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    • 2. 发明申请
    • DC motor with externally mounted carbon brush
    • 直流电机带外置碳刷
    • US20060028091A1
    • 2006-02-09
    • US11248206
    • 2005-10-13
    • Xiaohua Xu
    • Xiaohua Xu
    • H01R39/38H01R39/18
    • H02K5/148
    • This invention discloses a DC motor with externally mounted carbon brushes, comprising a front end cover, a housing, magnet, a rotor, a commutator and a back end cover, characterized in that the outer wall of the back end cover is provided with two mounting holes for brush brackets which are mounted with annular brush brackets having identical structures, a radial sliding tube used to mount the carbon brush is located in said brackets, said carbon brush in the sliding tube for carbon brush contacts the commutator by a spring biasing against a brush cap, the outward end thereof being connected to a copper sheet through a brush shunt, said copper sheet is held against the back end of the sliding tube, a lead wire for a power source is lead out from an outlet of another copper sheet at an outer wall of the sliding tube. The electrical connection of the carbon brush is lead out from the sliding tube through the brush shunt and the copper sheet, therefore the electrical connection is reliable. The present invention is simply constructed and easily mounted, the volume thereof is small, the operation thereof is reliable, it is easy to maintain and replace the carbon brushes and it extends significantly the life of the motor.
    • 本发明公开了一种具有外部安装的碳刷的直流电动机,包括前端盖,壳体,磁体,转子,换向器和后端盖,其特征在于后端盖的外壁设置有两个安装 用于安装有碳刷的环形刷支架的刷支架的孔用于安装碳刷位于所述支架中,用于碳刷的滑动管中的所述碳刷通过弹簧偏压抵靠换向器 刷帽,其外端通过刷分路连接到铜片,所述铜片保持抵靠滑动管的后端,用于电源的引线从另一铜片的出口引出, 滑动管的外壁。 碳刷的电气连接通过电刷分流器和铜片从滑动导管引出,因此电气连接是可靠的。 本发明构造简单,安装方便,体积小,操作可靠,易于维护和更换碳刷,大大延长了电机的使用寿命。
    • 5. 发明申请
    • DATA FLUSH METHODS
    • 数据冲洗方法
    • US20090037636A1
    • 2009-02-05
    • US12181616
    • 2008-07-29
    • Jin FANXiaohua Xu
    • Jin FANXiaohua Xu
    • G06F13/40
    • G06F13/4059
    • A bridge capable of preventing data inconsistency without degrading system performance is provided, in which a buffering unit comprises a plurality of buffers, a first master device outputs a flush request to flush the buffering unit, and a flush request control circuit records the flushed buffer(s) in the buffering unit when receiving the flush request and outputs a flush acknowledge signal to indicate to the first master device that the buffering unit has been flushed when all the plurality of buffers have been flushed once after the flush request has been received.
    • 提供了能够防止数据不一致而不降低系统性能的桥接器,其中缓冲单元包括多个缓冲器,第一主设备输出冲洗缓冲单元的刷新请求,并且刷新请求控制电路将刷新的缓冲器 s),并且当已经接收到所述刷新请求之后,当所有所述多个缓冲器被刷新一次时,输出刷新确认信号以向所述第一主设备指示所述缓冲单元已刷新。