City electric bus powered by ultracapacitors
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United States of America Patent
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Oct 22, 2013
Grant Date -
Oct 28, 2010
app pub date -
Dec 22, 2009
filing date -
Apr 24, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Described are a method and apparatus for charging an electric vehicle powered by ultracapacitors. The vehicle includes a current collector device for collecting power from an external power source, an electric motor module for providing a driving force to the vehicle, an ultracapacitor module, and a charger device. The ultracapacitor module includes one or more ultracapacitors. The ultracapacitor module is coupled to the current collector device for receiving power and is coupled to the electric motor module for providing power. The charger device is connected to the current collector, the ultracapacitor module, and to a temperature signal associated with one or more of the one or more ultracapacitors. The charger device is configured to adjust power supplied to the ultracapacitor module based on the temperature signal.
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