专利名称：Method and apparatus for improving the
reliability of an airflow measuring system
发明人：Cornelius Peter申请号：US05/944587申请日：19780921公开号：US04196622A公开日：19800408
摘要：Undesired deposits accummulating on the surface of a temperature- varyingairflow sensing resistor are burned off periodically by increasing the current through it.To eliminate errors caused by a reversal in the direction of airflow, a temperatureindependent resistor is placed downstream of the temperature-varying resistor and ismaintained at the same operating temperature as the latter.
申请人：BOSCH, ROBERT GMBH
代理机构：Frishauf, Holtz, Goodman & Woodward
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