METHOD AND ARRANGEMENT FOR A CONTROLLING STRATEGY FOR ELECTRONIC COMPONENTS IN A HYBRID ELECRTIC VEHICLE
First Claim
1. A method for controlling a cooling arrangement for electronic components in a hybrid electric vehicle, said method comprising:
- arranging an electronics cooling loop aboard a hybrid electric vehicle in which a DC to DC converter, a DC to AC inverter, and an electronics radiator are placed in fluid communication, one with the others, for cooling said DC to DC converter and said DC to AC inverter;
sensing a temperature condition in said electronics cooling loop; and
discontinuing operation of the DC to DC converter when a predetermined upper threshold temperature condition is sensed in said electronics cooling loop.
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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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Citations
24 Claims
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1. A method for controlling a cooling arrangement for electronic components in a hybrid electric vehicle, said method comprising:
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arranging an electronics cooling loop aboard a hybrid electric vehicle in which a DC to DC converter, a DC to AC inverter, and an electronics radiator are placed in fluid communication, one with the others, for cooling said DC to DC converter and said DC to AC inverter;
sensing a temperature condition in said electronics cooling loop; and
discontinuing operation of the DC to DC converter when a predetermined upper threshold temperature condition is sensed in said electronics cooling loop. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification