Centrifugal classifier

Claim 1

A CENTRIFUGAL CLASSIFIER FOR SEPARATING FINELY DIVIDED MATERIAL SUCH AS CUT TOBACCO AND THE LIKE FROM VEHICLE AIR COMPRISING A GENERALLY SCROLL-LIKE CASING ON A HORIZONTAL AXIS, SAID CASING BEING FORMED WITH A FIRST APERTURE OPENING SUBSTANTIALLY HORIZONTALLY JAND TANGENTIALLY INTO THE CASING AT TOP, SAID CASING BEING FORMED WITH A SECOND APERTURE IN THE BOTTOM OF THE CASING, AN OUTLET DUCT CONNECTED TO THE CASING AROUND SAID SECOND APERTURE AND EXTENDING FROM THE CASING AT THE BOTTOM AND HAVING ONE WALL FORMING A CONTINUATION OF THE WALL OF THE CASING LEADING FROM THE FIRST APERTURE AROUND THE CASING TO THE SECOND APERTURE, SAID OUTLET DUCT COMPRISING A NECK PORTION OF SUBSTANTIAL SIZE FOR RETAINING MATERIAL THEREIN AND ALSO COMPRISING A CYLINDRICAL HOUSING INTO WHICH THE NECK PORTIONS OPENS, A PADDLE WHEEL ROTATABLY MOUNTED ON THE AXIS OF SAID CYLINDRICAL HOUSING AND HAVING RESILIENT BLADE MEANS ENGAGING THE PERIPHERY OF THE HOUSING FOR DISCHARGING MATERIAL FROM THE CYLINDRICAL HOUSING WHILE PREVENTING VEHICLE AIRA FROM PASSING FREELY THERETHROUGH, A CYLINDRICAL AIR OUTLET MEMBER EXTENDING HORIZONTALLY THROUGH SAID CASING ON THE AXIS THEREOF AND RADIALLY SPACED FROM THE CASING, SAID AIR OUTLET MEMBER BEING FORMED WITH SINGLE LARGE OPENING TOWARD THE TOP AND TO THE SIDE OF THE CENTER OF THE AIR OUTLET MEMBER, A CURVED BAFFLE MEMBER BETWEEN THE AIR OUTLET MEMBER AND THE CASING EXTENDING FROM ABOUT THE UPSTREAM SIDE OF THE OPENING IN THE AIR OUTLET JIN A DIRECTION OPPOSITE THE DIRECTION WHICH AIR TAKES IN THE CASING AS IT ENTERS SAID FIRST APERTURE TO POINT SOMWHAT UPSTREAM OF THE SECOND APERTURE IN THE CASING, A BLOWER HAVING A SUCTION OPENING AXIALLY ALIGNED WITH SAID AIR OUTLET MEMBER AND LATERALLY SPACED FROM SAID CASING, A CONNECTOR MEMBER CONNECTING THE SUCTION SIDE OF THE BLOWER WITH THE CASING AAABOUT THE PERIPHERY OF SAID AIR OUTLET MEMBER, AND STRAIGHTENING VANES IN SAID CONNECTOR FOR STRAIGHTENING THE PATH OF MOVEMENT OF THE AIR MOVING TOWARD THE BLOWER THEREBY TO INCREASE THE EFFICIENCY OF OPERATION OF THE BLOWER.