Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive
Patent
1986-10-02
1988-02-16
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
415 49, F03D 304, F03D 706
Patent
active
047251948
ABSTRACT:
A self-regulating vertical axis windmill includes a wind actuable rotor and a plurality of baffle panels arranged around the outside of the rotor and pivotably mounted on vertical axes which are parallel to the axis of rotation of the rotor. The panels are biased to tend to pivot in a first angular direction to be nominally situated against stop means in position to direct wind blowing toward the rotor axis to be diverted to impinge on a face of the rotor panels which will tend to cause the rotor to rotate in a second opposite angular direction. The baffle panels are arranged so that as the wind increases and impinges on one of the baffle panels in a direction to tend to move that panel in the second opposite angular direction, the panel moves away from the stop means, finally allowing a substantial portion of the wind to impinge on opposite second faces of the rotor panel blades to tend to retard or stop the rotation of the rotor in the second angular direction.
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