(19)
(11) EP 1 422 412 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.08.2006 Bulletin 2006/32

(43) Date of publication A2:
26.05.2004 Bulletin 2004/22

(21) Application number: 03026730.6

(22) Date of filing: 21.11.2003
(51) International Patent Classification (IPC): 
F02M 25/07(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 25.11.2002 JP 2002340647

(71) Applicants:
  • NISSAN MOTOR CO., LTD.
    Yokohama-shi, Kanagawa 221-0023 (JP)
  • Renault s.a.s. société par actions simplifiée
    92100 Boulogne-Billancourt (FR)

(72) Inventor:
  • Kaechi, Riki
    Yokohama-shi Kanagawa 235-0013 (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) Exhaust gas recirculation device of internal combustion engine


(57) A catalytic converter is installed in an exhaust system of an internal combustion engine. An exhaust gas recirculation device for use with the internal combustion engine comprises an EGR gas inlet port which is provided in a downstream portion of the catalytic converter; and an EGR gas passage line which extends from the EGR gas inlet port to an intake system of the engine. At least a part of the EGR gas passage line is constructed by an EGR gas passage that is integrally formed on and along a side wall of the catalytic converter.







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