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公开(公告)号：US06433455B1
公开(公告)日：2002-08-13
申请号：US09627234
申请日：2000-07-27
IPC分类号： H02K1922
CPC分类号： H02K1/243
摘要： The vehicle AC generator comprises a stator core 4 having a stator coil 5, a first rotor core 8 and a second rotor core 9 provided on an inner diameter side of the stator core 4 to rotate, a field coil 10 for magnetizing the first rotor core 8 and the second rotor core 9, and a plurality of pole pieces 8a, 9a provided on the first rotor core 8 and the second rotor core 9 to extend in an axis direction of the rotation axis, and arranged to engage alternatively with each other via a predetermined clearance, and provided to oppose to an inner diameter surface of the stator core 4 via a predetermined clearance, wherein the poles pieces 8a, 9a are formed into an almost trapezoidal shape to reduce a width toward its tip portion in a rotation direction, and a skew angle against the axis direction of both side surfaces of the pole pieces in a rotation direction is set small on a root side and also set large on a tip side.
摘要翻译： 车辆用交流发电机具有：定子铁芯4，具有定子线圈5，第一转子铁芯8和第二转子铁芯9，该第一转子铁心8和第二转子铁心9设置在定子铁芯4的内径侧上以旋转;磁场线圈10， 8和第二转子芯9以及设置在第一转子芯8和第二转子芯9上的多个极片8a，9a，以沿着旋转轴线的轴线方向延伸，并且布置成彼此交替地接合通过 预定的间隙，并且经由预定的间隙与定子铁心4的内径面相对，其中，磁极片8a，9a形成为大致梯形，以朝向旋转方向的前端部宽度减小， 并且相对于极片的旋转方向的两侧面的轴向的倾斜角度在根侧被设定得较小，并且在尖端侧也被设定得较大。
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公开(公告)号：US06424073B1
公开(公告)日：2002-07-23
申请号：US09665282
申请日：2000-09-20
IPC分类号： H02K1922
摘要： An automotive alternator is capable of reducing electromagnetic noises and wind noises of 12f components, which are extremely unpleasant higher harmonic noises to the ears, thereby permitting uncomfortable noises to be reduced, and also capable of suppressing a drop in output caused by a phase difference. In the alternator, two slots are applied per pole in a phase, spaces between centerlines that extend in a radial direction of openings of adjoining slots are formed to be irregular, and a first three-phase stator winding and a second three-phase stator winding are wound around a stator core with a phase difference of an electrical angle ranging from 31 to 34 degrees.
摘要翻译： 汽车用交流发电机能够降低12f成分的电磁噪声和风噪声，这是对耳朵的高次谐波噪声的极度不愉快，从而使不舒适的噪声降低，并且还能够抑制由相位差引起的输出下降。 在交流发电机中，每个极点以相位施加两个槽，在相邻槽的开口的径向方向上延伸的中心线之间的空间形成为不规则的，并且第一三相定子绕组和第二三相定子绕组 缠绕在定子铁芯上，其电角度范围为31至34度。
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公开(公告)号：US06424071B1
公开(公告)日：2002-07-23
申请号：US09697495
申请日：2000-10-27
申请人： Atsushi Oohashi , Yoshihito Asao
发明人： Atsushi Oohashi , Yoshihito Asao
IPC分类号： H02K300
摘要： Front-end and rear-end coil ends constituting front-end and rear-end coil end groups are formed into a connection pattern composed of pairs of root portions extending outwards from pairs of slots 15a three slots apart, pairs of inclined portions bent from each of the pairs of root portions and extending in a circumferential direction, and pairs of joining portions connecting together end portions of the pairs of inclined portions. Inclined portions positioned on an inner circumferential side of the coil ends are inclined forwards relative to a rotational direction of fans.
