Intake manifold for an internal combustion engine

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

Reexamination Certificate

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C123S184240, C123S184420

Reexamination Certificate

active

07036493

ABSTRACT:
An air intake system for an internal combustion engine includes a manifold defining a chamber. The chamber is divided into a first chamber portion and a second chamber portion by a permeable member for fluid communication between the first chamber portion and the second chamber portion. The permeable member facilitates mixing of air and exhaust gas for more consistent EGR distribution among a plurality of cylinders.

REFERENCES:
patent: 4425881 (1984-01-01), Lyndhurst
patent: 4628879 (1986-12-01), Futakuchi
patent: 4697569 (1987-10-01), Hertweck et al.
patent: 4726329 (1988-02-01), Atkin
patent: 4977866 (1990-12-01), Wilkins
patent: 5829402 (1998-11-01), Takahashi et al.
patent: 6029637 (2000-02-01), Prior
patent: 2004/0118371 (2004-06-01), Kino et al.

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