Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2007-08-07
2007-08-07
Wolfe, Willis R. (Department: 3747)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
C123S688000
Reexamination Certificate
active
11206793
ABSTRACT:
In a diagnosis apparatus for an internal combustion engine which determines the abnormality of a linear A/F sensor which is disposed on the upstream side of a catalyst of the engine and detects the A/F of exhaust gas, the apparatus includes a response/gain deterioration detection unit that separately detects the response deterioration in which the response of the linear A/F sensor is delayed and the gain deterioration in which the detection sensitivity of the linear A/F sensor is abnormal.
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European Search Report dated Nov. 24, 2005 (six (6) pages).
Hori Toshio
Iihoshi Yoichi
Kurashima Yoshikuni
Yamauchi Shin
Crowell & Moring LLP
Hoang Johnny H.
Wolfe Willis R.
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