发明授权
US08632307B1 Ultra-light weight self-lubricating propeller hub 有权
超轻型自润滑螺旋桨毂

Ultra-light weight self-lubricating propeller hub
摘要:
A propeller assembly includes a rotatable hub having a center metal hub portion and an outer composite hub portion. A set of composite propeller blades are mounted for pitch control rotation on the hub by a set of dry bearings.
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