Wind turbine

Details Wind turbine Wind turbine

1989-11-17

1990-12-25

Look, Edward K.

Rotary kinetic fluid motors or pumps

With means for controlling casing or flow guiding means in...

Natural fluid current force responsive

415 44, 416 17, 416111, 416119, F03D 700, F03D 300

Patent

active

049798715

ABSTRACT:
An improved vertical axis wind turbine is disclosed. The wind turbine in accordance with one embodiment, does not include a support tower but instead includes a bearing support for mounting a torque tube rotatably connected to blades, the bearing support being secured to ground by a plurality of guy cables. The torque tube may comprise a plurality of tube sections including an intermediate bearing and additional guy cables for supporting the torque tube to the ground in a vertical orientation. In another embodiment of the present invention, control means are disclosed for independently controlling the pitch of respective wind turbine blades in response to relative wind direction.

REFERENCES:
patent: 503048 (1893-08-01), Jacobs
patent: 987645 (1911-03-01), O'Toole
patent: 1397031 (1921-11-01), Boston
patent: 4134707 (1979-01-01), Ewers
patent: 4303835 (1981-12-01), Bair
patent: 4441858 (1984-04-01), Lew
patent: 4449053 (1984-05-01), Kutcher
patent: 4494007 (1985-01-01), Gaston
patent: 4776762 (1988-11-01), Blowers, Sr.
patent: 4792700 (1988-12-01), Ammons

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