Apparatus for controlling the fuel-air mixture of an internal co

Details Apparatus for controlling the fuel-air mixture of an internal co Apparatus for controlling the fuel-air mixture of an internal co

1977-01-31

1978-04-11

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119D, 123124R, 123124B, 261 50A, 261121B, F02M 2304, F02N 700, F02B 7510

Patent

active

040833380

ABSTRACT:
The induction manifold of an internal combustion engine is provided with an air bypass conduit which has an air flow metering valve which is controlled by the same differential pressure experienced by the air responsive element of the carburetor in the induction tube. The pressure drop across this valve is further influenced by a second air metering valve acting as a pressure control valve, also located in the bypass line downstream of the first metering valve. A regulator responsive to engine conditions controls valves which cause selective admission of different pressures to the actuation chamber of the pressure control valve to regulate the amount of bypassed air.

REFERENCES:
patent: 3906910 (1975-09-01), Szlaga, Jr.
patent: 3911884 (1975-10-01), Moriya et al.
patent: 3963009 (1976-06-01), Mennesson
patent: 4010722 (1977-03-01), Laprade et al.
patent: 4022171 (1977-05-01), Laprade et al.

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