Patent · US Expired

Battery charger

US6806678B2 · kind B2 · utility

6Cited by
4References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 20, 2003
Grant dateOct 19, 2004
Priority date
Expiry dateFeb 20, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P90/40
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A battery charger for use with a battery, and which is provided with a first charging current to substantially maintain the electrical charge of the battery is described and which includes a plurality of fuel cell modules which supply a second charging current for substantially maintaining the charge of the battery; and a controller electrically coupled with the plurality of fuel cell modules, and wherein upon interruption of the first charging current, the controller operably delivers the second charging current to the battery.

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