EGR Control system for internal combustion engine

Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture

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Details

123571, F02B 4708

Patent

active

042456061

ABSTRACT:
An EGR control system for an internal combustion engine, comprises an EGR passage connecting between the intake and exhaust passages of the engine and formed with an orifice therein, an EGR control valve for controlling the amount of exhaust gas passing through the EGR passage, a regulating valve for controlling the operation of the EGR control valve, and a device, for changing a preset condition of the regulating valve in accordance with engine operating conditions, so that EGE rate can be controlled to desirable values from view points of driveability and fuel economy.

REFERENCES:
patent: 4150642 (1979-04-01), Inada et al.
patent: 4173204 (1979-11-01), Takayama et al.

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