Self-tracking mechanisms for solar collectors

Details Self-tracking mechanisms for solar collectors Self-tracking mechanisms for solar collectors

1983-12-23

1985-02-12

Jones, Larry

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126438, F24J 302

Patent

active

044984561

ABSTRACT:
A self-tracking mechanism for a solar collector comprises a plurality of sensor concentrators arranged side by side and a plurality of shape memory alloy coils each located at a position coincident with the focal line of the corresponding one of sensor concentrators. The shape memory alloy coil is treated so as to shrink into a memorized shape when heated. Each of a plurality of tension wires have one end connected to one end of the shape memory alloy coil and the other end wound up on a wire drum which is mounted on a drive shaft. A transfer mechanism is operatively connected to the drive shaft for transferring the rotation of the drive shaft to a rotatable main collector.

REFERENCES:
patent: 1951404 (1934-03-01), Goddard
patent: 3982526 (1976-09-01), Barak
patent: 4044752 (1977-08-01), Barak
patent: 4304221 (1981-12-01), Trihey
patent: 4351319 (1982-09-01), Robbins, Jr.
patent: 4365616 (1982-12-01), Vandenberg

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