Title:
改質器の状態判定装置および方法
Document Type and Number:
Japanese Patent JP4038770
Kind Code:
B2
Abstract:
An internal combustion engine (1) includes a reformer (20) for reforming a fuel air mixture to produce a reformed gas, a crank angle sensor (19) for detecting a rotational speed of the engine (1), and an ECU (50). The ECU (50) obtains a difference of an actual rotational speed from a target rotational speed of the engine (1) during an idling thereof based on a signal from the crank angle sensor (19). When the difference thus obtained exceeds a predetermined threshold value, the ECU (50) determines that a reforming catalyst of the reformer (20) has deteriorated or there is any abnormality in the reformer (20).
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Inventors:
Kazuhiro Wakao
Kazuhiro Sakurai
Kazuhiro Sakurai
Application Number:
JP2003303204A
Publication Date:
January 30, 2008
Filing Date:
August 27, 2003
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02M27/02; C01B3/38; F02D45/00; F02M25/00
Domestic Patent References:
| JP2000297706A | ||||
| JP59043953A |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe