Accession Number : ADD014150

Title :   Variable Capacity Centrifugal Pump.

Descriptive Note : Patent, Filed 23 Feb 88, patented 9 May 89,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Morris, Joseph H ; Jarski, Edmund J ; Harris, Gregory E

Report Date : 09 May 1989

Pagination or Media Count : 6

Abstract : A variable capacity centrifugal pump capable of directly varying capacity, or output, in response to existing back pressure. The pump comprises a axially movable shroud having female grooves in fluid tight communication with male impeller vanes. The shroud has a top faces surface in fluid communication with a control cavity which in turn is in fluid communication with pump back pressure. Patents. (RH)

Descriptors :   *BACK PRESSURE, *CAPACITY(QUANTITY), *CENTRIFUGAL PUMPS, *FLUIDS, *PATENTS, *VARIABLES, CAVITIES, COMMUNICATION AND RADIO SYSTEMS, CONTROL, PUMPS, TIGHTNESS

Subject Categories : Hydraulic and Pneumatic Equipment
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE