Sealed motor driven centrifugal fluid pump

Details Sealed motor driven centrifugal fluid pump Sealed motor driven centrifugal fluid pump

1996-08-09

1999-04-06

Thorpe, Timothy

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

4151711, 4174238, F04B 3906

Patent

active

058908803

ABSTRACT:
A motor driven centrifugal fluid pump has the a pump rotor, and the pump drive motor both enclosed in a sealed housing that contains sealed inside the fluid that is pumped, the pump rotor being carried on the motor drive shaft so that the rotor rotates freely within the housing when driven by the motor drive shaft, a fluid input from an outside source to the housing, a fluid output to an outside utilization system from the housing and means carried on the motor drive shaft for compelling some of the fluid inside the housing to flow in heat conducting proximity to the motor to cool the motor and also reduce the thrust load on the motor.

REFERENCES:
patent: 3507582 (1970-04-01), Jeep et al.
patent: 5209635 (1993-05-01), Stewart et al.

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