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    • 91. 发明授权
    • Rotor apparatus and methods of improving magnetization in electric machines
    • 改进电机磁化的转子装置及方法
    • US09024501B2
    • 2015-05-05
    • US13647490
    • 2012-10-09
    • Siemens Industry, Inc.
    • Nicholas G. LangMichael A. Graman
    • H02K17/00H02K1/28H02K7/00H02K17/20H02K1/32
    • H02K1/28H02K1/32H02K7/003H02K17/20Y10T29/49012
    • Induction motors may have a rotor that includes a shaft and a plurality of rotor laminations. The plurality of rotor laminations may have a central bore sized to receive the shaft, and the shaft may have a laminated portion that extends throughout the central bore. In other embodiments, the plurality of rotor laminations may have a very small or no central bore, and the shaft may include first and second end pieces respectively attached on opposite sides of the plurality of rotor laminations. In some embodiments, the first and second end shaft pieces may be attached to the rotor laminations with a through bolt that passes through the rotor laminations via a central bore sized no larger than needed to receive the through bolt, allowing each of the rotor laminations to have a larger laminated surface area. Methods of assembling a rotor are also provided, as are other aspects.
    • 感应电动机可以具有包括轴和多个转子叠片的转子。 多个转子叠片可以具有尺寸适于容纳轴的中心孔,并且轴可以具有延伸穿过中心孔的层压部分。 在其他实施例中,多个转子叠片可以具有非常小的或不具有中心孔,并且该轴可以包括分别附接在多个转子叠片的相对侧上的第一和第二端片。 在一些实施例中,第一端轴件和第二端轴件可以通过穿过转子叠片的贯穿螺栓连接到转子叠片上,中心孔径不大于接收贯穿螺栓所需的中心孔,允许每个转子叠片 具有较大的层压表面积。 还提供了组装转子的方法,以及其它方面。
    • 93. 发明授权
    • Induction motors including vent spacers, rotor core assemblies including vent spacers, and methods of operating same
    • 包括排气间隔件的感应电动机,包括排气间隔件的转子芯组件及其操作方法
    • US09013075B2
    • 2015-04-21
    • US13613507
    • 2012-09-13
    • Michael A. Graman
    • Michael A. Graman
    • H02K1/20H02K1/32
    • H02K1/32
    • Vent spacers and induction motor rotor core assemblies for induction motors are disclosed. The induction motor rotor assembly includes at least two rotor packages, each having axial sidewalls, a radial periphery, and axial vents, and a vent spacer positioned between opposing axial sidewalls of the at least two rotor packages. The vent spacer has a hub and a plurality of radially-extending fins coupled to the hub, the fins extending approximately to a radial periphery and extending axially between the opposed axial sidewalls to form a plurality of radial cooling channels extending between the sidewalls. Induction motors and methods of operating the induction motors are disclosed, as are other aspects.
    • 公开了用于感应电动机的排气间隔件和感应电动机转子芯组件。 感应电动机转子组件包括至少两个转子组件,每个转子组件具有轴向侧壁,径向周向和轴向通风口,以及位于至少两个转子组件的相对的轴向侧壁之间的排气间隔件。 通气间隔件具有毂和耦合到毂的多个径向延伸的翅片,翅片大致延伸到径向周向并且在相对的轴向侧壁之间轴向延伸,以形成在侧壁之间延伸的多个径向冷却通道。 与其他方面一样,公开了感应电动机和操作感应电动机的方法。