Method and apparatus for determining and controlling the exhaust

Details Method and apparatus for determining and controlling the exhaust Method and apparatus for determining and controlling the exhaust

1982-09-29

1984-07-31

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123569, F02M 2506

Patent

active

044623763

ABSTRACT:
A method and an apparatus are proposed for determining and controlling an exhaust gas recirculation rate in internal combustion engines (Diesel engines), wherein an adjusting member in the exhaust gas recirculation line is adjusted by a regulator in order to attain precise regulation of the exhaust gas quantity recirculated to the aspirated air zone. The regulator is supplied with the exhaust gas temperature (T4) measured at a given time as the load signal for the engine. The comparison value of the regulator is then either an actual value of the exhaust gas recirculation rate, ascertained by means of effective temperature measurements in the intake zone of the engine, or a set-point differential temperature which is produced by means of measuring the aspirated air quantity at a given time and the rpm.

REFERENCES:
patent: 2317582 (1943-04-01), Bicknell
patent: 4060065 (1977-11-01), Hata et al.
patent: 4181944 (1980-01-01), Yamauchi et al.
patent: 4280471 (1981-07-01), Masaki

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