| 摘要 |
The flexibility of the container wall enables the hydrostatic pressure in the fluid to be increased and then further unloaded. The drive body (4) contains an air chamber (5), which is so dimensioned and positioned that the drive body, with unloaded hydrostatic pressure in the fluid, adopts a stable driving or floating state. The size of the air chamber is inversely proportional to the hydrostatic pressure in the fluid, so that when the hydrostatic pressure in the fluid increases the drive body sinks as a result. The drive body as air chamber has an eccentrically located hollow chamber (5), which, in the driving state of the drive body, is connected with the under edge to one or more channels (6), which issue on the outside of the drive body.
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