Method and apparatus for production of powders

US5738830A · kind A · utility

Assignee

• The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · US

Inventors

• Joel M. Stoltzfus · Mesilla Park, US
• Subhasish Sircar · Richmond, US

Key dates

• Filing date: Jan 17, 1997
• Grant date: Apr 14, 1998
• Expiry date: Jan 17, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B13/324
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Apparatus and method are disclosed for producing oxides of metals and of metal alloys. The metal or alloy is placed in an oxygen atmosphere in a combustion chamber and ignited. Products of the combustion include one or more oxides of the metal or alloy in powdered form. In one embodiment of the invention a feeder is provided whereby material to be oxidized by combustion can be advanced into a combustion chamber continuously. A product remover receives the powder product of the combustion.