GB2147660B - Centre electrodes for spark plugs - Google Patents

Centre electrodes for spark plugs

Info

Publication number
GB2147660B
GB2147660B GB08424836A GB8424836A GB2147660B GB 2147660 B GB2147660 B GB 2147660B GB 08424836 A GB08424836 A GB 08424836A GB 8424836 A GB8424836 A GB 8424836A GB 2147660 B GB2147660 B GB 2147660B
Authority
GB
United Kingdom
Prior art keywords
spark plugs
centre electrodes
centre
electrodes
spark
Prior art date
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
GB08424836A
Other languages
English (en)
Other versions
GB2147660A (en
GB8424836D0 (en
Inventor
Friedrich E Schneider
Dieter Stockel
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.)
G RAU GmbH and Co KG
Original Assignee
G RAU GmbH and Co KG
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 G RAU GmbH and Co KG filed Critical G RAU GmbH and Co KG
Publication of GB8424836D0 publication Critical patent/GB8424836D0/en
Publication of GB2147660A publication Critical patent/GB2147660A/en
Application granted granted Critical
Publication of GB2147660B publication Critical patent/GB2147660B/en
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
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/39—Selection of materials for electrodes
GB08424836A 1983-10-03 1984-10-02 Centre electrodes for spark plugs Expired GB2147660B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833335855 DE3335855A1 (de) 1983-10-03 1983-10-03 Zuendkerzenmittelelektrode

Publications (3)

Publication Number Publication Date
GB8424836D0 GB8424836D0 (en) 1984-11-07
GB2147660A GB2147660A (en) 1985-05-15
GB2147660B true GB2147660B (en) 1988-05-25

Family

ID=6210799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08424836A Expired GB2147660B (en) 1983-10-03 1984-10-02 Centre electrodes for spark plugs

Country Status (5)

Country Link
BE (1) BE900726A (enrdf_load_stackoverflow)
DE (1) DE3335855A1 (enrdf_load_stackoverflow)
FR (1) FR2552947B1 (enrdf_load_stackoverflow)
GB (1) GB2147660B (enrdf_load_stackoverflow)
IT (2) IT8436112V0 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2234920A (en) * 1989-08-11 1991-02-20 Ford Motor Co Forming an erosion resistant tip on an electrode
JPH03101086A (ja) * 1989-09-14 1991-04-25 Ngk Spark Plug Co Ltd 内燃機関用スパークプラグ
US5866972A (en) * 1996-01-19 1999-02-02 Ngk Spark Plug Co., Ltd. Spark plug in use for an internal combustion engine

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB680374A (enrdf_load_stackoverflow) *
DE566633C (de) * 1932-12-22 Robert Bosch Akt Ges Zuendkerze mit Elektroden, die aus einem Gemenge von Bestandteilen hoher und niederer Verdampfungstemperatur bestehen
US2344597A (en) * 1941-03-18 1944-03-21 Johnson Matthey Co Ltd Electrode for sparking plugs
GB588074A (en) * 1944-01-29 1947-05-13 Mallory Metallurg Prod Ltd Improvements in and connected with sparking plugs
US2391457A (en) * 1944-02-01 1945-12-25 Mallory & Co Inc P R Spark plug electrode construction
GB588197A (en) * 1944-02-01 1947-05-16 Mallory Metallurg Prod Ltd Improvements in and relating to sparking plugs
GB591420A (en) * 1944-03-14 1947-08-18 Mallory Metallurg Prod Ltd Improvements in or relating to spark gap or sparking plug electrodes
GB579269A (en) * 1944-05-02 1946-07-29 Mallory Metallurg Prod Ltd Improvements in or relating to sparking plugs and electrodes therefor
US2783409A (en) * 1952-03-31 1957-02-26 Gen Motors Corp Spark plug electrode and process for making same
GB764831A (en) * 1954-04-07 1957-01-02 K L G Sparking Plugs Ltd Improvements in or relating to spark plugs and to electrodes for spark plugs
DE1908418U (de) * 1964-06-05 1965-01-14 Bosch Gmbh Robert Zuendkerze mit platinmetallelektrode.
DE1215834B (de) * 1964-06-13 1966-05-05 Bosch Gmbh Robert Verfahren zum Anschweissen von Zuendspitzen aus hochwertigem Metall, insbesondere Platin
US3407326A (en) * 1967-03-14 1968-10-22 Ford Motor Co Spark plug having a composite gold or gold alloy electrode and a process for its manufacture
US3548239A (en) * 1968-09-03 1970-12-15 Champion Spark Plug Co Spark plug electrode construction
US3868530A (en) * 1973-07-05 1975-02-25 Champion Spark Plug Co Spark plug
US3984717A (en) * 1973-08-30 1976-10-05 Chrysler Corporation Spark plug
DE2361274C3 (de) * 1973-12-08 1980-10-09 G. Rau, Gmbh & Co, 7530 Pforzheim Drahtförmige Elektrode, insbesondere Mittelelektrode, für Zündkerzen für Brennkraftmaschinen
DE2444509A1 (de) * 1974-09-18 1976-04-08 Bosch Gmbh Robert Zuendkerzen-elektrode
DE2508490C3 (de) * 1975-02-27 1984-07-26 G. Rau GmbH & Co, 7530 Pforzheim Metallischer Verbundwerkstoff und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
IT8436112V0 (it) 1984-10-02
DE3335855A1 (de) 1985-04-11
GB2147660A (en) 1985-05-15
IT1178012B (it) 1987-09-03
DE3335855C2 (enrdf_load_stackoverflow) 1991-05-16
IT8448936A0 (it) 1984-10-02
GB8424836D0 (en) 1984-11-07
FR2552947A1 (fr) 1985-04-05
BE900726A (fr) 1985-02-01
FR2552947B1 (fr) 1988-03-18
IT8448936A1 (it) 1986-04-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921002