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    • 7. 发明申请
    • Dental machining device and method for monitoring sealing elements in dental machining devices
    • 牙科加工装置及牙科加工装置密封元件监测方法
    • US20080233536A1
    • 2008-09-25
    • US12010792
    • 2008-01-30
    • Thomas Hasenzahl
    • Thomas Hasenzahl
    • A61C1/00
    • A61C13/12F16J15/3232F16J15/3296F16J15/406Y10T29/49771
    • The invention relates to dental machining device (1) having at least one shaft (2) which projects into a machining chamber (4) and is displaceable in both axial and radial directions, and having a sealing element (7) for sealing the shaft (2), wherein the sealing element (7) exhibits at least two axially spaced sealing lips (8, 9) bearing against the shaft (2) in its peripheral direction and enclosing an annular chamber (10) with the shaft (2), at least one fluid conduit (11) opening into the annular chamber (10) to supply a fluid (16) thereto, and means (14) for detecting a state variable of the fluid.The invention further relates to a method for monitoring such sealing elements, by means of which a state variable of the fluid (16) is detected and held ready for transmission to a control unit (14″).
    • 本发明涉及一种牙科加工装置(1),其具有至少一个突出到加工腔(4)中的轴(2)并且可在轴向和径向方向上移动的轴(2),并且具有用于密封轴的密封元件(7) 其中密封元件(7)在其周向方向上具有至少两个轴向隔开的密封唇(8,9),该密封唇(8,9)以轴(2)为轴承,并且与轴(2)包围环形室(10) 至少一个通向所述环形室(10)中以便向其供应流体(16)的流体导管(11),以及用于检测所述流体的状态变量的装置(14)。 本发明还涉及一种用于监测这种密封元件的方法,通过该密封元件检测并保持流体(16)的状态变量准备好传输到控制单元(14“)。