Electric heating – Inductive heating – With power supply system
Reexamination Certificate
2005-11-15
2005-11-15
Leung, Philip H. (Department: 3742)
Electric heating
Inductive heating
With power supply system
C219S668000, C377S015000, C377S016000
Reexamination Certificate
active
06965098
ABSTRACT:
An induction heat treating process with a sensor for monitoring the duration of energization of an induction heating coil each time the induction heating coil is consecutively cycled. The sensor is preferably a counting mechanism attached to or embedded within the induction heating coil and is preferably triggered by and responds to the change in voltage generated as the coil is energized. Alternative means of measuring a cycle may be implemented. The output data from the sensor provides useful information for determining the lifespan of an induction heating coil. Predicting the lifespan of a coil optimizes production by anticipating failure and replacement of a coil during a predetermined down time, limiting on-site inventory, and revolutionizing the billing cycle based on a per cycle cost while decreasing overall production costs and improving inductor coil quality.
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Butzel Long
Leung Philip H.
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