Pitch-regulated vertical access wind turbine

Details Pitch-regulated vertical access wind turbine Pitch-regulated vertical access wind turbine

1994-04-28

1996-04-02

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With means moving working fluid deflecting working member...

Cyclic movement of member or part

416 23, 415 44, F03D 704

Patent

active

055035256

ABSTRACT:
A cross flow wind turbine comprising a rotor mounted for rotation about a vertical axis and a plurality of blade assemblies mounted on the rotor. Each blade assembly comprises a blade of aerofoil section mounted vertically for pivotal movement about a vertical shaft. The turbine also includes a device for measuring the direction of the apparent fluid velocity, a shaft encoder for measuring the blade angle and a control system to set the blade angle such that the lift component of the aerodynamic forces on the blade contributes positively to the driving torque on the rotor.

REFERENCES:
patent: 2624531 (1953-01-01), Stalker
patent: 2625997 (1953-01-01), Doak
patent: 4050246 (1977-09-01), Bourquardez
patent: 4052134 (1977-10-01), Rumsey
patent: 4105363 (1978-08-01), Loth
patent: 4137009 (1979-01-01), Telford
patent: 4247251 (1981-01-01), Wuenscher
patent: 4247253 (1981-01-01), Seki et al.
patent: 4297076 (1981-10-01), Donham et al.
patent: 4383801 (1983-05-01), Pryor
patent: 4979871 (1990-12-01), Reiner
patent: 5193978 (1993-03-01), Gutierrez
Derwent Abstract Accession No. 85-195453/32, SU A, 1134772, Jan. 15, 1985.

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