Dual path EGR system and methods

Details Dual path EGR system and methods Dual path EGR system and methods

2005-05-31

2005-05-31

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

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S568200, C060S605200

Reexamination Certificate

active

06899090

ABSTRACT:
An internal combustion engine system, dual loop EGR system and method is provided, with a high pressure EGR loop, controlled by a control valve, in fluidic connection with the exhaust outlet of the exhaust manifold and the air inlet of the intake manifold, and a low pressure EGR loop, wherein exhaust, in proportions controlled by a control valve, enters a compressor from a point downstream of an exhaust emissions controller, together with fresh air, the low pressure EGR loop being in fluidic connection with an output of the compressor and the air inlet of the intake manifold.

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