Metal founding – Process – With measuring – testing – inspecting – or condition determination
Patent
1974-07-17
1976-03-09
Shore, Ronald J.
Metal founding
Process
With measuring, testing, inspecting, or condition determination
164 49, 164155, 164147, 222383, 417 50, B22D 2702
Patent
active
039425770
ABSTRACT:
A method of controlling electromagnetic casting for carrying out the pouring of molten metal is disclosed which utilizes an electromagnetic force generated by a travelling magnetic field. The apparatus for performing the method is constructed so that a single magnet coil for generating a travelling magnetic field is employed and the input current of one phase of the three-phase alternating current to be applied to the magnet coil is subjected to phase control, whereby the electromagnetic force of the travelling magnetic field is controlled so as to automatically effect compensation for the change of the molten metal level due to the decrease of the amount of molten metal remaining to be poured.
REFERENCES:
patent: 3706399 (1972-12-01), Sundberg
patent: 3791437 (1974-02-01), Yamada et al.
patent: 3834587 (1974-09-01), Bengt et al.
patent: 3844453 (1974-10-01), Eickelberg
Iwama Norio
Kawano Fumio
Uozumi Minoru
Kabushiki Kaisha Toyota Chuo Kenkyusho
Roethel John E.
Shore Ronald J.
Toyota Jidosha Kogyo Kabushiki Kaisha
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