| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary joint assembly having a hot water rotary joint part, hardly causing the dew condensation at an electric rotary joint part, with no possibility of the malfunction. SOLUTION: An outer cylinder 34 of a hot water rotary joint 32 and an outside conductor 38 an electric rotary joint 36 are connected to each other through a cylindrical member 40. An inner cylinder 33 of the hot water rotary joint and an inside conductor 37 of the electric rotary joint are connected to each other through a connecting member 41 positioned inside of the cylindrical member 40 so that a space inside of the cylindrical member 40 and between the connecting member 41 and the outside are communicated with each other.
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