Patent · US Expired

Solar collector

US4091793A · kind A · utility

15Cited by

6References

4Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Wilhelm Hermann · Roetgen, DE
Horst Horster

Key dates

Filing date	Apr 21, 1976
Grant date	May 30, 1978
Priority date	—
Expiry date	Apr 21, 1996

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P80/20
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A solar collector comprising an absorber and a heat-insulating transparent cover which consists of a number of sealed and evacuated glass tubes adjacently arranged in contact with each other, at least the lower half of the inner surface of each glass tube being provided with an infrared-reflecting layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.