Exhaust gas recirculation system of internal combustion engine

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

1997-09-16

1999-10-26

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

12356817, F02M 2506, F02M 3510

Patent

active

059709600

ABSTRACT:
To protect a plastic intake manifold of an internal combstion engine from heat possessed by exhaust gas recirculation gas, a cooling device is arranged between the plastic intake manifold and an exhaust gas recirculation valve. The cooling device cools the exhaust gas recirculation gas by means of a coolant. A gas discharge part of the cooling device constitutes a pipe portion which penetrates through an exhaust gas inlet hole of the intake manifold keeping a given space between an outer wall of the pipe portion and an inner wall of the exhaust gas inlet hole. The pipe portion may be a leading end portion of an exhaust gas recirculation pipe extending from an exhaust system of the engine.

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Combined Search and Examination Report Under Sections 17 and 18(3) GB9719921.0 Dec. 4, 1997.
Anonymous, "Exhaust Gas Recirculation Device", Research Disclosure 327113, Jul. 1991/549.

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