Thermal management of components in electric motor drive vehicles
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United States of America Patent
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Dec 2, 2014
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N/A
app pub date -
Jul 26, 2012
filing date -
Jul 26, 2011
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Abstract
Thermal management of various components such as electrical energy storage devices (e.g., batteries, super- or ultracapacitors), power converters and/or control circuits, in electrically powered vehicles may employ active temperature adjustment devices (e.g., Peltier devices), which may advantageously be powered using electrical energy generated by the traction electric motor during regenerative braking operation. Temperature adjustment may include cooling or heating one or more components. The adjustment may be based on a variety of factors or conditions, for instance sensed temperature, sensed current draw, sensed voltage, sensed rotational speed.
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