Compressed air supply apparatus
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United States of America Patent
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Nov 22, 2016
Issued Date -
N/A
app pub date -
Nov 25, 2013
filing date -
Feb 6, 2013
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Abstract
A compressed air supply apparatus includes a control unit configured to operate an air compressor when a measurement value of a pressure measurement unit reaches a first pressure or less, and configured to stop the air compressor when the measurement value reaches a second pressure higher than the first pressure, and a plurality of relief valve apparatuses installed in each of the connection flow path between the air compressor and each of a plurality of air tanks, wherein each of the plurality of relief valve apparatuses is configured to open the connection flow path to the atmosphere when the measurement value reaches a third pressure higher than the second pressure and close the connection flow path when the measurement value reaches a fourth pressure higher than the second pressure and lower than the third pressure after the opening.
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