Accession Number : ADD011784

Title :   Small Cartridge Heater.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Merritt,F L ; Taylor,C H

Report Date : 09 Apr 1985

Pagination or Media Count : 5

Abstract : A cylindrical core of a ceramic such as alumina (A12O3) has grooves in the form of a double lead thread. A coil of Nichrome V is placed in the grooves, starting in one lead of the thread and returning in the other. A coil of Nichrome V is placed in the grooves, starting in one lead of the thread and returning in the other. A split ring of a ceramic such as beryllia surrounds the core. The heater is enclosed in a housing of a metal such as Inconel 600. The entire cartridge is only one inch long and 3/16 inch diameter. It is used as a catalyst bed heater for a satellite thruster.

Descriptors :   *PATENTS, *PROPULSION SYSTEMS, *THRUSTERS, *HEATING ELEMENTS, *ROCKET COMPONENTS, CATALYSTS, BEDS(PROCESS ENGINEERING), SPACECRAFT, HEAT TRANSFER, MONOPROPELLANTS, SPACE PROPULSION, HEATERS, CYLINDRICAL BODIES, WIRE, COILS, CARTRIDGES, CERAMIC MATERIALS, HOUSINGS, NICKEL ALLOYS, CHROMIUM ALLOYS, LIQUID PROPELLANT ROCKET ENGINES

Subject Categories : Ceramics, Refractories and Glass
      Rocket Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE