| 摘要 |
<p>The unit is for a coupling having a housing containing a hollow circular body. The circular body is equipped with compressed air nozzles (11) and removes dirt particles in the housing while being guided along coupling elements. The nozzles are funnel-shaped, where the funnel tapers in the direction of the hollow chamber. The central axis of the nozzles in inclined at a certain angle to the coupling elements.</p> |
