准，其中N≥2。 每个相绕组由一对彼此平行连接的子绕组组成。 每个子绕组包括分为N个绕组部分组的绕组部分。 （N-1）绕组部分组的每个绕组部分仅通过串联连接，其余一个绕组部分组的每个绕组部分经由串联和并联连接。
-
公开(公告)号：US20150229176A1
公开(公告)日：2015-08-13
申请号：US14615515
申请日：2015-02-06
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA
Abstract: A stator for a rotating electric machine, including an annular stator core having a plurality of slots circumferentially arranged in the stator core, and a stator winding wound around the stator core and comprised of a plurality of U-shaped conductor segments inserted in the slots and connected to each other. Each conductor segment includes a conductor and a bilayer insulative coating comprised of an insulating layer covering a peripheral surface of the conductor and a protective layer covering a peripheral surface of the insulating layer. The protective layer is formed of a material having a Young's modulus that is equal to or greater than a Young's modulus of the insulating layer at room temperature and less than the Young's modulus of the insulating layer in high temperature environments caused by heat generation of the stator winding.
Abstract translation: 一种用于旋转电机的定子，包括环形定子芯，其具有周向布置在定子芯中的多个狭缝和缠绕在定子芯上的定子绕组，并且包括插入槽中的多个U形导体段和 相互连接。 每个导体段包括导体和双层绝缘涂层，其包括覆盖导体周边表面的绝缘层和覆盖绝缘层周边表面的保护层。 保护层由杨氏模量等于或大于室温下的绝缘层的杨氏模量并且小于由定子的发热引起的高温环境中的绝缘层的杨氏模量的材料形成的保护层 绕组。
-
公开(公告)号：US20210384808A1
公开(公告)日：2021-12-09
申请号：US17410850
申请日：2021-08-24
Applicant: DENSO CORPORATION
Inventor： Akito TAMURA , Yuki TAKAHASHI , Atsushi UMEDA
IPC: H02K21/14
Abstract: A rotating electric machine includes a field system having a magnet section and an armature having a multi-phase armature coil. The magnet section has easy axes of magnetization oriented to be more parallel to a d-axis at locations closer to the d-axis than at locations closer to a q-axis. The magnet section has an intrinsic coercive force higher than or equal to 400 [kA/m] and a residual flux density higher than or equal to 1.0 [T]. There are no inter-conductor members provided between electrical conductor sections of the armature coil. The armature coil includes a plurality of phase windings each of which is constituted of a plurality of partial windings. Each of the partial windings is formed of an electrical conductor that is multiply wound in the electrical conductor sections of the same phase. In each of the phase windings, the partial windings are connected in parallel with each other.
-
-
-
-
-
-
-
-
-
Search Results
28
records
(took 0.016 seconds)
