Electric heating – Inductive heating – With power supply system
Reexamination Certificate
2006-05-23
2006-05-23
Van, Quang (Department: 3742)
Electric heating
Inductive heating
With power supply system
C219S653000
Reexamination Certificate
active
07049565
ABSTRACT:
The present invention utilizes a dynamically controlled frequency system for the process of induction heating semi-solid material. Semi-solid precursor material is machined into billets of a desired size. These billets are subjected to one or more heating processes utilizing an induction heating process that is dynamically controlled by adjusting the frequency of an induction coil current to achieve a desired temperature in a semi-solid material billet.
REFERENCES:
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patent: 4289946 (1981-09-01), Yarwood et al.
patent: 4524820 (1985-06-01), Gullotti et al.
patent: 6079477 (2000-06-01), Woodhouse
patent: 3820583 (1989-12-01), None
patent: WO 200127341 (2001-04-01), None
Riviere Alfredo
Saluja Navtej Singh
Choate,Hall & Stewart LLP
Van Quang
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