FIELD: storage of fuels and oils in stores and bases. SUBSTANCE: device to prevent evaporation losses is installed inside reservoir for oil products in its middle portion by means of split joint. Evaporation losses preservation device made in the form of a paraboloid of rotation is manufactured of material with low coefficient of flexibility. Mounted on top of device is tube whose upper base is hermetically closed and connected with spring-loaded traction device, and inner space is connected with flexible tube to pick up surface pressure under device. Second end of the tube is secured on movable disc installed for rotation relative to hollow rod. Other end of hollow rod is installed in hole of fixed disc, this hole being connected through shutoff valve with hydrostatic liquid level measuring device arranged in reservoir. EFFECT: simplified design, enlarged operating capabilities owing to indication of maximum fuel level in reservoir. 2 dwg
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Authors
Dates
1996-11-10—Published
1992-03-02—Filed