Windmill apparatus

Details Windmill apparatus Windmill apparatus

1986-12-23

1987-11-17

Roskoski, Bernard

Prime-mover dynamo plants

Fluid-current motors

Wind

290 44, 416 17, 416119, F03D 706

Patent

active

047076178

ABSTRACT:
A windmill apparatus includes: a frame body structure adapted to be positioned on a flat top of a construction; a main shaft vertically installed in the middle of the frame body structure; a first main-shaft sleeve rotatably coupled with a lower part of the main shaft; a belt pulley fixed around a lower end of the first main-shaft sleeve; a rotation control device with a revolving arrangement rotatably installed around the first main-shaft sleeve; a direction control device installed in a closed upper portion of the frame body structure and mechanically coupled with the rotation control device for automatically effecting wind direction change; and a wind direction indicating device rotatably installed on top of the frame body structure and movably coupled with the direction control device for relaying wind direction change therefrom; thereby, wind force can be effectively utilized with minimal manufacturing cost.

REFERENCES:
patent: 3902072 (1975-08-01), Quinn
patent: 4057270 (1977-11-01), Lebost
patent: 4494007 (1985-01-01), Gaston
patent: 4609827 (1986-09-01), Nepple

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