Fuel injection control system

Details Fuel injection control system Fuel injection control system

1976-08-12

1978-11-28

Myhre, Charles J.

Internal-combustion engines

Noncompression

123 32EJ, F02B 300

Patent

active

041270860

ABSTRACT:
A fuel injection system in which the valve control pulses are generated on the basis of information regarding the engine rpm and the combustion air flow rate and in which the air flow rate is measured by a baffle plate and a position sensor. When the throttle is abruptly closed, the inertia of the air and of the baffle plate prevents a precise measurement and an overly lean fuel mixture may be admitted. Accordingly, the apparatus of the invention is sensitive to the rate of change of the signal from the baffle plate sensor and when that rate is too great, additional current is fed to a multiplying circuit, thereby extending the control pulse length and increasing the amount of fuel fed to the engine.

REFERENCES:
patent: 3673989 (1972-07-01), Aono et al.
patent: 3759231 (1973-09-01), Endo
patent: 3837321 (1974-09-01), Sauer
patent: 3858561 (1975-01-01), Aono
patent: 3946704 (1976-03-01), Monpetit

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