Accession Number : ADD013452

Title :   Variable Geometry Centrifugal Pump.

Descriptive Note : Patent, Filed 15 Sep 81, patented 29 Nov 83,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Morris, Joseph H

Report Date : 29 Nov 1983

Pagination or Media Count : 8

Abstract : A variable breadth centrifugal pump arrangement includes two intermeshing impeller sections that are mounted to a common pump shaft so that one of the impeller section. The impeller sections are rotationally interconnected by a torque transmitting member in the form of a bellows element, which may comprise an axially resilient metal tube formed with a plurality of pleats or a plurality of radially spaced pleated metal tubes that are separated by elastomeric material. Another form of torque transmitting bellows element comprises a plurality of dish-shaped element connected together at their central and peripheral edge portions.

Descriptors :   *CENTRIFUGAL PUMPS, *IMPELLERS, BELLOWS, EDGES, ELASTOMERS, GEOMETRY, MATERIALS, PUMPS, SEPARATION, SHAFTS(MACHINE ELEMENTS), TORQUE, TRANSMITTING, VARIATIONS, PATENTS

Subject Categories : Pumps, Filters, Pipes, Tubing, Fittings & Vlvs

Distribution Statement : APPROVED FOR PUBLIC RELEASE