Exhaust gas recirculation system for internal combustion engine

Details Exhaust gas recirculation system for internal combustion engine Exhaust gas recirculation system for internal combustion engine

2005-05-24

2005-05-24

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

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S184210

Reexamination Certificate

active

06895948

ABSTRACT:
An exhaust gas recirculation system for an internal combustion engine in which at least one metal plate is interposed between a cylinder head and an intake manifold, and an EGR gas passage is formed in the plate, wherein the EGR gas passage is formed in its lowest portion with an EGR gas outlet port communicated with an intake passage formed in the plate, so as to prevent condensed water from steam in the EGR gas from collecting within the EGR gas passage, thereby preventing corrosion of the plate.

REFERENCES:
patent: 4693226 (1987-09-01), Choma
patent: 4867109 (1989-09-01), Tezuka et al.
patent: 5666930 (1997-09-01), Elder
patent: 6772729 (2004-08-01), Brosseau et al.
patent: 20008968 (2000-01-01), None

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