L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des

Pierre Delacour

Roger Prost

Gerard Mondain-Monval

The mixture is produced in the liquid state by first of all introducing in a reservoir (2) the most volatile substance in the liquid state and then circulating in a coiled tube (6) immersed in this liquid the other or each of the other substances in the liquid state before causing it to fall in the form of a spray in the reservoir. Application in the obtainment of reconstituted air.

Process and apparatus for obtaining a mixture of substances having low

The liquid is drawn from this vessel through a coiled tube (20) provided with a calibrated valve (21) at its inlet. The resulting drop in pressure is compensated for by means of a pressure raising circuit (27). Application in the storage of liquefied air.

Vessel for a cryogenic mixture and a process for drawing off the liquid

The device comprises a reservoir having a double wall 4-5 with an inlet pipe 24 having a valve 31 whose movable valve member 30 is connected to a float 35 and a drawing-off pipe 41 having a valve 45 whose valve member 50 is connected to a control rod 52. The drawing-off valve 45 is placed in the thermal insulation space of the reservoir. Application in the distribution of low and usually intermittent flows of cryogenic liquids and in particular nitrogen or argon for rendering inert pouring jets employed in metallurgy.

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Noyaret, France

Pierre Delacour