Pump having flush system for seal arrangement

Details Pump having flush system for seal arrangement Pump having flush system for seal arrangement

1996-05-15

1998-06-30

Verdier, Christopher

Rotary kinetic fluid motors or pumps

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

For shaft sealing, packing, lubricating or bearing means

415111, 415113, 415180, 277 24, 277 74, F04D 2912

Patent

active

057723966

ABSTRACT:
A centrifugal pump having a sealing flushing system. An annular flush ring insert having a plurality of radially spaced flush holes is provided adjacent the seal to be flushed so as to permit the seal to be flushed at a number of different places around the pump shaft and from a plurality of different radially spaced directions. The flushing fluid flows through a gland, into and through the flush ring insert, flushes (i.e. cleans and/or cools) the seal, and then flows on into the fluid being pumped.

REFERENCES:
patent: 3612548 (1971-10-01), Tracy
patent: 3850550 (1974-11-01), Kaessen
patent: 4328973 (1982-05-01), Delbridge
patent: 5203575 (1993-04-01), Azibert et al.

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