DEW CONDENSATION PREVENTING DEVICE FOR BEARING OF ROTARY JOINT

摘要

PROBLEM TO BE SOLVED: To provide a dew condensation preventing device for bearing which prevents the rust of bearings such as an oilless bearing of a rotary joint due to dew condensation in a rotary joint such as a rotary type filling device or the like.

SOLUTION: In rotary joints 20, 40 such as a rotary type filling device 1 or the like for filling liquid or the like in a container 2, a piping system is structured in such a way that part of dry air supplied to a rotary control panel 15 rotating with a rotary portion is branched from a piping system 16 to be supplied to a bearing for rotatably supporting the rotary portion on the fixing portion of the rotary joints 20, 40.

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