Patent ID: 8328522

Claim:
A method for axial fan design, the method comprising: executing instructions embodied in a computer-readable storage medium to draft a spline to connect a plurality of points along a radius cut sketch to form a blade surface displayed on a display device, the instructions executed by a processor communicatively coupled to the display device; offsetting the blade surface by a constant amount; filling the blade surface to form a single blade, the single blade displayed on the display device, wherein a portion of the blade surface conforms to a logarithmic spiral, the radius of the logarithmic spiral unfolding at a constant order of growth when measured at equiangular radii; orienting the single blade with respect to a hub on the display device; patterning the single blade with a total number of blades to be affixed to the hub around the hub; and executing instructions embodied in a computer-readable storage medium to attach the single blade and the remaining blades from the total number of blades to the hub, the instructions executed by a processor, the hub and attached blades displayed on the display device.