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Title: Electric-drive tractability indicator integrated in hybrid electric vehicle tachometer

Patent ·
OSTI ID:1151822

An indicator, system and method of indicating electric drive usability in a hybrid electric vehicle. A tachometer is used that includes a display having an all-electric drive portion and a hybrid drive portion. The all-electric drive portion and the hybrid drive portion share a first boundary which indicates a minimum electric drive usability and a beginning of hybrid drive operation of the vehicle. The indicated level of electric drive usability is derived from at least one of a percent battery discharge, a percent maximum torque provided by the electric drive, and a percent electric drive to hybrid drive operating cost for the hybrid electric vehicle.

Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0002720; EE0004529
Assignee:
Chrysler Group LLC (Auburn Hills, MI)
Patent Number(s):
8,825,283
Application Number:
13/593,589
OSTI ID:
1151822
Country of Publication:
United States
Language:
English

References (3)


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