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    • 9. 发明申请
    • A HANDHELD ROTARY TOOL DRIVEN BY WATER TURBINE
    • 由水轮机驱动的手持式旋转工具
    • WO2006011029A1
    • 2006-02-02
    • PCT/IB2005/002095
    • 2005-07-20
    • ERASMUS, Dirk, Leon
    • ERASMUS, Dirk, LeonERASMUS, Leon
    • F03B13/04
    • F03B13/04A46B13/06
    • The invention provides a handheld rotary accessory (10) which includes an accessory body (12), and a water driven turbine (16) mounted on the accessory body (12); the water driven turbine (16) having a turbine wheel (20) mounted for rotation about a turbine wheel rotational axis (22), and having a plurality of circumferentially spaced turbine wheel blades (46) each of which has a radially inner edge and a radially outer edge. The accessory (10) also includes a turbine feed water arrangement which includes a feed water inlet (18) which is connectable to a pressurised water supply and a nozzle (50) connected in flow communication with the feed water inlet (18), the nozzle (50) being positioned radially inwardly of the radially inner edges of the blades (46). The invention extends to a method of rotatably driving a utility accessory which forms part of a handheld rotary accessory.
    • 本发明提供了一种包括附件主体(12)和安装在附件(12)上的水驱涡轮机16)的手持旋转附件(10)。 水驱动涡轮机(16)具有安装用于围绕涡轮机叶轮旋转轴线(22)旋转的涡轮机叶轮(20),并且具有多个周向间隔开的涡轮叶轮叶片(46),每个叶轮具有径向内边缘和 径向外缘。 附件(10)还包括涡轮机给水装置,其包括可连接到加压水源的进水入口(18)和与进给水入口(18)流动连通的喷嘴(50),喷嘴 (50)位于所述叶片(46)的径向内边缘的径向内侧。 本发明延伸到一种可转动地驱动构成手持式旋转附件的一部分的公用事业附件的方法。