Patent · US Expired

Solar energy heat collector

US4170984A · kind A · utility

11Cited by
17References
72Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 17, 1977
Grant dateOct 16, 1979
Priority date
Expiry dateFeb 17, 1997

Classification

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

Abstract

A gravity-flow, sheet-flow solar heat collector wherein the heat-absorbent medium is a dark fluid having a minimum viscosity of about 10 centipoise at 120.degree. F.

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