conversion efficiency degradation

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United States of America Patent

PATENT NO 8973431
APP PUB NO 20130306171A1
SERIAL NO

13994493

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Abstract

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An apparatus for on-board diagnoses of causes of NOX conversion efficiency degradation including: a diagnosis exhaust-pipe fuel injection control unit; a NOX purification device failure specifying unit; and an oxidizing catalyst device failure specifying unit.

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Patent Owner(s)

  • ISUZU MOTORS LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagaoka, Daiji Fujisawa, JP 86 543
Nakada, Teruo Fujisawa, JP 53 212

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