Induction heating fusing device

Abstract

An induction heating fusing device has a core that forms a magnetic circuit, an inductive coil wrapped around the core and a roller as a conductive member. A diameter of a wire for the inductive coil varies from the center to the ends of the length of the roller. Consequently, the number of turns in the coil varies from the center to the ends of the length of the roller, ensuring a uniform temperature distribution throughout the length of the roller.

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