Stoves and furnaces – Solar heat collector – With concentrating reflector
Reexamination Certificate
2011-07-12
2011-07-12
McAllister, Steven B (Department: 3749)
Stoves and furnaces
Solar heat collector
With concentrating reflector
C126S600000, C126S569000, C126S680000, C126S684000, C126S607000
Reexamination Certificate
active
07975686
ABSTRACT:
This invention is a trough solar collector that uses the principles of high leverage in order to produce a lightweight, inexpensive thermal solar collector. The parabolic reflectors are held in proper shape by rigid ribs that are spaced apart along the length of the collector. The structure of the trough is held rigid by a unique sun-tracking system that not only guides a long trough row to point it toward the sun, but also maintains the whole length of the row in rigid configuration. Small-diameter cables are wrapped around a rotatable pipe that extends along the row. The cables extend around circular arches attached to the parabolic ribs that provide high leverage for rotating the troughs. Since the arches rotate in unison, the long trough row is maintained in rotational rigidity. Rather than having heavy concrete foundations and heavy structures to support the troughs, lightweight support posts are placed into the ground, and guy wires maintain the position of the posts.
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McAllister Steven B
Peyton Desmond
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