Global Patent Index - EP 0912825 B1

EP 0912825 B1 2000-04-05 - METHOD OF CONTROLLING THE INJECTION PROCESS IN A HIGH-SPEED 2-STROKE FUEL INJECTION INTERNAL COMBUSTION ENGINE

Title (en)

METHOD OF CONTROLLING THE INJECTION PROCESS IN A HIGH-SPEED 2-STROKE FUEL INJECTION INTERNAL COMBUSTION ENGINE

Title (de)

VERFAHREN ZUR STEUERUNG DES EINSPRITZVORGANGS BEI EINER SCHNELLAUFENDEN 2-TAKT-BRENNKRAFTMASCHINE MIT KRAFTSTOFFEINSPRITZUNG

Title (fr)

PROCEDE POUR COMMANDER L'INJECTION DANS UN MOTEUR DEUX TEMPS A COMBUSTION INTERNE, A VITESSE ELEVEE ET A INJECTION DE CARBURANT

Publication

EP 0912825 B1 (DE)

Application

EP 97937494 A

Priority

  • DE 19628739 A
  • EP 9703819 W

Abstract (en)

[origin: DE19628739A1] The invention concerns a method of controlling the injection process in a high-speed 2-stroke internal combustion engine (11). According to the invention, the internal combustion engine (11) comprises first means (12) for generating one trigger signal per revolution, said signal being fixed with the angle of rotation, for controlling injection, and second means (13) for generating alternating voltage which is dependent on the speed of rotation and whose period is a fraction (1/n) of the time per revolution (revolution time) of the 2-stroke internal combustion engine (11). A simple electronic injection-control arrangement having optimum injection parameters which can be calculated precisely for all speeds of rotation is attained in that, in addition to the trigger signal, the alternating voltage generated is additionally used to control the injection process.

IPC 1-7 (main, further and additional classification)

F02D 41/34

IPC 8 full level (invention and additional information)

F02B 63/02 (2006.01); F02D 41/02 (2006.01); F02D 41/34 (2006.01); F02B 75/02 (2006.01)

CPC (invention and additional information)

F02D 41/009 (2013.01); F02B 63/02 (2013.01); F02B 2075/025 (2013.01); F02D 2400/04 (2013.01)

Citation (examination)

16. ISATA FLORENZ, 11-15 MAY 1987, VORTRAG 87008, BITTNER ET AL, A MAN MACHINE INTERFACE FOR ELECTRONIC DIESEL ENGINE MANAGEMENT SYSTEMS

Designated contracting state (EPC)

DE SE

EPO simple patent family

DE 19628739 A1 19980122; DE 19628739 B4 20110728; EP 0912825 A1 19990506; EP 0912825 B1 20000405; JP 2001511861 A 20010814; US 6125824 A 20001003; WO 9803785 A1 19980129

INPADOC legal status


2017-01-31 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: DE

- Payment date: 20160930

- Year of fee payment: 20

2002-03-05 [EUG] SE: EUROPEAN PATENT HAS LAPSED

2001-07-18 [PG25 SE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: SE

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20010718

2001-03-21 [26N] NO OPPOSITION FILED

2000-09-01 [EN] FR: TRANSLATION NOT FILED

2000-07-21 [PGFP SE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: SE

- Payment date: 20000721

- Year of fee payment: 4

2000-05-11 [REF] CORRESPONDS TO:

- Document: DE 59701411 20000511

2000-04-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE SE

1999-08-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990624

1999-05-06 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990115

1999-05-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE SE