Hydraulic periphery pumps

Details Hydraulic periphery pumps Hydraulic periphery pumps

1989-05-08

1991-05-21

Kwon, John T.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Turbine regenerative pump

415143, F04D 500

Patent

active

050170864

ABSTRACT:
A hydraulic periphery pump that includes a housing having a pump drive shaft mounted for rotation about its axis. An impeller is coupled to the drive shaft for rotation within the housing and has a disc-shaped body with axially orientated substantially flat side faces. A circumferential array of vanes are formed around the periphery of the impeller body. Backup plates in the housing have flat faces opposed to the impeller side faces. An arcuate fluid chamber surrounds the impeller periphery and has angularly spaced fluid inlet and outlet ports. Axially orientated slots or channels in the impeller side faces cooperate with fluid passages in the backup plates to centrifugally boost fluid pressure and, in effect, form a liquid-piston boost first stage for the periphery pump chamber, or to form a two-stage impeller system.

REFERENCES:
patent: 2247335 (1941-06-01), Neibert
patent: 2461865 (1949-02-01), Adams
patent: 2581828 (1952-01-01), Adams
patent: 2952214 (1960-09-01), Adams
patent: 4556363 (1985-12-01), Watanabe et al.
Performance of the Rotray Pump by H. W. Iverson, Berkelt, Calif. Jan. 1955.

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