Closed cycle torpedo power plant

Claim 1

A TORPEDO COMPRISING AN OUTER CYLINDRICAL HULL, A COMBUSTION CHAMBER WITHIN SAID HULL ADAPTED TO PROVIDE PRODUCTS OF COMBUSTION, A BOILER WITHIN SAID HULL DISPOSED IN HEAT EXCHANGE RELATION TO SAID COMBUSTION CHAMBER, COMMUNICATING MEANS FOR EXHAUSTING SAID PRODUCTS OF COMBUSTION TO AMBIENT WATER AFTER PASSING IN HEAT EXCHANGE RELATION TO SAID BOILER, MEANS FOR SUPPLYING SAID BOILER WITH CONDENSATE, MEANS COMMUNICATING SAID BOILER WITH A STEAM ENGINE ADAPTED TO PROVIDE POWER FOR PROPELLING THE TORPEDO, A STEAM CONDENSER COMMUNICATING WITH SAID STEAM ENGINE ADAPTED TO CONDENSE EXHAUST FROM SAID STEAM ENGINE INTO SAID CONDENSATE, SAID OUTER HULL FORMING A WALL OF SAID CONDENSER AND ADAPTED TO CONDUCT HEAT FROM SAID EXHAUST STEAM TO AMBIENT WATER, A TUBE CLOSED AT OPPOSITE ENDS THEREOF AND DISPOSED WITHIN SAID HULL FORMING AN ANNULAR SPACE BETWEEN ITS OUTER SURFACE AND THE INNER SURFACE OF SAID HULL, SAID ANNULAR SPACE FORMING A PART OF SAID CONDENSER, AND A SOLID PROPELLANT GRAIN DISPOSED WITHIN SAID TUBE, THE SPACE WITHIN SAID TUBE FORMING SAID COMBUSTION CHAMBER IN WHICH SAID PRODUCTS OF COMBUSTION ARE FORMED.