Exhaust gas recirculation rate control device

Details Exhaust gas recirculation rate control device Exhaust gas recirculation rate control device

1980-02-22

1981-09-15

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F02M 2506

Patent

active

042891086

ABSTRACT:
A fuel injection time is calculated from a flow rate of intake air to an internal combustion engine. A rotational speed of the engine is sensed. A desired recirculation rate of exhaust gas is determined by a central processing unit from the fuel injection time and the rotational speed of the engine using memory which contains a two-dimensional look-up table, each lattice point in the table being defined by axes of fuel injection time and rotational speed of the engine, and each lattice-point containing the value of a desired recirculation rate of exhaust gas.

REFERENCES:
patent: 3969614 (1976-07-01), Moyer et al.
patent: 4128885 (1978-12-01), Valek et al.
patent: 4142493 (1979-03-01), Schira et al.
patent: 4161162 (1979-07-01), Latsch et al.
patent: 4161929 (1979-07-01), Nohira et al.
patent: 4164206 (1979-08-01), Toelle
patent: 4166437 (1979-09-01), Bianchi et al.
patent: 4170973 (1979-10-01), Nohira et al.
patent: 4173205 (1979-11-01), Toelle
patent: 4190029 (1980-02-01), Taplin
patent: 4191144 (1980-03-01), Nohira et al.
patent: 4195604 (1980-04-01), Taplin

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