Exhaust gas recirculation control system

Details Exhaust gas recirculation control system Exhaust gas recirculation control system

F - Mech Eng,Light,Heat,Weapons

02

M

123/98.05

F02M 25/06 (2006.01)

Patent

CA 1071952

ABSTRACT OF THE DISCLOSURE An exhaust gas recirculation (EGR) control valve provided with an extension which is inserted into a restriction, formed in the EGR passageway upstream of the EGR control valve, to reduce the effective cross sectional area of the restriction and therefore the EGR ratio when the pressure in the EGR passageway between the restriction and the EGR control valve is reduced below a predetermined value due to increases in an engine suction vacuum during low load engine operating conditions. - 1 -

276612

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