(19)
(11) EP 1 391 653 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.05.2005 Bulletin 2005/18

(43) Date of publication A2:
25.02.2004 Bulletin 2004/09

(21) Application number: 03254684.8

(22) Date of filing: 26.07.2003
(51) International Patent Classification (IPC)7: F23D 11/10, F23R 3/30
(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: 21.08.2002 GB 0219461

(71) Applicant: ROLLS-ROYCE PLC
London, SW1E 6AT (GB)

(72) Inventors:
  • Pilatis, Nickolaos
    Warrington, Cheshire WA2 0TQ (GB)
  • Jefferies, Mark John
    Yate, South Gloucestershire BS37 5TN (GB)

(74) Representative: Gunn, Michael Alan 
Rolls-Royce plc P.O. Box 31
Derby DE24 8BJ
Derby DE24 8BJ (GB)

   


(54) Fuel injection arrangement


(57) A prefilmer (26) for a fuel injection arrangement (10) comprising a body (50) having a fluid flow surface (80, 81, 82, 83) and a downstream edge (44), the prefilmer (26) arranged so that when working in operative association with the fuel injection arrangement (10) fuel flows over the surface (80, 81, 82, 83), by means of a passing airflow, to the downstream edge (44), from where the fuel is shed, characterised in that the prefilmer (26) further comprises a fluid flow mixing means (34) to, in use, enhance the mixing of fuel and air.






Search report