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US 4,282,859 AGranted
Solar heater
OwnerNorman G. Haywardinventor
Life of this patent
Estimating the term…
Abstract
A pair of generally conical heat-collector surfaces, one spaced above the other, are mounted over a plenum chamber. Helical baffles define tortuous passages between the cones. Air to be heated is drawn downwardly between the cones into the plenum chamber.
Claims4
A solar heater for air, comprising:
- a chamber,
- first means providing a first downwardly-enlarged generally conical surface disposed above the chamber,
- second means providing a second downwardly-enlarged generally conical surface spaced outwardly from the first generally conical surface,
- said first and second means providing a space between said surfaces which is substantially open at the top and bottom, the open top of said space being open to the atmosphere and providing an air inlet thereto,
- port means for connecting of the bottom of said space to said chamber, and
- means for drawing air through said air inlet into said space between said surface and thence through said port means into said chamber.
3 more elements
Dependencies are inferred from the claim text.