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US 4,051,835 AGranted
Solar heating pipe
OwnerGeorge Hinson-Riderinventor
Life of this patent
Estimating the term…
Abstract
A fluid carrying pipe having an integral transparent portion formed into a longitudinally extending cylindrical lens that focuses solar heat rays to a focal axis within the volume of the pipe, and which pipe on the side opposite the lens has a heat ray absorbent coating for absorbing heat from light rays that pass through the focal axis.
Claims4
A solar heating pipe comprising,
- a fluid conducting pipe,
- at least one integral longitudinal portion of said pipe being transparent to solar heat rays,
- said portion being parallel with the longitudinal axis of said pipe,
- said portion comprising a cylindrical lens that focuses the solar heat rays to a focal axis within the volume of said pipe,
- and the side of said pipe opposite said lens portion being coated with a light ray absorbent coating.
2 more elements
Dependencies are inferred from the claim text.