Pump having a bushing removal mechanism

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Access opening through portion of casing or cover

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Details

415170R, 415213A, 277112, 403348, F01D 2524

Patent

active

046610448

ABSTRACT:
A mechanism is disclosed for use in permitting inspection and/or replacement of a seal chamber bushing of a centrifugal or axial flow pump at a point of pump installation and without necessitating disassembly of the pump rotating assembly. The mechanism includes a bushing holder, which is removably fitted within a pump shaft access or receiving opening extending through a pump backplate or stuffing box cover; and a gland or seal chamber housing, which is removably mounted on the backplate and releasably coupled to the bushing holder in a manner facilitating removal of the latter from within the pump shaft access opening.

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