EP 1529940 A3 20050831 - Common rail fuel injection apparatus
Title (en)
Common rail fuel injection apparatus
Title (de)
Common Rail Einspritzvorrichtung
Title (fr)
Dispositif d'injection common rail
Publication
Application
Priority
JP 2003376085 A 20031105
Abstract (en)
[origin: EP1529940A2] A common rail fuel injection apparatus includes a common rail (2), an injector (3), a supply pump (4), an inlet amount control valve (14), feedback control means, correction means, storage means, and a control device (5). The common rail (2) accumulates high-pressure fuel. The injector (3) injects the high-pressure fuel. The supply pump (4) sucks and pressurizes fuel to be supplied to the common rail (2). The inlet amount control valve (14) controls a flow amount of fuel sucked into the supply pump (4). The feedback control means obtains a proportional correction value and an integral correction value based on a pressure difference ( DELTA PC) between a target rail pressure and an actual rail pressure of the common rail (2) and obtains a driving current value or a pump discharge amount of the supply pump (4). The correction means obtains a correction value to correct a variation of the pump discharge amount. The storage means stores the correction value obtained by the correction means as a learned value when a condition has been satisfied. The control device corrects the driving current value or the pump discharge amount based on the learned value stored in the storage means. <IMAGE>
IPC 1-7
F02D 41/38; F02D 41/14; F02D 41/24; F02D 41/30; F02M 63/02; F02M 59/20; F02M 59/46
IPC 8 full level
F02M 47/00 (2006.01); F02D 41/06 (2006.01); F02D 41/14 (2006.01); F02D 41/20 (2006.01); F02D 41/24 (2006.01); F02D 41/30 (2006.01); F02D 41/38 (2006.01); F02D 45/00 (2006.01); F02M 51/00 (2006.01); F02M 55/02 (2006.01); F02M 59/06 (2006.01); F02M 59/20 (2006.01); F02M 59/34 (2006.01); F02M 59/46 (2006.01); F02M 63/02 (2006.01)
CPC (source: EP)
F02D 41/2464 (2013.01); F02D 41/3845 (2013.01); F02D 41/2441 (2013.01); F02D 2041/1409 (2013.01); F02D 2041/2058 (2013.01); F02D 2200/0604 (2013.01); F02D 2250/31 (2013.01)
Citation (search report)
- [PX] EP 1441119 A2 20040728 - DENSO CORP [JP]
- [X] EP 1146218 A2 20011017 - TOYOTA MOTOR CO LTD [JP]
- [Y] EP 1298307 A2 20030402 - ISUZU MOTORS LTD [JP]
- [Y] US 5685270 A 19971111 - SEKIGUCHI AKIRA [JP], et al
- [Y] EP 1172542 A2 20020116 - TOYOTA MOTOR CO LTD [JP]
- [DY] PATENT ABSTRACTS OF JAPAN vol. 2000, no. 13 5 February 2001 (2001-02-05)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1529940 A2 20050511; EP 1529940 A3 20050831; EP 1529940 B1 20070307; DE 602004005127 D1 20070419; DE 602004005127 T2 20071213; JP 2005139975 A 20050602; JP 4111123 B2 20080702
DOCDB simple family (application)
EP 04026231 A 20041104; DE 602004005127 T 20041104; JP 2003376085 A 20031105