METHOD AND ARRANGEMENT FOR A CONTROLLING STRATEGY FOR ELECTRONIC COMPONENTS IN A HYBRID ELECRTIC VEHICLE
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United States of America Patent
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Dec 16, 2003
Grant Date -
Dec 18, 2003
app pub date -
Jun 17, 2002
filing date -
Jun 17, 2002
priority date (Note) -
Granted
status (Latency Note)
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Abstract
A method for controlling a cooling arrangement for electronic components in a hybrid electric vehicle is disclosed. The method includes arranging an electronics cooling loop aboard a hybrid electric vehicle in which a DC to DC converter, DC to AC inverter, and an electronics radiator are placed in fluid communication, one with the others, for cooling the DC to DC converter and the DC to AC inverter; sensing a temperature condition in the electronics cooling loop; and discontinuing operation of the DC to DC converter when a predetermined upper threshold temperature condition is sensed in the electronics cooling loop. A voltage condition of a 12 volt battery may also be sensed, and operation of the DC to DC converter may be resumed when the voltage condition sensed falls below a predetermined lower voltage limit.
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