Accession Number : ADD008625

Title :   Cooling System for Ramjet Engine.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Bergsten,M Brian

Report Date : 30 Jun 1981

Pagination or Media Count : 3

Abstract : This invention relates to a ramjet powered vehicle having a bleed slot in the subsonic diffuser, for the ramjet combustor, which supplies air to a turbine for supplying power to vehicle accessories. A vortex tube is provided between the bleed slot and the turbine to provide a cool air supply. Radar absorbing material is positioned adjacent ramjet inlet with a cooling duct provided to supply cooling air from the vortex tube to the ramjet inlet cowl lip to provide cooling for the radar absorbing material.

Descriptors :   *Patents, *Ramjet inlets, *Air cooled, *Radar absorbing materials, *Ramjet engines, Cooling, Bleed systems, Slots, Supersonic diffusers, Ducts, Combustors, Gas turbines, Auxiliary power plants, Inventions

Subject Categories : Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE