SECTIONAL INDUCTOR Russian patent published in 2001 - IPC

FIELD: induction heating, heating of pipe-lines during welding and insulation of joints. SUBSTANCE: proposed inductor includes sections with lengths of semi-cylinder form linked by joint whose axis is parallel to axes of semi-cylinders. Sections come in the form of rectangular coils with turns passing over surface of semi- cylinders, first section being fitted with two contact leads. Novelty lies in insertion of flexible conducting jumper, in design of second section in the form of inverse image of first section with leads connected by jumper and second pair of contact leads is used for connection to power supply source. EFFECT: improved functional convenience and diminished mass of inductor. 2 dwg