Arrangement on electric induction furnaces for the determination

Details Arrangement on electric induction furnaces for the determination Arrangement on electric induction furnaces for the determination

1975-06-02

1976-10-19

Enval, Jr., R. N.

Electric heating

Microwave heating

Tunnel furnace

219 1077, H05B 500

Patent

active

039872360

ABSTRACT:
The invention is an improved detector system for determining and indicating the level of a molten charge within a furnace. The system can determine the level of the charge without the need for having contacts or other sensing devices within the furnace by sensing impedance changes in the furnace's heating coils.

REFERENCES:
patent: 3185811 (1965-05-01), Kasper et al.
patent: 3185894 (1965-05-01), Beckius
patent: 3331909 (1967-07-01), Kasper
patent: 3622678 (1971-11-01), Allen
patent: 3917896 (1975-11-01), Nakagawa et al.

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