Impeller pump housing and impeller

Details Impeller pump housing and impeller Impeller pump housing and impeller

2006-05-10

2009-08-11

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

Fluid force on opposite face of blade or blade support member

C415S224000, C416S175000, C416S203000

Reexamination Certificate

active

07572097

ABSTRACT:
An impeller pump including a body and a cover assembled onto the body to form a housing. The body has a fluid inlet and a fluid outlet and an opening for receiving a rotating drive shaft. An impeller is rotatably positioned in the housing with paddles at a periphery thereof. The impeller includes a sleeve with a central pocket formed therein for receiving a drive shaft, a circumferential support ring, and a plurality of radially extending paddles extending from the circumferential support ring. The body and cover define an annular space circumferentially extending around an interior of the housing for receiving the paddles of the impeller. The cover has a wall portion enlarging the annular space in the housing through a portion of the circumference of the annular space.

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