发明名称 Shaft level sensor for district heating channels has level sensors above and below the normal water level and GSM modem connection to a fixed or mobile control center
摘要 <p>A shaft (1) level sensor has level sensors (4, 5) and temperature sensor (4a) above and below the normal level or water in a heating pipe (3) manhole (2) shaft with GSM modem (6) connection to a fixed or mobile control center.</p>
申请公布号 DE10105600(A1) 申请公布日期 2002.08.22
申请号 DE2001105600 申请日期 2001.02.06
申请人 HEW HAMBURGISCHE ELECTRICITAETS-WERKE AG 发明人 HENDEL, THOMAS;MUELLER, HEINZ;HOERMANN, JENS
分类号 G01F23/00;(IPC1-7):G01F23/30;F17D5/00;E03F1/00;G01F23/60 主分类号 G01F23/00
代理机构 代理人
主权项
地址