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<strong>Geared</strong> variable-speed couplings<br />
for low-speed driven machines<br />
Design and function<br />
Type R..A<br />
For low-speed driven machines, the<br />
turbo coupling is fitted with a reduction<br />
gear on the output. Coupling<br />
and gear stage are situated in a<br />
common housing, the lower part<br />
of which serves as an oil tank.<br />
By adding a Voith hydrodynamic<br />
brake (optional), with an appropriate<br />
breaking torque characteristic,<br />
heavy masses of the driven machine<br />
can be rapidly decelerated.<br />
8<br />
6<br />
2<br />
1<br />
4<br />
3<br />
7<br />
5<br />
Oil supply<br />
Both working and lube oil are supplied<br />
from the integrated oil tank.<br />
The oil system can also be used<br />
to supply both the motor and the<br />
driven machine with oil.<br />
1 Gear stage<br />
2 Hydrodynamic variable<br />
speed coupling<br />
3 Scoop tube (adjustable)<br />
4 Hydrodynamic brake<br />
(optional)<br />
5 Oil supply<br />
6 Working oil cooler<br />
7 Duplex filter<br />
8 Oil pump<br />
Voith geared variable-speed<br />
coupling type R..A
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