US 12,595,780 B2 · Johnson ejector water and power generator

Abstract

An atmospheric water vapor extraction power generation device includes a hygroscopic solution, a hygroscopic solution reservoir, a circulation pump, a water vapor permeable barrier, a second evaporation heat exchanger, a first condensation heat exchanger, a steam ejector, a pressurized water driven generator, and condensed water reservoir. The pump supplies pressurized water flow thermally coupled to hygroscopic solution contained within reservoir. The hygroscopic solution absorbs moisture from ambient air through water vapor permeable barrier with the absorption of water, the hygroscopic solution decreases in density which causes it to rise towards the top of reservoir. Heat of ambient humidity condensation into the hygroscopic solution is coupled by second evaporation heat exchanger to the water contained within conduit. The heat of condensation of ambient humidity into solution is used as heat of evaporation of water contained within conduit to generate steam.

Claims17

Dependent claims

A freshwater generator comprising:

a hygroscopic solution;
an ejector;
a water permeable barrier, and
a supply of steam,
wherein the hygroscopic solution is circulating between the water permeable barrier and the ejector, whereby the hygroscopic solution absorbs moisture through the water permeable barrier and releases the moisture to the ejector, the ejector being driven by the supply of steam to extract a water vapor from the hygroscopic solution, and the water permeable barrier permitting freshwater to enter into the hygroscopic solution while preventing a passage of the hygroscopic solution therethrough.

2 more elements

A freshwater generation comprising:

an ejector;
a pressure exchanger;
a supply of steam;
a hygroscopic solution;
a pressure retarded osmosis barrier, and
a pressurized water flow driven electric power generator,
wherein the hygroscopic solution is circulating between the pressure retarded osmosis barrier and the ejector, whereby the pressure osmosis barrier extracts moisture through the pressure retarded osmosis barrier and releases the moisture to the ejector, the ejector being driven by the supply of steam to extract a water vapor from the hygroscopic solution, a water permeable barrier permitting water enter into the hygroscopic solution from while preventing a passage of the hygroscopic solution therethrough, the pressure exchanger and the pressurized water flow driven electric power generator being coupled between the ejector with a solution pressure differential being applied across both the pressure exchanger and the pressurized low driven electric power generator, the water permeable barrier supplying water to the higher pressure side of the pressurized water flow driven electric power generator and the pressure exchanger, condensing into the hygroscopic solution increases the volume thereof to a level sufficient to maintain the pressure differential an generate electrical power.

4 more elements

Dependencies are inferred from the claim text.

Johnson ejector water and power generator

Life of this patent

Johnson ejector water and power generator

Life of this patent

Abstract

Claims17