Air/fuel ratio control system for internal combustion engine hav

Details Air/fuel ratio control system for internal combustion engine hav Air/fuel ratio control system for internal combustion engine hav

1976-12-13

1978-09-12

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123 32EE, 73 23, 204195S, F02M 700

Patent

active

041128931

ABSTRACT:
A feedback control system for controlling the air/fuel ratio of a combustible mixture fed to an internal combustion engine based on the output of an exhaust sensor includes an input circuit of a high input impedance, which serves as a prefatory circuit to a control signal producing circuit to match the high internal impedance of the sensor at low exhaust gas temperatures. The input circuit has an operational amplifier with its noninverting input terminal connected to the sensor and, optionally, two or more switchable resistors to adjust the input impedance.

REFERENCES:
patent: 3827237 (1974-08-01), Linder et al.
patent: 3915135 (1975-10-01), Kushida et al.
patent: 3916170 (1975-10-01), Norimatsu et al.
patent: 3923016 (1975-12-01), Hoshi
patent: 3948081 (1976-04-01), Wessel et al.
patent: 3949551 (1976-04-01), Eichler et al.
patent: 3990411 (1976-11-01), Oberstadt et al.

Affiliated with

Also associated with

Rating

Air/fuel ratio control system for internal combustion engine hav does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Air/fuel ratio control system for internal combustion engine hav, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Air/fuel ratio control system for internal combustion engine hav will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2379025