Industrial electric heating furnaces – Induction furnace device
Reexamination Certificate
2006-02-14
2006-02-14
Hoang, Tu (Department: 3742)
Industrial electric heating furnaces
Induction furnace device
C373S152000, C373S160000, C219S672000
Reexamination Certificate
active
06999496
ABSTRACT:
An induction heating and melting system uses a crucible formed from a material that has a high electrical resistivity or high magnetic permeability, and one or more inductor coils formed from a wound cable consisting of multiple individually insulated copper conductors to form an induction furnace that, along with its associated power supply, provides a compact design. The system components are air-cooled; no water-cooling is required. The crucible may alternatively be shaped as a tunnel or enclosed furnace.
REFERENCES:
patent: 4330698 (1982-05-01), Sawada et al.
patent: 5425047 (1995-06-01), Betz et al.
patent: 6101212 (2000-08-01), Hugo et al.
patent: 6393044 (2002-05-01), Fishman et al.
patent: 6690710 (2004-02-01), Fishman et al.
Fishman Oleg S.
Raffner Bernard M.
Hoang Tu
Inductotherm Corp.
Post Philip O.
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