发明授权
- 专利标题: Method for correcting the output signal of a lambda probe
- 专利标题(中): 用于校正λ探测器的输出信号的方法
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申请号: US12282557申请日: 2007-02-02
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公开(公告)号: US08359899B2公开(公告)日: 2013-01-29
- 发明人: Olaf Graupner , Gerd Rösel
- 申请人: Olaf Graupner , Gerd Rösel
- 申请人地址: DE Hannover
- 专利权人: Continental Automotive GmbH
- 当前专利权人: Continental Automotive GmbH
- 当前专利权人地址: DE Hannover
- 代理机构: King & Spalding L.L.P.
- 优先权: DE102006011722 20060314
- 国际申请: PCT/EP2007/051009 WO 20070202
- 国际公布: WO2007/104610 WO 20070920
- 主分类号: G01M15/10
- IPC分类号: G01M15/10 ; G01N27/417 ; F02D41/00
摘要:
In a method for correcting the output signal of a broadband lambda probe of an internal combustion engine, the influence of the air humidity on the lambda value determined by the broadband lambda probe is detected and is deducted by means of a compensation model. For this purpose, a measured air humidity is incorporated in the calibration of the broadband lambda probe during an overrun shut-off phase of the internal combustion engine.
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