(19)
(11) EP 1 688 610 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.07.2009 Bulletin 2009/28

(43) Date of publication A2:
09.08.2006 Bulletin 2006/32

(21) Application number: 06270006.7

(22) Date of filing: 18.01.2006
(51) International Patent Classification (IPC): 
F02M 25/08(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: 03.02.2005 GB 0502233

(71) Applicant: Delphi Technologies, Inc.
Troy, MI 48007 (US)

(72) Inventors:
  • Jasinski, Jan
    30-399 Krakow (PL)
  • Kalina, Andrzej
    30-399 Krakow (PL)

(74) Representative: Jones, Keith William et al
Murgitroyd & Company Scotland House 165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)

   


(54) Fluid flow device for fuel evaporative emission control system


(57) A fluid flow device (22) is provided which can be positioned in a vent line (5) between a sealed fuel tank (10) and an activated carbon adsorber canister (20) in a fuel evaporative emission control system. The fluid flow device (22) is adapted to provide little pressure drop and vortex generation in a vent direction, while providing substantial pressure drop and vortex generation in a purge direction. The fluid flow device (22) may comprise the serial combination of a converger (28) and a diffuser (30).










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