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    MOTOR WITH SPEED REDUCTION MECHANISM
    1.
    发明申请
    MOTOR WITH SPEED REDUCTION MECHANISM 有权
    具有减速机构的电动机

    公开(公告)号：US20150180314A1

    公开(公告)日：2015-06-25

    申请号：US14638502

    申请日：2015-03-04

    Applicant: Mitsuba Corporation

    Inventor： Hiroto Tanaka ,  Takeshi Kanai ,  Masaaki Kimura ,  Koji Tsuchiya

    IPC: H02K9/28 ,  H02K13/00 ,  H02K11/00 ,  H02K7/116

    CPC classification number: H02K9/28 ,  H02K5/148 ,  H02K5/18 ,  H02K7/1166 ,  H02K11/33 ,  H02K13/006

    Abstract: In a brush holder accommodating part 26d of a gear housing 26, paired flat surface parts 26c and paired curved parts 26b are alternately disposed so as to be formed into an elliptical shape, one of the paired flat surface parts is formed with first heat sinks 26i, and two brushes 20 and 20 mounted on a brush holder unit 19 accommodated in the brush holder accommodating part 26d are disposed near the first heat sinks 26i.

    Abstract translation: 在齿轮壳体26的刷架容纳部26d中，成对的平面部26c和成对的弯曲部26b交替地配置成形成为椭圆形状，一对平面部中的一个形成有第一散热片26i 并且安装在容纳在电刷架容纳部26d中的电刷架单元19上的两个电刷20和20设置在第一散热器26i附近。

    Wiper apparatus
    5.
    发明授权
    Wiper apparatus 有权

    公开(公告)号：US10071710B2

    公开(公告)日：2018-09-11

    申请号：US15107617

    申请日：2014-12-25

    Applicant: Mitsuba Corporation

    Inventor： Masafumi Takimoto ,  Shin Akimoto ,  Masaaki Kimura ,  Takeshi Kanai ,  Tomoya Nishikawa ,  Yukiyoshi Iso

    IPC: B60S1/16 ,  H02K7/00 ,  B60S1/34 ,  H02K7/116 ,  H02K5/04

    CPC classification number: B60S1/163 ,  B60S1/166 ,  B60S1/3493 ,  H02K5/04 ,  H02K7/003 ,  H02K7/116

    Abstract: The swing member (63) to be subjected to swinging drive is integrally provided to the output shaft (56) outside the speed reducer case (52), the speed reducer case (52) is provided with a pair of swing regulating portions (61, 62) which prevents the swing member (63) from being moved beyond the wiping-allowable limit angle (b°) by contacting the swing member (63). As a result, the swing member (63) and the swing regulating portions (61, 62) can collectively form the regulating member (60). As a result, essential components (such as fixing plate) can be omitted from the conventional wiper apparatus. Therefore, the wiper apparatus can be improved in assembly workability, size and weight by reducing the number of components thereof, and provided with a regulating member (60) which prevents the wiper member being moved beyond the wiping-allowable limit angle (b°).

    BRUSHLESS WIPER MOTOR
    7.
    发明申请
    BRUSHLESS WIPER MOTOR 审中-公开
    无刷刮水器电机

    公开(公告)号：US20160056686A1

    公开(公告)日：2016-02-25

    申请号：US14780184

    申请日：2014-03-26

    Applicant: MITSUBA CORPORATION

    Inventor： Takeshi Kanai ,  Hiroto Tanaka ,  Tomohiko Annaka ,  Naoki Kojima ,  Hirokazu Shoda

    IPC: H02K7/116 ,  H02K5/16 ,  H02K9/22 ,  H02K5/22 ,  H02K5/18 ,  H02K5/02 ,  H02K11/00

    CPC classification number: H02K7/116 ,  B60S1/166 ,  H02K5/02 ,  H02K5/16 ,  H02K5/18 ,  H02K5/22 ,  H02K7/1166 ,  H02K9/22 ,  H02K11/0073 ,  H02K11/33 ,  H02K2213/03

