Patent · US Expired

Monitoring apparatus for a series assembly of battery modules

US6020717A · kind A · utility

33Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 1995
Grant dateFeb 1, 2000
Priority date
Expiry dateNov 6, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T90/16
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

Voltage monitoring units are connected in parallel to each of battery modules constituting a battery pack, and they measure the voltages; photocouplers which receive outputs of the units as the primary inputs generate secondary outputs which are electrically insulated from the primary inputs; and the secondary outputs are transmitted to an external control apparatus.

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