The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 1982
Filed:
Mar. 31, 1980
Wilhelm Hermann, Roetgen, DE;
Horst Horster, Roetgen, DE;
U.S. Philips Corporation, New York, NY (US);
Abstract
A solar collector for heating a gaseous heat transport medium comprises an open-top housing provided with a transparent cover layer formed of a plurality of adjacently arranged, substantially mutually contacting, sealed and evacuated transparent cover tubes. The inner surface of each cover tube is provided with a selective absorption layer over the half facing the interior of the housing. The surface of the housing bottom facing the cover tubes has a vaulted profile corresponding to the shape of the cover tubes. An inlet and an outlet are respectively provided in the opposite sidewalls of the housing for flow of the gaseous heat transport medium transversely of the cover tubes in direct thermal contact herewith.