EP 2678907 B2 20230621 - SPARK PLUG HAVING AN END PART

Title (en)

SPARK PLUG HAVING AN END PART

Title (de)

ZÜNDKERZE MIT ENDTEIL

Title (fr)

BOUGIE D'ALLUMAGE AVEC EMBOUT

Publication

EP 2678907 B2 20230621 (DE)

Application

EP 12717578 A 20120220

Priority

AT 2302011 A 20110221
AT 2012000037 W 20120220

Abstract (en)

[origin: WO2012113002A1] The present invention relates to a spark plug of an internal combustion engine, preferably for spark-ignition gas engines, comprising a spark plug housing (2) that surrounds an insulating body (1) and comprising a center electrode (3) and at least one ground electrode (4) borne by a ground electrode carrier (6), wherein the ignition surfaces (12) of the center electrode (3) and the ignition surface (26) of the ground electrode (4) are surrounded by a wall (8), which forms a chamber (5) open on the combustion chamber side or a pre-chamber (51) having passage openings (10). According to the invention, an end part (60) is attached to the end area of the spark plug housing (2) on the combustion chamber side, and the ground electrode carrier (6) and the wall (8) are borne by said end part (60).

IPC 8 full level

H01T 13/46 (2006.01); H01T 13/54 (2006.01)

CPC (source: EP)

H01T 13/467 (2013.01); H01T 13/54 (2013.01)

Citation (opposition)

Opponent :

WO 2012113002 A1 20120830 - FRANCESCONI CHRISTIAN [AT]
JP S5669416 A 19810610 - HISADA YARIICHI
WO 2012091739 A2 20120705 - PROMETHEUS APPLIED TECHNOLOGIES LLC [US], et al
DE 102008000163 A1 20080814 - DENSO CORP [JP]
JP 2006144648 A 20060608 - NISSAN MOTOR
DE 102010004851 A1 20110622 - BORGWARNER BERU SYSTEMS GMBH [DE], et al
US 1542631 A 19250616 - LEWIS MORRISON, et al
US 2702537 A 19550222 - WRIGHT GILBERT F, et al
EP 1265329 B1 20040804 - GE JENBACHER GMBH & CO OHG [AT]
FR 1001923 A 19520229
AT 2302011 A 20110221

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

DOCDB simple family (publication)

WO 2012113002 A1 20120830; AT 511157 A1 20120915; AT 511157 B1 20140115; AU 2012220326 A1 20130926; BR 112013021147 A2 20190917; BR 112013021147 B1 20211103; CA 2826807 A1 20120830; EP 2678907 A1 20140101; EP 2678907 B1 20161019; EP 2678907 B2 20230621; ES 2611904 T3 20170511; ES 2611904 T5 20231212; FI 2678907 T4 20230912

DOCDB simple family (application)

AT 2012000037 W 20120220; AT 2302011 A 20110221; AU 2012220326 A 20120220; BR 112013021147 A 20120220; CA 2826807 A 20120220; EP 12717578 A 20120220; ES 12717578 T 20120220; FI 12717578 T 20120220