Vehicle having an emission control device diagnostic computer

Details Vehicle having an emission control device diagnostic computer Vehicle having an emission control device diagnostic computer

2006-03-07

2006-03-07

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Having sensor or indicator of malfunction, unsafeness, or...

C060S274000, C060S276000

Reexamination Certificate

active

07007458

ABSTRACT:
A computer controlled diagnostic system is described that monitors catalyst activity of an upstream catalyst using a sensor located downstream of a downstream catalyst. In this way, a system configuration is achieved that allows for diagnosis as well as improved air-fuel ratio control.

REFERENCES:
patent: 5351484 (1994-10-01), Wade
patent: 5509267 (1996-04-01), Theis
patent: 5625750 (1997-04-01), Puskorius et al.
patent: 5626014 (1997-05-01), Hepburn et al.
patent: 5627757 (1997-05-01), Comignaghi et al.
patent: 5706652 (1998-01-01), Sultan
patent: 5758491 (1998-06-01), Agustin et al.
patent: 5896743 (1999-04-01), Griffin
patent: 5899062 (1999-05-01), Jerger et al.
patent: 5974786 (1999-11-01), Kluzner et al.
patent: 6006153 (1999-12-01), Stander et al.
patent: 6282888 (2001-09-01), Sealy et al.
patent: 6425242 (2002-07-01), Booth et al.
patent: 6463735 (2002-10-01), Morinaga et al.
patent: 6761024 (2004-07-01), Uchida
patent: 6850165 (2005-02-01), Sakanushi et al.
“A Study on a Catalytic Converter OBD before Light-Off”, Seung Won Yun et al., International Journal of Automotive Technology, vol. ?, No. ?, pp. ? (year) .

Affiliated with

Also associated with

Rating

Vehicle having an emission control device diagnostic computer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vehicle having an emission control device diagnostic computer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vehicle having an emission control device diagnostic computer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3576339