Rotary joint and drum

Claim 1

A ROTARY JOINT AND DRUM CONSISTING OF A ROTATABLE DRUM HAVING A TEMPERATURE TRANSFER SURFACE, A WALL DEFINING AN AXIAL CAVITY AND A PLURALITY OF LONGITUDINAL FLUID PASSAGEWAYS, A PLURALITY OF PORTSD CONSTITUTTING CONDUITS BETWEEN SAID AXIAL CAVITY AND SAID PLURALITY OF LONGITUDINAL FLUID PASSAGEWAYS, AN INLET PIPE HAVING AN ENTRANCE AND AN INLET PASSAGEWAY, SAID INLET PIPE LOCATED WITHIN SAID AXIAL CAVITY, A BEARING BLOCK FIXED TO SAID INLET PIPE, A BEARING ROTATIVELY MOUNTED UPON SAID BEARING BLOCK, A BEARING HOUSING FASTENED TO SAID BEARING BLOCK, A PACKING FASTENED TO SAID BEARING HOUSING AND ENGAGING SAID WALL TO DIVIDE SAID AXIAL CAVITY INTO TWO SECTIONS, A SPIDER COLLAR COMPRISING THREE LUGS FASTENED TO SAID INLET PIPE, AN OUTLET PIPE POSITIONED OVER SAID INLET PIPE TO PROVIDE AN OUTLET PASSAGEWAY THEREBETWEEN, SAID OUTLET PIPE ON ONE END FASTENED TO SAID THREE LUGS, SAID OUTLET PIPE HAVING AN EXIT, SAID INLET PASSAGEWAY LEADING TO ONE OF SAID TWO SECTIONS AND THROUGH SOME OF SAID PORTS TO SAID LONGITUDINAL FLUID PASSAGEWAYS, AND OTHER OF SAID PORTS LEADING FROM SAID LONGITUDINAL PASSAGEWAYS TO THE OTHER OF SAID TWO SECTIONS AND TO SAID OUTLET PASSAGEWAY, A HOUSING PROVIDED WITH A FLANGE, A CIRCULAR PROJECTION AND AN INNER SURFACE, SAID CIRCULAR PROJECTION ENGAGING SAID WALL, MEANS FASTENING SAID FLANGE TO SAID ROTATABLE DRUM, BEARING MEANS INTERPOSED BETWEEN SAID OUTLET PIPE AND SAID INNER SURFACE TO ROTATABLY CONNECT SAID HOUSING WITH SAID