Birch, Stewart, Kolasch & Birch, LLP
Exhaust emission control device for internal combustion engine
An exhaust emission control device having a deposit amount detecting section for detecting a deposit amount correlation value Qpm of the particulate matter captured by a diesel particulate filter, a temperature detecting section for detecting a temperature correlation value Tdpf of the particulate filter, and a correction section for correcting the target idle rotating speed Ni to the higher rotating speed to suppress overheating of the diesel particulate filter in accordance with detection results of the deposit amount detecting section and the temperature detecting section.
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
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Setsuo Tamon Tetsuya
Nishihara Tanaka Watanabe