Exhaust gas recirculation system for an internal combustion engi

Details Exhaust gas recirculation system for an internal combustion engi Exhaust gas recirculation system for an internal combustion engi

1983-01-24

1984-06-12

Burns, Wendell E.

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

123569, 123571, F02M 2506

Patent

active

044533799

ABSTRACT:
An exhaust gas recirculation system is applied to an internal combustion engine having a combustion chamber and an exhaust passage conducting exhaust gas from the combustion chamber to the atmosphere. The system includes a first mechanism provided to recirculate the exhaust gas through the combustion chamber. A second mechanism is associated with the first mechanism to adjustably determine the percentage of the exhaust gas recirculated. A sensor detects the average pressure in the exhaust passage. In response to the detected exhaust pressure, a third mechanism controls the second mechanism in such a manner that the percentage of the exhaust gas recirculated is independent of the variations in the average pressure in the exhaust passage.

REFERENCES:
patent: 4185604 (1980-01-01), Nagaishi et al.
patent: 4211075 (1980-07-01), Ludecke et al.
patent: 4300516 (1981-11-01), Hayakawa
patent: 4318385 (1982-03-01), Yamaguchi
patent: 4378776 (1983-04-01), Nishimori
patent: 4378777 (1983-04-01), Iida et al.

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