Solar concentrator with self-tracking receiver

Details Solar concentrator with self-tracking receiver Solar concentrator with self-tracking receiver

2011-07-26

2011-07-26

Ridley, Basia (Department: 1725)

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

C136S244000, C052S173300, C126S621000

Reexamination Certificate

active

07985920

ABSTRACT:
Solar collection systems are provided herein that includes a mobile, self-tracking receiver support member which is suspended from a support beam spanning the two sides of an immobile solar trough concentrator. The self-tracking receiver support member has photovoltaic cells of equal power affixed to two or more downward facing surfaces of the support member. These photovoltaic cells face downward into the solar parabolic trough concentrator and respond to the concentrated light of the path of the points of focus being reflected upwards from a parabolic concentrator. The solar cells are wired to a DC electric motor so that the motor rotationally responds to the disparity in the power output of the solar cells. As the path of the points of focus of the solar concentrator moves to one side or the other of the center of the self-tracking support member, the motor automatically moves the support member, along with and the receiver it is carrying, into the parabolic concentrator's path of the points of focus. This self-tracking member combines the functions of tracking the sun while also transporting the receiver attached thereto into the concentrator's path of the points of focus. The power to drive the motor is preferably provided solely by the power of the sun.

REFERENCES:
patent: 4031385 (1977-06-01), Zerlaut et al.
patent: 4068653 (1978-01-01), Bourdon et al.
patent: 4098264 (1978-07-01), Brokaw
patent: 4153039 (1979-05-01), Carroll
patent: 4349733 (1982-09-01), Beam
patent: 4469938 (1984-09-01), Cohen

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