Global Patent Index - EP 1043737 A2

EP 1043737 A2 2000-10-11 - Ignition coil for internal combustion engines

Title (en)

Ignition coil for internal combustion engines

Title (de)

Zündspule für Verbrennungsmotoren

Title (fr)

Bobine d'allumage pour moteurs à combustion interne

Publication

EP 1043737 A2 (DE)

Application

EP 00106371 A

Priority

AT 62399 A

Abstract (en)

The ignition coil has two or more transformer stages (5-7) connected in sequence in a cascade circuit, whereby the secondary windings (8-10) of all transformer stages are connected in series to an ignition plug. At least one stage has two primary windin (4,11;12,13), of which one is connected to an ignition coil input or primary winding of a preceding stage and of which the secon connected to the primary winding of a subsequent stage. An Independent claim is also included for an internal combustion engine.

Abstract (de)

Zündspule für Verbrennungsmotoren mit zwei oder mehreren in einer Kaskadenschaltung hintereinander geschalteten Transformatorstufen (5, 6, 7). <IMAGE>

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

H01F 38/12

IPC 8 full level (invention and additional information)

H01F 38/12 (2006.01)

CPC (invention and additional information)

H01F 38/12 (2013.01); H01F 2038/122 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1043737 A2 20001011; EP 1043737 A3 20001213; AT 408154 B 20010925; AT A62399 A 20010115; US 6352069 B1 20020305

INPADOC legal status


2002-06-06 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2002-05-02 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20010614

2001-09-05 [AKX] PAYMENT OF DESIGNATION FEES

2000-12-13 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-12-13 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

2000-10-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-10-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI