FR2432232A1 - INTERNAL COMBUSTION ENGINE SPARK PLUG - Google Patents

INTERNAL COMBUSTION ENGINE SPARK PLUG

Info

Publication number
FR2432232A1
FR2432232A1 FR7913887A FR7913887A FR2432232A1 FR 2432232 A1 FR2432232 A1 FR 2432232A1 FR 7913887 A FR7913887 A FR 7913887A FR 7913887 A FR7913887 A FR 7913887A FR 2432232 A1 FR2432232 A1 FR 2432232A1
Authority
FR
France
Prior art keywords
spark plug
parts
outer electrode
combustion engine
internal combustion
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
FR7913887A
Other languages
French (fr)
Other versions
FR2432232B1 (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 FR2432232A1 publication Critical patent/FR2432232A1/en
Application granted granted Critical
Publication of FR2432232B1 publication Critical patent/FR2432232B1/fr
Granted 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

Abstract

L'invention concerne une bougie d'allumage de moteur à combustion interne Cette bougie d'allumage comporte des parties de l'électrode centrale, sur les deux côtés de l'electrode extérieure, qui sont en saillie vers l'électrode extérieure et une rainure dans l'électrode extérieure, et/ou des parties de l'électrode extérieure, en face des parties en saillie de l'électrode centrale, qui sont également en saillie en formant des arêtes de manière que les étincelles se produisent principalement entre ces parties en saillie, éliminant ainsi l'effet d'étouffement de la flamme et améliorant le pouvoir d'allumage. L'invention s'applique notamment à des moteurs de véhicules automobiles.Disclosed is an internal combustion engine spark plug. This spark plug has parts of the center electrode, on both sides of the outer electrode, which protrude towards the outer electrode and a groove. in the outer electrode, and / or parts of the outer electrode, opposite the protruding parts of the central electrode, which also protrude forming ridges so that sparks mainly occur between these parts in protrusion, thereby eliminating the flame smothering effect and improving ignition power. The invention applies in particular to motor vehicle engines.

FR7913887A 1978-07-28 1979-05-30 INTERNAL COMBUSTION ENGINE SPARK PLUG Granted FR2432232A1 (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
FR2432232A1 true FR2432232A1 (en) 1980-02-22
FR2432232B1 FR2432232B1 (en) 1983-04-15

Family

ID=26434491

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913887A Granted FR2432232A1 (en) 1978-07-28 1979-05-30 INTERNAL COMBUSTION ENGINE 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
EP0435202B1 (en) * 1989-12-27 1996-05-15 Nippondenso Co., Ltd. Spark plug for internal combustion engine
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (1)

* 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2027797B (en) 1983-01-12
BR7904108A (en) 1980-04-01
FR2432232B1 (en) 1983-04-15
DE2922305A1 (en) 1980-02-07
IT1117363B (en) 1986-02-17
GB2027797A (en) 1980-02-27
DE2922305C2 (en) 1985-04-11
IT7949225A0 (en) 1979-05-29

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