| 摘要 |
PROBLEM TO BE SOLVED: To suppress breakage by impact and the like in a cooler using a cooling medium. SOLUTION: A cooler 20 arranged in a PCU 12 is provided with a bottom plate 22, a top plate 28 and a shell 30 arranged between them. The shell 30 is provided with an inflow side pipe 32 and an outflow side pipe 34 for making the cooling medium flow inside. The bottom plate 22 is provided with fixing holes 36, 38 for fixing the cooler 20 at a suitable position in the PCU 12. Between the fixing hole 38 and the outflow side pipe 34, a notched section 42 is arranged on the bottom plate 22 to partially reduce rigidity so that the shell 30 does not break when an impactive force is applied to the cooler 20. A notched section 40 may be arranged between the part where the fixing hole 36 is arranged and the inflow side pipe 32. COPYRIGHT: (C)2009,JPO&INPIT
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