Drying cylinder for drying the wet material web for instance in paper and cellulose machines

Claim 1

A DRYING CYLINDER FOR DRYING THE WET MATERIAL WEB FOR INSTANCE IN PAPER AND CELLULOSE MACHINES, SAID CYLINDER BEING PROVIDED AS WELL DEVICES FOR INTRODUCING HEATING STEAM INTO THE CYLINDER AS WITH DEVICES FOR REMOVING CONDENSED STEAM THEREFROM, SAID CYLINDER BEING PROVIDED WITH AT LEAST ONE ADJUSTABLE NOZZLE, CONNECTED TO THE STEAM SUPPLY WITHIN THE CYLINDER AND ARRANGED NEAR THE CYLINDER MANTLE, SO AS TO DISCHARGE THE STEAM AGAINST THE INNER WALL OF THE CYLINDER MANTLE AT GREAT SPEED, AND SO OBTAINING EFFICIENT TRANSMISSION OF HEAT TO THE MANTLE, AND IN WHICH THE HEATING STEAM SUPPLY PIPE ARRANGED INSIDE THE CYLINDER AXLE JOURNALED IS FORMED AT ITS INNER END TO A CONTRACTING MOUTH PIECE AT SUCH A DISTANCE FROM THE RECEIVING OPENING OF THE CENTRAL PARTITION OF THE CYLINDER THAN AN INJECTOR EFFECT IS OBTAINED HERE BY THE STEAM BLOWN INTO SAID CENTRAL PARTITION, SAID INJECTOR BEING ADAPTED TO DRAW UNCONDENSED STEAM IN THE CYLINDER BACK INTO SAID CENTRAL PARTITION.