(19)
(11) EP 2 029 876 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
10.07.2013 Bulletin 2013/28

(45) Mention of the grant of the patent:
01.05.2013 Bulletin 2013/18

(21) Application number: 07734634.4

(22) Date of filing: 23.05.2007
(51) International Patent Classification (IPC): 
F02D 41/14(2006.01)
G01N 27/407(2006.01)
 G01N 27/406(2006.01)
(86) International application number:
PCT/IB2007/001327
(87) International publication number:
WO 2007/138412 (06.12.2007 Gazette 2007/49)

(54)

CONTROL APPARATUS AND METHOD FOR AIR-FUEL RATIO SENSOR

STEUERVORRICHTUNG UND -VERFAHREN FÜR LUFT-KRAFTSTOFF-VERHÄLTNIS-SENSOR

APPAREIL DE COMMANDE ET PROCÉDÉ POUR DÉTECTEUR DU RAPPORT AIR/COMBUSTIBLE

(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 24.05.2006 JP 2006144090

(43) Date of publication of application:
04.03.2009 Bulletin 2009/10

(73) Proprietor: TOYOTA JIDOSHA KABUSHIKI KAISHA
Toyota-shi, Aichi-ken, 471-8571 (JP)

(72) Inventors:
  • IWAHASHI, Takeshi
    Toyota-shi, Aichi-ken, 471-8571 (JP)
  • OHTANI, Motoki
    Toyota-shi, Aichi-ken, 471-8571 (JP)

(74) Representative: Kuhnen, Rainer K. 
Kuhnen & Wacker Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)


(56) References cited: : 
DE-A1- 4 300 530
JP-A- 2001 073 827
 DE-A1- 19 928 561
JP-A- 2003 227 400
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).