F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
230/21
F04D 29/38 (2006.01)
Patent
CA 1106332
Abstract Of The Disclosure A flexible bladed automotive cooling fan comprising. biasing members biasing both the upstream and downstream sides of the blades including a root portion of the upstream biasing member extending beyond the remainder of both biasing members, the blade thereby having a substantially increased natural frequency and a reduced amplitude of vibration at resonance as well as an improved airfoil configuration.
307237
Fram Corporation
Macrae & Co.
LandOfFree
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