(19)
(11) EP 1 674 668 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.03.2012 Bulletin 2012/10

(43) Date of publication A2:
28.06.2006 Bulletin 2006/26

(21) Application number: 05028189.8

(22) Date of filing: 22.12.2005
(51) International Patent Classification (IPC): 
F01D 17/16(2006.01)
 F02C 6/12(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: 24.12.2004 JP 2004373934

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

(72) Inventor:
  • Shoji, Jumpei Toyota Jidosha Kabushiki Kaisha
    Toyota-shi Aichi-ken, 471-8571 (JP)

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

   


(54) Variable geometry turbocharger


(57) A variable geometry turbocharger 1 includes a housing 201; and a link mechanism 202, provided in the housing 201, which controls the orientation of vanes 42 for controlling the flow of exhaust gas. The housing 201 includes a turbine-housing swirl chamber 5 for supplying the exhaust gas to a turbine; and a link chamber 6 that houses the link mechanism 202. A communication hole 3, which provides communication between the turbine-housing swirl chamber 5 and the link chamber 6, is formed in the housing 201.










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