Patent ID: 8720061

Claim:
A method of forming a blower wheel, the method comprising: arranging a plurality of blades about a respective circumference of a first end cap and a second end cap, wherein the plurality of blades extend longitudinally between the first end cap and second end cap and generally parallel to an axis defined by respective centers of the first end cap and second end cap; rotating the first end cap with respect to the second end cap a predetermined amount, therein skewing the plurality of blades at a desired longitudinal pitch from the first end cap to the second end cap; and concurrently rotating the first end cap and second end cap in unison while crimping the circumferences of the first end cap and second end cap, therein securing the plurality of blades to the first and second end caps and fixing the desired longitudinal pitch of the plurality of blades from the first end cap to the second end cap.