(19)
(11)EP 3 184 798 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
05.07.2017 Bulletin 2017/27

(43)Date of publication A2:
28.06.2017 Bulletin 2017/26

(21)Application number: 16206022.2

(22)Date of filing:  21.12.2016
(51)International Patent Classification (IPC): 
F02M 59/10(2006.01)
F16C 21/00(2006.01)
F16C 33/34(2006.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30)Priority: 22.12.2015 GB 201522579

(71)Applicant: Delphi International Operations Luxembourg S.à r.l.
4940 Bascharage (LU)

(72)Inventors:
  • WEST, Benjamin P.G.
    Whitstable, Kent CT5 2QR (GB)
  • AKIN, Levent
    Torbali / Izmir (TR)

(74)Representative: Delphi France SAS 
Patent Department 22, avenue des Nations CS 65059 Villepinte
95972 Roissy CDG Cedex
95972 Roissy CDG Cedex (FR)

  


(54)HIGH PRESSURE PUMP


(57) A high pressure fuel pump (14) having a pumping head (16) from which protrudes a piston (12) at an extremity (22) of which is arranged a cam follower (28) maintained, in use, in contact with a cam (10) which rotates and imparts to the piston (12) a reciprocal movement. The cam follower (28) has a body (30) in which is arranged a roller (32) adapted to be arranged in a cam actuated fuel pump has a cylindrical outer face (34) extending along a roller axis (X2) between a first transverse face and an opposed second transverse face, the cylindrical face intersecting the first transverse face along a first edge and, the second transverse face along a second edge. The roller is further provided with a first recess opening in the first transverse face, the material thickness between the area of the cylindrical face that is in the vicinity of the first edge and said first recess being reduced relative to an area of the cylindrical face distant from the first and from the second edges.







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Search report