Patent ID: 9476426
Filing Date: 2016-10-25
CPC Classification: F04D,H02K

Claim Text:
1. An axial fan assembly, comprising: a hub rotatable about an axis of rotation and including a radially extending face and a cylindrical portion extending axially from said face, said face including a radially inner face portion and a radially outer face portion; a plurality of connection structures extending radially outwardly from said radially inner face portion and extending radially inwardly from said radially outer face portion; and a plurality of isolated members extending radially outwardly from said radially inner face portion, said plurality of isolated members being isolated from said plurality of connection structures and said radially outer face portion by a plurality of slots, wherein a first isolated member of said plurality of isolated members has a first radially outer edge, wherein a second isolated member of said plurality of isolated members has a second radially outer edge, wherein said first radially outer edge has a first arc length, wherein said second radially outer edge has a second arc length, and wherein said first arc length is greater than said second arc length.