Accession Number : ADD012749

Title :   Shielded Insulation for Combustion Chamber.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s) : Adams,Ellsworth C

Report Date : 13 Feb 1987

Pagination or Media Count : 15

Abstract : In an uncooled engine, it is proposed to form insulator coatings on the combustion chamber surfaces, and to mechanically protect such coatings against erosion or cracking by means of outer protective layers applied over the insulator coatings. The insulator coatings can be zirconium oxide applied to a thickness of approximately .15 inch. The protective layers can be formed of various materials resistant to high temperatures in the vicinity of 2000 F, e.g. silicon nitride, steel or cast iron.

Descriptors :   *PATENT APPLICATIONS, *THERMAL INSULATION, *HEAT RESISTANT MATERIALS, CASTINGS, COATINGS, COMBUSTION CHAMBERS, CRACKS, ENGINES, EROSION, EXTERNAL, HIGH TEMPERATURE, INSULATION, IRON, LAYERS, PROTECTIVE COATINGS, SHIELDING, SILICON NITRIDES, SURFACES, THICKNESS, ZIRCONIUM OXIDES, EROSION RESISTANCE, WEAR RESISTANCE, INTERNAL COMBUSTION ENGINES

Subject Categories : Coatings, Colorants and Finishes
      Reciprocating and Rotating Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE