Sail wing type windmill

Details Sail wing type windmill Sail wing type windmill

2006-09-22

2008-08-19

Edgar, Richard (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

With means positioning fluid current driven impeller...

Feathering cycle related to flow direction

C416S116000, C416S13200B, C415S004200

Reexamination Certificate

active

07413404

ABSTRACT:
A sail wing type windmill includes an output shaft erected vertically, a foundation with a bearing disposed in the center hole provided therein for supporting the output shaft; an axle body with a roller bearing on the top end, while the bottom end thereof being conjoined to the output shaft, and the external surface thereof being formed of several spigots, and provided with an upper and a lower joint flanges; and a rudder assembly turnably conjoined to the top end of the output shaft and consisting of a turn table and a twin vaned tail wing; wherein the turn table is inserted in the center hole of the axle body, the external surface of the turn table is provided with a snaking recessed lead rail terminated into a lead portion. The twin vaned tail ring can automatically and constantly point to the wind direction so as to turn the turn table with the wind force.

REFERENCES:
patent: 2397346 (1946-03-01), Ramos Gimenez

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