Retarder with improved bearing lubrication
A retarder and machine technology, applied in the field of hydraulic machines, can solve the problem that the oil cannot reach the bearing parts reliably
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[0025] figure 1 The retarder 1 without connecting channels is shown in braking mode. The working medium is supplied to the inlet region 8 from the external working medium circuit 9 . Oil enters the working space between rotor 3 and stator 4 from inlet region 8 via inlet channel 14 provided here in stator 4 . If the working medium, for example oil, is present in the working space, a braking torque is generated by the retarder, whereby the oil is heated. For cooling purposes, through the pumping action of the retarder, always a partial amount of working medium is pumped back into the external working medium circuit 9 through outlet openings 15 provided here in the stator 4 .
[0026] The external working medium circuit 9 essentially consists of a working medium accumulator 19 to which compressed air can be applied and a cooler 18 . During braking operation, the working medium accumulator 19 is supplied with compressed air, so that working medium enters the retarder 1 or the w...
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