EGR system

Details EGR system EGR system

1976-11-15

1978-08-15

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123191A, F02M 2506

Patent

active

041064496

ABSTRACT:
An EGR (exhaust gas recycling) system for diminishing the harmful substances of the exhaust gas from an internal combustion engine by recycling a portion thereof into the gas in-take side, comprises forming the EGR valve body and other essential parts of aluminum alloy castings and coating the portions thereof exposed to the exhaust gas with PTFE (polytetrafluoroethylene, e.g., Teflon). This phenomenally improves the corrosion-resistance and some other functions thereof.

REFERENCES:
patent: 2724672 (1955-11-01), Rubin
patent: 2821495 (1958-01-01), Dulin
patent: 2823995 (1958-02-01), Blackmun
patent: 2907103 (1959-10-01), Lewis
patent: 3304221 (1967-02-01), Eggleton
patent: 3420262 (1969-01-01), Oneill
patent: 3563785 (1971-02-01), Toshisaburo-Oga
patent: 3915133 (1975-10-01), Nohira

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