CENTRIFUGAL GAS COMPRESSOR OR PUMP COMPRISING A TOOTHED RING AND A COWL
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United States of America Patent
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Issued Date -
Nov 5, 2015
app pub date -
Dec 4, 2013
filing date -
Dec 4, 2012
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Abstract
A centrifugal gas compressor or pump comprising a body, a wheel rotatably mounted within the body around a wheel axis, the wheel comprising a hub, a set of blades fastened to the hub, the body comprising a diffuser placed on the periphery of the wheel and a fluid intake placed facing the hub, the blades comprising a first edge facing the intake and a second edge facing the diffuser so that a fluid travels from the intake to the diffuser, the second edges being located inside a blade-enveloping cylinder centred on the wheel axis. The wheel comprises a toothed ring fastened to the wheel, which extends radially past the enveloping cylinder to form a diffuser wall.
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