Patent · US Active

Industrial truck with a battery and method for operating an industrial truck with a battery

US7872449B2 · kind B2 · utility

9Cited by
49References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 13, 2007
Grant dateJan 18, 2011
Priority date
Expiry dateFeb 18, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/389
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention relates to an industrial truck with at least one drive battery and at least one apparatus (A) for determining the state of charge of the battery and to a method for operating such an industrial truck. The apparatus (A) for determining the state of charge of the battery includes a device (B) for determining the dynamic internal resistance and a device (C) for determining the internal cell voltage of the battery with the aid of the dynamic internal resistance.

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