Patent · US Expired

Solar cell battery charging control system

US4240021A · kind A · utility

60Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1978
Grant dateDec 16, 1980
Priority date
Expiry dateMay 12, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S323/906
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A solar cell battery charging control system having a storage battery and a plurality of solar cells connected in series for charging the storage battery, which system comprises a heavy load means adapted to be driven by the storage battery to discharge the storage battery for thereby preventing overcharging of the storage battery when a battery charge level exceeds a predetermined value.

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