(19)
(11) EP 2 057 366 A1

(12)

(43) Date of publication:
13.05.2009 Bulletin 2009/20

(21) Application number: 07804841.0

(22) Date of filing: 28.08.2007
(51) International Patent Classification (IPC): 
F02D 41/02(2006.01)
F02D 41/14(2006.01)
(86) International application number:
PCT/IB2007/002467
(87) International publication number:
WO 2008/029236 (13.03.2008 Gazette 2008/11)
(84) Designated Contracting States:
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 States:
AL BA HR MK RS

(30) Priority: 30.08.2006 JP 2006234408

(71) Applicants:
  • Toyota Jidosha Kabushiki Kaisha
    Toyota-shi, Aichi-ken 471-8571 (JP)
  • DENSO CORPORATION
    Kariya-city, Aichi-pref. 448-8661 (JP)

(72) Inventors:
  • SAWADA, Hiroshi
    Aichi-ken 471-8571 (JP)
  • HORI, Tsunenobu
    Aichi-Pref, 448-8661 (JP)

(74) Representative: TBK-Patent 
Bavariaring 4-6
80336 München
80336 München (DE)

   


(54) CATALYST MONITORING SYSTEM AND MONITORING METHOD