Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having tangential inlet or outlet
Patent
1988-10-21
1990-06-12
Price, Carl D.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing having tangential inlet or outlet
4151691, F04D 2922
Patent
active
049328379
ABSTRACT:
A centrifugal pump is provided for transporting pressurized liquids containing solid particles. The pump housing defines a first cylindrical-shaped interior cavity and a second frustoconical interior cavity axially interconnecting the fluid inlet to the pump and the first interior cavity. An impeller includes a plurality of vanes each having a first portion positioned within the first cavity and having an outward axially extending edge spaced uniformly from the central axis of the pump. Each of the vanes includes a second portion positioned within the second cavity and having an outward axially extending edge spaced from the central axis a variable distance directly proportional to its axial spacing from the fluid inlet. The edge of each of the vanes is spaced a preselected distance of at least one quarter inch from the side walls of the housing, such that each of the vanes remains out of sealing engagement with the housing. The pump is not susceptible to plugging, jamming, or excessive repair caused by the solid materials in the liquid, and a relatively low horse power motor can efficiently pump fluids at a comparatively high pressure.
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Kwon John T.
Price Carl D.
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