Dust separating device

Claim 1

A DEVICE FOR SEPARATING ENTRAINED PARTICULATE MATTER FROM A FLUID, SAID DEVICE COMPRISING A PAIR OF ELONGATED CONVERGING WALLS HAVING LATERAL EDGES, A PAIR OF OPPOSED PLATES EXTENDING ALONG AND CONNECTING SAID WALL EDGES, SAID PLATES AND WALLS DEFINING A CONVERGING FLOW PASSAGE HAVING A LONGITUDINAL AXIS AND HAVING A FLUID INLET AT ITS DIVERGENT END AND A PARTICLE-LADEN FLUID OUTLET AT ITS CONVERGENT END, SAID WALLS INCLUDING A PLURALITY OF CLEANED FLUID OUTLETS EXTENDING ALONG THE FULL LENGTH OF EACH WALL, SAID CLEANED FLUID OUTLETS BEING DEFINED BETWEEN SPACED APART PARALLEL BLADES, SAID BLADES FORMING A LARGER ACUTE ANGLE WITH SAID AXIS THAN SAID WALLS, SAID BLADES FORMED OF A FLAT PLANAR SECTION HAVING A CURVED REVERSING VANE PROJECTING FROM THE SIDE OF SAID FLAT SECTION CLOSEST TO THE PARTICLE-LADEN FLUID OUTLET AT APPROXIMATELY THE MID-POINT OF SAID FLAT SECTION AND PROJECTING LATERALLY OUTWARD OF SAID WALL, THE CURVED VANE ASSOCIATED WITH EACH FLAT SECTION BEING SPACED APART FROM AND IN PARTLY SURROUNDING RELATION TO THE ADJACENT PART FROM AND IN PARTLY SURROUNDING RELATION, THE PERPENDICULAR DISTANCE OF THE OUTWARD TERMINAL END OF EACH CURVED VANE FROM ITS ASSOCIATED FLAT SECTION BEING SUBSTANTIALLY GREATER THAN THE PERPENDICULAR DISTANCE BETWEEN SAID ASSOCIATED FLAT SECTION AND SAID NEXT DOWNSTREAM FLAT SECTION, SAID CURVED VANE AND SAID ADJACENT END OF SAID DOWNSTREAM FLAT SECTION DEFINING A CURVED PASSAGEWAY WHEREBY ESCAPING CLEANED FLUID IS CONSTRAINED TO FLOW GENERALLY IN THE SAME DIRECTION AS THE ENTERING STREAM OF FLUID.

Claim 2

A DEVICE FOR SEPARATING ENTRAINED PARTICULATE MATTER FROM A FLUID, SAID DEVICE COMPRISING A PAIR OF ELONGATED CONVERGING WALLS HAVING LATERAL EDGES, A PAIR OF OPPOSED PLATES EXTENDING ALONG AND CONNECTING SAID WALL EDGES, SAID PLATES AND WALLS DEFINING A CONVERGING FLOW PASSAGE HAVING A LONGITUDINAL AXIS AND HAVING A FLUID INLET AT ITS DIVERGENT END AND A PARTICLE-LADEN FLUID OUTLET AT ITS CONVERGENT END, SAID WALLS INCLUDING A PLURALITY OF CLEANED FLUID OUTLETS EXTENDING ALONG THE FULL LENGTH OF EACH WALL, SAID CLEANED FLUID OUTLETS BEING DEFINED BETWEEN SPACED APART PARALLEL BLADES, SAID BLADES FORMING A LARGER ACUTE ANGLE WITH SAID AXIS THAN SAID WALLS, SAID BLADES FORMED OF A FLAT PLANAR SECTION HAVING A CURVED REVERSING VANE PROJECTING FROM THE SIDE OF SAID FLAT SECTION CLOSEST TO THE PARTICLE-LADEN FLUID OUTLET AT APPROXIMATELY THE MID-POINT OF SAID FLAT SECTION AND PROJECTING LATERALLY OUTWARD OF SAID WALL, THE CURVED VANE ASSOCIATED WITH EACH FLAT SECTION BEING SPACED APART FROM AND IN PARTLY SURROUNDING RELATION TO THE ADJACENT PART FROM AND IN PARTLY SURROUNDING RELATION, THE PERPENDICULAR DISTANCE OF THE OUTWARD TERMINAL END OF EACH CURVED VANE FROM ITS ASSOCIATED FLAT SECTION BEING SUBSTANTIALLY GREATER THAN THE PERPENDICULAR DISTANCE BETWEEN SAID ASSOCIATED FLAT SECTION AND SAID NEXT DOWNSTREAM FLAT SECTION, SAID CURVED VANE AND SAID ADJACENT END OF SAID DOWNSTREAM FLAT SECTION DEFINING A CURVED PASSAGEWAY WHEREBY ESCAPING CLEANED FLUID IS CONSTRAINED TO FLOW GENERALLY IN THE SAME DIRECTION AS THE ENTERING STREAM OF FLUID.