EP 4211762 A1 20230719 - ECONOMICAL PRE-CHAMBER SPARK PLUG
Title (en)
ECONOMICAL PRE-CHAMBER SPARK PLUG
Title (de)
KOSTENGÜNSTIGE VORKAMMERZÜNDKERZE
Title (fr)
BOUGIE D'ALLUMAGE DE PRÉCHAMBRE ÉCONOMIQUE
Publication
Application
Priority
- DE 102020211356 A 20200910
- EP 2021069514 W 20210713
Abstract (en)
[origin: WO2022053203A1] The present invention relates to a pre-chamber spark plug, comprising a middle electrode (2) with a first noble metal body (20), which has a first end spark face (21), a ground electrode (3) with a second noble metal body (30), which has a second end spark face (31), a housing (4), the ground electrode (3) being fixed in the housing (4), an insulator (5), which electrically insulates the middle electrode (2) with respect to the ground electrode (3), and a cap (6), which together with a part of the housing (4) defines a pre-chamber (7), the first end spark face (21) and the second end spark face (31) being arranged oppositely at a distance from one another.
IPC 8 full level
H01T 13/20 (2006.01); H01T 13/32 (2006.01); H01T 13/39 (2006.01); H01T 13/54 (2006.01)
CPC (source: EP US)
H01T 13/20 (2013.01 - EP); H01T 13/32 (2013.01 - EP US); H01T 13/39 (2013.01 - EP US); H01T 13/54 (2013.01 - EP US); Y02T 10/12 (2013.01 - EP)
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102020211356 A1 20220310; CN 116075994 A 20230505; EP 4211762 A1 20230719; US 12184042 B2 20241231; US 2023318264 A1 20231005; WO 2022053203 A1 20220317
DOCDB simple family (application)
DE 102020211356 A 20200910; CN 202180062251 A 20210713; EP 2021069514 W 20210713; EP 21745306 A 20210713; US 202118044036 A 20210713