Coupling device for fluids and its application to the measurement of levels and the storage of liquids

摘要

The invention relates to a coupling device for fluids of the kind employed, for example, in coupling together a level-measuring apparatus and a tank of cryogenic liquid, and enabling all errors of operation to be prevented. It also relates to a measuring device constituted by the fluid-coupling device and the measuring apparatus, and also a device constituted by a tank of cryogenic liquid equipped with a measuring device of this kind.