Global Patent Index - EP 2301121 B1

EP 2301121 B1 20120208 - INSTALLATION SPACE-OPTIMIZED SPARK PLUG

Title (en)

INSTALLATION SPACE-OPTIMIZED SPARK PLUG

Title (de)

BAURAUMOPTIMIERTE ZÜNDKERZE

Title (fr)

BOUGIE D'ALLUMAGE À ENCOMBREMENT OPTIMISÉ

Publication

EP 2301121 B1 20120208 (DE)

Application

EP 09779565 A 20090528

Priority

  • EP 2009056508 W 20090528
  • DE 102008040285 A 20080709

Abstract (en)

[origin: WO2010003733A1] The invention relates to a spark plug (1) for an internal combustion engine, comprising a metal housing (2) having a first housing part (21), particularly a housing seat, a second housing part (26), particularly a housing tube, a center electrode (4), a ground electrode (5) disposed at the first housing part (21), and an isolator (6) in order to separate the center electrode (4) from the ground electrode (5), wherein the first housing part (21) is closer to the combustion chamber than the second housing part (26), wherein the first housing part (21) has a housing seating surface (24) for the safe seating of the spark plug (1) in an installed state, and wherein a first wall thickness (D1) of the first housing part (21) is larger than a second wall thickness (D2) of the second housing part (26).

IPC 8 full level

H01T 13/08 (2006.01); H01T 13/20 (2006.01); H01T 13/32 (2006.01)

CPC (source: EP)

H01T 13/08 (2013.01); H01T 13/20 (2013.01); H01T 13/32 (2013.01)

Designated contracting state (EPC)

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 SE SI SK TR

DOCDB simple family (publication)

DE 102008040285 A1 20100114; AT E545183 T1 20120215; CN 102089946 A 20110608; EP 2301121 A1 20110330; EP 2301121 B1 20120208; JP 2011527491 A 20111027; WO 2010003733 A1 20100114

DOCDB simple family (application)

DE 102008040285 A 20080709; AT 09779565 T 20090528; CN 200980126569 A 20090528; EP 09779565 A 20090528; EP 2009056508 W 20090528; JP 2011517051 A 20090528