Internal combustion engine purge flow rate controlling...

Details Internal combustion engine purge flow rate controlling... Internal combustion engine purge flow rate controlling...

2005-01-04

2005-01-04

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

Reexamination Certificate

active

06837223

ABSTRACT:
A purge flow rate to be added (a value to be added or subtracted) DQPGC is calculated based on a deviation between a target purge flow rate QPGCMD (the current value) and the purge flow rate QPGC(k−1) that was calculated in the previous control cycle (step S118), and a purge flow rate QPGC (the current value) is calculated by adding (adding or subtracting) the purge flow rate to be added DQPGC which is so calculated to the previous value QPGC(k−1) of the purge flow rate (steps S130to S132).

REFERENCES:
patent: 4771749 (1988-09-01), Kiuchi et al.
patent: 5216995 (1993-06-01), Hosoda et al.
patent: 5224462 (1993-07-01), Orzel
patent: 6729319 (2004-05-01), Mitsutani
patent: 6732719 (2004-05-01), Mitsutani
patent: 20030005915 (2003-01-01), Mitsutani
patent: 0 964 148 (1999-12-01), None
patent: 3-21744 (1991-03-01), None

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