Global Patent Index - EP 2059797 A1

EP 2059797 A1 20090520 - CIRCUIT ARRANGEMENT FOR OPERATING A GUIDE PROBE

Title (en)

CIRCUIT ARRANGEMENT FOR OPERATING A GUIDE PROBE

Title (de)

SCHALTUNGSANORDNUNG ZUM BETREIBEN EINER FÜHRUNGSSONDE

Title (fr)

ARRANGEMENT DE CIRCUIT POUR UTILISER UNE SONDE PILOTE

Publication

EP 2059797 A1 20090520 (DE)

Application

EP 07788118 A 20070801

Priority

  • EP 2007057948 W 20070801
  • DE 102006041184 A 20060901

Abstract (en)

[origin: WO2008025631A1] A circuit arrangement for operating a guide probe which is arranged behind a catalytic converter and has at least one reference electrode which is arranged in a solid electrolyte, an exhaust gas electrode which is exposed to the exhaust gas and a porous ceramic coating which covers the exhaust gas electrode is characterized in that a resistor which influences the transport of oxygen ions between the reference electrode and the exhaust gas electrode in a targeted manner is arranged between the reference electrode and the exhaust gas electrode.

IPC 8 full level

G01N 27/407 (2006.01)

CPC (source: EP US)

G01N 27/4071 (2013.01 - EP US)

Citation (search report)

See references of WO 2008025631A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

DE 102006041184 A1 20080306; CN 101506650 A 20090812; CN 101506650 B 20131225; EP 2059797 A1 20090520; US 2009223819 A1 20090910; WO 2008025631 A1 20080306

DOCDB simple family (application)

DE 102006041184 A 20060901; CN 200780031611 A 20070801; EP 07788118 A 20070801; EP 2007057948 W 20070801; US 30533407 A 20070801