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Global Patent Index - EP 2650530 A1

EP 2650530 A1 20131016 - Multi-charge ignition system

Title (en)

Multi-charge ignition system

Title (de)

Multiladungszündsystem

Title (fr)

Système d'allumage à charges multiples

Publication

EP 2650530 A1 20131016 (EN)

Application

EP 12164128 A 20120413

Priority

EP 12164128 A 20120413

Abstract (en)

An ignition system and method of multicharge ignition are presented. The system comprisies an ignition coil (16) having primary (18) and secondary (20) windings and a control unit (30) configured to operate charging and discharging phases of the ignition coil (16) by actuation of a switching device (22) in order to create a first spark followed by a plurality of subsequent sparks at prescribed timings (t s1 ...t s4) . The control unit (30) is further configured to, during a respective spark-interval (T si ), monitor the energy level in the secondary winding (20) and stop the discharge phase and operate a charging phase, at the moment when the remaining time until the next prescribed timing (t si ) corresponds to the time required to charge the primary winding (18) to a prescribed energy level (I P _ tgt ).

IPC 8 full level

F02P 3/08 (2006.01); F02P 15/08 (2006.01)

CPC (source: EP)

F02P 3/0869 (2013.01); F02P 15/08 (2013.01); F02P 5/1502 (2013.01); F02P 17/12 (2013.01)

Citation (applicant)

US 6378513 B1 20020430 - BOYER JOHN W [US], et al

Citation (search report)

Citation (examination)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2650530 A1 20131016

DOCDB simple family (application)

EP 12164128 A 20120413