EP 1032807 A1 20000906 - A LEVEL DETECTOR
Title (en)
A LEVEL DETECTOR
Title (de)
FÜLLSTANDSAUFNEHMER
Title (fr)
DETECTEUR DE NIVEAU
Publication
Application
Priority
- SE 9801959 W 19981029
- SE 9703980 A 19971030
Abstract (en)
[origin: WO9926044A1] A detector for detecting the level of a boundary surface or interface between a first medium (A) and a second medium (B) in a tank (1) includes a radiation emitter (3) and a radiation sensor. A reflective device (2) is disposed in the tank for irradiation by the emitter (3). The reflector device (2) is chosen to change a property of the radiation emitted by the emitter when reflecting said radiation, in relation to the extent to which the two medium (A, B) are present at the reflective device (2). The sensor (4) is adapted to sense said change as an indication of the position of the interface surface relative to the reflective device, which is retroreflexive and which is chosen to impart essentially different angles of scatter to the reflected radiation depending on whether said reflection takes place in the presence of one of said media (A, B).
IPC 1-7
IPC 8 full level
G01F 23/292 (2006.01)
CPC (source: EP SE)
G01F 23/292 (2013.01 - EP SE); G01F 23/2928 (2013.01 - EP SE)
Citation (search report)
See references of WO 9926044A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9926044 A1 19990527; AU 1057599 A 19990607; EP 1032807 A1 20000906; SE 511605 C2 19991025; SE 9703980 D0 19971030; SE 9703980 L 19990501
DOCDB simple family (application)
SE 9801959 W 19981029; AU 1057599 A 19981029; EP 98953121 A 19981029; SE 9703980 A 19971030