Pump for pumping fluids
AssigneeStar Oil Tools Inc.
InventorMarcel Obrejanu
Life of this patent
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Abstract
A pump is disclosed which has a housing with a upper end and a lower end. A conduit is defined through the housing between the upper and the lower ends. The pump includes an impeller within the housing, an inlet from the conduit to the impeller and an outlet from the impeller. Portions of the impeller may be distributed around the conduit. The pump may also include a motor coupled to the impeller. Portions of motor may also be distributed around the conduit. The outlet from the impeller may be independent of the conduit.
Claims21
A pump for pumping fluid comprising:
- a conduit for carrying fluid,
- a fluid displacer means positioned externally of the fluid conduit and having a plurality of portions which are arranged to act on fluid at different positions about the fluid conduit,
- means for introducing fluid to the fluid displacer means to be pumped thereby and means for directing pumped fluid from the fluid displacer.
A pump for pumping fluid comprising:
- a conduit for carrying fluid,
- a fluid displacer means positioned externally of the fluid conduit and having a plurality of portions which are arranged to act on fluid,
- means for introducing fluid to the fluid displacer means to be pumped thereby,
- and means for directing pumped fluid from the fluid displacer external to the conduit.
A motor for use with a fluid conduit, the motor including a rotor wherein the rotor is positioned to rotate about the fluid conduit.
Dependencies are inferred from the claim text.