Tracking system for solar energy collection

Details Tracking system for solar energy collection Tracking system for solar energy collection

1977-04-21

1979-05-15

Yuen, Henry C.

Stoves and furnaces

Ovens

Domestic

108 2, 108 9, F24J 302

Patent

active

041542215

ABSTRACT:
A tracking system is provided for positioning solar energy collection units to face the sun during daylight hours. The collectors are mounted generally in north-south alignment with rotatable connections to a supporting base. The connections are laterally offset from the center of gravity of the collector. Thus, the weight of the collector ends to rotate the collector about the connection points to bring the center of gravity to the lowest possible point, thereby orienting the collector generally to face the western horizon. A rotation restraint mechanism is provided to prevent the uncontrolled rotation of the collector to a degree coordinated with rotation of the earth relative to the sun, thereby positioning the collector to directly face the sun during daylight hours. A rank of collectors in parallel alignment can be connected for tandem rotation under the control of a single rotation restraining mechanism. Rotation restraint can be effectuated by means of an electric brake or by a solenoid actuated pawl and ratchet gear.

REFERENCES:
patent: 987113 (1911-03-01), Cooley
patent: 1951404 (1934-03-01), Goddard
patent: 2182222 (1939-12-01), Courtis et al.
patent: 2539700 (1951-01-01), Pieper
patent: 3305686 (1967-02-01), Carter et al.
patent: 3861379 (1975-01-01), Anderson, Jr.
patent: 3872854 (1975-03-01), Raser
patent: 3996917 (1976-12-01), Trihey
patent: 4031385 (1977-06-01), Zerlant et al.

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