发明名称 Method and arrangement for monitoring the pressure gas in cable runs
摘要 The pressure in the cable run (KA) is kept constant independently of the external pressure. In order to establish authorised intervention in the cable run, a pressure switch (DS) activating a display is actuated as soon as a gas flow exceeding a threshold value is discovered. <IMAGE>
申请公布号 DE3230020(A1) 申请公布日期 1984.02.16
申请号 DE19823230020 申请日期 1982.08.12
申请人 SIEMENS AG 发明人 MAYR,ERNST
分类号 G01M3/28;G02B6/44;H02G15/28;(IPC1-7):G01M3/26 主分类号 G01M3/28
代理机构 代理人
主权项
地址
您可能感兴趣的专利