Global Patent Index - EP 1767772 A1

EP 1767772 A1 20070328 - Fuel pump assembly

Title (en)

Fuel pump assembly

Title (de)

Kraftstoffeinspritzpumpevorrichtung

Title (fr)

Système de pompe à carburant

Publication

EP 1767772 A1 20070328 (EN)

Application

EP 06254515 A 20060830

Priority

GB 0519680 A 20050927

Abstract (en)

A fuel pump assembly for use in an engine comprising a pumping plunger (14) which is reciprocable, in use, under the influence of an associated drive arrangement (24, 26) so as to cause pressurisation of fuel within a pumping chamber (22). The drive arrangement includes a shoe (24) and a roller (26) which is cooperable with a driven cam (28) so as to impart reciprocal movement to the shoe (24) as the cam (28) is driven, in use. The roller (26) has a first surface area region (54) having a first surface roughness and a second surface area region (52) having a second surface roughness higher than the first surface roughness and in that static friction between the roller (26) and the cam (28) is larger than static friction between the roller (26) and the shoe (24).

IPC 8 full level

F02M 59/44 (2006.01); F02M 59/10 (2006.01); F04B 1/04 (2006.01)

CPC (source: EP US)

F02M 59/102 (2013.01 - EP US); F04B 1/0426 (2013.01 - EP US); F04B 1/0439 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

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 state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1767772 A1 20070328; EP 1767772 B1 20090812; AT E439518 T1 20090815; DE 602006008396 D1 20090924; GB 0519680 D0 20051102; JP 2007092754 A 20070412; US 2007071622 A1 20070329

DOCDB simple family (application)

EP 06254515 A 20060830; AT 06254515 T 20060830; DE 602006008396 T 20060830; GB 0519680 A 20050927; JP 2006260090 A 20060926; US 60054706 A 20061116