Rocket motor system

Claim 1

A CAPSULE ASSEMBLY FOR INJECTING AN IGNITOR CHEMICAL INTO A ROCKET ENGINE THROUGH AN INJECTOR, SAID CAPSULE ASSEMBLY COMPRISING A PLATE HAVING A SURFACE FOR ENGAGING SAID INJECTOR, A PROTUBERANCE EXTENDING FROM SAID PLATE, SAID PROTUBERANCE HAVING A FIRST PASSAGE EXTENDING THERETHROUGH, A NOZZLE MOUNTED ON SAID PROTUBERANCE FOR EXTENDING THROUGH SAID INJECTOR, SAID NOZZLE HAVING A SECOND PASSAGE EXTENDING THERETHROUGH IN SUBSTANTIAL ALIGNMENT WITH SAID FIRST PASSAGE, A HOUSING SECURED TO SAID PLATE ON THE OPPOSITE SIDE THEREOF FROM SAID PROTUBERANCE FOR CONTAINING SAID IGNITOR CHEMICAL, A FRANGIBLE DISC MOUNTED BETWEEN SAID NOZZLE AND SAID PROTUBERANCE FOR CLOSING SAID FIRST AND SECOND PASSAGES, A MOVABLE WALL WITHIN SAID HOUSING ON THE OPPOSITE SIDE OF SAID IGNITOR CHEMICAL FROM SAID PLATE, A PLUNGER FOR RUPTURING SAID DISC, MEANS FOR MOVING SAID WALL AND SAID PLUNGER SIMULTANEOUSLY TOWARD SAID PLATE WHEREBY SAID PLUNGER RUPTURES SAID DISC AND SAID IGNITOR CHEMICAL IS EJECTED THROUGH SAID FIRST AND SECOND PASSAGES, SAID PLUNGER HAVING A TAPERED PORTION FOR SEATING ENGAGEMENT WITH THE ENTRANCE TO SAID FIRST PASSAGE FOR SEALING THE SAME WHEN SUBSTANTIALLY ALL OF SAID IGNITOR CHEMICAL HAS BEEN EJECTED, AND MEANS FOR MAINTAINING SAID TAPERED PORTION IN SEATING ENGAGEMENT WITH SAID ENTRANCE TO SAID FIRST PASSAGE.