Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Having specific features for water current
Patent
1987-07-01
1988-11-15
Powell, Jr., Everette A.
Rotary kinetic fluid motors or pumps
With means for controlling casing or flow guiding means in...
Having specific features for water current
415 4, 416197A, 416DIG9, F03D 706
Patent
active
047845686
ABSTRACT:
The present invention relates to a combination of a vertical axis Savonius-type rotor (20) and a deflector assembly (100) which serves as an augmentation apparatus which considerably increases the power output of the Savonius-type rotor and also improves its self-starting ability and smoothness of operation. The invention also provides a fantail member (120) to properly position the deflector assembly. In connection with the rotor-deflector combination, the present invention also teaches a simple, automatic speed control apparatus (130) which allows the combination to withstand high speed winds and produce power at the same time.
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Chang, Howard H. and McCracken, Horace, "Bucket Rotor Wind-Driven Generator" from Wind Energy Conversion Systems, p. 27.
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