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EP 0983621 A1 20000308 - SPARK PLUG

Title (en)

SPARK PLUG

Title (de)

ZÜNDKERZE

Title (fr)

BOUGIE D'ALLUMAGE

Publication

EP 0983621 A1 20000308 (EN)

Application

EP 98921648 A 19980519

Priority

GB 9801434 W 19980519
GB 9710085 A 19970520
GB 9715035 A 19970717

Abstract (en)

[origin: WO9853540A1] A spark plug for an internal combustion engine is described. The spark plug includes at least a cathode and an anode ground electrode between which a spark is formed wherein the part of the ground electrode on which the spark impinges is in the form of at least one low area projection such as a spike and an end of the cathode adjacent the ground electrode may have a recessed form.

IPC 1-7

H01T 13/32; H01T 13/20

IPC 8 full level

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

CPC (source: EP)

H01T 13/32 (2013.01)

Citation (search report)

See references of WO 9853540A1

Designated contracting state (EPC)

BE DE ES FR

DOCDB simple family (publication)

WO 9853540 A1 19981126; AU 7443098 A 19981211; EP 0983621 A1 20000308; JP 2001525982 A 20011211

DOCDB simple family (application)

GB 9801434 W 19980519; AU 7443098 A 19980519; EP 98921648 A 19980519; JP 55011098 A 19980519