Fluid handling – Systems – Closed circulating system
Reexamination Certificate
2007-07-10
2007-07-10
Rivell, John (Department: 3753)
Fluid handling
Systems
Closed circulating system
C137S565180
Reexamination Certificate
active
10467870
ABSTRACT:
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 the at least one compressor, and distribution piping (4) connected to the output pipe (3) for distributing air to sites of use (5, 6). 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 the at least one compressor (1).
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patent: 1017835 (1912-02-01), Wilkinson
patent: 1865110 (1932-06-01), Johnson, Jr. et al.
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patent: 5558141 (1996-09-01), Dannohl
patent: 5582030 (1996-12-01), Dannohl
patent: 5775442 (1998-07-01), Speed
patent: 5890549 (1999-04-01), Sprehe
patent: 2410832 (1975-09-01), None
patent: 10-246201 (1998-09-01), None
OP Systems Oy
Rivell John
Young & Thompson
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