Electromagnetic pump

Details Electromagnetic pump Electromagnetic pump

1988-11-14

1991-01-29

Smith, Leonard E.

Pumps

Electrical or getter type

Electromagnetic

310 11, H02N 420

Patent

active

049882678

ABSTRACT:
An electromagnetic pump for use in a pressure-feed device for feeding molten metal from a furnace to a casting machine includes a core protection tube housing a cylindrical core of ceramic for protecting the core from erosion by contact with molten metal, a duct accommodating the core protection tube with a space defined between the duct and the core protection tube, and a coil disposed around the duct and energizable for generating a moving magnetic field to feed molten metal filled in the space. The core protection tube is supported in the duct by a pair of support members having confronting end faces, respectively, fitted in the respective opposite ends of the core protection tube for holding opposite ends of the core.

REFERENCES:
patent: 2786416 (1954-09-01), Fenemore
patent: 2929326 (1955-06-01), Ingels
patent: 4212592 (1980-07-01), Olich et al.
Bamji, P. J. F., "Unconventional Electrical Machine for Circulating Molten Metal", Electric Power Applications, May 1978, vol. 1, No. 2, pp. 45-53.
I. Boldea and S. A. Nasar, Linear Motion Electromagnetic Systems, John Wiley & Sons, Inc., U.S.A. 1985, pp. 134 & 132.

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