A gas ionizable to produce a plasma is introduced into an arcjet whose design includes integration of performance enhancing components in a complimentary manner to significantly improve arcjet performance and capabilities. Major integrated design features include an energy recovery chamber, heat exchanger...http://www.google.de/patents/US5640843?utm_source=gb-gplus-sharePatent US5640843 - Integrated arcjet having a heat exchanger and supersonic energy recovery chamber
