Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-05-06
1978-10-10
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
73119A, 123 32EK, 123198D, 235302, 324 77G, 324 78D, 364579, F02M 700
Patent
active
041190700
ABSTRACT:
A closed-loop mixture control system for an internal combustion engine comprises an electronic control section and an electromechanical section comprised of the engine, an air-fuel metering system and an exhaust composition sensor. The system further comprises a first diagnosis circuit for testing the electromechanical section by application of a recurrent series of binary signals to the metering system, and second and third diagnosis for circuits for testing the function of the electronic control section by application of staircase waveform signal or a train of variable width pulses selectively to the input of the control section. The applied test signals are received by the respective diagnosis circuits to check the performance of the control loop.
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patent: 3718813 (1973-02-01), Williams, Jr. et al.
patent: 3760355 (1973-09-01), Bruckert
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patent: 3900012 (1975-08-01), Wahl et al.
patent: 3919885 (1975-11-01), Kaireit
patent: 3938075 (1976-02-01), Reddy
patent: 3948228 (1976-04-01), Luchaco
Adams Bruce L.
Burns Robert E.
Dolinar Andrew M.
Lobato Emmanuel J.
Myhre Charles J.
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