摘要翻译： 构成前端和后端线圈端组的前端和后端线圈端部形成为由一对根部组成的连接图案，该对根部从成对的槽15a向外延伸，三个槽分开，每对倾斜部分 的一对根部并沿圆周方向延伸，以及成对的连接部分，其连接在一对倾斜部分的端部。 位于线圈端部的内周侧的倾斜部相对于风扇的旋转方向向前倾斜。
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公开(公告)号：US06417585B1
公开(公告)日：2002-07-09
申请号：US09568497
申请日：2000-05-11
IPC分类号： H02K906
CPC分类号： H02K5/20
摘要： The present invention has been made aiming at decreasing sound pressure of the cooling wind and increasing cooling effect of the vehicular ac generator. The arrangement is such that a case is composed of a pair of opposing brackets having exhaust port ribs, defining a plurality of exhaust ports and intake port ribs disposed inner side of said exhaust ports and defining a plurality of intake ports, that exhaust port ribs of at least one of the brackets are tilted from 20° to 50° in the direction of rotation of the rotor with respect to the radial direction of the rotor and that the rib thickness of the exhaust port ribs in the normal plane of the tilt direction of the exhaust port ribs are equal to or less than 50% of the exhaust port width.
摘要翻译： 本发明旨在降低冷风的声压并增加车辆交流发电机的冷却效果。 这种布置使得壳体由具有排气口肋条的一对相对的支架构成，该排气口肋条限定了设置在所述排气口的内侧的多个排气口和进气口肋条，并且限定了多个进气口， 至少一个支架相对于转子的径向在转子的旋转方向上从20°倾斜到50°，并且排气口肋的倾斜方向的正常平面中的肋厚度 排气口肋条等于或小于排气口宽度的50％。
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公开(公告)号：US06373166B1
公开(公告)日：2002-04-16
申请号：US09635860
申请日：2000-08-11
申请人： Yoshihito Asao , Katsumi Adachi
发明人： Yoshihito Asao , Katsumi Adachi
IPC分类号： H02K124
CPC分类号： H02K19/22
摘要： A ratio (L2/L1) between an axial length L1 of disk portions and a length L2 of a stator core over lapping the disk portions in a radial direction is 0.3 or more, and a ratio (R2/R1) between an outside radius R1 of claw-shaped magnetic poles and an outside radius R2 of a cylindrical portion is within a range of 0.50 to 0.54.
摘要翻译： 盘部分的轴向长度L1与在径向上研磨盘部分的定子芯的长度L2之间的比（L2 / L1）为0.3以上，外径半径R1 的爪状磁极和圆筒部的外径R2在0.50〜0.54的范围内。
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公开(公告)号：USD448343S1
公开(公告)日：2001-09-25
申请号：US29120778
申请日：2000-03-27
申请人： Yoshihito Asao , Katsumi Adachi
设计人： Yoshihito Asao , Katsumi Adachi
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公开(公告)号：US06288471B1
公开(公告)日：2001-09-11
申请号：US09493112
申请日：2000-01-28
IPC分类号： H02K2900
摘要： An alternator includes a stator having a stator core formed with a number of slots extending longitudinally on an inner circumference thereof, and two sets of three-phase stator coils installed in the slots, and a rotor rotably disposed inside the stator, the rotor having a field coil for generating magnetic flux on passage of electric current, and pole cores covering the field coil, a number of claw-shaped magnetic poles being formed in the pole cores by the magnetic flux, a total number of slots in the alternator being one per pole per phase per set, the slots being formed such that radial center lines of adjacent openings of the slots have nonuniform pitch in a circumferential direction.
