Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive
Patent
1985-03-29
1987-03-24
Powell, Jr., Everette A.
Rotary kinetic fluid motors or pumps
With means for controlling casing or flow guiding means in...
Natural fluid current force responsive
416 41, F03D 706
Patent
active
046522069
ABSTRACT:
A vertical axis wind turbine includes a pair of wind deflectors for directing the wind current into the rotor assembly. The wind deflectors are connected to the wind turbine so that their positions are automatically adjusted as a function of wind velocity as well as wind direction to maximize efficiency. The wind deflectors automatically move to a position downwind of the rotor assembly during periods of unusually high wind velocity and actuate a rotational governor which increases the angular inertia of the turbine to limit the speed of the turbine shaft during such high wind conditions.
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patent: 1523295 (1925-01-01), Ryan
patent: 1615675 (1927-01-01), Bender
patent: 1820818 (1931-08-01), McRae
patent: 1935097 (1933-11-01), Nelson
patent: 4571152 (1986-02-01), Tatar
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