Carburetor air bleed control

Details Carburetor air bleed control Carburetor air bleed control

1982-01-28

1983-03-22

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Liquid tank

261DIG74, F02M 724

Patent

active

043775390

ABSTRACT:
A carburetor is provided with an air bleed passage connected to the main fuel well; the passage being controlled by a solenoid opened, normally closed valve; the solenoid being electrically connected in series arrangement with a venturi vacuum actuated, normally closed switch and a wide open throttle (WOT), normally open switch closed by movement of the throttle valve to a wide open position, the electrical circuit being completed at low mass air flows, WOT operation to open the air bleed line and lean out the air/fuel ratio of the mixture charge; the electrical circuit being broken when venturi vacuum reaches a predetermined level indicating maximum horsepower will be better obtained by a richer air/fuel ratio.

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patent: 4201166 (1980-05-01), Nishimura et al.
patent: 4217314 (1980-08-01), Pysarz

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