Fluid handling – Systems – Tank with internally extending flow guide – pipe or conduit
Patent
1979-05-29
1980-12-09
Cline, William R.
Fluid handling
Systems
Tank with internally extending flow guide, pipe or conduit
137152, 137350, B65D 8724
Patent
active
042379288
ABSTRACT:
In accordance with the present invention, a low profile, tapered siphon pipe sump is provided including a sump portion located below an opening in the tank bottom and extending below the tank bottom and a tapered portion extending longitudinally in both directions from the sump portion. The sump portion includes a sump opening sufficiently deep to readily unload through a siphon pipe the remaining portion of the lading in the tank, sufficiently deep to enable the siphon pipe to telescope therein when the tank top moves downwardly relative to the tank bottom during coupling impacts, and is also sufficiently wide and deep to enable a rubber spider siphon pipe guide normally used in rubber lined tank cars to position and anchor itself in the sump. This invention is also adaptable to unlined tank cars. The tapered portion extends from the bottom of the sump portion longitudinally of the tank in both directions. The tapered portion is tapered upwardly from the sump portion to a tapered end portion engaging the bottom of the tank. The tapered portion preferably extends three (3) longitudinal units for each vertical unit that the tapered portion extends below the tank bottom.
REFERENCES:
patent: 1894655 (1933-01-01), Auchincloss
patent: 2174354 (1939-09-01), Shields
patent: 4114783 (1978-09-01), Wempe et al.
patent: 4180242 (1979-12-01), Reedy
patent: 4184511 (1980-01-01), Wilson
patent: 4184663 (1980-01-01), Rollins et al.
ACF Industries Incorporated
Cline William R.
Cummings Henry W.
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