Adjustable centrifugal pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4643639
SERIAL NO

06685472

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An improved pump for efficient operation at low flow rates to avoid undue power consumption and heating of the fluid being pumped. There is provided a centrifugal pump including a housing with an inlet. A radial or mixed flow discharge impeller is rotatably mounted within the housing and an outlet volute extends about the impeller. First and second axially spaced diffusion passages establish fluid communication between the impeller and the volute and a valve is provided for closing one of the passages when low flow rates are demanded of the pump to minimize recirculation, leakage and churning losses consuming the power and leading to heating of the fluid.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SUNDSTRAND CORPORATION A DE CORP4949 HARRISON AVENUE P O BOX 7003 ROCKFORD IL 61125

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caine, Gerard H Rockford, IL 1 24

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation