Electromagnetic casting process utilizing an active transformer-

Details Electromagnetic casting process utilizing an active transformer- Electromagnetic casting process utilizing an active transformer-

1981-02-04

1982-03-16

Baldwin, Robert D.

Metal founding

Process

Shaping liquid metal against a forming surface

B22D 2702

Patent

active

043196250

ABSTRACT:
An electromagnetic casting process and apparatus utilizing an active transformer-driven copper shield. The shield is actively driven with a voltage out of phase with the voltage in the containment inductor with the result that a bucking current is produced in the shield which is out of phase with the current induced in the shield by the inductor. An active transformer-driven duplex variable impedance shield is also disclosed.

REFERENCES:
patent: 4265294 (1981-05-01), Gaule et al.

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