04297076 is referenced by 126 patents and cites 14 patents.

An improved wind turbine in which the tip portions of the blades are variable in pitch and are cyclically varied in pitch to control the yaw of the rotor and to relieve bending moments on the blades and are collectively varied in pitch to relieve bending moments on the blades and to maximize the power output of the turbine at a selected constant rotor speed.

Title
Wind turbine
Application Number
6/46771
Publication Number
4297076
Application Date
June 8, 1979
Publication Date
October 27, 1981
Inventor
Richard L Heimbold
Glendale
CA, US
Robert E Donham
Sherman Oaks
CA, US
Agent
Frederic P Smith
Assignee
Lockheed Corporation
CA, US
IPC
F03D 7/04
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