Patent · US Expired

Smart, passive sun facing surfaces

US5511537A · kind A · utility

13Cited by
23References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 12, 1994
Grant dateApr 30, 1996
Priority date
Expiry dateMay 12, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/44
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An article adapted for selectively utilizing solar radiation comprises an absorptive surface and a reflective surface, the absorptive surface and the reflective surface oriented to absorb solar radiation when the sun is in a relatively low position, and to reflect solar radiation when the sun is in a relatively high position.

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