EP 3039280 A1 20160706 - OVERFLOW VALVE FOR A FUEL INJECTION SYSTEM, AND FUEL INJECTION SYSTEM
Title (en)
OVERFLOW VALVE FOR A FUEL INJECTION SYSTEM, AND FUEL INJECTION SYSTEM
Title (de)
ÜBERSTRÖMVENTIL FÜR EIN KRAFTSTOFFEINSPRITZSYSTEM SOWIE KRAFTSTOFFEINSPRITZSYSTEM
Title (fr)
SOUPAPE DE DÉCHARGE POUR SYSTÈME D'INJECTION DE CARBURANT AINSI QUE SYSTÈME D'INJECTION DE CARBURANT
Publication
Application
Priority
- DE 102013216889 A 20130826
- EP 2014067644 W 20140819
Abstract (en)
[origin: WO2015028353A1] The invention relates to an overflow valve for a fuel injection system, in particular a common rail injection system, comprising a valve housing (1) with an inlet (2) and with at least one outlet (3), and comprising a valve element (4) which is accommodated in the valve housing (1) and which is guided in axially displaceable fashion and by means of the axial displacement of which counter to the spring force of a spring (5) the inlet (2) and the outlet (3) can be connected, wherein the spring (5) is accommodated in a spring chamber (6) of the valve housing (1), which spring chamber can be connected via a relief bore (7) to a low-pressure region (8) of the fuel injection system. According to the invention, means (9) for preventing overfilling of the spring chamber (6) are provided, wherein the means (9) comprise an annular groove (10, 10'), which is formed in the guide region of the valve element (4) and which is connected or connectable to the outlet (3), and/or a check valve (11) via which the spring chamber (6) is connectable to the low-pressure region (8). The invention also relates to a fuel injection system having an overflow valve of said type.
IPC 8 full level
F02M 37/00 (2006.01); F02M 63/00 (2006.01)
CPC (source: EP)
F02M 37/0029 (2013.01); F02M 37/0052 (2013.01); F02M 2200/26 (2013.01)
Citation (search report)
See references of WO 2015028353A1
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)
DE 102013216889 A1 20150226; DE 102013216889 B4 20160811; CN 105745430 A 20160706; CN 105745430 B 20190405; EP 3039280 A1 20160706; WO 2015028353 A1 20150305
DOCDB simple family (application)
DE 102013216889 A 20130826; CN 201480047253 A 20140819; EP 14753242 A 20140819; EP 2014067644 W 20140819