| A radial tube centrifugal fan is disclosed. The fan is assembled from a first mating half having a planar backing plate with a group of half tubes extending in spoke-like fashion from the plate and separated by webbing members, attached to a second mating half having an axial inlet opening and a like group of half tubes and webbing members. The assembled fan has an inlet port and a plurality of radially extending outlet tubes formed from the mating half tubes and which are curved in a direction away from the preferred direction of fan rotation. |
