Idle adjusting screw in carburetor

Details Idle adjusting screw in carburetor Idle adjusting screw in carburetor

1979-04-26

1980-11-18

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

137384, 1373825, 251278, 251DIG4, 261DIG38, F02M 308

Patent

active

042345243

ABSTRACT:
A mixture adjusting screw in a carburetor for regulating the fuel efflux during engine idling is provided in which the end needle portion of the screw is located in the idle port of the carburetor and a spring is loaded around the rod portion of the screw to hold the screw in position after adjustment so as to maintain its proper adjustment. The screw head is covered by a plug and it is specifically shaped to inhibit easy access of the user to the screw for adjustment purposes. The air and fuel mixture formed in the low-load fuel system in the carburetor is well stirred due to the presence of the spring which is exposed to a fuel passage and is formed into an emulsion flow, allowing stabilized rotation of the engine during idling and high performance thereof in normal running.

REFERENCES:
patent: 51349 (1865-12-01), Powell
patent: 2033371 (1936-03-01), Benaggio
patent: 3453655 (1969-07-01), Quinones et al.
patent: 3454264 (1969-07-01), Sarto
patent: 4087492 (1978-05-01), Onishi et al.
patent: 4097561 (1978-06-01), Seki et al.
patent: 4120918 (1978-10-01), Codling

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