| 摘要 |
<p>The parking brake device has a hand brake valve (10) for adjusting a pressure directly or indirectly, and an operating brake valve (36) for adjusting another pressure directly or indirectly. A relay valve (12) is provided with a control inlet (14). A controlling valve is provided, which has two compressed air inlets (42,44) and a compressed air outlet (46) that is coupled with the control inlet of the relay valve.</p> |
