Engine control systems

Internal-combustion engines – Noncompression

Patent

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Details

73194A, 123139AW, F02B 300

Patent

active

039675963

ABSTRACT:
An engine control system utilizes a vortex whistle for producing an acoustic signal the frequency of which varies with the rate of flow of air passing through the inlet manifold of the engine, and a control device for controlling an engine characteristic, such as the rate at which fuel is injected into the manifold, in accordance with the frequency of this acoustic signal.

REFERENCES:
patent: 3766897 (1973-10-01), Husted
patent: 3771505 (1973-11-01), Taplin
patent: 3785353 (1974-01-01), Borisov
patent: 3818877 (1974-06-01), Barrera
patent: 3842811 (1974-10-01), Shinoda
patent: 3844263 (1974-10-01), Endo

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