Exhaust nozzle for rocket motors

TL;DR: In this article, the authors propose a means for increasing the operating time of a rocket motor by adding a nozzle in the wall of the combustion chamber, or by generating within the combustion gas.

Abstract: My invention pertains to rocket motors and more particularly to means for increasing the operating time of rocket motors. In general a rocket motor comprises a combustion chamber, a nozzle in the wall of the combustion chamber, and means for generating within the combustion chamber gas, or...