Electrospray vortical flow exchanger

Patent metadata

Field	Value
Publication number	US-11951439-B2
Application number	US-202217738490-A
Country	US
Kind code	B2
Filing date	May 6, 2022
Priority date	Sep 27, 2019
Publication date	Apr 9, 2024
Grant date	Apr 9, 2024

Abstract

An air conditioning device includes an inlet plenum to receive input air, a sprayer to charge at least one of a plurality of liquid droplets generating at least one charged liquid droplet and to release the charged liquid droplet into air rotating vortex, moving the input air within a spray chamber, to cause the charged liquid droplet to attract and attach a vapor molecule of the input air separating the molecule from the input air, a separation chamber to cause the liquid droplet with the attached vapor molecule to separate from the vortex to condense and collect as liquid, and an air outlet to direct, away from the air conditioning device, output air including air remaining following the separation, from the vortex, of the liquid droplet with the attached vapor molecule, where a first humidity of the output air is less than a second humidity of the input air.

First claim

The invention claimed is:

1. A dehumidification device comprising:
a spray chamber configured to receive input air and rigorously agitate the received input air, wherein the input air includes vapor molecules; and
a sprayer operatively coupled to the spray chamber and configured to release at least one charged liquid droplet into the received input air to cause the at least one charged liquid droplet to attract at least one vapor molecule of the received input air, such that the at least one vapor molecule attaches to the charged liquid droplet and separates from the received input air generating output air having a first humidity less than a second humidity of the received input air, wherein the liquid droplet with the attached vapor molecule condenses and collects as liquid, wherein the liquid is recirculated to the sprayer to be charged and released into the rigorously agitated air;
wherein the sprayer includes a high-voltage electrode configured to charge the liquid droplet, and wherein the liquid droplet is separated from an input liquid received by the high-voltage electrode;
wherein the high-voltage electrode defines a hollow interior and is configured to receive the input liquid therewithin;
wherein the high-voltage electrode is surrounded by and enveloped in an input gas.

2. The dehumidification device of claim 1 , wherein the liquid droplet is a micrometer-sized liquid droplet.

3. The dehumidification device of claim 1 , wherein the high-voltage electrode is enveloped in the input liquid from which the liquid droplet is separated.

4. A method for operating a dehumidification device, the method comprising:
receiving input air including vapor molecules and moving the received input air in an air rotating vortex; and
releasing a charged liquid droplet into the air rotating vortex to cause the charged liquid droplet to attract at least one vapor molecule, such that the at least one vapor molecule attaches to the charged liquid droplet and separates from the input air to generate output air having a first humidity that is less than a second humidity of the input air,
wherein the charged liquid droplet with the attached vapor molecule condenses and collects as liquid, and wherein the liquid is recirculated to be charged and released into the air rotating vortex,
wherein the charged liquid droplet is generated from input liquid using a high-voltage electrode, and
wherein the high-voltage electrode is surrounded by and enveloped in an input gas.

5. The method of claim 4 , wherein a first temperature of the output air is less than a second temperature of the input air.

6. The method of claim 4 , wherein the input liquid is water.

7. The method of claim 4 , wherein the air rotating vortex moves the received input air within a passage.

8. A dehumidification device comprising:
a spray chamber having sidewalls that define a plurality of apertures, each aperture configured to receive a spray nozzle that protrudes into the spray chamber, each spray nozzle configured to release a plurality of charged liquid droplets into input air, wherein the input air includes vapor molecules, within interior of the spray chamber to cause each of the plurality of charged liquid droplets to attract at least one vapor molecule from the input air, such that the at least one vapor molecule attaches to the charged liquid droplets and separates from the input air to generate output air, wherein at least one of (i) a first humidity of the output air is less than a second humidity of the input air and (ii) a first temperature of the output air is less than a second temperature of the input air;
wherein the spray nozzles are an electrospray device;
wherein each spray nozzle includes a high-voltage electrode configured to charge a plurality of liquid droplets to generate the charged liquid droplets;
wherein each spray nozzle defines a hollow interior configured to receive input liquid including the plurality of liquid droplets,
wherein each spray nozzle is surrounded by an input gas.

9. The dehumidification device of claim 8 , wherein the charged liquid droplets are charged to a maximum threshold level for the electric charge as defined by a physic quantity known as the Rayleigh limit.

10. The dehumidification device of claim 8 , wherein each spray nozzle is enveloped by the input liquid.

11. The dehumidification device of claim 10 , further comprising a separation chamber configured to cause the plurality of charged liquid droplets with the attached vapor molecules to condense and collect as liquid.

12. The dehumidification device of claim 11 , wherein the collected liquid is recirculated to each of the spray nozzles as the input liquid.

Assignees

• Univ Auburn

Inventors

• Cremaschi Lorenzo

Classifications

• B01D53/323 Primary

  by electrostatic effects or by high-voltage electric fields · CPC title

• B01D45/16

  generated by the winding course of the gas stream {, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes} · CPC title

• B01D53/263

  by absorption · CPC title

• B04C5/103

  Bodies or members, e.g. bulkheads, guides, in the vortex chamber (cores B04C5/107) · CPC title

• B04C9/00

  Combinations with other devices, e.g. fans, {expansion chambers, diffusors, water locks}(with filters B01D50/00) · CPC title