DEVICE FOR DISCONTINUOUSLY MEASURING THE LEVEL OF LIQUID METAL SUPPLIED TO A CONTAINER

Exchangable device for discontinuouly measuring the level of liquid metal in a container in accordance with induction principles includes a casing tube insertable into a container adapted to receive liquid metal therein,a casing tube flange tightly connected to the casing tube and tightly connectible to a flange formed on the container, at least one coil core mounted in the casing tube, the coil core being formed of a material selected from the group consisting of soft iron and austenitic iron and steel, at least one primary and one secondary coil mounted on the coil core the primary and secondary coil together forming a measurement sensor, the primary coil being energizable by a constant intermediate frequency alternating current for inducing a monitorable voltage in the secondary coil variable in value in accordance with the absence or presence of liquid metal at the level of the measurement sensor, a spacer tube of given length received in the casing tube and connected at one end thereof to the coil core, and a plug member sealingly secured to the casing tube flange and connected to the other end of the spacer tube.

申请(专利)号: US19720285310
申请日期: 1972年8月31日
公开(公告)日: 1974年6月25日
公开(公告)号: US3818759(A)
主分类号: G21C17/025,G,G21,G21C,G21C17
分类号: G21C17/025,(IPC1-7):G01F23/06,G,(,G21,(IP,G21C,(IPC,G21C17,(IPC1-7):G01F23
申请(专利权)人: INTERATOM INT ATOMREAKTORBAU GMBH,DT
发明(设计)人: CREMER D,DT,HANS R,DT