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1. 发明申请

US20080038108A1 Axial Flow Turbine with Overspeed Preventing Device 有权
标题翻译：具超速预防装置的轴流涡轮机
公开(公告)号：US20080038108A1
公开(公告)日：2008-02-14
申请号：US11720065
申请日：2005-11-23
申请人： Karl Elsmark
发明人： Karl Elsmark
IPC分类号： F01D21/02 , F01D21/04
CPC分类号： F01D21/02 , F01D5/225 , F01D11/12 , F05B2240/33 , F05B2260/3011 , F05D2260/902
摘要： An axial flow turbine motor is provided which includes a rotor with a peripheral row of drive blades and a peripheral band-shaped wall element radially clamped against the tops of the drive blades, and a housing with at least one pressure medium inlet nozzle and an annular inner surface surrounding the rotor drive blades and the wall element, wherein the wall element is arranged to withstand centrifugal forces and uphold its clamping engagement with the drive blades at rotor speed levels up to a predetermined speed level, but to expand and loosen its clamping engagement with the drive blades at speed levels above the predetermined speed level, thereby moving into contact with the annular surface and interfering with the rotational movement of the rotor so as to prevent the rotor from reaching hazardous high speed levels.
摘要翻译：提供了一种轴流式涡轮马达，其包括具有外围行驱动叶片的转子和沿驱动叶片的顶部径向夹紧的周边带状壁元件，以及壳体，其具有至少一个压力介质入口喷嘴和环形围绕转子驱动叶片和壁元件的内表面，其中壁元件布置成承受离心力并且以转子速度水平维持其与驱动叶片的夹紧接合，直到预定的速度水平，但是为了扩大和松开其夹紧接合其中驱动叶片的速度水平高于预定速度水平，从而与环形表面接触并且妨碍转子的旋转运动，从而防止转子达到危险的高速水平。

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