Centrifugal gas compressor or pump comprising a toothed ring and a cowl
AssigneeThy Engineering
InventorsStéphan Aubin, Viviane Ciais, Mathieu Roumeas
Life of this patent
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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.
Claims8
A centrifugal gas compressor or pump comprising a body, a wheel rotatively mounted in the body around a wheel axis the wheel comprising a hub, a set of blades in attached to the hub, the body comprising as diffuser placed on the periphery of the wheel and a fluid intake placed opposite the hub, the blades comprising as first edge opposite the intake and a second edge opposite the diffuser so that a fluid circulates from the intake to the diffuser, the second edges being located inside a blade-enveloping cylinder centered on the wheel axis, wherein the wheel comprises at least one ring, attached to the wheel and which extends radially beyond the blade-enveloping cylinder to form a wall of the diffuser.
Dependencies are inferred from the claim text.