(19)
(11) EP 1 703 116 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.06.2007 Bulletin 2007/26

(43) Date of publication A2:
20.09.2006 Bulletin 2006/38

(21) Application number: 06005000.2

(22) Date of filing: 10.03.2006
(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 IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 15.03.2005 JP 2005073080

(71) Applicant: Toyota Jidosha Kabushiki Kaisha
Toyota-shi Aichi-ken, 471-8571 (JP)

(72) Inventor:
  • Toda, Tadashi
    Toyota-shi Aichi-ken, 471-8571 (JP)

(74) Representative: Kuhnen & Wacker 
Intellectual Property Law Firm Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)

   


(54) Exhaust gas recirculation unit for internal combustion engine


(57) An exhaust gas recirculation unit (10) has a catalyst portion (14) removing hydrocarbon by oxidation in an exhaust gas recirculation pipe (12) recirculating exhaust gas from an internal combustion engine into an intake pipe. The catalyst portion (14) is provided in contact with an external surface of an exhaust pipe (20) of the internal combustion engine.







Search report