Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1991-10-15
1992-09-15
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
356141, 126425, G01J 120
Patent
active
051480123
ABSTRACT:
The solar tracking device disclosed herein is for use on a solar energy collection apparatus and facilitates optimal performance by insuring that the collection apparatus is continuously aligned with the source of the greatest amount of solar flux. The device consists of three photoelectric sensors and a plurality of vanes, each of the photoelectric sensors being connected to a circuit which controls one of three small DC motors, with each DC motor being the controlling means to either increase, decrease, or maintain the speed of the main drive motor which rotates the solar energy collection apparatus.
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C & A Technology
Dunbar Phelps
Le Que T.
Nelms David C.
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