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    • 2. 发明授权
    • System and method for increasing airflow in electric machines
    • 增加电机气流的系统和方法
    • US08674565B2
    • 2014-03-18
    • US13018874
    • 2011-02-01
    • Nicholas G. Lang
    • Nicholas G. Lang
    • H02K9/06
    • H02K9/10H02K9/06H02K9/18
    • An air-cooled electric machine, such as an alternating current motor, having a housing containing a rotating shaft and a housing airflow cooling path has cooling vents on the housing periphery. An external cooling system having a duct enclosure is coupled to the housing exterior, and defines a duct airflow cooling path that is in communication with the housing airflow cooling vent and housing airflow cooling path. A duct fan within the duct enclosure external the housing is coupled to and driven by the shaft. The duct fan circulates air at above ambient pressure into the housing airflow cooling path.
    • 诸如交流电动机的风冷电机具有容纳旋转轴的壳体和壳体气流冷却路径,在壳体周边上具有冷却通风口。 具有管道外壳的外部冷却系统联接到壳体外部,并且限定与壳体气流冷却通风口和壳体气流冷却路径连通的管道气流冷却路径。 外壳外部的管道外壳中的管道风扇联接到轴并由其驱动。 管道风扇将空气在高于环境压力下循环到壳体气流冷却路径中。
    • 3. 发明申请
    • Electric Machine with Power Taps
    • 电动龙头电动机
    • US20120280581A1
    • 2012-11-08
    • US13099800
    • 2011-05-03
    • Nicholas G. LangWilliam R. Finley
    • Nicholas G. LangWilliam R. Finley
    • H02K3/28H02K9/04
    • H02K11/0094H02K3/28Y02E20/14
    • Machines and motors with multiple three-phase AC power connections. A motor includes first, second, and third windings arranged to drive a rotator shaft. A first end of each winding is connected to a respective power input of a three-phase alternating current (AC) power source and a second end of each winding is connected to a neutral. The motor includes at least one intermediate tap connected to each of the first, second, and third windings at substantially equal respective distances between the neutral and the respective power inputs. The intermediate taps together provide a three-phase AC power output at a voltage that is less than the voltage of the three-phase AC power source.
    • 具有多个三相交流电源连接的机器和电机。 电动机包括布置成驱动转子轴的第一,第二和第三绕组。 每个绕组的第一端连接到三相交流(AC)电源的相应电源输入端,并且每个绕组的第二端连接到空档。 马达包括至少一个连接到第一,第二和第三绕组中的每一个的中间抽头,在中性点和相应的功率输入之间基本相等的相应距离。 中间抽头一起提供的电压小于三相交流电源电压的三相交流电源输出。
    • 8. 发明申请
    • APPARATUS, SYSTEMS, AND METHODS FOR INCREASING AIRFLOW THROUGH INDUCTION MOTORS
    • 通过感应电机增加气流的装置,系统和方法
    • US20140070642A1
    • 2014-03-13
    • US13613567
    • 2012-09-13
    • Nicholas G. Lang
    • Nicholas G. Lang
    • H02K1/32G06F17/50
    • G06F17/5018H02K1/32H02K17/165Y02T10/82
    • Induction motors may have a rotor core assembly that includes a plurality of rotor laminations having an arrangement of vents therein. The arrangement of vents may provide increased airflow through the induction motor without adversely affecting the electromagnetic properties of the motor. The arrangement of vents includes first and second circular rows of vents, wherein each vent of the first row may be radially aligned with a respective vent of the second row, and each radially aligned pair of first and second row vents may be radially aligned with a respective conductor bar slot in the rotor lamination. The number of rotor bar slots may equal the number of first row vents and the number of second row vents. Systems and methods of facilitating ventilation in an induction motor are provided, as are other aspects.
    • 感应电动机可以具有转子芯组件,其包括多个转子叠片,其中具有排气孔。 通风口的布置可以通过感应电动机提供增加的气流,而不会不利地影响电动机的电磁特性。 通风口的布置包括第一和第二圆形排气通道,其中第一排的每个排气口可以与第二排的相应通气口径向对准,并且每个径向对齐的第一和第二排排气孔对可以与 转子叠片中的相应导体条槽。 转子条槽的数量可以等于第一排排气孔的数量和第二排排气孔的数量。 提供了一种促进感应电动机通风的系统和方法,以及其它方面。
    • 10. 发明申请
    • SYSTEM AND METHOD FOR INCREASING AIRFLOW IN ELECTRIC MACHINES
    • 用于增加电机中气流的系统和方法
    • US20120194014A1
    • 2012-08-02
    • US13018874
    • 2011-02-01
    • Nicholas G. Lang
    • Nicholas G. Lang
    • H02K9/06
    • H02K9/10H02K9/06H02K9/18
    • An air-cooled electric machine, such as an alternating current motor, having a housing containing a rotating shaft and a housing airflow cooling path has cooling vents on the housing periphery. An external cooling system having a duct enclosure is coupled to the housing exterior, and defines a duct airflow cooling path that is in communication with the housing airflow cooling vent and housing airflow cooling path. A duct fan within the duct enclosure external the housing is coupled to and driven by the shaft. The duct fan circulates air at above ambient pressure into the housing airflow cooling path.
    • 诸如交流电动机的风冷电机具有容纳旋转轴的壳体和壳体气流冷却路径,在壳体周边上具有冷却通风口。 具有管道外壳的外部冷却系统联接到壳体外部,并且限定与壳体气流冷却通风口和壳体气流冷却路径连通的管道气流冷却路径。 外壳外部的管道外壳中的管道风扇联接到轴并由其驱动。 管道风扇将空气在高于环境压力下循环到壳体气流冷却路径中。