Rocket engine propellant feeding and control system

Abstract

Abstract 1. A PROPELLANT FEEDING AND CONTROL SYSTEM FOR A ROCKET ENGINE HAVING A COMBUSTION CHAMBER AND A REACTION NOZZLE SURROUNDED BY A VAPORIZING JACKET, AND FUEL AND OXIDIZER INJECTORS TO SUPPLY PROPELLANT TO THE COMBUSTION CHAMBER, COMPRISING: A FIRST PROPELLANT SUPPLY LINE INCLUDING A FIRST PUMP MEANS CONNECTED WITH SAID FUEL INJECTOR, A SECOND PROPELLANT SUPPLY LINE INCLUDING A SECOND PUMP MEANS CONNECTED WITH SAID OXIDIZER INJECTOR, ONE OF SAID PROPELLANT SUPPLY LINES INCLUDING SAID VAPORIZING JACKET, TURBINE MEANS DRIVINGLY CONNECTED WITH SAID FIRST AND SAID SECOND PUMP MEANS, AND BEING DISPOSED IN SAID PROPELLANT SUPPLY LINE WHICH INCLUDES THE VAPORIZING JACKET, BETWEEN SAID VAPORIZING JACKET AND THE INJECTOR, IN SAID PROPELLANT SUPPLY LINE, WHEREBY SAID TURBINE MEANS AND SAID PUMP MEANS ARE DRIVEN BY VAPORIZED PROPELLANT, AT LEAST THE PUMP MEANS CONNECTED WITH SAID VAPORIZING JACKET SUPPLYING A CRYOGENIC PROPELLANT, A FIRST CONTROL VALVE MOVABLE TO A PROPELLANT FLOW CUT-OFF POSITION IN SAID FIRST SUPPLY LINE ADJACENT SAID FUEL INJECTOR, A SECOND CONTROL VALVE MOVABLE TO A PROPELLANT FLOW CUT-OFF POSITION IN SAID SECOND SUPPLY LINE ADJACENT SAID OXIDIZER INJECTOR, AND A TRAP VALVE, MOVABLE TO A PROPELLANT FLOW CUT-OFF POSITION, IN SAID PROPELLANT SUPPLY LINE INCLUDING THE VAPORIZING JACKET, SAID TRAP VALVE AND SAID CONTROL VALVES BEING DISPOSED DOWNSTREAM FROM THE PUMP MEANS IN THEIR RESPECTIVE SUPPLY LINES, AND THE VAPORIZING JACKET AND TURBINE MEANS BEING DISPOSED BETWEEN THE TRAP VALVE AND A CONTROL VALVE, WHEREBY CRYOGENIC PROPELLANT IN SAID SUPPLY LINE BETWEEN SAID TRAP VALVE AND SAID CONTROL VALVE THEREIN, WHEN SAID VALVES ARE CLOSED, IS IN A VAPORIZED STATE.

Inventors

• 👤 Robert N Abild

Bibliographic Details