Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1980-04-15
1982-01-26
Cox, Ronald B.
Internal-combustion engines
Charge forming device
Fuel injection system
123198DB, 123335, 123339, 123 48D, F02B 7700
Patent
active
043123155
ABSTRACT:
A system to control operation of an IC engine, comprising, as a principal subsystem, a digital control system for executing computing processing by using inputs representative of parameters of engine operating conditions, including an engine speed signal, thereby producing a control signal to control at least one actuator which can regulate a factor of engine operation. The digital control system comprises means for examining the length of pulse intervals of the engine speed signal and discriminating means for forming a judgement that the engine is stalling when the pulse intervals continue to be longer than a predetermined length of time for a predetermined period of time, so that the system does not misjudge the presence of a noise signal to be an indication of engine stall.
REFERENCES:
patent: 3572302 (1971-03-01), Wollesen
patent: 3757571 (1973-09-01), Chamberas
patent: 4006718 (1977-02-01), Konomi
patent: 4058106 (1977-11-01), Drews
patent: 4198933 (1980-04-01), Sieber
patent: 4213181 (1980-07-01), Carp
patent: 4237838 (1980-12-01), Kinugawa
Cox Ronald B.
Nissan Motor Company Limited
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