Measuring and testing – Measuring vessel
Patent
1978-08-28
1980-04-08
Swisher, S. Clement
Measuring and testing
Measuring vessel
331264R, 734254R, G01N 110, G01N 114
Patent
active
041966279
ABSTRACT:
A method and apparatus for obtaining a sample of liquid, e.g. water, from near the bottom of a liquid-filled container, e.g. a crude or other refined oil-filled cargo tank. The method utilizes a sampling apparatus comprising a conduit, closable at its upper end, which is attached to a water-sounding bob to be lowered therewith. When the bob is on the bottom of the tank, and the conduit is thus positioned as desired above the bottom, the conduit is opened to permit the liquid at the depth being sampled to flow upward in the conduit to a level approximately equal to the liquid level in the tank. A suction is then applied to the upper end of the conduit to recover this bottom sample. The conduit is normally stored on a reel which is also used to raise and lower the conduit and a hand-held pump is used to apply the suction. This makes the apparatus portable, totally self-contained and readily available when needed.
REFERENCES:
patent: 1511591 (1924-10-01), Colligan
patent: 1705121 (1929-03-01), Jones
patent: 2593830 (1952-04-01), Baker
patent: 3062056 (1962-11-01), Wicoff
patent: 3129513 (1964-04-01), Porter
patent: 3555170 (1971-01-01), Petzetakis
Corr Denis E.
Faulconer Drude
Huggett C. A.
Mobil Oil Corporation
Swisher S. Clement
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