Patent ID: 6138451
Filing Date: 2000-10-31
Classification: F02K,F05D,Y10T

Abstract:
A rocket engine, comprisinga combustion chamber comprisingan annular wall with a wall inner surface and a wall outer surface, the annular wall having a wall length and being made of an annular wall material,an annular insert made of an annular insert material that is of substantially the same thermal expansion coefficient as the annular wall material, the annular insert havingan insert outer surface sized to fit within and contact the wall inner surface in a faying relationship along less than the wall length, andan insert inner surface, anda first weld joint between the annular wall and the annular insert;an injector; andan attachment between the combustion chamber and the injector, the attachment comprising:an annular metallic deposit bonded to the combustion chamber,an annular adaptor ring,a second weld joint between the adaptor ring and the metallic deposit, anda third joint between the adaptor ring and the injector.