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    • 8. 发明申请
    • Motor-driven pump for pool or spa
    • 用于游泳池或水疗中心的电动泵
    • US20060177325A1
    • 2006-08-10
    • US11333051
    • 2006-01-17
    • David PetersonHassan HamzaKenneth PetersonJeffrey Wichmann
    • David PetersonHassan HamzaKenneth PetersonJeffrey Wichmann
    • F04B17/00
    • F04D29/106F04D29/126
    • An improved motor-driven pump is provided for delivering a flow of water in a swimming pool or spa environment or the like. The improved pump includes a motor mounted within a motor housing having a seal plate mounted at one end thereof. The seal plate carries a shaft bearing for rotatably supporting a drive shaft having an outboard end connected to an impeller disposed within a pump chamber defined cooperatively by the seal plate and a volute housing mounted thereon. A primary seal assembly includes an axially spring-loaded dynamic seal ring carried on the drive shaft for rotation therewith and for running engagement with a stationary bushing carried by the seal plate. A secondary seal assembly is positioned axially between the primary seal assembly and motor bearing, and includes at least one slinger disk for radially outwardly slinging any water leaking past the primary seal assembly through a vent chamber.
    • 提供改进的电动泵,用于在游泳池或水疗环境等中输送水流。 改进的泵包括安装在马达壳体内的马达,该马达壳体的一端安装有密封板。 密封板带有轴承,用于可旋转地支撑驱动轴,该驱动轴的外侧端连接到设置在泵室内的叶轮上,叶轮由密封板和安装在其上的蜗壳构成。 主密封组件包括承载在驱动轴上的轴向弹簧加载的动态密封环,用于与其一起旋转,并用于与由密封板承载的静止衬套行进接合。 二次密封组件轴向地定位在主密封组件和电动机轴承之间,并且包括至少一个抛油盘,用于径向向外吊起通过排气室通过主密封组件泄漏的任何水。