Gas and liquid contact apparatus – Fluid distribution – Valved
Patent
1979-12-21
1981-07-07
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Valved
123DIG11, 261 51, 261DIG20, 261DIG74, 261121B, 261DIG2, F02M 302
Patent
active
042774241
ABSTRACT:
Disclosed is a carburetor for internal combustion engines having mechanism substantially to eliminate the effect on the engine of carburetor ice. When ice builds on the downstream face of the butterfly valve, on the side adjacent the idle jet, there is such a reduction of pressure at the mouth of the idle jet as to cause fuel starvation in the main jet, thus causing improper fuel air ratios or engine failure. To overcome this, mechanism is provided to vent the idle jet passage to atmosphere whenever the butterfly valve is in position for the main jet to become the primary source of fuel supply. Further, by venting the idle jet as indicated, the presence of ice on the butterfly valve will not produce the heretofore over-rich or lean mixtures, found to exist. Furthermore, such venting is useful for preventing dieseling in automobile engines.
REFERENCES:
patent: 2410564 (1946-11-01), Bicknell
patent: 3265373 (1966-08-01), Walker et al.
patent: 3547089 (1970-12-01), Pierlot
patent: 3618581 (1971-11-01), Simonet
patent: 3741188 (1973-06-01), Rickey
patent: 3795237 (1974-03-01), Denton
patent: 4050436 (1977-09-01), Crabtree
patent: 4096213 (1978-06-01), Danger
patent: 4124662 (1978-11-01), Morita
patent: 4129620 (1978-12-01), Etoh
Miles Tim R.
Thompson Jr. Woodford R.
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