SLIP-RING ARRANGEMENT WITH INTEGRATED ROTARY SWIVEL JOINT FOR LIQUIDS

摘要

The invention relates to an arrangement for the transfer of electric current, a liquid medium and a gaseous medium between a section (1, 1') in a fixed position and a section (2) rotating in relation thereto, the arrangement for the transfer of electric current comprising sliding surfaces (3) and sliding brushes (4) arranged to press against the sliding surfaces (3), and a protective casing (5) surrounding them, the arrangement for the transfer of a liquid medium comprising passages (6) parallel with the rotation and arranged at the boundary surface between the fixed section (1') and the rotating section (2), with which passage transfer pipes (8) in both sections communicate, and the arrangement for the transfer of a gaseous medium comprising a collector chamber arranged in the fixed section (1) and an outlet pipe (10) connected to said chamber for leading the gaseous medium out of the tubular rotating section (2). In order to minimize the total length of the arrangement, the arrangement for the transfer of a liquid midium is coaxially arranged inside the arrangement for the transfer of electric current and the protective casing (5) of the arrangement for the transfer of electric current provides a collector chamber for the gaseous medium.