Portable pump with air seal

Details Portable pump with air seal Portable pump with air seal

1984-11-16

1986-12-09

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

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

Cross flow runner

415111, 415175, F04D 2910, F04D 302

Patent

active

046277900

ABSTRACT:
An axial flow liquid pump comprises an outer tube, a smaller diameter inner tube, and a driven shaft journaled near the top of the inner tube. An upwardly opening cup-shaped rotor is secured in the lower end of the shaft such that a cylindrical sidewall is at least partially spaced between the inner tube and the outer tube. A helical flange is secured to the outer surface of the cylindrical sidewall. Radial passages are provided in said rotor below the helical flange. The passages are arranged to be above the lower end of the inner tube. A baffle plate having passages therein is secured just above the rotor.

REFERENCES:
patent: 1027947 (1912-05-01), Wedge
patent: 1460982 (1923-07-01), Records
patent: 3836280 (1974-09-01), Koch
patent: 4073606 (1978-02-01), Eller
patent: 4239422 (1980-12-01), Clancey
patent: 4341503 (1982-07-01), Gschwender et al.
patent: 4406582 (1983-09-01), LaGrange

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