Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2008-12-05
2011-11-22
Ilan, Ruth (Department: 3616)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
C701S123000, C701S099000, C180S065275, C180S065280, C903S904000, C060S706000, C060S276000, C060S277000
Reexamination Certificate
active
08065049
ABSTRACT:
A vehicle includes an internal combustion engine1and a rotating electric machine5as drive power sources and drives a wheel using a driving force of the internal combustion engine1and/or the rotating electric machine5. A diagnostic control unit700diagnoses the vehicle while controlling the same. The diagnostic control unit700shifts an operating point of the internal combustion engine1to a plurality of diagnostic operating points to diagnose a catalyst or an oxygen sensor. Meantime, the diagnostic control unit700compensates for an excess or a deficiency in the driving force of the internal combustion engine1accompanied by the shift of the operating point by letting the rotating electric machine5perform a power running or regeneration operation.
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Sakamoto Hiroyuki
Takaku Yutaka
Crowell & Moring LLP
Hitachi , Ltd.
Ilan Ruth
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