Global Patent Index - EP 2136188 A8

EP 2136188 A8 20100428 - Capacitive liquid level sensor

Title (en)

Capacitive liquid level sensor

Title (de)

Kapazitiever Flüssigkeitsfüllstandsfühler

Title (fr)

Capteur capacitif de niveau de liquide

Publication

EP 2136188 A8 (EN)

Application

EP 09162846 A

Priority

IT PD20080178 A

Abstract (en)

[origin: EP2136188A1] A level sensor (10) particularly for liquids comprising at least two capacitors (12, 13) arranged side by side, to be immersed in the same liquid (14) whose level is to be measured and having the same capacitance (C, C1) when they are immersed in the liquid (14) but a different geometry (S, S1, D, D1), both capacitors being connected to a control unit (15) that is designed to compare the signals that arrive from the two capacitors.

IPC 8 full level

G01F 23/26 (2006.01); G01F 25/00 (2006.01)

CPC (source: EP)

G01F 23/268 (2013.01); G01F 25/0061 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

EP 2136188 A1 20091223; EP 2136188 A8 20100428; EP 2136188 B1 20110316; AT 502282 T 20110415; DE 602009000884 D1 20110428; ES 2359779 T3 20110526; IT PD20080178 A1 20091219

DOCDB simple family (application)

EP 09162846 A 20090616; AT 09162846 T 20090616; DE 602009000884 T 20090616; ES 09162846 T 20090616; IT PD20080178 A 20080618