Ullage gage

Details Ullage gage Ullage gage

1977-04-12

1978-07-11

Swisher, S. Clement

Geometrical instruments

Area integrators

Electrical

G01F 2300

Patent

active

040993329

ABSTRACT:
An ullage gage for directly and accurately measuring the ullage of a cargo tank of a vessel such as an oil tanker without the necessity of opening the tank. The gage is comprised of a calibrated sword which is affixed to the underside of a cover plate which also contains a viewport for viewing the sword. The cover plate sealingly covers a service opening in the tank. The first calibration mark on the sword coincides with the underside of the deck of the vessel and has a value equal to the actual vertical distance from the lip of the ullage hatch to the underside of the deck at a point adjacent the gage. An adjustable means is provided to adjust the sword with relation to the cover plate to compensate for different deck thicknesses and/or deck camber of the vessel.

REFERENCES:
patent: 1264143 (1918-04-01), Bennett
patent: 2027145 (1936-01-01), Beebe
patent: 2596897 (1952-05-01), Haatvedt

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