Solid propellant gas rotary valve

Claim 1

A VALVE ASSEMBLY ADAPTED TO CONTROL THE FLOW OF EXTREMELY HOT EXHAUST GASES IN AN ATTITUDE CONTROL SYSTEM FOR AN AIR AND SPACE BORNE VEHICLE COMPRISING A HOUSING HAVING AN INLET OPENING AND AT LEAST A FIRST OUTLET OPENING, A CYLINDER HAVING A HOLLOW INTERIOR ROTATABLY MOUNTED WITHIN SAID HOUSING, SAID CYLINDER HAVING A FLOW PASSAGE FORMED THEREIN, MEANS COUPLED TO SAID CYLINDER FOR ROTATING SAID CYLINDER BETWEEN AT LEAST FIRST AND SECOND POSITIONS, SAID FLOW PASSAGE BEING FORMED SUCH THAT SAID INLET OPENING IS PLACED IN COMMUNICATION WITH SAID OUTLET OPENING WHEN SAID CYLINDER IS AT SAID FIRST POSITION AND SAID INLET OPENING BEING OUT OF COMMUNICATION WITH SAID OUTLET OPENING WHEN SAID CYLINDER IS AT SAID SECOND POSITION, AN INSERT MOUNTED IN THE HOLLOW INTERIOR OF SAID CYLINDER TO FORM A PASSAGEWAY FOR A COOLANT MATERIAL THEREIN, A PLURALITY OF INLET ORIFICES FORMED IN SAID CYLINDER WHICH LEAD TO SAID PASSAGEWAY AND A PLURALITY OF OUTLET ORIFICES FORMED IN SAID CYLINDER WHICH LEAD TO SAID PASSAGEWAY, A CONDUIT COUPLED TO SAID HOUSING FOR SAID VALVE ASSEMBLY WHICH IS ADAPTED TO BE CONNECTED TO A SOURCE OF COOLANT FLUID, SAID CONDUIT LEADING TO A DUCT FORMED IN SAID HOUSING WHICH IS IN COMMUNICATION WITH SAID INLET ORIFICES, AND A LABYRINTH FORMED ON SAID CYLINDER AND ON SAID HOUSING WHICH SEPARATES SAID INLET ORIFICES FROM SAID OUTLET ORIFICES.