Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive
Reexamination Certificate
2005-05-13
2008-03-18
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
With means for controlling casing or flow guiding means in...
Natural fluid current force responsive
C415S071000
Reexamination Certificate
active
07344353
ABSTRACT:
A vertical axis wind turbine wherein the blades of the rotor section of the wind turbine comprise at least sections wherein the blades have a non-linear configuration in the “z” axis. In a preferred embodiment, the blades of the rotor section have a linear trailing edge with a non-linear, and preferably helical, surface configuration. This particular design allows the blades to provide both a rotational force and a positive or negative lift component. Further, the blades define an open area in the center of the rotor section through which air flow can pass in order to create a vertical vortex of air. As such, a more efficient vertical axis wind turbine provided.
REFERENCES:
patent: 250806 (1881-12-01), Hamel
patent: 1697574 (1929-01-01), Savonius
patent: 1766765 (1930-06-01), Savonius
patent: 1835018 (1931-12-01), Darrieus
patent: 4012163 (1977-03-01), Baumgartner et al.
patent: 4115027 (1978-09-01), Thomas
patent: 4142822 (1979-03-01), Herbert et al.
patent: 4180367 (1979-12-01), Drees
patent: 4260325 (1981-04-01), Cymara
patent: 4293274 (1981-10-01), Gilman
patent: 4359311 (1982-11-01), Benesh
patent: 4715776 (1987-12-01), Benesh
patent: 5391926 (1995-02-01), Staley et al.
patent: 5852331 (1998-12-01), Giorgini
patent: 6481957 (2002-11-01), Brill
patent: 6740989 (2004-05-01), Rowe
patent: 6849965 (2005-02-01), Le Nabour et al.
Gray Neil C. C.
Lewis J. Harry
MacLean Angus
Naskali Pertti H.
Newall A. Patrick
Arrowind Corporation
Gowan Intellectual Property
Look Edward K.
White Dwayne J
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