Control apparatus for hybrid vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 8, 2003
Grant Date -
Dec 6, 2001
app pub date -
Jun 4, 2001
filing date -
Jun 6, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hybrid vehicle includes a control apparatus having an engine controller and a motor controller. A first battery and a second battery which has higher voltage than the first battery are provided. An electric power generator which is driven by the engine is provided for charging the first battery. The second battery and the electric motor are connected through the motor controller, and the first battery or the electric power generator is connected to the motor controller and the engine controller. In addition, the first battery or the electric power generator is connected to the engine controller for maintaining a power supply for operation maintenance of the engine controller. The second battery and the electric motor are connected through the motor controller. The second battery or the electric motor is connected to the motor controller through a DC/DC converter. As a result, even if the high voltage line including the electric motor in the control apparatus for the hybrid vehicle has failed, this system can drive the vehicle.
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