| 摘要 |
The invention relates to a system for producing and distributing compressed air that comprises at least one compressor ( 1 ) having connected thereto a suction pipe ( 2 ) for the intake of air and an output pipe ( 3 ) for air compressed by said at least one compressor, and distribution piping ( 4 ) connected to the output pipe ( 3 ) for distributing air to sites of use ( 5, 6 ). According to the invention, the system further comprises a return pipe ( 7 ) arranged between the suction pipe ( 2 ) and at least one site of use ( 5 ) for receiving air reduced in pressure in it and feeding it back to said at least one compressor ( 1 ).
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