Ppg Industries, Inc.

Lester F Schutrum

Renato J Mazzoni

William R Bauer

A solar heat collector has a breather tube provided on the absorber plate to provide communication between the ambient air and air in the airspace of the collector through desiccant material. In this manner, the air pressure in the airspace is equalized to the ambient air pressure without moisture moving into the airspace and the desiccant material is regenerated.

Solar energy absorber plate having a breather tube

A solar heat collector has a breather tube to provide communication between the ambient air and air in the airspace of the collector through desiccant material. In this manner, the air pressure in the airspace is equalized to the ambient air pressure without moisture moving into the airspace and the desicant material is regenerated.

Solar heat collector having a breather tube

A solar heat collector of the type having a pair of tempered glass sheets mounted in spaced relation to each other and to a solar energy and infrared absorber is provided with a vapor-impervious and moisture-impervious seal. The seal includes (1) a moisture-impervious adhesive to prevent moisture from moving between the glass sheets and absorber and (2) a vapor-impervious strip, e.g., an aluminum strip mounted between the adhesive and peripheral edge portions of the glass sheets and absorber to prevent solvent vapors of the adhesive from moving between the glass sheets and absorber.

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New Kensington, PA, United States of America

Lester F Schutrum