Carburetor fuel bowl vent control

Gas and liquid contact apparatus – Fluid distribution – Pumping

Patent

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Details

261 72R, 261DIG67, 123198D, 180104, F02M 502

Patent

active

040629104

ABSTRACT:
The carburetor fuel bowl has a vapor vent hole closed by a manifold vacuum opened valve to prevent fuel spillage during vehicle rollover. During engine operation with low vacuum, the accelerator pump mechanically inhibits closure of the vent valve.

REFERENCES:
patent: 1669786 (1928-05-01), Schwalbenberg
patent: 2752136 (1956-06-01), Gardner
patent: 2851259 (1958-09-01), Olson
patent: 3058728 (1962-10-01), Ruth
patent: 3110749 (1963-11-01), Marsee
patent: 3191585 (1965-06-01), Craft
patent: 3273871 (1966-09-01), Winkler
patent: 3368326 (1968-02-01), Hervert
patent: 3460522 (1969-08-01), Kittler et al.
patent: 3852381 (1974-12-01), Mick

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