Exhaust gas recirculation control system for an internal combust

Details Exhaust gas recirculation control system for an internal combust Exhaust gas recirculation control system for an internal combust

1977-11-10

1979-10-23

Konick, Bernard

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

041716914

ABSTRACT:
An exhaust gas recirculation control system for an internal combustion engine wherein the control is effected so as to accord intake manifold pressure of the engine to target values predetermined for various operating conditions of the engine and retained in a memory means, wherein the target values are modified in accordance with atmospheric pressure to a compensater for the reduction in atmospheric pressure at high altitutde and to modify the ratio of exhaust gas recirculation in operation of the engine at high altitude when compared with its operation at sea level.

REFERENCES:
patent: 3794003 (1974-02-01), Reddy
patent: 3815560 (1974-06-01), Wahl
patent: 3963011 (1976-06-01), Saito
patent: 3969614 (1976-07-01), Moyer
patent: 4009699 (1977-03-01), Hetzler
patent: 4128885 (1978-12-01), Valek
"Electronic Fuel Injecton Reduces Automotive Pollution" Electronics; Sep. 11, 1972, by M. Williams; pp. 121-125, 364-442.

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