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US 4,062,350 AGranted
Solar water heater
OwnerGerald C. Reedinventor
Life of this patent
Estimating the term…
Abstract
A solar water heating panel having a base sheet and a metallic absorber sheet affixed in close parallel relationship to one another. The water passes between the two sheets and is heated by solar heat transfer through the absorber sheet into the water. The use of copper clad stainless steel in solar heaters is also disclosed.
Claims12
A solar water heating panel for heating liquids by sunlight, said panel comprising:
- a base sheet fabricated from a corrosion resistant material comprising stainless steel;
- a metallic absorber sheet fabricated from a sheet of stainless steel having at least one surface thereof coated with copper affixed in water-tight relationship along its outer edges to said base sheet and separated therefrom, said absorber sheet being positioned in a parallel relationship with respect to said base sheet and spaced between 1/16th and 1/4 of an inch from said base sheet;
- and
- means for introducing the water to be heated and for removing the heated water.
1 more element
In a solar water heating panel of the type having an absorber sheet coated with a selective solar coating and having water flowing under the surface of said absorber sheet the improvement which comprises:
- a generally flat base sheet fabricated from stainless steel;
- a stainless steel absorber sheet having at least one surface thereof coated with copper, said absorber sheet being affixed in water-tight relationship along its outer edges to said base sheet and separated therefrom in a fixed parallel relationship;
- an inlet header affixed along one edge of said absorber sheet;
- and
- an outlet header affixed along an opposite edge of said absorber sheet wherein said absorber sheet and said base sheet are spaced apart between 1/16 and 1/4 inches.
2 more elements
Dependencies are inferred from the claim text.