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    • 4. 发明公开
    • MOTOR DEVICE
    • 电机装置
    • EP3021462A1
    • 2016-05-18
    • EP13889080.1
    • 2013-07-12
    • Mitsuba Corporation
    • YASUMOTO, KenjiTOKIZAKI, TeppeiOTA, Shigeki
    • H02K5/22
    • H02K5/04H01R39/38H02K5/143H02K5/148H02K7/081H02K13/006
    • A motor case 21 is positioned to a gear case 31 in the diametrical direction by diametrically-positioning projection portions 72c of a brush holder 70 by causing the motor case 21 and the gear case 31 to face each other, and an axially-positioning projection portions 72e of the brush holder 70 are pressed from the axial direction of an armature shaft 24 by a pressing flange portion 21i, so that the brush holder 70 is positioned to the gear case 31 in the axial direction. Therefore, the size and weight of the rear wiper motor 10 can be reduced by avoiding enlargement of the coupling portion of the motor case 21 and the gear case 31, and since it is unnecessary to interpose the brush holder 70 in the coupling portion between the motor case 21 and the gear case 31, a sufficient seal performance can be obtained.
    • 通过使马达壳体21和齿轮箱31彼此面对,通过电刷架70的突起部分72c径向定位马达壳体21沿直径方向定位到齿轮箱31,并且轴向定位突起部分 72e从电枢轴24的轴向被推压凸缘部21i按压,使得电刷架70在轴向上位于齿轮箱31上。 因此,通过避免电动机外壳21和齿轮箱31的连结部分变大,能够减小后雨刮器电动机10的尺寸和重量,并且不需要将电刷架70夹在 马达壳体21和齿轮箱31,可以获得足够的密封性能。
    • 5. 发明公开
    • WIPER MOTOR
    • 雨刮电机
    • EP2597332A1
    • 2013-05-29
    • EP11821625.8
    • 2011-08-24
    • Mitsuba Corporation
    • TOKIZAKI, Teppei
    • F16H1/16B60S1/08F16H21/40F16H57/02H02K7/116
    • H02K7/1166B60S1/166B60S1/26B60S1/583F16H21/40F16H57/039H02K7/06H02K7/081
    • A wiper motor of the present invention comprises: a reduction mechanism (26) for reducing the speed of rotation of the motor shaft (17) and transmitting the rotation to a worm wheel (35) and a motion conversion mechanism (29) for converting the rotary motion of the worm wheel (35) into a rocking motion and outputting the rocking motion to an output shaft (28). The reduction mechanism (26) is contained in the reduction mechanism containing chamber (27) of a gear frame (21), and the motion conversion mechanism (29) is contained in the motion conversion mechanism containing chamber (30) of the gear frame (21). A support surface (37) set up flush with the other end surface (35b) of the worm wheel (35) in the axial direction rotatably contained in the reduction mechanism containing chamber (27) is formed on the inner surface of the bottom wall (30a) of the motion conversion mechanism containing chamber (30). The support surface (37) is formed over the entire area facing a pinion gear (40) and the motion conversion member (41) on the bottom wall (30a) of the motion conversion mechanism containing chamber (30).
    • 本发明的雨刮电机包括:减速机构(26),用于降低电机轴(17)的旋转速度并将该旋转传递给蜗轮(35);以及运动转换机构(29),用于将该电机轴 将蜗轮(35)的旋转运动转换成摇摆运动并将摇摆运动输出到输出轴(28)。 减速机构26收容在齿轮架21的减速机构收容室27内,运动转换机构29收容在齿轮架的运动转换机构收容室30内, 21)。 在该减速机构收容室(27)中可旋转地容纳的轴向上与蜗轮(35)的另一端面(35b)齐平地设置的支承面(37)形成在底壁的内表面( 30a)的运动转换机构容纳室(30)。 支承面37形成在运动转换机构收容室30的底壁30a上的与小齿轮40和运动转换部件41相对的整个区域上。
    • 9. 发明公开
    • ELECTRIC MOTOR
    • 电动马达
    • EP3118979A1
    • 2017-01-18
    • EP15761469.4
    • 2015-03-05
    • Mitsuba Corporation
    • TAMURA, NatsumiTANAKA, HirotoTOKIZAKI, TeppeiTAMURA, Satoshi
    • H02K23/38H02K3/18H02K3/28H02K23/66
    • H02K23/38H02K1/17H02K1/24H02K1/26H02K3/12H02K3/18H02K3/28H02K7/08H02K7/10H02K7/1166H02K13/006H02K23/26H02K2213/03
    • In a 4-pole, 6-slot, 18-segment electric motor, one forward winding coil (91) and two reverse winding coils (92, 93) are wound on each tooth (12). When the forward winding coils are formed of coils corresponding to a U phase, a V phase, and a W phase and the reverse winding coils are formed of coils corresponding to a "-U" phase, a "-V" phase, and a "-W" phase, the coils, which correspond to a U phase, a "-W" phase, a "-W" phase, a V phase, a "-U" phase, a "-U" phase, a W phase, a "-V" phase, and a "-V" phase, are electrically connected in this order between the adjacent segments. When the number of turns of the coils (91) corresponding to a U phase, a V phase, and a W phase is denoted by T1, the number of turns of the coils (92), which correspond to a "-U" phase, a "-V" phase, and a "-W" phase and first come into sliding contact with a brush, is denoted by T2, and the number of turns of the coils (93), which correspond to a "-U" phase, a "-V" phase, and a "-W" phase and later come into sliding contact with the brush, is denoted by T3, "T2>T1>T3" is satisfied.
    • 在一个4极6槽18段电动机中,每个齿(12)上缠绕一个正向绕组线圈(91)和两个反向绕组线圈(92,93)。 当正绕线圈由对应于U相,V相和W相的线圈形成并且反绕线圈由对应于“-U”相,“-V”相和线对的线圈形成时 “-W”相,线圈对应于U相,“-W”相,“-W”相,V相,“-U”相,“-U”相,W 相,“-V”相和“-V”相在这些相邻段之间依次电连接。 当用T表示与U相,V相和W相对应的线圈(91)的匝数时,与“-U”相对应的线圈(92)的匝数 ,“-V”相和“-W”相并且首先与电刷滑动接触,由T2表示,并且线圈(93)的匝数对应于“-U” 相位,“-V”相和“-W”相,并且随后与刷滑动接触,由T3表示,则满足“T2> T1> T3”。