(19)
(11) EP 1 378 660 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.01.2004 Bulletin 2004/04

(43) Date of publication A2:
07.01.2004 Bulletin 2004/02

(21) Application number: 03253899.3

(22) Date of filing: 20.06.2003
(51) International Patent Classification (IPC)7: F02M 63/02, F02M 47/02, F02M 45/04, F02M 61/20
(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: 04.07.2002 GB 0215489
04.07.2002 GB 0215493

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

(72) Inventors:
  • Knight, Andrew R.
    Stroud, Gloucestershire GL6 0PJ (GB)
  • Harcombe, Anthony T.
    Richmond, Surrey TW10 5DZ (GB)

(74) Representative: Keltie, David Arthur et al
David Keltie Associates Fleet Place House 2 Fleet Place
London EC4M 7ET
London EC4M 7ET (GB)

   


(54) Fuel system


(57) A fuel system for use in supplying high pressure fuel to an injector of an internal combustion engine comprises a first fuel pump (12) for supplying fuel at a first injectable pressure level to a first accumulator volume (16), a second fuel pump (14) for supplying fuel at a second injectable pressure to a second accumulator volume (18) and control valve means (25) for selecting which of the first or second accumulator volumes (16; 18) supplies fuel to the injection nozzle.






Search report