发明授权
- 专利标题： Controllable dental turbine
- 专利标题（中）： 可控牙轮
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申请号： US985266申请日： 1992-12-03
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公开(公告)号： US5364227A公开(公告)日： 1994-11-15
- 发明人: Manfred Franetzki , Juergen Wohlgemuth
- 申请人： Manfred Franetzki , Juergen Wohlgemuth
- 申请人地址： DEX Munich
- 专利权人： Siemens Aktiengesellschaft
- 当前专利权人： Siemens Aktiengesellschaft
- 当前专利权人地址： DEX Munich
- 优先权： DEX4141673 19911217
- 主分类号： A61C1/02
- IPC分类号： A61C1/02 ; A61C1/05 ; F01D17/06
摘要：
A regulatable dental turbine includes an actuator arrangement which is provided for regulating the speed by varying the amount of an essentially constant volume stream of drive fluid striking a turbine wheel of the dental turbine. The change of the direction based on the actuator arrangement bypasses a portion of the volume hitting the blades of the dental turbine. The actuator arrangement operates in a speed-dependent fashion based on the flow deflected by the blades of the wheel on an impact surface.
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