Seal means for a centrifugal pump

Details Seal means for a centrifugal pump Seal means for a centrifugal pump

1976-05-24

1978-04-11

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415170A, 4151991, 277 3, F01D 1100, F04D 2910

Patent

active

040836479

ABSTRACT:
A pump for handling liquids laden with abrasive particles in which the seal of the shaft between the low- and high-pressure stages comprises at least two floating rings provided on the shaft in a circular gap between the shaft and the casing. The casing has a circular collar at the side of the low-pressure stage, partly covering the circular gap which is adjoined by the rings during pump operation.

REFERENCES:
patent: 641624 (1900-01-01), Clarke et al.
patent: 846747 (1907-03-01), Kerr
patent: 2686657 (1954-08-01), Kalitinsky
patent: 2711332 (1955-06-01), Audemar
patent: 3154020 (1964-10-01), Sieghartner
patent: 3311343 (1967-03-01), Miller et al.

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