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U.S. Department of Energy
Office of Scientific and Technical Information

Portable solar heating device and heating process utilizing solar energy

Patent ·
OSTI ID:5148089

This patent describes a solar heating device. It comprises a concave upwardly opening concentrating reflector trough for reflecting to a line focus extending axially of the upper portion of the trough solar rays striking the concave concentrating reflector, the trough having a rectangular upper opening with a length much greater than its width, the width of the opening extending axially of the trough concavity and the length of the opening extending chordwise of the trough concavity, and an auxiliary flat reflector disposed parallel to the chords of the concave concentrating reflector trough opening extending above and inclined from its lower edge over the trough at an acute angle relative to the line focus for reflecting solar rays striking it downward past the line focus onto the concave concentrating reflector trough for reflection thereby back up to the line focus.

Assignee:
NOV; EDB-92-115301; NOV-92-032066
Patent Number(s):
US 5113845; A
Application Number:
PPN: US 7-585870
OSTI ID:
5148089
Country of Publication:
United States
Language:
English