Patent · US Expired

Passive solar device for heating and cooling

US4232731A · kind A · utility

22Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 1978
Grant dateNov 11, 1980
Priority date
Expiry dateJun 28, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S165/904
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A thermal control and storage unit, in the general form of a Venetian blind for location at windows and the like, comprises vanes of polygonal cross-section, having facets that selectively control radiative and other heat transfer in different orientations and that define compartments containing a phase transformation energy storage medium for solar energy conversion.

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