Device for controlling the sweeping-angle of a fan

Details Device for controlling the sweeping-angle of a fan Device for controlling the sweeping-angle of a fan

1991-08-21

1993-06-08

Braun, Leslie A.

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

With releasable clutch or brake

475343, 74 52, 416 79, 416100, F16H 128, F16H 3712, F03D 506

Patent

active

052174174

ABSTRACT:
A device for variable control of the sweeping angle of a fan which includes a worm gear cooperating with a planet gear and a sun gear to provide variable sweep angle with a clutch mechanism to allow for the disengagement of the drive mechanism while varying sweep angle.

REFERENCES:
patent: 215527 (1879-05-01), Lozier
patent: 526719 (1894-10-01), Lenoir et al.
patent: 585131 (1897-06-01), Steel
patent: 2253127 (1941-08-01), Koch
patent: 2597034 (1952-05-01), Reisch et al.
patent: 2634905 (1953-04-01), Reisch
patent: 2742225 (1956-04-01), Gaurdudo
patent: 3945769 (1976-03-01), Sanderson
patent: 3977260 (1976-08-01), Winyard et al.

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