Purge fuel vapor control

Details Purge fuel vapor control Purge fuel vapor control

2007-02-27

2007-02-27

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S519000

Reexamination Certificate

active

11223306

ABSTRACT:
A system and method for controlling the introduction of purge fuel vapor into a multi-cylinder internal combustion engine is provided. According to one aspect of the disclosure, a schedule for opening and closing an on-off, pulse-width-modulated, purge control valve is predetermined, and the purge control valve is opened and closed according to the predetermined schedule. According to one aspect of the disclosure, a predetermined schedule can include a repeating sequence of on-pulse frequencies.

REFERENCES:
patent: 5072712 (1991-12-01), Steinbrenner et al.
patent: 5263460 (1993-11-01), Baxter et al.
patent: 5273018 (1993-12-01), Suzuki
patent: 5429098 (1995-07-01), Tomisawa
patent: 5634451 (1997-06-01), Tomisawa
patent: 5649687 (1997-07-01), Rosas et al.
patent: 5682863 (1997-11-01), Kadooka
patent: 6578564 (2003-06-01), Bagnasco

Affiliated with

Also associated with

Rating

Purge fuel vapor control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Purge fuel vapor control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Purge fuel vapor control will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3831400