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31. 发明申请

US20100233005A1 INTERNAL GEAR PUMP FOR A BRAKE SYSTEM 有权
标题翻译：用于制动系统的内齿轮泵
公开(公告)号：US20100233005A1
公开(公告)日：2010-09-16
申请号：US12739609
申请日：2008-09-22
申请人： Rene Schepp , Norbert Alaze
发明人： Rene Schepp , Norbert Alaze
IPC分类号： F01C1/10
CPC分类号： F04C2/101 , F04C14/04 , F04C15/0019
摘要： The invention relates to an internal gear pump for a braking system, in the pump housing of which an inner toothed hollow wheel and a gearwheel engaging in the toothing of the hollow wheel are mounted to rotate about parallel axes. The toothing thereof defines a tapering roughly crescent-shaped pump chamber, in which a filling piece is arranged supported along the length thereof. The circumferential surfaces of the filling piece closely correspond to the head diameter of the inner toothing of the hollow wheel or the gearwheel toothing and contact in a sealing manner with several tooth crowns covered thereby. A radial supporting force acts over a longitudinal range of the filling piece for improved sealing of a circumferential surface of the filling piece against the tooth crowns supporting the circumferential surface. According to the invention, a loose fit is provided between the circumferential surfaces of the filling piece and the opposing tooth crowns of the hollow wheel and gearwheel and the play acting on the filling piece is partly eliminated by support forces acting in opposing radial directions which act on the filling piece at a distance from each other.
摘要翻译：本发明涉及一种用于制动系统的内齿轮泵，在泵壳体中，内齿中空轮和啮合在中空轮的齿部中的齿轮安装成围绕平行的轴线旋转。其齿部限定了锥形的大致月牙形的泵室，其中沿其长度支撑着填充件。填充件的圆周表面紧密地对应于中空轮或齿轮的内齿的头部直径以密封方式啮合和接触，其中覆盖有几个齿冠。径向支撑力作用在填充件的纵向范围上，用于改进填充件的圆周表面与支撑圆周表面的齿冠的密封。根据本发明，在填充件的圆周表面和中空轮和齿轮的相对的齿冠之间提供松配合，并且作用在填充件上的冲击部分地通过作用在相反的径向方向的支撑力而消除，在填充片上彼此间隔一定距离。

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