摘要翻译： 交流发电机包括具有定子芯的定子，定子芯形成有在其内周上纵向延伸的多个槽，以及安装在槽中的两组三相定子线圈和可旋转地设置在定子内部的转子，转子具有 用于在电流通过时产生磁通量的励磁线圈和覆盖励磁线圈的磁极铁芯，通过磁通量在极芯中形成多个爪状磁极，交流发电机中的总数为1个 每个相的每极的极数，这些槽形成为使得槽的相邻开口的径向中心线在圆周方向上具有不均匀的间距。
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公开(公告)号：US06285105B1
公开(公告)日：2001-09-04
申请号：US09561969
申请日：2000-05-01
申请人： Yoshihito Asao , Katsumi Adachi
发明人： Yoshihito Asao , Katsumi Adachi
IPC分类号： H02K304
摘要： A vehicular AC generator has a stator including a stator coil formed by AC connection of four-turn phase coils by serially inserting coil conductors into slots separated by intervals of three slots, the coil conductors being arranged four in a line in a radial direction, and wherein each of the phase coils is obtained by performing the steps of: inserting the U-shaped coil pieces from the axial side into two adjacent sets of two of the separated slots so that one of the coil pieces is respectively positioned at the first outermost place in one slot of each of the two sets and the fourth outermost place in the other slot of each of the two sets, and that another of the coil pieces is respectively positioned at the second outermost place in one slot of each of the two sets and the third outermost place in the other slot of each of the two sets; inserting remaining U-shaped coil pieces from the axial side into remaining sets of two of the separated slots so that one of the remaining coil pieces is respectively positioned at the first outermost place in one slot of each of the remaining sets and the second outermost place in the other slot of each of the remaining sets, and that another of the remaining coil pieces is respectively positioned at the third outermost place in one slot of each of the remaining sets and the fourth outermost place in the other slot of each of the remaining sets; forming first and second coils by connecting an end portion of each coil piece, which extends from the first outermost place in one slot of each of sets of two of the separated slots, to an end portion of each coil piece, which extends from the second outermost place in the other slot of each of the sets, and by connecting an end portion of each coil piece, which extends from the third outermost place in one slot of each of the sets, to an end portion of each coil piece, which extends from the fourth outermost place in the other slot of each of the sets, and forming a crossover connection portion between the first and second coils by cutting off the coil pieces inserted into the first outermost place in one slot of each of the two sets and the fourth outermost place in the other slot, and by connecting cut end portions of the coil pieces extending from the first outermost places in each slot of the two sets to the axial opposite side, cut end portions of the coil pieces extending from the fourth outermost places in each slot of the two sets to the axial opposite side being used a lead wire and a wire connected to a neutral point, respectively.
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公开(公告)号：US06262511B1
公开(公告)日：2001-07-17
申请号：US09404996
申请日：1999-09-27
IPC分类号： H02K1502
CPC分类号： H02K15/024 , H02K1/16 , Y10T29/49009 , Y10T29/49078 , Y10T29/49927
摘要： A thin metal sheet is laminated to form in advance a plurality of core units (of a circular cylinder shape) having the thickness of 1/N (N is a natural number of more than 2) of a predetermined thickness in the laminating direction and this plurality of core units is laminated again for securing so that the whole stator does not cause any mode of oscillation in the diametric direction.
摘要翻译： 层叠薄金属片，预先在层叠方向上形成厚度为1 / N（N为2以上的自然数）的规定厚度的多个芯部（圆筒状） 再次层叠多个核心单元以进行固定，使得整个定子不引起在直径方向上的任何振荡模式。
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公开(公告)号：US06201335B1
公开(公告)日：2001-03-13
申请号：US09531223
申请日：2000-03-20
IPC分类号： H02K2114
CPC分类号： H02K21/044
摘要： A rotor structure comprising a rotor coil for generating a magnetic flux, a pole core which covers the rotor coil and consists of a first pole core body and a second pole core body, each having a plurality of claw-like magnetic poles which are mated with each other, magnets provided on both sides of each of the claw-like magnetic pole for suppressing the leakage of a magnetic flux between adjacent claw-like magnetic poles, and reinforcements for holding the magnets in such a manner that the magnets are inclined so that the interval between the magnets becomes larger on the outer side than on the inner side. This rotor structure can reduce centrifugal force applied to the magnets.
摘要翻译： 一种转子结构，包括用于产生磁通量的转子线圈，一个覆盖转子线圈并由第一极芯体和第二磁极芯体构成的磁极铁芯，每个磁极芯具有多个爪形磁极，它们与 另外，设置在每个爪状磁极的两侧的磁铁，用于抑制相邻的爪状磁极之间的磁通量的泄漏，以及用于保持磁体的增强件，使得磁体倾斜，使得 磁体之间的间隔在外侧比在内侧变大。该转子结构可减小施加在磁体上的离心力。
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