Global Patent Index - EP 3001026 B1

EP 3001026 B1 20171206 - FUEL PUMP

Title (en)

FUEL PUMP

Title (de)

KRAFTSTOFFPUMPE

Title (fr)

POMPE A CARBURANT

Publication

EP 3001026 B1 20171206 (DE)

Application

EP 15186842 A 20150925

Priority

DE 102014014475 A 20140927

Abstract (en)

[origin: CN105464869A] Provided is a fuel pump, in particular a high-pressure fuel pump of a common rail fuel system, which has a pump piston guided in a pump cylinder, wherein in the region of a gap of the pump cylinder, in which the pump piston out is guided, an incoming groove used for lubrication and used for cooling fule in necessary and coupled to the position above a first pressure level through at least one first incoming hole, and an outgoing groove coupled to the position below a second pressure level through at least one outgoing hole are formed, wherein an intermediate incoming groove is formed in the region of the gap of the pump cylinder between the upper incoming groove and the lower outgoing groove whish is coupled to the fist pressure level through at least one incoming hole, a first guiding sheet used for the pump piston is arranged between an upper edge of the lower outgoing groove and a lower edge of the upper incoming groove, and a second guiding sheet used for the pump pistion is arranged between an upper edge of the intermediate incoming groove and the lower edge of the upper incoming groove.

IPC 8 full level

F02M 59/44 (2006.01); F04B 53/04 (2006.01)

CPC (source: EP)

F02M 59/442 (2013.01); F04B 1/0421 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 3001026 A1 20160330; EP 3001026 B1 20171206; CN 105464869 A 20160406; CN 105464869 B 20191105; DE 102014014475 A1 20160331; JP 2016070277 A 20160509; JP 6605274 B2 20191113; KR 102252934 B1 20210518; KR 20160037772 A 20160406

DOCDB simple family (application)

EP 15186842 A 20150925; CN 201510619921 A 20150925; DE 102014014475 A 20140927; JP 2015188188 A 20150925; KR 20150133968 A 20150922