Stoves and furnaces – Solar heat collector – With concentrating reflector
Patent
1992-03-12
1993-10-19
Jones, Larry
Stoves and furnaces
Solar heat collector
With concentrating reflector
126578, 126600, 353 3, F24J 238
Patent
active
052536378
ABSTRACT:
A solar thermal collector incorporates an extended reflector surface constructed to concentrate radiation from a radiation source along a focal line. The reflector surface is oriented in a generally upward facing direction relative to the earth with the focal line above the reflector surface. A tracking system supports the extended reflector surface for double axis tracking of the sun by relative motion of the reflector surface to different tracking positions for optimizing concentrated radiation at the focal line. The tracking system is constructed to maintain the focal line of the extended reflector surface in a substantially horizontal orientation relative to the earth during tracking. An elongate absorber is positioned substantially at the focal line for absorbing and converting radiation to heat energy. An elongate absorber housing is coupled to the extended reflector surface and is constructed for positioning the elongate absorber substantially along the focal line. The housing provides an insulating enclosure for the elongate absorber for reducing conduction heat loss. The housing is formed with an elongate aperture oriented in a generally downward direction relative to the earth for receiving and passing concentrated radiation from the extended reflector surface to the absorber. A leveling system is coupled to the absorber housing. The leveling system is constructed to maintain the absorber housing in a substantially horizontal attitude with the aperture facing downward relative to the earth during tracking to suppress convection heat loss from the absorber and absorber housing.
REFERENCES:
patent: 4022188 (1977-05-01), Cohen et al.
patent: 4132219 (1979-01-01), Cohen et al.
patent: 4295621 (1981-10-01), Siryj
patent: 4352350 (1982-10-01), Johnson
patent: 4458670 (1984-07-01), Lhenry
patent: 4995377 (1991-02-01), Eiden
Jones Larry
Kane Daniel H.
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