Electromagnetic pump

Details Electromagnetic pump Electromagnetic pump

1979-11-26

1983-03-15

Croyle, Carlton R.

Pumps

Electrical or getter type

Electromagnetic

H02N 420

Patent

active

043766153

ABSTRACT:
The electromagnetic pump comprises specially shaped magnetic pole extensions disposed around the duct along the line of flow of the fluid. The pole extensions increase the magnetic field along the axial center line of the duct, thereby increasing the mid-duct fluid body forces which in turn increase mid-duct velocity. The pole extensions decrease both viscous drag along the electrode walls and turbulent mixing in the exit regions of the duct. Both of these reductions increase pump efficiency. Moreover, the nearly uniformed velocity profile obtained with these pole extensions reduces current leakage in the end regions of the electrodes.

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