Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2007-05-04
2009-02-10
Wolfe, Jr., Willis R (Department: 3747)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
C701S104000, C701S114000, C702S183000, C073S114520
Reexamination Certificate
active
07489997
ABSTRACT:
A diagnostic apparatus for an internal combustion engine, comprising an adjusting device for adjusting a burning condition, a correction device for estimating or detecting an input or an output to and from the internal combustion engine so as to correct at least one of a throttle opening degree, a fuel injection pulse width, a fuel injection timing, an ignition timing and an exhaust gas recirculation quantity, a recording device for recoding a controlled correction value from the correction device at every predetermined time, and a fuel consumption evaluation means for evaluating a fuel consumption of the engine, being based upon the recorded data or log data as to the recorded data, wherein a deterioration of fuel consumption caused by an abnormality of the engine can been soon detected with no affection by an operating condition of the engine and unevenness of component parts.
REFERENCES:
patent: 4448162 (1984-05-01), Ninomiya et al.
patent: 4503829 (1985-03-01), Hasegawa et al.
patent: 6985804 (2006-01-01), Minami
patent: 7355292 (2008-04-01), Yamashita
patent: 2002/0087238 (2002-07-01), Matsui
patent: 2005/0209771 (2005-09-01), Ishiguro
patent: 2002-202003 (2002-07-01), None
patent: 2003-302276 (2003-10-01), None
patent: 2003-328845 (2003-11-01), None
Hori Toshio
Iihoshi Yoichi
Kurashima Yoshikuni
Yamauchi Shin
Crowell & Moring LLP
Hitachi , Ltd.
Wolfe, Jr. Willis R
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