| 摘要 |
PROBLEM TO BE SOLVED: To improve cooling efficiency of a radiator by securing the air amount of a flow flowing through a ventilation passage irrespective of an output of a first fan. SOLUTION: The Stirling cooler is provided with a cooler body 1A, a high temperature side condenser 7 for cooling of a high temperature part 2 of a Stirling refrigerating machine 4 provided in the cooler body 1, the ventilation passage 1B passing through air for cooling of the high temperature side condenser 7, and a fan 12C and a fan 8 generating an air flow in the ventilation passage 1B. The fan 8 is provided so as to generate an air flow along a flow of an air flow in a downstream side of an air flow flowing along the ventilation passage 1B generated by the fan 12C, and a passage 1C being a bypass path stretching from an upstream side of the fan 12c to a middle of the fan 12C and the fan 8 is provided on the ventilation passage 1B. COPYRIGHT: (C)2007,JPO&INPIT
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