Centrifugal pump with modular bearing support for pumping fluids

Details Centrifugal pump with modular bearing support for pumping fluids Centrifugal pump with modular bearing support for pumping fluids

1989-03-24

1991-07-23

Hannon, Thomas R.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

415180, 4151721, 415901, 384425, F04D 2902

Patent

active

050339370

ABSTRACT:
A submersible centrifugal pump is disclosed. It includes a housing with a linear stack of axially mounted pumping units therein. Each unit constructed as a module with at least a first and a second impeller mounted to a central shaft. A diffuser forms an outer casing which is provided for each impeller. A thrust bearing, lubricated and cooled by the fluid being pumped is supported from and to the outer casing and is arranged to receive axial force from the upstream impellers in each modular unit. A plurality of impellers and diffusers can form a single modular unit.

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