F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
170/22
F03D 7/04 (2006.01)
Patent
CA 1150154
A-3216 Inventor: J. WARNE CARTER, JR. and J. WARNE CARTER, SR. Invention: WIND-DRIVEN GENERATOR APPRATUS AND METHOD OF MAKING BLADE SUPPORTS THEREFOR Abstract of the Disclosure Wind generator apparatus employs an induction generator with a wind-driven rotor. Connection of the induction generator to AC power lines is controlled by apparatus that compares generator rpm and line frequency. The rotor blades have a pretwisted, varying-chord inboard portion and an untwisted, constant-chord outboard portion. The blades are self-starting, operate efficiently over a range of wind speeds with constant pitch maintained by a torsional biasing mechanism, and pitch up automatically when the normal rpm operating range is exceeded. An im- proved blade-supporting spar of low torsional stiffness has an I-beam configuration with filament-wound flanges. A pitch damper prevents torsional oscillations while permitting the blades to pitch up readily. The rotor, which includes a teetering hub, is free to weather-vane about the axis of a supporting tower, but a yaw damper limits angular velocity. A guy wire and gin pole arrange- ment stabilizes the tower and permits easy raising and lowering of the tower.
411632
Carter J. Warne Jr.
Carter J. Warne SR.
Carter J. Warne Jr.
Carter J. Warne SR.
Gowling Lafleur Henderson Llp
LandOfFree
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