Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in...
Patent
1982-04-14
1984-07-03
Powell, Jr., Everette A.
Rotary kinetic fluid motors or pumps
With means for controlling casing or flow guiding means in...
415143, 415 1, F03D 304
Patent
active
044576668
ABSTRACT:
There is provided a method and device for converting energy from a moving gas stream with improved efficiency. One embodiment of the apparatus includes a frame mounted on a rotatable shaft. The frame has working blades and discharge blades mounted thereon, the arrangement of the discharge blades being sufficient to materially reduce any back pressure on the working blades. Flow control means are operatively connected to the frame for substantially normalizing the flow of the moving gas stream as at impinges on the working and discharge blades.
There is also provided a method of converting a portion of the energy of a moving gas stream to mechanical energy including the steps of arranging a series of working blades on a frame such that a moving gas impinging on the working blades will rotate the frame; arranging a plurality of discharge blades on the frame to materially reduce any back pressure on the working blades when the working blades are exposed to the moving gas and directing the moving gas in a substantially normalized flow pattern to the working and secondary blades.
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Powell Jr. Everette A.
The Windgrabber Corporation
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