| 摘要 |
PROBLEM TO BE SOLVED: To improve cooling efficiency and heat resistance by cooling a delivery pipe by a cooling fan arranged in a driving pulley. SOLUTION: An apparatus such as a compressor body 4, a motor 19 and a tank 26 is arranged in a soundproof box 1, and the delivery pipe 25 is arranged between the delivery side of the compressor body 4 and the tank 26. The driving pulley 20 for driving the compressor body 4 is arranged on an output shaft 19B of the motor 19, and an exhaust fan 24 exhausting air in the soundproof box 1 is arranged on the inner peripheral side of the driving pulley 20. The delivery pipe 25 is provided with a fan opposed part 25A extending by passing through a position opposed to the exhaust fan 24. Thus, when operating a compressor, while cooling the apparatus in the soundproof box 1 by the exhaust fan 24, compressed air flowing in the delivery pipe 25 can be efficiently cooled in a position of the fan opposed part 25A, and the temperature in the soundproof box 1 can be lowered. COPYRIGHT: (C)2007,JPO&INPIT
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