(19)
(11) EP 1 355 059 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.06.2005 Bulletin 2005/24

(43) Date of publication A2:
22.10.2003 Bulletin 2003/43

(21) Application number: 03009049.2

(22) Date of filing: 17.04.2003
(51) International Patent Classification (IPC)7: F02M 59/44, F02M 59/02
(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: 19.04.2002 JP 2002118424

(71) Applicant: Nissan Motor Co., Ltd.
Yokohama-shi, Kanagawa (JP)

(72) Inventor:
  • Yamamoto, Naoki
    Kawasaki-shi, Kanagawa 214-0012 (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) Fuel pump


(57) In a fuel pump (4), two independent seal members (44,45) are disposed to seal a clearance between an inner surface (411a) of a cylinder (411) and an outer surface (412a) of a plunger (412). At least a sliding portion of the seal member (45) with the plunger (412), being closer to a pressure chamber (413) among two seal members (44,45), is made of abrasion resistance material.






Search report