Roof comprising roofing tiles with solar water heating system therein
US4204520A · kind A · utility
Inventor
Key dates
| Filing date | Mar 2, 1978 |
| Grant date | May 27, 1980 |
| Priority date | — |
| Expiry date | Mar 2, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/44
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roofing tile having upper and lower ends and upper and lower surfaces, a transverse groove of substantially semicircular cross section in the upper surface of the roofing tile adjacent its upper end, and a transverse groove of substantially semicircular cross section in the lower surface of the roofing tile adjacent its lower end. A solar water heating system incorporated in a roof comprising roofing tiles having overlapping portions provided with registering transverse grooves of substantially semicircular cross section facing each other, with thermally conductive tubes in the registering grooves. A roofing tile which is a clay tile containing a thermally conductive material, with at least the exposed portion of the upper surface having a permanent black coating to enhance solar heat absorption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.