Unburned fuel amount-estimating device in engine and...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indication of fuel consumption rate or economy of usage

Reexamination Certificate

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Details

C701S086000, C701S101000, C701S103000, C701S104000, C701S112000

Reexamination Certificate

active

08078392

ABSTRACT:
There is provided with an ECU for estimating an unburned fuel amount (HC) emitted from an engine after fuel combustion or a temperature of a DPF based upon a required engine operating condition as a control target value. An exhaust gas temperature sensor for detecting a temperature of an exhaust gas emitted directly from the engine is provided. A program for compensating for an estimation error in regard to an estimation value of the unburned fuel amount estimated from the required engine operating condition, that is, an operating condition difference amount between the required engine operating condition and an actual engine operating condition, based upon an engine exhaust gas temperature detected from the exhaust gas temperature sensor is provided.

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Japanese Office Action dated May 11, 2010, issued in corresponding Japanese Application No. 2006-216535, with English translation.

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