초록 ▼

An automatic system is disclosed for obtaining and maintaining a controlled volume of solution above a body of soluble solid in a container by the automatic addition of solvent. The apparatus includes a sensor for sensing the distance between the upper surface of the soluble solid in the container a

An automatic system is disclosed for obtaining and maintaining a controlled volume of solution above a body of soluble solid in a container by the automatic addition of solvent. The apparatus includes a sensor for sensing the distance between the upper surface of the soluble solid in the container and a point on a float which floats in the solution produced by the action of the solvent on the soluble solid. Solvent is added when this distance reaches a predetermined value and solvent addition ceases when the distance increases to a second predetermined value. Most advantageously, the container will be the same one used to ship the soluble solid.

대표청구항 ▼

An apparatus for producing a solution of a soluble solid in a container which comprises: a float adapted to fit within the container without binding; a solvent inlet mounted on the float for admitting solvent for the soluble solid to the underside of the float; a solution outlet mounted on the float

An apparatus for producing a solution of a soluble solid in a container which comprises: a float adapted to fit within the container without binding; a solvent inlet mounted on the float for admitting solvent for the soluble solid to the underside of the float; a solution outlet mounted on the float for withdrawing by remote means the solution on which the float is floating produced by the action of the solvent on the soluble solid; a sensor for sensing the distance between the upper surface of the soluble solid in the container and a point on the float which floats in the solution produced by the action of the solvent on the soluble solid; a valve responsive to the sensor for admitting solvent through the solvent inlet from a remote supply of solvent so as to maintain between predetermined limits the distance between the float and the surface of the soluble solid in the container which is exposed to the solvent; and, fluid conduction means connecting the solvent inlet and the valve.