Method and system for monitoring an active hydrocarbon adsorber

Details Method and system for monitoring an active hydrocarbon adsorber Method and system for monitoring an active hydrocarbon adsorber

2009-03-04

2011-10-18

Gimie, Mahmoud (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S703000

Reexamination Certificate

active

08041501

ABSTRACT:
A method and system for monitoring an exhaust gas adsorber includes a comparison module comparing the first exhaust gas constituent signal corresponding to an amount of exhaust gas constituent in an exhaust conduit and a second exhaust gas constituent signal corresponding to an amount of exhaust gas constituent in the exhaust gas adsorber. The system includes a fault module generating a fault in response to comparing in the comparison module.

REFERENCES:
patent: 5946906 (1999-09-01), Akazaki et al.
patent: 5956945 (1999-09-01), Kumar et al.
patent: 6301881 (2001-10-01), Kumar
patent: 6367245 (2002-04-01), Yasui et al.
patent: 2003/0017603 (2003-01-01), Uchida et al.
patent: 2006/0236678 (2006-10-01), Tanada et al.

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