公开(公告)号：US20180214246A1

公开(公告)日：2018-08-02

申请号：US15532526

申请日：2015-12-17

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Metin ERTUGRUL

IPC: A61C1/18

CPC classification number: A61C1/186 ,  A61C1/185 ,  B25B23/141

Abstract: The invention relates to a dental instrument, comprising a gearing for driving a tool, wherein at least one torque limiting device is provided, which can be brought into contact with the gearing, as a result of which the maximum acting torque in the gearing can be limited.

公开(公告)号：US20160000521A1

公开(公告)日：2016-01-07

申请号：US14767198

申请日：2014-11-02

Applicant: Sirona Dental Systems GmbH

Inventor： Metin ERTUGRUL ,  Siegfried GOISSER

IPC: A61C1/05 ,  A61C1/18

CPC classification number: A61C1/052 ,  A61C1/0038 ,  A61C1/057 ,  A61C1/185 ,  A61C1/186

Abstract: A dental preparation instrument having a pneumatic turbine (1) with a rotor (5) for driving a tool (1.1), wherein the rotor (5), which is mounted in a turbine chamber (18) for rotation about an axis of rotation (4), is impinged by compressed air from a compressed-air nozzle (22). A first radial partition (23) has an opening (17) via which an annular space (8) is in flow connection with an outlet duct (19).

Abstract translation: 一种具有带有用于驱动工具（1.1）的转子（5）的气动涡轮机（1）的牙科准备器具，其中安装在涡轮室（18）中以绕旋转轴线旋转的转子（5） 压缩空气喷嘴（22）被压缩空气冲击。 第一径向隔板（23）具有开口（17），环形空间（8）经由该开口与出口管道（19）流动连接。