Electromagnetic induction pump for molten metal including impuri

Details Electromagnetic induction pump for molten metal including impuri Electromagnetic induction pump for molten metal including impuri

1977-07-19

1979-03-13

Croyle, Carlton R.

Pumps

Electrical or getter type

Electromagnetic

H02N 420

Patent

active

041439970

ABSTRACT:
The pump is contained in a refractory block which is plunged into a melt of molten metal to be pumped. An electric current is induced to flow in the molten metal along a straight horizontal conduit in the block and the circuit is closed by the current flowing around the refractory block, within the melt. A magnetic field is induced horizontally at right angles to the current and a net upward pumping force is generated. By having only a part of the electric current circuit inside the refractory block it is relatively easy to clean out slag deposits after prolonged use.

REFERENCES:
patent: 2787219 (1957-04-01), Werner
patent: 3426967 (1969-02-01), Roberts et al.
patent: 3785744 (1974-01-01), Carbonnel
patent: 3787143 (1974-01-01), Carbonnel et al.
patent: 3809497 (1974-05-01), Carbonnel et al.
patent: 3837763 (1974-09-01), Ertand et al.

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