Gas and liquid contact apparatus – Fluid distribution – Liquid supply tank
Patent
1981-10-13
1982-10-05
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Liquid supply tank
261DIG67, 137871, F02M 508
Patent
active
043527639
ABSTRACT:
A vent changeover device for carburetors comprising two working ends provided on a piston rod of a piston moving in a suction chamber, one of which constitutes a rod end of the piston and the other of which constitutes an angle member joined to an end portion of the piston rod, an inner valve being actuated by the angle member so as to open and close an inner vent, an outer valve being actuated by the rod end so as to open and close an outer vent and disposed so as to face in a direction opposite to the direction in which the inner valve faces, and springs biasing the inner and outer valves, respectively, in vent-closing directions, the vents communicating with the fuel bowl via the respective valves, the inner and outer valves being adapted to be actuated in accordance with the movement of the piston rod such that when one of the valves is opened, the other is closed, the inner vent being opened only when the engine is rotated, and the outer vent being opened only when the engine is stopped.
REFERENCES:
patent: 2530942 (1950-11-01), Drow
patent: 2771282 (1956-11-01), Olson et al.
patent: 3093124 (1963-06-01), Wentworth
patent: 3273871 (1966-09-01), Winkler
patent: 3460522 (1969-08-01), Kittler et al.
patent: 3548797 (1970-12-01), Hagihara et al.
patent: 4157366 (1979-06-01), Ruth et al.
patent: 4181154 (1980-01-01), Oley et al.
Morino Toshiharu
Yamada Nobuo
Aisan Industry Co. Ltd.
Miles Tim R.
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