Apparatus for removing dust and other impurities from air and other gases

Claim 1

APPARATUS FOR SEPARATION OF DUST AND OTHER IMPURITIES FROM AIR AND OTHER GASES, COMPRISING A STATIONARY HOUSING, A ROTARY SEPARATING MEMBER SITUATED IN SAID HOUSING AND HAVING A PREDETERMINED AXIS OF ROTATION, SAID SEPARATING MEMBER HAVING A SUBSTANTIALLY CONICAL CONFIGURATION AND HAVING AN INNER END ADJACENT TO SAID AXIS OF ROTATION AND AN OUTER END SITUATED AT A GREATER DISTANCE FROM SAID AXIS OF ROTATION THAN SAID INNER END, AND SAID SEPARATING MEMBER INCLUDING A PLURALITY OF OUTER SEPARATING BLADES DISTRIBUTED ABOUT SAID AXIS OF ROTATION AND EACH HAVING A PAIR OF OPPOSED LONGITUDINALLY EXTENDING SIDE EDGES FORMING AN OUTER SIDE EDGE AND AN INNER SIDE EDGE FOR EACH BLADE, SAID OUTER AND INNER SIDE EDGES OF SAID BLADES EXTENDING FROM SAID INNER TO SAID OUTER ENDS OF SAID SEPARATING MEMBER, SAID BLADES DEFINING BETWEEN THEMSELVES PRIMARY PASSAGES AND PRIMARY OUTLETS THROUGH WHICH A SUBSTANTIAL QUANTITY OF SUBSTANTIALLY CLEAN GASES ARE EMITTED, SAID BLADES RESPECTIVELY HAVING INNER PLATE PORTIONS EXTENDING FROM THEIR INNER SIDE EDGES IN A DIRECTION OPPOSITE TO THE DIRECTION OF ROTATION OF SAID SEPARATING MEMBER AND SUBSTANTIALLY TANGENTIALLY WITH RESPECT TO A CONE WHOSE AXIA COINCIDES WITH SAID AXIS OF ROTATION, SAID INNER PLATE PORTIONS OF SAID BLADES BEING SPACED FROM AND AT LEAST PARTLY OVERLAPPING EACH OTHER TO DEFINE BETWEEN THEMSELVES EXTENSIONS OF SAID PRIMARY PASSAGES, RESPECTIVELY, FOR RECEIVING PARTICLES GREATER THAN THOSE WHICH FLOW ALONG SAID PRIMARY PASSAGES.