Exhaust gas recirculation system

Details Exhaust gas recirculation system Exhaust gas recirculation system

1992-03-30

1993-04-27

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123572, 606052, F02M 2506, F02M 2507

Patent

active

052052656

ABSTRACT:
An exhaust gas recirculation system of an engine equipped with a supercharger has an exhaust gas circulation passage for circulating exhaust gas into an intake system from an exhaust system, and a return passage for returning exhaust gas introduced into the exhaust gas circulation passage to the exhaust system. The exhaust gas circulation passage is made available to the exhaust gas when the engine operates within a specified area of engine operating conditions in which supercharging is to be effected. The return passage is made available to the exhaust gas when the engine operates within an area, other than the specified area, of engine operating conditions.

REFERENCES:
patent: 3224188 (1965-12-01), Barlow
patent: 4323045 (1982-04-01), Yamashita
patent: 4356806 (1982-11-01), Freesh
patent: 4467774 (1984-08-01), Becker et al.
patent: 4771602 (1988-09-01), Ruiz et al.
patent: 4779600 (1988-10-01), Asaga et al.

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