| 摘要 |
PROBLEM TO BE SOLVED: To provide a package type compressor having easy construction for efficiently lowering the temperature of compressed air flowing into a refrigerating air dryer. SOLUTION: Compressed air produced by a compressor body 2 flows via a first pipe 7 into an air tank 3 and is supplied from an air outlet 9 via a second pipe 8 to the outside of a case 1. The refrigerating air dryer 4 is provided on the midway of the second pipe 8. The compressed air in the second pipe 8 is cooled by refrigerant in the refrigerating air dryer 4, dehumidified and supplied to the air outlet 9. A second pipe 8A located at the front stage of the refrigerating air dryer 4 and a second pipe 8B located at the rear stage of the refrigerating air dryer are communicated with an outer tube 12b and an inner tube 12a of a double tube part 12, respectively, and heat-exchanged with the double tube part 12 to cool the compressed air flowing into the refrigerating air dryer 4 down to a lower temperature. COPYRIGHT: (C)2007,JPO&INPIT
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