| 摘要 |
A heat pipe cooling device and power converting device having a heat receiving member for mounting a heating element thereon and a plurality of heat pipes, comprising a heat conductor which is provided with long and short heat pipes and conducts heat from the heat receiving member to the short heat pipes at a temperature below the freezing point of a refrigerant, whereby a specified cooling performance can be obtained under the environmental condition that the temperature is below the freezing point of the refrigerant. |
