Patent · US Active

Electric vehicle control device

US8269446B2 · kind B2 · utility

1Cited by
9References
4Claims
0Family size

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Key dates

Filing dateJun 30, 2011
Grant dateSep 18, 2012
Priority date
Expiry dateJun 30, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/72
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

When an electric vehicle outputs a torque instruction, firstly, a request torque is acquired and a judged whether the acquired request torque is positive or negative. Regardless of the sign of the request torque, it is judged whether the eco-switch is ON. If the request torque has a positive sign and the eco-switch is OFF, a map A is selected. If the eco-switch is ON, a map B which limits the maximum torque to a low value for the map A is selected. If the request torque has a negative sign, a map C is selected regardless of the eco-switch ON/OFF state and the maximum torque is not limited.

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