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:

1989-05-09

Pagination or Media Count:

6.0

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