| 摘要 |
The invention relates to a rescue apparatus for safely lowering persons on a rope, in which a drum 6, which is mounted in a housing 1 and on which a rope 12 is wound, is in engagement with the shaft 4 of a hydraulic brake. It preferably consists of a turbine wheel 3 which can be driven via a shaft 4, is located in a fluid and is arranged in a chamber 2, a flow resistance being produced on the output side of the turbine wheel 3 by cross-sectional reduction 9 of the chamber 2, and the fluid passing through a self-contained circuit. <IMAGE>
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