Internal-combustion engines – Noncompression
Patent
1975-04-01
1976-10-05
Myhre, Charles J.
Internal-combustion engines
Noncompression
123139E, 123140R, F02M 3900
Patent
active
039838480
ABSTRACT:
A fuel injection system for an internal combustion engine is controlled by a follower control loop. The fuel quantity is arbitrarily set by the gas pedal and a first potentiometric transducer generates an electrical command signal. The air flow through the induction tube constitutes the controlled variable whose magnitude is transformed into an electrical signal by a second potentiometer coupled to an air flow rate meter. The two signals are compared at the input of a control amplifier which drives a servomotor. The servomotor adjusts the opening of the air throttle valve of the engine, thereby changing the air flow through the induction tube until the air flow rate meter signals that the air quantity is proportional to the metered out fuel quantity.
REFERENCES:
patent: 3207255 (1965-09-01), Hahlganss et al.
patent: 3716035 (1973-02-01), Adler
patent: 3724430 (1973-04-01), Adler
patent: 3750632 (1973-08-01), Zechnall
patent: 3796197 (1974-03-01), Locher et al.
Fehrenbach Siegfried
Handtmann Dieter
Wessel Wolf
Devinsky Paul
Greigg Edwin E.
Myhre Charles J.
Robert Bosch G.m.b.H.
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