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公开(公告)号:DE3320685A1
公开(公告)日:1983-12-22
申请号:DE3320685
申请日:1983-06-08
Applicant: UNITED TECHNOLOGIES CORP
Inventor: HARNER KERMIT IVAN , PATRICK JOHN PETER , VOSSELLER KENNETH FRANKLYN
Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.