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    • 10. 发明授权
    • Sensor for detecting a physical property between two movable bodies having high tribological strain
    • 用于检测具有高摩擦学应变的两个移动体之间的物理性质的传感器
    • US07152484B2
    • 2006-12-26
    • US10415894
    • 2002-09-06
    • Klaus MeyerJulius NemzovUlrich Mueller
    • Klaus MeyerJulius NemzovUlrich Mueller
    • G01B11/14G01N11/00
    • G01L5/0085F16C17/24F16C19/52G01L5/0014
    • A sensor element (5) detects a physical measurement variable such as a pressure, a temperature, a capacitance, or a gap width between two bodies (10, 20) that move in relation to each other during operation and experience high tribological stress. In certain areas between the surfaces of the bodies (10, 20) that move in relation to each other, in a surface region of at least one of the bodies (10), a sensitive layer (13, 30), in particular a sensor segment (13), is provided, which is separated from the body (10) by an insulation layer (12). The insulation layer (12) has at least two component layers (31, 32), wherein a first component layer (31) is a layer (31) with at least a low electrical conductivity in comparison to the sensitive layer (13) and wherein a second component layer (32) is a layer with a higher tribological stress capacity in comparison to the first component layer (31) with the comparatively low electrical conductivity and/or the insulation layer (12) is a layer that is at least essentially comprised of carbon, or contains carbon, oxygen, and silicon. The sensor element (5) proposed is primarily suited for detecting measurement variables in the contact region between lubricated components under high tribological stress.
    • 传感器元件(5)检测在操作期间相对于彼此移动的两个物体(10,20)之间的物理测量变量,例如压力,温度,电容或间隙宽度,并且经历高的摩擦学应力。 在相对于彼此移动的主体(10,20)的表面之间的某些区域中,在至少一个主体(10)的表面区域中具有敏感层(13,30),特别是传感器 (13),其通过绝缘层(12)与主体(10)分离。 绝缘层(12)具有至少两个组分层(31,32),其中第一组分层(31)是与敏感层(13)相比具有至少低导电性的层(31),并且其中 与第一组分层(31)相比,第二组分层(32)是具有较高摩擦学应力的层,具有相对低的导电性和/或绝缘层(12)是至少基本上包含的层 的碳,或含有碳,氧和硅。 提出的传感器元件(5)主要适用于在高摩擦学应力下检测润滑部件之间的接触区域中的测量变量。