Misfire-detecting system for internal combustion engines

Details Misfire-detecting system for internal combustion engines Misfire-detecting system for internal combustion engines

1994-01-03

1995-05-16

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Safety device

F02P 1100

Patent

active

054151481

ABSTRACT:
A misfire-determining system for an internal combustion engine detects sparking voltage generated when ignition is sequentially performed for each of cylinders. Adjacent durations of sparking voltage detected for respective cylinders are separately compared with a predetermined reference value by respective different misfire-determining circuits to determine whether or not a misfire has occurred.

REFERENCES:
patent: 3942102 (1976-03-01), Kuhn et al.
patent: 3961240 (1976-06-01), Pohl
patent: 4757798 (1988-07-01), Sasaki
patent: 4996964 (1991-03-01), Ohuchi
patent: 5042449 (1991-08-01), Dassetto
patent: 5215067 (1993-06-01), Shimasaki et al.

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