Solar collector unit
Patent
·
OSTI ID:5883234
Apparatus for collecting and transferring solar heat to a medium to be heated comprises a heat pipe having an evaporator part and a condenser part; a solar heat absorber plate in thermally conductive contact with the evaporator part; and an evacuated transparent envelope surrounding the absorber plate and the evaporator part. Means is provided on the condenser part for increasing its heat-transferring area. A duct section is included for the medium to be heated, such duct section being constituted by an inlet duct and an outlet duct separated by a wall having a first aperture. A second aperture is formed in the outer wall of the duct section, the second aperture having at least the same diameter as the first aperture and being in alignment therewith, the diameter of the second aperture corresponding to that of the transparent envelope. The heat pipe is positioned in the aligned apertures so that the transparent envelope is in sealing engagement with the second aperture and the heat-transferring area-increasing means extends through the first aperture. A wall surrounds the area-increasing means and engages the first aperture. The area-increasing means is so constructed that the medium to be heated can flow over such means from the inlet duct to the outlet duct.
- Assignee:
- U.S. Philips Corporation
- Patent Number(s):
- US 4488539
- OSTI ID:
- 5883234
- Country of Publication:
- United States
- Language:
- English
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