Patent ID: 6134781
Filing Date: 2000-10-24
Classification: B23P,F02K,Y10T

Abstract:
A method for making a throat insert for a rocket engine having a housing therein, the method comprising the steps of;fabricating a preform of a material having a high yield strength and a high oxidation resistance, die preform having contours;positioning fillers around the preform;assembling the preform and the fillers in a housing to create an in-process assembly;heating the assembly such that the fillers become molten and conform with and wet the contours of the preform;cooling the assembly such flat the fillers solidify and are formed with and adhere to the preform; andforming machining operations upon the assembly to produce the throat insert, the preform forming a thin walled shell of the throat insert and the fillers forming a casing of the throat insert.