Air-fuel ratio control system

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means

Patent

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Details

123 32EE, 123 32EA, 123124R, 123124B, F02B 3300

Patent

active

041111702

ABSTRACT:
Air drawn into a carburetor main fuel passage for adjustment of the air-fuel ratio of an engine air-fuel mixture is either stepwise or continuously prevented from being undesirably increased with increases in the engine load by either closing an additional passage for the air at an engine load above a predetermined value or continuously reducing the effective cross sectional area of a variable orifice in a passage or an additional passage for the air with increases in the engine load.

REFERENCES:
patent: 4010722 (1977-03-01), Laprade
patent: 4057042 (1977-11-01), Aono

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