AC melt to bushing current detector

Details AC melt to bushing current detector AC melt to bushing current detector

2006-11-02

2009-12-15

Paladini, Albert W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S042000, C373S159000, C373S161000, C373S162000

Reexamination Certificate

active

07633734

ABSTRACT:
An AC melt to bushing current detector (FIG.4) for a channel induction furnace (FIG.1) which can detect when molten metal from the loop (122) in a saturated inductor (FIG.5) has come in contact with the metal bushing (236) whereupon the power to the induction coil (234) is turned off, preventing a catastrophic molten metal run out through the bushing (236).

REFERENCES:
patent: 4481639 (1984-11-01), Archenholtz et al.
patent: 4612498 (1986-09-01), Smalley
patent: 6208682 (2001-03-01), Archenholtz et al.

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