Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to gravity or working fluid force
Patent
1982-05-28
1983-11-15
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Sustained ancillary movement of rotary working member
Responsive to gravity or working fluid force
416132B, F03D 706
Patent
active
044153112
ABSTRACT:
A vertical shaft 11 has several equally spaced blades 14 mounted thereon. Each blade consists of an inboard section 15 and an outboard section 16 skew hinged (17) to the inboard section. The inboard sections automatically adjust their positions with respect to the fixed inboard sections with changes in velocity of the wind. This windmill design automatically governs the maximum rotational speed of shaft 11.
REFERENCES:
patent: 193954 (1877-08-01), Hodges
patent: 590753 (1897-09-01), Flaig
patent: 2094941 (1937-10-01), Burkhartsmeier
patent: 2439575 (1948-04-01), Morris
Grana David C.
Inge, Jr. Spencer V.
King William H.
Manning John R.
Osborn Howard J.
Powell Jr. Everette A.
The United States of America as represented by the Administrator
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