EP 1588045 A1 20051026 - FUEL SUPPLY SYSTEM FOR DIRECT-INJECTION INTERNAL COMBUSTION ENGINES
Title (en)
FUEL SUPPLY SYSTEM FOR DIRECT-INJECTION INTERNAL COMBUSTION ENGINES
Title (de)
KRAFTSTOFFVERSORGUNGSSYSTEM FÜR VERBRENNUNGSMOTOREN MIT DIREKTEINSPRITZUNG
Title (fr)
SYSTEME D'ALIMENTATION EN CARBURANT POUR MOTEURS A COMBUSTION A INJECTION DIRECTE
Publication
Application
Priority
- EP 0313069 W 20031121
- DE 10260775 A 20021223
Abstract (en)
[origin: WO2004059160A1] The invention relates to a fuel supply system (1) for direct-injection internal combustion engines, comprising a preliminary feed pump (4) and a high-pressure pump (6) which is mounted downstream therefrom and delivers the fuel from a fuel reservoir (2) to a parallel circuit that is mounted downstream of the high-pressure pump (6) and encompasses a plurality of injectors (13) or injection nozzles via a conduit system. A hydraulic transmission (9) which is connected in parallel to the high-pressure pump (6) and is designed so as to generate or maintain the high fuel pressure p2 required for the injection process during the starting phases or standstill phases of the internal combustion engine is disposed between the preliminary feed pump (4) and the plurality of injectors (13) or injection nozzles. The intake end of the preliminary feed pump (4) is connected to a fuel reservoir (2) via one conduit (3a) while the discharge end thereof is connected to the hydraulic transmission (9) via another conduit (3b) and to the high-pressure pump (6) via a branch conduit (5a).
IPC 1-7
IPC 8 full level
F02M 55/02 (2006.01); F02M 59/10 (2006.01); F02M 63/02 (2006.01); F02M 63/00 (2006.01)
CPC (source: EP US)
F02M 55/025 (2013.01 - EP US); F02M 59/105 (2013.01 - EP US); F02M 59/447 (2013.01 - EP US); F02M 63/02 (2013.01 - EP US); F02M 63/0225 (2013.01 - EP US); F02M 63/028 (2013.01 - EP US); F02M 2200/60 (2013.01 - EP US)
Citation (search report)
See references of WO 2004059160A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
DE 10260775 A1 20040701; EP 1588045 A1 20051026; US 2005235962 A1 20051027; US 7201128 B2 20070410; WO 2004059160 A1 20040715
DOCDB simple family (application)
DE 10260775 A 20021223; EP 0313069 W 20031121; EP 03813879 A 20031121; US 15909005 A 20050622