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    • 1. 发明授权
    • Electrochemical gas sensor probe construction
    • 电化学气体传感器探头结构
    • US4556475A
    • 1985-12-03
    • US628454
    • 1984-07-06
    • Kurt BayhaHelmut Weyl
    • Kurt BayhaHelmut Weyl
    • G01N27/409G01N27/406G01N27/407G01N27/46
    • G01N27/4078G01N27/4062G01N27/4067G01N27/407
    • A gas measurement probe has a casing (11) equipped with a closure shell (17) on its end away from the gas to be measured. At the other end of the casing, within its longitudinal bore, a sensor element (24) is held fast and tight in the casing. A rod-shaped part carrying a heater element fits within the sensor element and extends out of it at its end away from the gas to be measured to an extremity near which contact areas are provided on its periphery. On these contact areas, resilient connection wires lie under mechanical bias. These wires, between the loops bearing against the contact surface and their ends are bent in Z or sinuous shape so as to secure them against pulling, twisting and shaking forces. These connection elements and also another conductor running in the probe cooperate with an indexing feature of the rod-shaped element, such as a suitable groove to secure the rod-shaped component against twisting. This construction is particularly suitable for probes utilizing a solid electrolyte tubular sensor element closed at its tip.
    • 气体测量探针具有在其远离被测量气体的端部上配备有封闭壳体(17)的壳体(11)。 在壳体的另一端,在其纵向孔内,传感器元件(24)被牢固地保持在壳体中。 承载加热器元件的棒状部件装配在传感器元件内并且在其远离被测量气体的端部延伸到其周边附近提供接触区域的末端。 在这些接触区域上,弹性连接线处于机械偏压下。 这些线圈在抵靠接触表面的环路和端部之间弯曲成Z形或弯曲形状,以便将它们固定在拉力,扭转和摇晃力的作用下。 这些连接元件以及在探针中运行的另一个导体与棒状元件的分度特征(例如合适的凹槽)配合,以固定杆形部件以防止扭曲。 这种结构特别适用于利用在其尖端封闭的固体电解质管状传感器元件的探针。
    • 2. 发明授权
    • Combustion exhaust gas sensor structure, particularly for automotive
engine exhaust gases
    • 燃烧废气传感器结构,特别适用于汽车发动机废气
    • US4818363A
    • 1989-04-04
    • US461116
    • 1983-01-26
    • Kurt BayhaHelmut Weyl
    • Kurt BayhaHelmut Weyl
    • G01N27/12F02D35/02F02D41/14G01N27/00G01N27/04G01N27/403G01N27/407G01N27/409G01N27/416G01N27/46
    • G01N27/4071G01N27/4062G01N27/407G01N27/4078
    • To retain a plate-like sensing element, for example made of ceramic, in position within a metallic housing without danger of breakage or loosening under conditions of vibrations or shock or wide swings of temperature and substantial temperature gradients, a metallic housing has a longitudinal opening wherein in which two sealing elements are located, for example made of aluminum oxide. The sealing elements are formed, each, with an internal pocket, for example extending conically outwardly towards their meeting surfaces, to form a chamber. The chamber is filled with a resiliently compressible powder or pulverized material, for example talcum, and separates the elements by a gap (31) extending outwardly to the walls of the metallic housing. The sensor element is passed through slits formed in the end regions of the sealing elements (26, 27) and is retained in position by the compressible powder or pulverized material. The sealing elements are retained in resiliently compressed condition, towards each other, by a spring (14, 14'), for example a washer or dish-spring, held in position and exerting direct (FIG. 1) or indirect (FIG. 4) pressure tending to compress the powdery or pulverized substance (28) surrounding the portion of the sensing element (15) therebetween, and located in said chamber. Strain-relief connections can be made to terminal portions (25) of conductive tracks (24) extending along the major surfaces of the sensing element by passing end portions of spring wire clips (FIGS. 4, 6) through suitably aligned holes or grooves in a contact guide sleeve (42).
    • 为了将例如由陶瓷制成的板状传感元件保持在金属外壳内的适当位置,在振动或冲击或宽度的温度波动和相当温度梯度的条件下不会发生断裂或松动的危险,金属外壳具有纵向开口 其中两个密封元件位于其中,例如由氧化铝制成。 密封元件各自形成有内部凹穴,例如,向内朝向其会合表面向外延伸,形成腔室。 腔室填充有可弹性压缩的粉末或粉碎材料,例如滑石,并且通过向外延伸到金属壳体的壁的间隙(31)分离元件。 传感器元件通过形成在密封元件(26,27)的端部区域中的狭缝,并通过可压缩粉末或粉碎材料保持在适当位置。 密封元件通过弹簧(14,14')例如垫圈或碟形弹簧保持在适当位置并且直接施加(图1)或间接地(图4)保持弹性压缩状态 )压力倾向于将围绕其间的感测元件(15)的部分周围的粉状或粉碎物质(28)压缩并位于所述室中。 可以通过使弹簧线夹(图4,6)的端部通过适当对准的孔或槽中的孔或凹槽,使得沿着感测元件的主表面延伸的导电轨道(24)的端子部分(25)形成应变消除连接 接触导向套筒(42)。
    • 3. 发明授权
    • Internally heated oxygen sensor, particularly for use with internal
combustion engines
    • 内部加热氧气传感器,特别适用于内燃机
    • US4636293A
    • 1987-01-13
    • US715656
    • 1985-03-25
    • Kurt BayhaHelmut Weyl
    • Kurt BayhaHelmut Weyl
    • G01N27/409G01N27/406G01N27/58
    • G01N27/4067
    • To provide an easily manufactured and easily connected heater element for a tubular ion-conductive body (26) forming a sensing element (24) of the oxygen sensor, the heater element (35) comprises a plate-like substrate (36) of insulating material, e.g. ceramic, which, at its inner end is wider than at the end fitting into the inside of the tubular ion-conductive body, the conductors leading to the heater being formed as conductive tracks spaced apart from each other by a greater distance at the inner end, adjacent connection zones (37/3), than close to the heater zone (37/1), the plate-like substrate, at the inner portion, being essentially trapezoidal and terminating in an end edge (36') which forms the wider side of the trapezoid. Electrical connection to the connection zones (37/3) and simultaneous retention of the plate-like body (36) within the sensor, are obtained by engaging the connection zones with bent-over hook-like spring wires (58, 59) pressing the plate-like body in the region of the connection zones against an abutment surface (55) formed within an insulator (40) located in the sensor.
    • 为了提供容易制造和容易连接的用于形成氧传感器的感测元件(24)的管状离子传导体(26)的加热器元件,加热器元件(35)包括绝缘材料的板状基底(36) ,例如 陶瓷,其内端宽于在管状离子传导体的内侧的端部,通向加热器的导体形成为在内端彼此间隔较大距离的导电轨道 相邻的连接区域(37/3),靠近加热器区域(37/1),板状衬底在内部基本上是梯形的,并且终止于形成较宽的端部边缘(36') 侧面的梯形。 通过将连接区域与弯曲的钩状弹簧线(58,59)接合,从而将连接区域(37/3)的电连接和板状体(36)同时保持在传感器内, 所述连接区域中的板状体抵靠形成在位于所述传感器中的绝缘体(40)内的邻接表面(55)。