Composite wind turbine blade

Details Composite wind turbine blade Composite wind turbine blade

1978-11-13

1981-01-27

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416226, F03D 106

Patent

active

042472580

ABSTRACT:
A blade for a wind turbine has a shell of nonuniform wall thickness and is fabricated by helically winding in a single pass a plurality of turns of a filament-reinforced tape around a form with each successive turn of the tape overlapping the preceding one in an amount sufficient to establish desired thickness, the thickness varying along the length of the blade.

REFERENCES:
patent: 2175204 (1939-10-01), Lougheed
patent: 2202014 (1940-05-01), Lougheed
patent: 2941911 (1960-06-01), Kumnick
patent: 2960753 (1960-11-01), Robertson
patent: 3490983 (1970-01-01), Lee
patent: 3562085 (1971-02-01), Crandal et al.
patent: 3713753 (1973-01-01), Brunsch
patent: 3784428 (1974-01-01), Willats et al.
patent: 3883267 (1975-05-01), Baudier et al.
patent: 3943020 (1976-03-01), Ashton et al.
patent: 4081220 (1978-03-01), Andrews

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