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    • 2. 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)。
    • 4. 发明申请
    • ELEVATOR BRAKE CONTROL
    • 电梯制动控制
    • WO2013052051A1
    • 2013-04-11
    • PCT/US2011/055042
    • 2011-10-06
    • OTIS ELEVATOR COMPANYROGERS, Kyle, W.
    • ROGERS, Kyle, W.
    • B66B1/32B66B1/46
    • B66B5/0031B66B1/32B66B5/18B66B13/22
    • An exemplary elevator brake control device includes a relay switch that is associated with a safety chain configured to monitor at least one condition of a selected elevator system component. The relay switch is selectively closed to allow power supply to an electrically activated elevator brake component responsive to the monitored condition having a first status. The relay switch is selectively opened to prevent power supply to the brake component responsive to the monitored condition having a second, different status. A solid state switch is in series with the relay switch between the relay switch and the brake component. A driver selectively controls the solid state switch to selectively allow power to be supplied to the brake component only if the relay switch is closed and the monitored condition has the first status.
    • 示例性电梯制动控制装置包括与安全链相关联的继电器开关,该安全链被配置为监视所选择的电梯系统部件的至少一个状态。 继电器开关被选择性地关闭以允许响应于所监视的状态具有第一状态而向电激活的电梯制动组件供电。 继电器开关被选择性地打开以防止响应于具有第二不同状态的监视状态对制动部件的电力供应。 固态开关与继电器开关和制动部件之间的继电器开关串联。 驱动器选择性地控制固态开关,以便仅当继电器开关闭合并且监视状态具有第一状态时才选择性地允许向制动部件供电。