MULTI-STAGE GAS COMPRESSING APPARATUS
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United States of America Patent
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Issued Date -
Nov 6, 2008
app pub date -
Apr 21, 2008
filing date -
Apr 26, 2007
priority date (Note) -
Abandoned
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Abstract
A multi-stage gas compressing apparatus comprises a primary gas compressor and a secondary gas compressor. A gas compressed in the primary gas compressor is transferred to the secondary gas compressor in which the gas is further compressed. A detector detects upper and lower limits of discharge pressure from the secondary gas compressor, and a signal is sent from the detector to a control device connected to the primary and secondary gas compressors. Then, the primary and secondary gas compressors are started or stopped by the control device.
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