Patent ID: 7374394

Claim:
A multifunctional blower for material, comprising: a casing having front and rear axial sidewalls between which extends a longitudinal axis, and a radial sidewall formed between the front and rear axial sidewalls; an impeller located inside the casing comprising: an air duct formed generally through the center of the impeller; a front disk having a plurality of radially spaced-apart blades oriented laterally to the front disk and radially about the air duct; and a plurality of suctionside separating plates attached to corresponding edges of each blade, the impeller being radially driven about the longitudinal axis, wherein the plurality of suctionside separating plates define a plurality of suctionside clearances therebetween that connect to the air duct; a suction port located in at least one of the front and rear axial sidewalls through which to suck material into the casing in response to a suction generated by the impeller; and at least one sidewall air outlet in at least one of the sidewalls of the casing, to provide an escape for the material not pulled into the air duct.