Variable Geometry Centrifugal Pump.
Patent, Filed 15 Sep 81, patented 29 Nov 83,
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
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.
- Pumps, Filters, Pipes, Tubing, Fittings and Valves