Vacuum distillation of oils

Claim 1

APPARATUS FOR FLASH VAPORIZING A RESIDUAL OIL COMPRISING A CLOSED UPRIGHT ELONGATED CHAMBER; MEANS FOR MAINTAINING SAID CHAMBER UNDER SUB-ATMOSPHERIC PRESSURE; A PARTITION IN SAID CHAMBER TRANSVERSELY CLOSING SAME SO AS TO DIVIDE SAID CHAMBER INTO AN UPPER AND A LOWER SECTION; A CHIMNEY CONDUIT IN SAID PARTITION EXTENDING INTO SAID UPPER SECTION AND COAXIAL WITH SAID CHAMBER; SPRAY NOZZLE MEANS IN AN UPPER PORTION OF SAID UPPER SECTION; CONDUIT MEANS IN COMMUNICATION WITH A LOWER PORTION OF SAID UPPER SECTION AND WITH SAID SPRAY MEANS, AND MEANS FOR PUMPING AND COOLING LIQUID TO BE PASSED THROUGH THE LAST SAID CONDUIT; AN OUTLET CONDUIT IN A SIDE WALL OF SAID CHAMBER IN COMMUNICATION WITH A LOWER PORTION OF SAID UPPER SECTION; AN OUTLET CONDUIT IN A SIDE WALL OF SAID CHAMBER IN COMMUNICATION WITH A LOWER PORTION OF SAID LOWER SECTION; A PLURALITY OF VERTICALLY DISPOSED BAFFLES IN A CENTRAL PORTION OF SAID LOWER SECTION CURVED IN A COMMON DIRECTION AND EXTENDING LATERALLY FROM THE PERIPHERY OF SAID CHAMBER TOWARD THE INTERIOR OF SAID LOWER SECTION SO THAT THE INNER SURFACE OF EACH BAFFLE OF SAID PLURALITY IS CLOSER TO THE CHAMBER AXIS THAN THE OUTER SURFACE OF SAID BAFFLE; LIQUID INLET MEANS IN A SIDE WALL OF SAID CHAMBER IN COMMUNICATION WITH SAID LOWER SECTION, AND NOZZLE MEANS IN SAID LOWER SECTION CONNECTED WITH SAID LIQUID INLET MEANS AND ADAPTED TO TANGENTIALLY ADMIT LIQUID FROM SAID LIQUID INLET ONTO INNER SURFACES OF EACH SAID CURVED BAFFLES; A HORIZONTAL BAFFLE IN SAID LOWER SECTION INTERMEDIATE SAID CURVED BAFFLES AND SAID PARTITION AND EXTENDING OVER THE INNER ENDS OF SAID BAFFLES; AND A HORIZONTAL BAFFLE IN A LOWER PORTION OF SAID UPPER SECTION, EXTENDING OVER SAID CHIMNEY CONDUIT.