ALUMINUM SLURRY COATINGS AND METHODS OF THEIR FORMATION AND USE

    公开(公告)号:US20240075527A1

    公开(公告)日:2024-03-07

    申请号:US18507267

    申请日:2023-11-13

    Abstract: Methods for reducing a concentration of hexavalent chromium within a first aluminum slurry by adding a reducing agent to form a second aluminum slurry are provided. The reducing agent causes a chemical reduction reaction with the hexavalent chromium compound of the first aluminum slurry to form a trivalent chromium compound within the second aluminum slurry such that a first weight ratio of hexavalent chromium to trivalent chromium in the first aluminum slurry is decreased to a second weight ratio of hexavalent chromium to trivalent chromium in the second aluminum slurry, with the second weight ratio being less than the first weight ratio.

    Systems and methods for removing heat from aircraft components

    公开(公告)号:US11753178B2

    公开(公告)日:2023-09-12

    申请号:US16681292

    申请日:2019-11-12

    CPC classification number: B64D37/34 B64C1/38 B64D33/08 F02C7/224

    Abstract: A system for removing heat from an aircraft component includes: a heat exchanger in proximity to an aircraft component and having an inlet, an outlet, and an internal surface coated with a catalyst; a source of hydrocarbon fuel in fluid communication with the inlet of the heat exchanger; a source of oxygen in fluid communication with the inlet of the heat exchanger; and a distribution system. A method of removing heat from an aircraft component includes providing a heat exchanger in proximity to an aircraft component, the heat exchanger being in fluid communication with a source of hydrocarbon fuel and a source of water and having an internal surface coated with a catalyst; introducing a hydrocarbon fuel into the heat exchanger; introducing oxygen into the heat exchanger; contacting the hydrocarbon fuel with the catalyst; and cracking the hydrocarbon fuel.

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