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    • 54. 发明申请
    • DC MOTOR WITH DUAL COMMUTATOR BAR SET AND SELECTABLE SERIES AND PARALLEL CONNECTED COILS
    • 直流电机,带有双通道棒和可选择的系列和并联的线圈
    • WO2007098220A2
    • 2007-08-30
    • PCT/US2007/004541
    • 2007-02-20
    • BLACK & DECKER INC.WEST, Joshua, D.DESHPANDE, Uday, S.
    • WEST, Joshua, D.DESHPANDE, Uday, S.
    • H02K23/26
    • H02K23/36H02K7/145H02K23/04
    • A permanent magnet, DC motor especially well adapted for use in power tools, and particularly hand-held, battery powered power tools. The motor includes two sets of armature coils, with each set of coils being coupled to separate sets of commutator bars on an armature. Separate pairs of brushes are used to interface with the two sets of commutator bars. A switching subsystem is controlled either manually by a user engageable switch or automatically by a controller, to connect the two sets of coils in either series or parallel configurations. The series configuration provides a greater efficiency, but with a lower power output than the parallel connection. The parallel connection provides a greater maximum power output from the motor. Thus, the operating characteristics of the tool can be tailored to better meet the needs of a work task, and in a manner than makes most efficient use of available battery power.
    • 特别适用于电动工具的永磁直流电动机,特别是手持电池供电的电动工具。 电动机包括两组电枢线圈,每组线圈耦合到电枢上的单独的换向器组组。 单独的电刷对用于与两组换向器条接口。 交换子系统由用户可接入开关手动控制或由控制器自动控制,以串联或并联配置连接两组线圈。 串联配置提供了更高的效率,但是具有比并联连接更低的功率输出。 并联连接提供了更大的电机最大功率输出。 因此,可以定制工具的操作特性以更好地满足工作任务的需要,并且以使得最有效地使用可用电池电力的方式。
    • 58. 发明申请
    • SYSTEM AND METHOD FOR MODULAR DATA CENTER
    • 用于模块化数据中心的系统和方法
    • WO2017127130A1
    • 2017-07-27
    • PCT/US2016/036683
    • 2016-06-09
    • LIEBERT CORPORATION
    • MATORIC, IvanUZELAC, GoranRANCIC, DenisCRNOGORAC, Mislav
    • H05K7/14
    • H05K7/1497
    • A modular data center system is disclosed for constructing a modular data center building. A plurality of structural support columns are used to support a plurality of unit structures above a floor surface at a desired height relative to the floor surface. A pair of elongated support rails are also included which are coupled perpendicularly to the plurality of structural support columns, at approximately the desired height, to form two parallel, horizontally spaced apart tracks. Each of the unit structures includes a plurality of carriage assemblies, with each of the carriage assemblies including a wheel. The wheels allow the unit structures to be rolled horizontally into a desired position on the pair of elongated support rails when constructing the modular data center building to expedite its assembly.
    • 公开了用于构建模块化数据中心建筑物的模块化数据中心系统。 多个结构支撑柱被用于支撑相对于地板表面位于期望高度的地板表面上方的多个单元结构。 还包括一对细长的支撑轨道,其在大致所需的高度处垂直于多个结构支撑柱联接,以形成两个平行的,水平间隔开的轨道。 每个单元结构包括多个托架组件,每个托架组件包括一个轮子。 在构建模块化数据中心建筑以加快装配时,轮子可以使单元结构水平地滚动到一对细长支撑导轨上的期望位置。
    • 59. 发明申请
    • SYSTEM AND METHOD FOR POWER SHARING IN A MULTIPLE UPS SYSTEM
    • 用于多UPS系统中的功率共享的系统和方法
    • WO2016183151A1
    • 2016-11-17
    • PCT/US2016/031782
    • 2016-05-11
    • LIEBERT CORPORATION
    • BUSH, Terry D.BLAIR, Charles F.NELSON, Gregg J.
    • H02J3/38H02J9/06
    • H02J9/06H02J3/38
    • The present disclosure relates to a load sharing system having a plurality of power supplies for powering a plurality of corresponding loads. Each one of the power supplies is associated with at least one of the loads. A power bus is also provided. A plurality of inductors is connected to the power bus. Each one of the inductors is further connected to at least one of the loads and to at least one of the power supplies, such that each adjacent pair of the inductors is connected in parallel relative to at least one of the loads. Each of the inductors has an inductance value sufficient so that if a fault develops on the power bus it serves to isolate the power supplies from the power bus. The inductance value further is such that if any one of the power supplies fails, the specific pair of inductors coupled in parallel to the load associated with the failed power supply allows the load to draw power over the power bus from other ones of the power supplies through the specific pair of inductors.
    • 本公开涉及具有用于为多个相应负载供电的多个电源的负载共享系统。 每个电源与至少一个负载相关联。 还提供电源总线。 多个电感器连接到电源总线。 电感器中的每一个进一步连接到至少一个负载和至少一个电源,使得每个相邻的电感器对相对于至少一个负载并联连接。 每个电感器具有足够的电感值,使得如果在电力总线上产生故障,则其用于将电源与电源总线隔离。 电感值进一步如此,如果任何一个电源故障,与故障电源相关联的负载并联耦合的特定对电感器允许负载从其他电源供应电力总线上的电力 通过特定的电感对。