Global Patent Index - EP 2638276 A2

EP 2638276 A2 2013-09-18 - FUEL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE

Title (en)

FUEL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE

Title (de)

KRAFTSTOFFEINSPRITZSYSTEM EINER BRENNKRAFTMASCHINE

Title (fr)

SYSTÈME D'INJECTION DE CARBURANT D'UN MOTEUR À COMBUSTION INTERNE

Publication

EP 2638276 A2 (DE)

Application

EP 11760478 A

Priority

  • DE 102010043531 A
  • EP 2011066410 W

Abstract (en)

[origin: WO2012062508A2] The invention relates to a fuel injection system of an internal combustion engine, comprising a high pressure fuel pump (3), wherein a metering device (7) is connected upstream of the high pressure region (5) of said high pressure fuel pump and said metering device (7) feeds a fuel quantity conveyed from a supply tank (2) in metered quantities to the high-pressure region (5) via a feed line (8). A zero delivery line (18) branches from the feed line (8) and in the region of a constriction (20) of a Venturi throttle (19) opens into a return line (14), wherein furthermore the Venturi throttle (19) comprises a respective filter (22, 23) in an intake (21) and/or in a junction portion leading into the constriction (20).

IPC 8 full level (invention and additional information)

F02M 37/00 (2006.01)

CPC (invention and additional information)

F02M 37/0023 (2013.01); F02M 37/0052 (2013.01); F02M 69/54 (2013.01); F02M 59/366 (2013.01); F02M 59/466 (2013.01); F02M 2200/27 (2013.01); F02M 2200/28 (2013.01)

Citation (search report)

See references of WO 2012062508A2

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

EPO simple patent family

DE 102010043531 A1 20120510; CN 103201496 A 20130710; CN 103201496 B 20160713; EP 2638276 A2 20130918; EP 2638276 B1 20160817; JP 2013545914 A 20131226; JP 5719444 B2 20150520; KR 20130139985 A 20131223; RU 2013126194 A 20141220; WO 2012062508 A2 20120518; WO 2012062508 A3 20120712

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