DRAG PUMP

A drag pump for pumping fluid from an inlet to an outlet includes a stator and a rotor. One of the stator or rotor includes a disc having a plurality of channels each of the channels extending from an inlet portion of the disc at or close to an inlet edge towards an outlet portion at or close to an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Hockliffe, Miles Geoffery, Galtry, Michael Andrew
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A drag pump for pumping fluid from an inlet to an outlet includes a stator and a rotor. One of the stator or rotor includes a disc having a plurality of channels each of the channels extending from an inlet portion of the disc at or close to an inlet edge towards an outlet portion at or close to an outlet edge. The plurality of channels each has walls for guiding fluid flow from the inlet edge to the outlet edge in response to relative motion between the stator and the rotor. The disc further includes a plurality of protrusions extending from the channels, each of the protrusions being arranged to divide a channel at the inlet or the outlet end of the channel, into sub-channels that extend for a portion of a length of the channel and do not extend for a whole length of the channel.