EP 1043737 A3 20001213 - 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
Application
Priority
AT 62399 A 19990408
Abstract (en)
[origin: EP1043737A2] 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.
IPC 1-7
IPC 8 full level
H01F 38/12 (2006.01)
CPC (source: EP US)
H01F 38/12 (2013.01 - EP US); H01F 2038/122 (2013.01 - EP US)
Citation (search report)
- [X] DE 2949980 A1 19800703 - ONG SIAK HOO
- [A] DE 4208706 A1 19930923 - BERU WERK RUPRECHT GMBH CO A [DE]
- [A] DE 2154792 A1 19721116
- [A] US 5228425 A 19930720 - SIMONS SYLVAN [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1043737 A2 20001011; EP 1043737 A3 20001213; AT 408154 B 20010925; AT A62399 A 20010115; US 6352069 B1 20020305
DOCDB simple family (application)
EP 00106371 A 20000324; AT 62399 A 19990408; US 54226300 A 20000404