Electronic control type fuel injection apparatus

Details Electronic control type fuel injection apparatus Electronic control type fuel injection apparatus

1983-09-15

1984-06-26

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, F02B 5104

Patent

active

044559852

ABSTRACT:
An electronic control type fuel injection apparatus comprises a vortex air-flow meter for sensing a suction air-flow rate by generating a frequency output depending upon a vortex air-flow rate depending upon a suction air-flow rate of air fed into an internal combustion engine; a control device for injecting the fuel by actuating an electromagnetic valve for a specific period under substantially synchronizing to the frequency output of said vortex air-flow meter; an air-cleaner placed in the upper-stream of said vortex air-flow meter; and a pressure sensor for sensing variation of pressure of the suction air fed into said vortex air-flow meter which is caused by said air-cleaner, whereby periods for actuating said electromagnetic valve are controlled depending upon the output of said pressure sensor.

REFERENCES:
patent: 3967596 (1976-07-01), Comley
patent: 3982503 (1976-09-01), Keranen
patent: 4150647 (1979-04-01), Suzuki et al.
patent: 4205377 (1980-05-01), Oyama et al.
patent: 4217863 (1980-08-01), Ezoe
patent: 4228768 (1980-10-01), Kita
patent: 4250745 (1981-02-01), Blotter et al.
patent: 4263884 (1981-04-01), Suzuki et al.

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