Back to results
US 8,556,586 B2Granted
Turbine blade
OwnerHerbert Williamsinventor
Life of this patent
Estimating the term…
Abstract
A fluid turbine for generating electrical power, the turbine having a rotor assembly comprising a hub, a rim and a plurality of blade members joining them together, the blade members being rigid, flat panel, multi-ply, composite blade members having a plurality of parallel, longitudinally-oriented, reinforcing cords composed of non-braided aramid synthetic strands, the cords being disposed between at least two cloth layers impregnated with a cured polymer resin.
Claims17
A fluid turbine comprising:
- a rotor assembly comprising a rotating central hub member and a rotating annular rim member, said rim member joined to said hub member and supported by a plurality of rigid, flat-panel,multi-ply, composite blade members extending between said rim member and said hub member;
- said composite blade members comprising a plurality of parallel, longitudinally-oriented, non-braded, reinforcing cords composed of a plurality of aramid synthetic strands, said cords disposed between at least two cloth layers impregnated with a cured polymer resin, wherein at least one of said cloth layers is a multi-directional cloth member having substantially equal elongation in the longitudinal and transverse directions.
A fluid turbine comprising:
- a rotor assembly comprising a rotating central hub member and a rotating annular rim member, said rim member joined to said hub member and supported by a plurality of rigid, flat-panel, multi-ply, composite blade members extending between said rim member and said hub member;
- said composite blade members comprising a plurality of parallel, longitudinally-oriented, non-braded, reinforcing cords composed of a plurality of aramid synthetic strands, said cords disposed between at least two cloth layers impregnated with a cured polymer resin, wherein said composite blade members are mounted to said hub in a fixed position and are mounted to said rim in a pivoting manner.
Dependencies are inferred from the claim text.