Closed loop fast idle control system

Details Closed loop fast idle control system Closed loop fast idle control system

1974-06-14

1976-06-22

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123124A, 123124B, 123119DB, 123179L, 123 32EA, 261 41D, 261 39D, F02D 104, F02D 106

Patent

active

039644570

ABSTRACT:
A closed loop fast idle control system is disclosed for controlling the idle speed of an internal combustion engine during the transitional warm-up period. The system compares the actual engine speed with a reference speed signal and controls the air delivery to the engine to minimize the difference. The reference speed signal is generated as a function of the engine's temperature. Being a closed loop control, the system automatically compensates for changes in the engine's load thereby providing for increased efficiency and a reduction in undesirable exhaust emissions.

REFERENCES:
patent: 3043286 (1962-07-01), Blomberg
patent: 3661131 (1972-05-01), Croft
patent: 3677241 (1972-07-01), Gele
patent: 3750632 (1973-08-01), Zechnall
patent: 3780718 (1973-12-01), Nambu
patent: 3797465 (1974-03-01), Hobo
patent: 3885545 (1975-05-01), Charron

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