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2. 发明申请

US20080264166A1 FLOW SENSOR ELEMENT AND ITS SELF-CLEANING 有权
标题翻译：流量传感器元件及其自清洁
公开(公告)号：US20080264166A1
公开(公告)日：2008-10-30
申请号：US12108878
申请日：2008-04-24
申请人： Karlheinz WIENAND , Karlheinz ULLRICH , Matthias MUZIOL
发明人： Karlheinz WIENAND , Karlheinz ULLRICH , Matthias MUZIOL
IPC分类号： G01F1/68
CPC分类号： G01F1/6983 , G01F1/6845 , G01F1/692
摘要： A flow sensor element and a method for self-cleaning of the flow sensor element are provided, in which a temperature-measuring element and a heating element are arranged on a carrier element, and these elements can form a multiple-part ceramic component. The temperature-measuring element has a platinum thin-film resistor on a ceramic substrate for the temperature measurement and is heated with an additional platinum thin-film resistor. A measurement device, in particular an anemometric measurement device of a flow sensor, contains film resistors mounted in at least one opening of a cover or a hollow body. Two of the film resistors have resistance values differing by one to three orders of magnitude. The anemometric measurement device has a temperature sensor and a heat output sensor set in a carrier element. The temperature sensor has a temperature-measuring resistor and a heat conductor, as platinum thin-film or thick-film resistors, on a ceramic substrate.
摘要翻译：提供了流量传感器元件和流量传感器元件的自清洁方法，其中温度测量元件和加热元件布置在载体元件上，并且这些元件可以形成多部件陶瓷部件。温度测量元件在陶瓷基板上具有用于温度测量的铂薄膜电阻器，并用附加的铂薄膜电阻器加热。测量装置，特别是流量传感器的气流测量装置包含安装在盖子或中空体的至少一个开口中的薄膜电阻器。两个薄膜电阻器的电阻值相差一到三个数量级。风速测量装置具有设置在载体元件中的温度传感器和热输出传感器。温度传感器在陶瓷基板上具有温度测量电阻和作为铂薄膜或厚膜电阻的导热体。

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