Vertical axis wind turbine

Prime-mover dynamo plants – Electric control – Fluid-current motors

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Details

290 55, 416227A, 416132B, F01D 514, F03D 704, H02J 308

Patent

active

044490534

ABSTRACT:
A Darrieus-type vertical axis wind turbine is disclosed which includes a vertically extending rotor tube mounted on a support structure with two or three rotor blades of troposkein configuration on the rotor tube for rotating the tube in response to wind energy and thereby drive a generator to produce electrical power. The turbine includes an erection hinge which permits assembly of the rotor tube and blades at close to ground level followed by upward hinging of the rotor assembly to a vertical position. It also includes a system for automatically lubricating the top bearing upon erection and a system for visually tensioning the guy cables.

REFERENCES:
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patent: 1642979 (1927-09-01), Timbs et al.
patent: 1676894 (1928-07-01), Frank
patent: 1835018 (1981-12-01), Darrieus
patent: 2634177 (1953-04-01), Guibert
patent: 3140850 (1964-07-01), Packard
patent: 3719377 (1973-03-01), Schultz et al.
patent: 4163347 (1979-08-01), Marcmann
patent: 4168439 (1979-09-01), Palma
patent: 4281965 (1981-08-01), Stjernholm
patent: 4364710 (1982-12-01), Campbell
patent: 4366387 (1982-12-01), Carter, Jr. et al.
S9114; Development of 1 Kw Vertical Axis Wind Generator; Conference entitled: "Sun: Mankind's Future Source of Energy;" New Delhi, India; Jan. 1978; R. P. Gupta and S. K. Chandra.
S9076; Torque Ripple in a Vertical Axis Wind Turbine; Conference entitled: "Proceedings of the 13th Intersociety Energy conversion Engineering Conference;" San Diego, CA, USA; 1978; R. C. Reuter, Jr. and M. H. Worstell.
The Vertical Axis Wind Turbine "How It Works", SLA-74-0160, Dec. 1974, by B. F. Blackwell, Sandia Laboratories.
Design and Fabrication of a Low Cost Darrieus Vertical Axis Wind Turbine System Phase 1, Final Report by Aluminum Company of America to Department of Energy under U.S. Government Contract #EM-78-C-04-4272, Jun. 22, 1979.

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