Apparatus for controlling an internal combustion engine and meth

Details Apparatus for controlling an internal combustion engine and meth Apparatus for controlling an internal combustion engine and meth

1996-08-07

1997-11-04

Wolfe, Willis R.

Internal-combustion engines

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

123435, F02D 4114, F02P 5153

Patent

active

056828560

ABSTRACT:
A rate of change in the combustion pressure in each of the cylinders is calculated based upon a result detected by a combustion pressure sensor provided for each of the cylinders. The air-to-fuel ratio is increased and/or the ignition timing is retarded for each of the cylinders so that a rate of change in the combustion pressure approaches a value corresponding to the combustion stability limit in each of the cylinders.

REFERENCES:
patent: 4621603 (1986-11-01), Matekunas
patent: 4928653 (1990-05-01), Ohkubo et al.
patent: 4971009 (1990-11-01), Washino et al.
patent: 5353764 (1994-10-01), Tomisawa
patent: 5421305 (1995-06-01), Tomisawa
patent: 5499607 (1996-03-01), Tomisawa
patent: 5592919 (1997-01-01), Morikawa

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