Particle coating method
AssigneeUniversity of Limerick
InventorsLuis Padrela, Kevin Ryan
Life of this patent
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Abstract
A method of producing a particle coating on one or more items is provided. The method comprises mixing a supercritical fluid with a solution comprising dissolved material for forming particles. The method further comprises spraying the mixture into a precipitation chamber (316) to precipitate particles, wherein the chamber is at a pressure below a supercritical pressure of the supercritical fluid. The method comprises conveying items to be coated from an inlet of the chamber to an outlet of the chamber. The method also comprises capturing the precipitated particles on items within the chamber.
Claims19
A method of producing a particle coating on one or more items, the method comprising:
- mixing a supercritical fluid with a solution comprising dissolved material for forming particles;
- spraying the mixture into a precipitation chamber to precipitate particles, wherein the chamber is at a pressure below a supercritical pressure of the supercritical fluid;
- conveying items to be coated from an inlet of the chamber to an outlet of the chamber by gravity feeding items to be coated into the chamber using a hopper;
- and
- capturing the precipitated particles on items within the chamber.
An apparatus for producing a particle coating on one or more items, the apparatus comprising:
- a chamber;
- at least one nozzle configured to spray a mixture of supercritical fluid and a solution comprising dissolved material for forming particles into the chamber;
- wherein the chamber is configured to be held at a pressure below a supercritical pressure of the supercritical fluid;
- and
- a hopper configured to feed items to be coated into the chamber.
Dependencies are inferred from the claim text.