Control system for improved cylinder torque balance of engine

Details Control system for improved cylinder torque balance of engine Control system for improved cylinder torque balance of engine

1997-02-05

1998-04-21

Nelli, Raymond A.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

F02B 514

Patent

active

057407800

ABSTRACT:
Cylinder to cylinder variation in developed cylinder torque is suppressed by correcting ignition timings for the individual cylinders or by correcting fuel injection amounts allocated to the individual cylinders. Amounts of correction to be made to the individual ignition timings or fuel injection amounts are determined as results of comparison of individual cylinder pressure averages with a multiple cylinder pressure average that is an average of the individual cylinder pressure averages.

REFERENCES:
patent: 5488868 (1996-02-01), Ootake et al.
patent: 5503007 (1996-04-01), Plee et al.
patent: 5508927 (1996-04-01), Remboski et al.
patent: 5535722 (1996-07-01), Graessley et al.
patent: 5546905 (1996-08-01), Fukui
patent: 5632247 (1997-05-01), Hashizume et al.
patent: 5645034 (1997-07-01), Entenmann et al.
"Guide for Nissan Cefiro of the A32 Type Series", published in Japan in Aug. 1994 by Nissan Motor Co., Ltd., pp. 18, 38-44, 56-58.
"Guide for Nissan Cedric Gloria of the Y33 Type Series" published in Japan in Jun. 1996 by Nissan Motor Co., Ltd.

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