EP 3601778 A1 20200205 - A FUEL PUMP FOR SUPPLYING FUEL TO AN INTERNAL COMBUSTION PISTON ENGINE
Title (en)
A FUEL PUMP FOR SUPPLYING FUEL TO AN INTERNAL COMBUSTION PISTON ENGINE
Title (de)
BRENNSTOFFPUMPE ZUR KRAFTSTOFFVERSORGUNG EINES HUBKOLBENVERBRENNUNGSMOTORS
Title (fr)
POMPE À CARBURANT DESTINÉE À ALIMENTER EN CARBURANT UN MOTEUR À PISTON À COMBUSTION INTERNE
Publication
Application
Priority
FI 2017050218 W 20170329
Abstract (en)
[origin: WO2018178502A1] Invention relates to a fuel pump (10) for supplying fuel to an internal combustion piston engine, comprising a body (18) and a cylindrical space (30) in the body having a central axis (32), a piston member (28) arranged to reciprocate in the cylindrical space (30), the piston member is provided with a sleeve member (46) having a closed end arranged to the second space section (30'') such that an annular space is provided between the sleeve member (46) and the piston member (28), where the pump comprises an annular gap circumscribing the piston member (28) at least partially, and where the sleeve member is arranged to ex-tend into the annular gap where a third space section (60) is arranged bordered by the sleeve member (46), and where a lubrication oil supply channel (62) and a lubrication oil discharge channel (64) are connected to the third space section (60).
IPC 8 full level
F02M 59/44 (2006.01); F02M 55/00 (2006.01); F02M 59/10 (2006.01); F02M 63/00 (2006.01); F04B 1/04 (2020.01); F04B 39/02 (2006.01); F04B 53/18 (2006.01)
CPC (source: EP KR)
F02M 55/007 (2013.01 - EP KR); F02M 59/102 (2013.01 - KR); F02M 59/44 (2013.01 - EP); F02M 59/442 (2013.01 - KR); F02M 63/0001 (2013.01 - EP KR); F04B 1/0404 (2013.01 - KR); F04B 1/0443 (2013.01 - EP KR); F04B 39/02 (2013.01 - EP KR); F04B 53/18 (2013.01 - EP KR); F02M 59/102 (2013.01 - EP); F02M 59/442 (2013.01 - EP)
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2018178502 A1 20181004; CN 110709598 A 20200117; CN 110709598 B 20210806; EP 3601778 A1 20200205; KR 102216495 B1 20210216; KR 20190124811 A 20191105
DOCDB simple family (application)
FI 2017050218 W 20170329; CN 201780091343 A 20170329; EP 17717208 A 20170329; KR 20197031752 A 20170329