Immersion pump, especially for low-boiling fluids

Details Immersion pump, especially for low-boiling fluids Immersion pump, especially for low-boiling fluids

1988-05-04

1990-08-14

Smith, Leonard E.

Pumps

Motor driven

Axial thrust balancing means for rotary pump and motor

4174233, 41742312, 417901, F04B 1702

Patent

active

049483480

ABSTRACT:
An immersion pump, especially for low-boiling fluids, having a support for a shaft and a ferromagnetic impeller wheel mounted to the shaft. The support includes at least one controllable electromagnet that operates to axially support and position the impeller wheel. An outlet path is also provided to enable vapor bubbles within the moving fluid to escape from the pump and be returned to the liquid supply.

REFERENCES:
patent: 3316849 (1967-05-01), Cooper et al.
patent: 3975117 (1976-08-01), Carter
patent: 4060250 (1977-11-01), Davis et al.
patent: 4523896 (1985-06-01), Lhenry et al.
patent: 4620752 (1986-11-01), Fremerey et al.

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