Exhaust gas recirculation cooler bypass

Details Exhaust gas recirculation cooler bypass Exhaust gas recirculation cooler bypass

2006-12-08

2008-12-30

Wolfe, Jr., Willis R (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S568200, C060S605200

Reexamination Certificate

active

07469691

ABSTRACT:
A method including selectively injecting non-cooled exhaust gas into a primary air intake conduit at a first location; selectively injecting cooled exhaust gas into the primary air intake conduit at a second location; and wherein the second location is downstream from the first location with respect to the direction of gas flow in the primary air intake conduit.

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