Global Patent Index - EP 1155229 B1

EP 1155229 B1 20020925 - METHOD AND SYSTEM FOR CONTROLLING PRESSURE IN A HIGH PRESSURE FUEL PUMP SUPPLYING AN INTERNAL COMBUSTION ENGINE

Title (en)

METHOD AND SYSTEM FOR CONTROLLING PRESSURE IN A HIGH PRESSURE FUEL PUMP SUPPLYING AN INTERNAL COMBUSTION ENGINE

Title (de)

VERFAHREN UND SYSTEM ZUR DRUCKREGELUNG EINER HOCHDRUCKKRAFTSTOFFPUMPE FÜR DIE KRAFTSTOFFVERSORGUNG EINES VERBRENNUNGSMOTORS

Title (fr)

PROCEDE ET SYSTEME DE CONTROLE DE LA PRESSION D'UNE POMPE A CARBURANT A HAUTE PRESSION POUR L'ALIMENTATION D'UN MOTEUR A COMBUSTION INTERNE

Publication

EP 1155229 B1 20020925 (FR)

Application

EP 00907712 A 20000224

Priority

  • FR 0000459 W 20000224
  • FR 9902424 A 19990226

Abstract (en)

[origin: FR2790283A1] The invention concerns a method and a system for controlling pressure in the high pressure circuit (22) downstream of the pump (11) which consists in monitoring the solenoid (18) on the pump intake (11) so that the fuel mass discharged by the pump (11) into the circuit (22) is equal to the algebraic sum of a fuel volume to be injected into the engine (1) and a fuel volume required to compensate at least partially a pressure difference between the fuel pressure measured by the sensor (4) in the circuit (22) and an objective pressure desired by the control unit (5) in said circuit (22). The invention is useful for controlling pressure for direct fuel injection into engines, in particular with spark ignition.

IPC 1-7

F02D 41/38

IPC 8 full level

F02D 41/38 (2006.01)

CPC (source: EP US)

F02D 41/3818 (2013.01 - EP US); F02D 41/3845 (2013.01 - EP US); F02D 2041/1433 (2013.01 - EP US)

Designated contracting state (EPC)

DE ES GB IT SE

DOCDB simple family (publication)

FR 2790283 A1 20000901; FR 2790283 B1 20020104; DE 60000509 D1 20021031; DE 60000509 T2 20030522; EP 1155229 A1 20011121; EP 1155229 B1 20020925; ES 2182788 T3 20030316; US 6446610 B1 20020910; WO 0050757 A1 20000831

DOCDB simple family (application)

FR 9902424 A 19990226; DE 60000509 T 20000224; EP 00907712 A 20000224; ES 00907712 T 20000224; FR 0000459 W 20000224; US 91418801 A 20011029