Mill, particularly windmill

Details Mill, particularly windmill Mill, particularly windmill

1975-12-09

1977-06-28

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Responsive to gravity or working fluid force

416111, 416119, F03D 306

Patent

active

040322572

ABSTRACT:
A mill, particularly windmill of the horizontal or Chinese type having a l shaft supporting a vane rotor provided with a plurality of vane shafts rotatably mounted therein and with vanes secured to these vane shafts which vanes, when engaged by a wind flowing in a direction perpendicular to the mill shaft, will swing about their vane shafts from an operating position in which the vane is held by a stop on the rotor at an angle to the wind, to a free position parallel to the wind when reaching the lee-side of the rotor. Each vane shaft is coupled to an individual gear means carried by the rotor and engaging a stationary annular ring gear common to all gear means which gear means comprises a one-way free-wheel drive whereby when a vane swings about at the lee-side of the rotor an additional rotary driving force is transmitted to the latter.

REFERENCES:
patent: 1283129 (1918-10-01), Fisher
patent: 1292225 (1919-01-01), Araiza
patent: 1341045 (1920-05-01), Currey
patent: 3810712 (1974-05-01), Hillman

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