Vehicle engine control system utilizing humidity sensor

Details Vehicle engine control system utilizing humidity sensor Vehicle engine control system utilizing humidity sensor

2008-01-15

2008-01-15

Argenbright, T. M. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S090150, C123S479000, C123S568160, C123S690000

Reexamination Certificate

active

10678411

ABSTRACT:
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such information is also used to adjust timing and/or lift of the valve in the engine cylinder. Finally, diagnostic routines are also described.

REFERENCES:
patent: 3982503 (1976-09-01), Keranen
patent: 4046113 (1977-09-01), Moore
patent: 5605135 (1997-02-01), Netherwood
patent: 5609126 (1997-03-01), Cullen et al.
patent: 5735245 (1998-04-01), Kubesh et al.
patent: 6062204 (2000-05-01), Cullen
patent: 6101993 (2000-08-01), Lewis et al.
patent: 6560528 (2003-05-01), Gitlin et al.
patent: 6575148 (2003-06-01), Bhargava et al.
patent: 6581370 (2003-06-01), Sato et al.
patent: 6581447 (2003-06-01), Strohrmann et al.
patent: 6581571 (2003-06-01), Kubesh et al.
patent: 6860143 (2005-03-01), Yamazaki et al.
patent: 6918362 (2005-07-01), Cullen
patent: 2002/0046741 (2002-04-01), Kakuho et al.
patent: 2004/0069273 (2004-04-01), Visser et al.
patent: 2005/0072406 (2005-04-01), Cullen
patent: 2005/0072411 (2005-04-01), Cullen

Affiliated with

Also associated with

Rating

Vehicle engine control system utilizing humidity sensor 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 engine control system utilizing humidity sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vehicle engine control system utilizing humidity sensor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3924750