| 摘要 |
PROBLEM TO BE SOLVED: To enable to induction-heat a heating element uniformly while enlarging contact surface of the heating element and fluid in equipment, which heats fluid by carrying out induction-heating to the element in contact with the fluid. SOLUTION: A pipe body group 2A is formed by arranging two or more pipe bodies 2 made of electric conduction material so that they may be distributed in parallel in the state, which they are not contacting mutually, and also in depth direction, which goes to the center from a perimeter. And, the pipe bodies, which are located at least in the perimeter domain, are constituted of non-magnetism material. Further, while composing so that the fluid may pass to each inside of the pipe bodies, by arranging an induction coil so that the pipe body group may be surrounded by it, it is composed that two or more pipe bodies are induction-heated.
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