Solar electric conversion unit and system
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United States of America Patent
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-
Oct 26, 1993
Issued Date -
N/A
app pub date -
Oct 13, 1988
filing date -
Oct 13, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A solar electric conversion unit and system includes substantially increased efficiency with reduced losses and increased acceptance angles. The system employs a short focal length fresnel lens extruded to further include depending side walls. The free edges of the sides carry a heat sink supporting a photovoltaic cell. The extruded side walls function as light pipes for carrying light directly to the photovoltaic cell. The walls are reflective inwardly of the unit to further avoid loss of stray light.
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