GB2027797B - Spark plug - Google Patents

Spark plug

Info

Publication number
GB2027797B
GB2027797B GB7918522A GB7918522A GB2027797B GB 2027797 B GB2027797 B GB 2027797B GB 7918522 A GB7918522 A GB 7918522A GB 7918522 A GB7918522 A GB 7918522A GB 2027797 B GB2027797 B GB 2027797B
Authority
GB
United Kingdom
Prior art keywords
spark plug
spark
plug
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
GB7918522A
Other versions
GB2027797A (en
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
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
Priority claimed from JP9304478A external-priority patent/JPS5519768A/en
Priority claimed from JP12760378A external-priority patent/JPS5553885A/en
Application filed by NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Publication of GB2027797A publication Critical patent/GB2027797A/en
Application granted granted Critical
Publication of GB2027797B publication Critical patent/GB2027797B/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
GB7918522A 1978-07-28 1979-05-29 Spark plug Expired GB2027797B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9304478A JPS5519768A (en) 1978-07-28 1978-07-28 Ignition plug
JP12760378A JPS5553885A (en) 1978-10-16 1978-10-16 Ignition plug for internal combustion engine

Publications (2)

Publication Number Publication Date
GB2027797A GB2027797A (en) 1980-02-27
GB2027797B true GB2027797B (en) 1983-01-12

Family

ID=26434491

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7918522A Expired GB2027797B (en) 1978-07-28 1979-05-29 Spark plug

Country Status (5)

Country Link
BR (1) BR7904108A (en)
DE (1) DE2922305C2 (en)
FR (1) FR2432232A1 (en)
GB (1) GB2027797B (en)
IT (1) IT1117363B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184484A (en) * 1985-12-21 1987-06-24 Dawson Royalties Ltd Spark plugs
GB2210103B (en) * 1987-09-17 1992-02-05 Champion Spark Plug Europ Spark plug for internal combustion engine
US5563469A (en) * 1989-12-27 1996-10-08 Nippondenso Co., Ltd. Spark plug for internal combustion engine
DE69027010T2 (en) * 1989-12-27 1996-10-31 Nippon Denso Co Spark plug for internal combustion engines
US5610470A (en) * 1993-07-12 1997-03-11 Wofsey; David Spark plug for an internal combustion engine
US5650687A (en) * 1994-03-01 1997-07-22 Van Den Bogaert; Bernard Ground electrodes for ignition plugs
JPH08213149A (en) * 1995-02-01 1996-08-20 Ngk Spark Plug Co Ltd Spark plug
GB2325492B (en) * 1997-05-20 2000-02-16 Dawson Royalties Ltd Spark Plug
JPH1154240A (en) * 1997-07-31 1999-02-26 Ngk Spark Plug Co Ltd Spark plug
DE102004011588A1 (en) * 2004-03-10 2005-09-29 Robert Bosch Gmbh Sparking plug, has V-slot on lateral surface of ground/earth electrode

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620341A (en) * 1926-02-01 1927-03-08 George W Gardner Spark plug
FR618316A (en) * 1926-05-14 1927-03-07 Improvements made to spark plugs in explosion engines
DE1948588A1 (en) * 1968-10-04 1970-05-21 Hitachi Ltd Spark plug
US3970885A (en) * 1972-09-18 1976-07-20 Nippondenso Co., Ltd. Ignition plug for internal combustion engines

Also Published As

Publication number Publication date
BR7904108A (en) 1980-04-01
FR2432232A1 (en) 1980-02-22
GB2027797A (en) 1980-02-27
IT7949225A0 (en) 1979-05-29
DE2922305C2 (en) 1985-04-11
DE2922305A1 (en) 1980-02-07
FR2432232B1 (en) 1983-04-15
IT1117363B (en) 1986-02-17

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990528