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US 4,226,227 AGranted
Solar collector
AssigneeU.S. Philips Corporation
InventorGerhard Harupa
Life of this patent
Estimating the term…
Abstract
There is provided a solar collector including a sealed and evacuated transparent cover tube that forms a wall of a heating duct through which a heat transport medium is fed during operation. Special connections are provided at the ends of the heating duct for the introduction of the heat transport medium thereinto and the discharge of the same therefrom.
Claims4
A solar collector constituted of one or more individual heat exchanger unit each comprising a body provided with a trough;
- a sealed and evacuated transparent cover tube in contact with said trough, said cover tube and said trough being of complementary shape and forming a heating duct therebetween;
- an absorber associated with the cover tube adjacent the heating duct and serving to transfer heat derived from incident solar radiation during operation to a heat-transport medium fed through the heating duct;
- means to seal the cover tube to the trough along and adjacent to their line of contact;
- a heat-transport medium inlet duct and a heat-transport medium outlet duct respectively positioned in the vicinity of the cover tube ends;
- connection tubes respectively extending from said inlet duct and said outlet duct;
- and corresponding connection sleeves extending from the respective ends of said heating duct for removable reception by said connection tubes.
3 more elements
Dependencies are inferred from the claim text.