CENTRIFUGAL COMPRESSOR
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United States of America Patent
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Issued Date -
Jul 11, 2019
app pub date -
Nov 16, 2017
filing date -
Nov 17, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A centrifugal compressor includes a compressor impeller attached to a rotary shaft and a housing accommodating the rotary shaft and the compressor impeller. The housing includes a suction portion formed upstream of the compressor impeller and a high pressure part formed on a rear face side of the compressor impeller and having a pressure higher than a pressure in the suction portion during rotation of the compressor impeller. The housing has a discharge passage formed for connecting the high pressure part to a low pressure part including the suction portion and a gas flow path upstream of the suction portion.
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