Global Patent Index - EP 1938430 B1

EP 1938430 B1 20100421 - SPARK PLUG FOR MOTOR VEHICLE INTERNAL COMBUSTION ENGINE

Title (en)

SPARK PLUG FOR MOTOR VEHICLE INTERNAL COMBUSTION ENGINE

Title (de)

ZÜNDKERZE FÜR EINEN VERBRENNUNGSMOTOR EINES KRAFTFAHRZEUGS

Title (fr)

BOUGIE D'ALLUMAGE POUR LE MOTEUR A COMBUSTION INTERNE D'UN VEHICULE AUTOMOBILE

Publication

EP 1938430 B1 (FR)

Application

EP 06831211 A

Priority

  • FR 2006050923 W
  • FR 0553149 A

Abstract (en)

[origin: WO2007045776A1] The invention concerns a spark plug (1) for a motor vehicle internal combustion engine, substantially elongated in shape, comprising: two coaxial electrodes: an inner electrode (D) called central electrode (3) and an outer electrode called base (2) enclosing the central electrode (3); an electrically insulating annular block, called insulation (4) interposed between the central electrode (3) and the base (2) having an annular shoulder (5). The invention is characterized in that the insulation (4) comprises an annular groove (8) located at the shoulder (5).

IPC 8 full level

H01T 13/46 (2006.01); H01T 13/50 (2006.01); H01T 13/52 (2006.01)

CPC (source: EP)

H01T 13/467 (2013.01); H01T 13/50 (2013.01); H01T 13/52 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

FR 2892240 A1 20070420; FR 2892240 B1 20101022; AT 465536 T 20100515; BR PI0617514 A2 20110726; CN 101292403 A 20081022; CN 101292403 B 20120620; DE 602006013857 D1 20100602; EP 1938430 A1 20080702; EP 1938430 B1 20100421; ES 2344522 T3 20100830; JP 2009512172 A 20090319; JP 4970458 B2 20120704; KR 101314761 B1 20131008; KR 20080063316 A 20080703; RU 2008119474 A 20091127; RU 2402127 C2 20101020; US 2008284303 A1 20081120; US 8040029 B2 20111018; WO 2007045776 A1 20070426

DOCDB simple family (application)

FR 0553149 A 20051018; AT 06831211 T 20060921; BR PI0617514 A 20060921; CN 200680038804 A 20060921; DE 602006013857 T 20060921; EP 06831211 A 20060921; ES 06831211 T 20060921; FR 2006050923 W 20060921; JP 2008536090 A 20060921; KR 20087009236 A 20060921; RU 2008119474 A 20060921; US 9072206 A 20060921