FR2155759A5 - - Google Patents

Info

Publication number
FR2155759A5
FR2155759A5 FR7238652A FR7238652A FR2155759A5 FR 2155759 A5 FR2155759 A5 FR 2155759A5 FR 7238652 A FR7238652 A FR 7238652A FR 7238652 A FR7238652 A FR 7238652A FR 2155759 A5 FR2155759 A5 FR 2155759A5
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7238652A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOSCH
Original Assignee
BOSCH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOSCH filed Critical BOSCH
Application granted granted Critical
Publication of FR2155759A5 publication Critical patent/FR2155759A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/46—Sparking plugs having two or more spark gaps
    • H01T13/467—Sparking plugs having two or more spark gaps in parallel connection
FR7238652A 1972-02-08 1972-10-31 Expired FR2155759A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722205720 DE2205720A1 (de) 1972-02-08 1972-02-08 Hochspannungszuendkerze fuer brennkraftmaschinen

Publications (1)

Publication Number Publication Date
FR2155759A5 true FR2155759A5 (ja) 1973-05-18

Family

ID=5835277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238652A Expired FR2155759A5 (ja) 1972-02-08 1972-10-31

Country Status (5)

Country Link
JP (1) JPS4891431A (ja)
DE (1) DE2205720A1 (ja)
FR (1) FR2155759A5 (ja)
GB (1) GB1370762A (ja)
IT (1) IT973106B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532392Y2 (ja) * 1976-03-31 1980-08-01
US4194486A (en) * 1977-02-15 1980-03-25 Toyo Kogyo Co., Ltd. Ignition means for rotary piston engines
JP3140006B2 (ja) * 1998-06-11 2001-03-05 日本特殊陶業株式会社 スパークプラグ
US11552456B1 (en) 2022-01-10 2023-01-10 Federal-Mogul Ignition Llc Pre-chamber spark plug
US11757262B1 (en) 2022-12-28 2023-09-12 Federal-Mogul Ignition Gmbh Prechamber spark plug and method of manufacturing the same

Also Published As

Publication number Publication date
GB1370762A (en) 1974-10-16
JPS4891431A (ja) 1973-11-28
DE2205720A1 (de) 1973-08-23
IT973106B (it) 1974-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse