Fluid handling – Systems – Tank with internally extending flow guide – pipe or conduit
Patent
1978-05-12
1980-08-26
Cline, William R.
Fluid handling
Systems
Tank with internally extending flow guide, pipe or conduit
137125, 137350, B61D 500
Patent
active
042190479
ABSTRACT:
An eduction pipe and sump arrangement which does not require a skid includes an eduction pipe extending down from the top of the car and terminating a sufficient distance above the tank bottom to accommodate tank flexure. A sump is formed in the tank bottom directly below the eduction pipe. The sump is contoured such that there is no sump projection below the tank bottom in excess of one inch (1"). A guide pipe is attached to the interior of the tank bottom over the sump. The eduction pipe extends within the guide pipe. A ring is welded inside the guide pipe to provide centering for the eduction pipe and a load path for longitudinal and lateral forces induced by lading surging, and inertia of the eduction pipe. An elastomeric boot seal assembly including an elastomeric boot has one end attached to the eduction pipe and the other end attached to the guide pipe by hose clamps or other appropriate fasteners to seal the eduction pipe with respect to the interior of the tank. The eduction pipe is spaced inwardly from the inner wall of the guide pipe sufficiently that the elastomeric boot cannot be pinched or otherwise damaged by the telescoping action of the pipes. The sump slot formed in the tank bottom may be elongated, and the guide pipe may straddle the slot in one direction. In the other direction the slot may be longer than the guide pipe. Thus a channel for flow of commodity is created at each end of the slot sump. Preferably the slot is elongated longitudinally of the tank.
REFERENCES:
patent: 1748185 (1930-02-01), Nichols et al.
patent: 1868799 (1932-07-01), Kramer
patent: 1894655 (1933-01-01), Auchincloss
patent: 2174354 (1939-09-01), Shields
patent: 2223480 (1940-12-01), Darling
patent: 3688523 (1972-09-01), Schafer
patent: 4114783 (1978-09-01), Wempe et al.
ACF Industries Incorporated
Cline William R.
Cummings Henry W.
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