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    • 76. 发明授权
    • Method for determining the temperature of a measurement sensor
    • 确定测量传感器温度的方法
    • US08201998B2
    • 2012-06-19
    • US12374362
    • 2007-10-23
    • Holger ReinshagenLothar Diehl
    • Holger ReinshagenLothar Diehl
    • G01K7/18G05D23/24
    • G01N27/4067G01K7/183G01K7/26G01K2205/04G05D23/2401
    • A method for determining a temperature of a measurement sensor for determining an oxygen concentration in gas mixtures. In particular, the measurement sensor may be used in exhaust gases of internal combustion engines. A detection voltage which corresponds to the oxygen concentration and is provided by a Nernst measuring cell is evaluated, and the measurement sensor is regulated to an operating temperature using a heating device. The internal resistance of the Nernst measuring cell is determined in a first temperature range and is used to infer the temperature of the Nernst measuring cell, and the internal resistance of the heating device is determined in a second temperature range and is used to infer the temperature of the Nernst measuring cell.
    • 一种用于确定用于确定气体混合物中的氧浓度的测量传感器的温度的方法。 特别地,测量传感器可以用于内燃机的废气中。 评价由能斯特测量单元提供的与氧气浓度对应的检测电压,并且使用加热装置将测量传感器调节到工作温度。 能斯特测量电池的内部电阻在第一温度范围内确定,并用于推测能斯特测量电池的温度,并且在第二温度范围内确定加热装置的内部电阻,并用于推断温度 的恩斯特测量池。
    • 79. 发明授权
    • Procedure to recognize the diffusion gas composition in a wideband lambda sensor
    • 识别宽带λ传感器中的扩散气体成分的程序
    • US07744740B2
    • 2010-06-29
    • US11605988
    • 2006-11-28
    • Lothar Diehl
    • Lothar Diehl
    • G01N27/419G01N27/417G01N27/407G01N27/409G01N27/41
    • G01N27/419
    • In a procedure to recognize the gas composition of a gas mixture, which consists of at least two gases of preferably different diffusion properties, delivered to a wideband lambda sensor, especially a gas mixture of an exhaust gas of an internal combustion engine of a motor vehicle, whereby the lambda sensor has a pumping cell with at least one gas measurement chamber, provision is made for the recognition of the gas composition of the gas mixture to result by means of modulation of the gas in the gas measurement chamber. Preferably the air number in the gas measurement chamber of the pumping cell is periodically altered, whereby the sensitivity of the lambda sensor to the gases, of which there are at least two, likewise periodically changes.
    • 在识别由至少两种优选不同扩散性质的气体组成的气体混合物的气体组成的方法中,该气体混合物输送到宽带λ传感器,特别是汽车内燃机的排气的气体混合物 由此,λ传感器具有具有至少一个气体测量室的泵浦单元,用于通过调节气体测量室中的气体来确定气体混合物的气体成分的识别。 优选地,泵送单元的气体测量室中的空气数量被周期性地改变,由此λ传感器对至少有两个的气体的灵敏度同样周期性地改变。