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GB9810648D0 - Spark Plug - Google Patents

Spark Plug

Info

Publication number
GB9810648D0
GB9810648D0 GBGB9810648.7A GB9810648A GB9810648D0 GB 9810648 D0 GB9810648 D0 GB 9810648D0 GB 9810648 A GB9810648 A GB 9810648A GB 9810648 D0 GB9810648 D0 GB 9810648D0
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.)
Granted
Application number
GBGB9810648.7A
Other versions
GB2325492A (en
GB2325492B (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.)
Dawson Royalties Ltd
Original Assignee
Dawson Royalties 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 GBGB9710085.3A external-priority patent/GB9710085D0/en
Application filed by Dawson Royalties Ltd filed Critical Dawson Royalties Ltd
Priority to GB9810648A priority Critical patent/GB2325492B/en
Publication of GB9810648D0 publication Critical patent/GB9810648D0/en
Publication of GB2325492A publication Critical patent/GB2325492A/en
Application granted granted Critical
Publication of GB2325492B publication Critical patent/GB2325492B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
GB9810648A 1997-05-20 1998-05-19 Spark Plug Expired - Fee Related GB2325492B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9810648A GB2325492B (en) 1997-05-20 1998-05-19 Spark Plug

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9710085.3A GB9710085D0 (en) 1997-05-20 1997-05-20 Spark plug
GB9715035A GB9715035D0 (en) 1997-05-20 1997-07-17 Spark plug
GB9810648A GB2325492B (en) 1997-05-20 1998-05-19 Spark Plug

Publications (3)

Publication Number Publication Date
GB9810648D0 true GB9810648D0 (en) 1998-07-15
GB2325492A GB2325492A (en) 1998-11-25
GB2325492B GB2325492B (en) 2000-02-16

Family

ID=27268846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9810648A Expired - Fee Related GB2325492B (en) 1997-05-20 1998-05-19 Spark Plug

Country Status (1)

Country Link
GB (1) GB2325492B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004011588A1 (en) * 2004-03-10 2005-09-29 Robert Bosch Gmbh Sparking plug, has V-slot on lateral surface of ground/earth electrode
JP4692588B2 (en) * 2007-07-31 2011-06-01 株式会社デンソー Spark plug for internal combustion engine and method for manufacturing the same
DE102019212390A1 (en) * 2019-08-19 2021-02-25 Robert Bosch Gmbh Ground electrode and spark plug with such a ground electrode
US11569640B2 (en) 2021-06-23 2023-01-31 Caterpillar Inc. Spark plug

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409335A (en) *
GB152909A (en) * 1920-01-26 1920-10-28 Howard Edgar Holloway Improvements in sparking plugs for internal combustion engines
GB160154A (en) * 1920-03-08 1922-03-14 Champion Ignition Co Improvements in spark plugs
GB174079A (en) * 1921-01-17 1923-03-29 Bosch Robert Improvements in electrical starting devices for heavy oil motors
GB496284A (en) * 1937-02-17 1938-11-28 Leo Graf Improvements in or relating to sparking plugs
GB491837A (en) * 1937-02-25 1938-09-09 Ludwig Kral Sparking plugs
US3659137A (en) * 1970-05-22 1972-04-25 Gen Motors Corp Low voltage spark plugs
US4109633A (en) * 1975-09-16 1978-08-29 New Cosmos Electric Company Limited Spark-plug for automobile internal combustion engine
US4023058A (en) * 1976-05-14 1977-05-10 Jose Hector Lara Spark plug
GB2027797B (en) * 1978-07-28 1983-01-12 Ngk Spark Plug Co Spark plug
US4514657A (en) * 1980-04-28 1985-04-30 Nippon Soken, Inc. Spark plug having dual gaps for internal combustion engines
US4439708A (en) * 1980-05-30 1984-03-27 Nippon Soken, Inc. Spark plug having dual gaps
DE8418011U1 (en) * 1984-06-14 1984-10-04 Diamantidis, Georg, 7014 Kornwestheim SPARK PLUG WITH LACE-SHAPED ELECTRODE
GB2164091A (en) * 1984-09-08 1986-03-12 Ford Motor Co A spark plug for an internal combustion engine
US5373214A (en) * 1992-06-12 1994-12-13 Mccready; David F. Spark plug and electrode arrangement therefor

Also Published As

Publication number Publication date
GB2325492A (en) 1998-11-25
GB2325492B (en) 2000-02-16

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Legal Events

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

Effective date: 20020519