| 摘要 |
<p>A sequential register for a pressure fluid system for controlling a number of successive working procedures. Each stage comprises a single valve (13) which in activated position delivers order signal (S1) to the working procedure and when the working procedure has been finished passes a feed-back signal (Y2) for activation (X1) of the next valve (14). The order signal (S1) from that valve (14) is conducted back to the next preceding valve (13) which is reswitched.</p> |
