Multi-stage barrel type centrifugal pump with resilient compensa

Details Multi-stage barrel type centrifugal pump with resilient compensa Multi-stage barrel type centrifugal pump with resilient compensa

1979-04-30

1981-01-13

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Resilient

4151991, F01D 2524, F04D 106

Patent

active

042446759

ABSTRACT:
A compensator for differential thermal expansion in a multi-stage barrel type centrifugal pump has a truncated conical body section and a plurality of leaf springs extending radially from said body section, the compensator is disposed in the multi-stage barrel type centrifugal pump between the outer casing and the end most interstage pumping assembly of a plurality of serially disposed interstage pumping assemblies in the centrifugal pump so that it is biased by the leaf springs to exert a controlled force in the direction of the end most interstage pumping assembly to permit movement between the serially disposed interstage pumping assemblies with variations in temperature arising during the operation of the centrifugal pump while continuing to maintain a tight seal between these respective interstage pumping assemblies.

REFERENCES:
patent: 2017544 (1935-10-01), McHugh
patent: 3010697 (1961-11-01), Lazo et al.
patent: 3676013 (1972-07-01), Albertson
patent: 3801217 (1974-04-01), Ryall et al.
patent: 4098558 (1978-07-01), Bush

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