George F Gill

US Patent:

44346140, Mar 6, 1984

Filed:

Apr 9, 1982

Appl. No.:

6/366985

Inventors:

George Gill - Las Vegas NV
Alain Souchier - Bonnieres S/Seine, FR
Georges Dorville - Tourny, FR

International Classification:

F02K 108

US Classification:

60271

Abstract:

The present invention relates to a combustion chamber in a rocket propulsion system comprising a combustion enclosure and a nozzle for ejection of the gases produced in the combustion enclosure, the divergent portion of the nozzle comprises an outer divergent portion connected to the throat of the nozzle and at least one inner divergent portion of which the exit section is smaller than that of the outer divergent portion and which is fitted in the outer divergent portion and connected thereto by connecting means associated with means for selectively destroying said connecting means to allow automatic separation and ejection of the inner divergent portion at a predetermined instant of functioning of the combustion chamber corresponding to a predetermined altitude of the rocket propulsion system.