    Abstract: A motor case (31) in which a stationary portion (35) is fixed, and a gear case (41) in which a gear mechanism (SD) is accommodated are made of aluminium, most heat generated from the stationary portion (35) at the time of actuation of a brushless wiper motor (20) can be directly dissipated outside from the motor case (31). That is, compared with conventional technique, heat transmitted to the motor case (31) can be efficiently dissipated outside, and the motor case (31) does not reach high temperature. Therefore, as a matter of course, reduction in size and weight can be achieved, suppression of electromagnetic noise can be achieved, and heat-resistance strength can be enhanced. Expensive components capable of resisting high temperatures are not required, and reduction in manufacturing cost can be achieved.

    Abstract translation: 其中固定有固定部分（35）的马达壳体（31）和容纳有齿轮机构（SD）的齿轮箱（41）由铝制成，从固定部分（35）在 无刷电动机（20）的致动时间可以直接从电动机壳体（31）散发到外部。 也就是说，与传统技术相比，传递到马达壳体（31）的热量可以有效地散发到外部，并且马达壳体（31）不达到高温。 因此，当然可以实现小型化和轻量化，可以抑制电磁噪声，提高耐热强度。 不需要能够抵抗高温的昂贵的组件，并且可以实现制造成本的降低。

    Motor having stator comprising fastening portion for suppressing tilt of the motor
    8.
    发明授权
    Motor having stator comprising fastening portion for suppressing tilt of the motor 有权

    公开(公告)号：US12119710B2

    公开(公告)日：2024-10-15

    申请号：US17790497

    申请日：2021-09-01

    Applicant: MITSUBA Corporation

    Inventor： Ryo Ohori ,  Takeshi Kanai

    IPC: H02K1/18 ,  H02K7/116 ,  H02K21/16

    CPC classification number: H02K1/185 ,  H02K7/116 ,  H02K21/16

    Abstract: The motor comprises: a stator around which coils are wound and which forms a rotating magnetic field rotating a rotor; and a first motor case housing the stator. The stator has: a core body portion forming an annular magnetic path; and a fastening portion projecting outside in the radial direction from the outer circumferential surface of the core body portion. The fastening portion has an attachment hole which is formed in a penetrating manner along the rotating axis line direction of the rotor and into which a fastening screw for fixing the stator to the first motor case is inserted. The first motor case has: first to third core receiving portions receiving an end portion of the core body portion in the rotating axis line direction; and first and second fastener receiving portions receiving an end portion of the fastening portion in the rotating axis line direction.

    Advance angle correction method, advance angle setting device, motor device, and in-vehicle device
    9.
    发明授权
    Advance angle correction method, advance angle setting device, motor device, and in-vehicle device 有权

    公开(公告)号：US12081150B2

    公开(公告)日：2024-09-03

    申请号：US17976885

    申请日：2022-10-31

    Applicant: MITSUBA Corporation

    Inventor： Ryo Ohori ,  Takeshi Kanai

    IPC: H02P23/18 ,  B60S1/08 ,  H02P101/45

    CPC classification number: H02P23/18 ,  B60S1/08 ,  H02P2101/45 ,  H02P2203/03

    Abstract: An advance angle correction method of a motor device includes: acquiring first advance angle correction information indicating a correspondence relationship between an advance angle correction amount and a rotation speed difference of a rotor of the motor calculated in advance based on a rotation speed change rate; measuring the rotation speed difference of the rotor; calculating a first advance angle correction amount for each rotation direction of the rotor as a first forward rotation advance angle correction amount and a first reverse rotation advance angle correction amount so that a rotation speed difference of an output shaft becomes smaller based on the first advance angle correction information and the rotation speed difference of the rotor; and storing the calculated first forward rotation advance angle correction amount and the first reverse rotation advance angle correction amount as advance angle correction information for each motor device.

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