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    • 8. 发明申请
    • BRAKE FOR ELECTRIC MOTOR
    • 制动电动机
    • WO2012158172A1
    • 2012-11-22
    • PCT/US2011/037189
    • 2011-05-19
    • OTIS ELEVATOR COMPANYPIECH, ZbigniewROGERS, Kyle, W.MARVIN, Daryl, J.
    • PIECH, ZbigniewROGERS, Kyle, W.MARVIN, Daryl, J.
    • B66B11/08B66B1/26B66B5/02
    • F16D63/00H02K7/106H02K49/10H02K2213/09
    • A brake (44, 144, 244) is provided. The brake (44, 144, 244) may include a rotor (46, 146, 246) having a plurality of magnets (52, 152, 252) and a plurality of ferromagnetic poles (54, 154, 254) radially disposed thereabout, and a stator (48, 148, 248, 348, 448) having a plurality of shunts (58, 158, 258, 358, 458) and a plurality of teeth (60, 160, 260, 360, 460) radially disposed thereabout. At least one of the plurality of shunts (58, 158, 258, 358, 458) and the plurality of teeth (60, 160, 260, 360, 460) may be configured to selectively move between an engagement state and a free engagement state. The teeth (60, 160, 260, 360, 460) may be configured to generate magnetic flux with the ferromagnetic poles (54, 154, 254) so as to generate a braking torque during the engagement state. The shunts (58, 158, 258, 358, 458) may be configured to redirect the magnetic flux therethrough and reduce the braking torque between the teeth (60, 160, 260, 360, 460) and the ferromagnetic poles (54, 154, 254) during the free engagement state.
    • 提供制动器(44,144,244)。 制动器(44,144,244)可以包括具有多个磁体(52,152,252)和径向设置在其周围的多个铁磁极(54,154,254)的转子(46,146,246),以及 具有多个分流器(58,158,258,358,458)和径向设置在其周围的多个齿(60,160,260,360,460)的定子(48,148,348,348,448)。 多个分流器(58,158,258,358,458)和多个齿(60,160,260,360,460)中的至少一个可构造成选择性地在接合状态和自由接合状态之间移动 。 齿(60,160,260,360,460)可以被配置为产生具有铁磁极(54,154,254)的磁通量,以便在接合状态期间产生制动转矩。 分流器(58,158,258,358,458)可以被配置为使磁通量通过其重定向,并且减小齿(60,160,260,360,460)和铁磁极(54,154,458,458)之间的制动转矩, 254)。