Patent · US Expired

System for managing electric power in a hybrid motor vehicle

US6949841B1 · kind B1 · utility

14Cited by
11References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 29, 2000
Grant dateSep 27, 2005
Priority date
Expiry dateJan 22, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/7072
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

For a parallel hybrid motor vehicle equipped with a power unit comprising an electric machine and a heat machine and provided with a power or high-voltage battery and a duty or low-voltage battery, a system for managing energy includes means for managing the power of the power unit capable of supplying data representing estimates of drive torque and of generating torque and Boolean data representing authorization to stop or start the heat machine; means for managing the duty battery for receiving data indicating temperature of the battery and for supplying to the power management means data indicating the battery charge set value; and means for managing the power battery for receiving data indicating temperature values, charging current and voltage values of the battery and for supplying data to the power management means of the power unit indicating the type of charging to be performed for the battery.

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