Steam conversion valve

Claim 1

A STEAM CONVERSION VALVE FOR PRESSURE REDUCTION AND COOLING OF HOT STEAM BY THROTTLING AND WATER INJECTION, COMPRISING A VALVE HOUSING PROVIDED WITH A FIRST INLET DUCT FOR HIGH-PRESSURE HOT STEAM FROM A FRESH STEAM LINE, A SECOND INLET DUCT FOR LOW-PRESSURE STEAM WITHDRAWN FROM A PRIME MOVER, AND AN OUTLET STEAM DUCT, NOZZLE MEANS HAVING A PASSAGE FLARING OUTWARDLY IN THE DIRECTION OF STEAM FLOW THERETHROUGH AND POSITIONED BETWEEN SAID THREE DUCTS FOR PASSING HOT STEAM FROM SAID FIRST INLET DUCT TO SAID OUTLET DUCT AND FOR INCREASING THE PRESSURE OF SAID WITHDRAWN STEAM AND PASSING THE LATTER TO SAID OUTLET DUCT, SAID OUTLET DUCT HAVING A VENTURI TUBE COAXIAL WITH AND COMMUNICATING WITH SAID NOZZLE MEANS, SAID SECOND INLET DUCT HAVING AN ANNULAR CHANNEL SURROUNDING SAID NOZZLE MEANS AND COMMUNICATING WITH SAID VENTURI TUBE SO THAT SAID NOZZLE MEANS TOGETHER WITH SAID ANNULAR CHANNEL AND SAID VENTURI TUBE DEFINE JOINTLY AN EJECTOR FOR DRIVING STEAM THROUGH SAID OUTLET DUCT AND FOR INDUCTING SAID WITHDRAWN STEAM IN THROUGH SAID SECOND INLET DUCT, WHEREBY EXCESS THROTTLE ENERGY INHERENT IN THE HOT STEAM ENTERING THROUGH SAID FIRST INLET DUCT IS UTILIZED AS A DRIVING MEDIUM IN THE SENSE OF A JET SUCTION SOURCE FOR INDUCTING SAID LOW-PRESSURE STEAM THROUGH SAID SECOND INLET DUCT AND FOR INCREASING THE PRESSURE OF THE LATTER STEAM.