FIELD: machine building.
SUBSTANCE: coupling consists of external blade wheel and internal blade wheel, partially enveloped with cup of coupling connected with external blade wheel. The said blade wheels form toroid working space with each other. The internal blade wheel is divided at least in two segments radially transferring or turning around axis parallel to rotation axis Into the fluid coupling there is integrated a coupling of synchroniser containing two elements of the coupling driven to active connection with surface of a friction facing. The internal blade wheel and the cup each has an orifice coaxial to each other or at least partially overlapped, also, orifice of the coupling cup is bigger, than the orifice of the internal blade wheel. Either a measuring pin, or a threaded plug pass through the said orifices.
EFFECT: determination of friction facing wear without dismounting and disassembly of coupling; its increased reliability.
6 cl, 2 dwg
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