CA2044622A1 - Spark plug with ring shaped ground electrode - Google Patents

Spark plug with ring shaped ground electrode

Info

Publication number
CA2044622A1
CA2044622A1 CA2044622A CA2044622A CA2044622A1 CA 2044622 A1 CA2044622 A1 CA 2044622A1 CA 2044622 A CA2044622 A CA 2044622A CA 2044622 A CA2044622 A CA 2044622A CA 2044622 A1 CA2044622 A1 CA 2044622A1
Authority
CA
Canada
Prior art keywords
electrode
spark plug
ground electrode
ring shaped
shaped ground
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
CA2044622A
Other languages
French (fr)
Other versions
CA2044622C (en
Inventor
James E. Johnson
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.)
Halo Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2044622A1 publication Critical patent/CA2044622A1/en
Application granted granted Critical
Publication of CA2044622C publication Critical patent/CA2044622C/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
    • 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

Landscapes

  • Spark Plugs (AREA)

Abstract

Spark plug for an internal combustion engine having a metal shell (20) enclosing a ceramic insulator (16) containing a conductive centre electrode (18) having a bottom end (58) exiting from the insulator. The bottom end of the centre electrode is spaced apart from a groud electrode ( 12) attached to the metal shell by at least one support member or mounting post (38) . The ground electrode is ring/openring shaped and its interior diameter ranges from equal to the exterior diameter of the centre electrode to a multiple of the size of the interior diameter of the centre electrode. Fig. 1
CA002044622A 1989-10-13 1990-10-13 Spark plug with ring shaped ground electrode Expired - Fee Related CA2044622C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US421,172 1982-09-22
US42117289A 1989-10-13 1989-10-13
PCT/EP1990/001738 WO1991006142A1 (en) 1989-10-13 1990-10-13 Spark plug with a ring/open-ring shaped ground electrode

Publications (2)

Publication Number Publication Date
CA2044622A1 true CA2044622A1 (en) 1991-04-14
CA2044622C CA2044622C (en) 2000-12-26

Family

ID=23669464

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002044622A Expired - Fee Related CA2044622C (en) 1989-10-13 1990-10-13 Spark plug with ring shaped ground electrode

Country Status (6)

Country Link
EP (1) EP0451264B1 (en)
JP (1) JPH04503731A (en)
AT (1) ATE132304T1 (en)
CA (1) CA2044622C (en)
DE (1) DE69024480T2 (en)
WO (1) WO1991006142A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19705372C2 (en) * 1997-02-12 2002-06-27 Beru Werk Ruprecht Gmbh Co A Spark plug for an internal combustion engine
DE102004011588A1 (en) * 2004-03-10 2005-09-29 Robert Bosch Gmbh Sparking plug, has V-slot on lateral surface of ground/earth electrode
TW201001854A (en) * 2008-06-26 2010-01-01 chen-jun Liao Spark plug
US9172217B2 (en) 2010-11-23 2015-10-27 Woodward, Inc. Pre-chamber spark plug with tubular electrode and method of manufacturing same
US8584648B2 (en) 2010-11-23 2013-11-19 Woodward, Inc. Controlled spark ignited flame kernel flow
US9476347B2 (en) 2010-11-23 2016-10-25 Woodward, Inc. Controlled spark ignited flame kernel flow in fuel-fed prechambers
KR101227903B1 (en) 2011-08-29 2013-02-06 우진공업주식회사 Spark plug for internal combustion engine
US9856848B2 (en) 2013-01-08 2018-01-02 Woodward, Inc. Quiescent chamber hot gas igniter
US9765682B2 (en) 2013-06-10 2017-09-19 Woodward, Inc. Multi-chamber igniter
US8839762B1 (en) 2013-06-10 2014-09-23 Woodward, Inc. Multi-chamber igniter
JP6580701B2 (en) 2015-03-20 2019-09-25 ウッドワード, インコーポレーテッドWoodward, Inc. Parallel pre-combustion chamber ignition system
US9653886B2 (en) 2015-03-20 2017-05-16 Woodward, Inc. Cap shielded ignition system
US9890689B2 (en) 2015-10-29 2018-02-13 Woodward, Inc. Gaseous fuel combustion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2298504A (en) * 1940-06-10 1942-10-13 Frederick A Ost Spark plug
FR945476A (en) * 1941-10-11 1949-05-05 Bendix Aviat Corp Spark plug and its manufacturing process
FR1134688A (en) * 1955-11-07 1957-04-16 Floquet Spark plug
EP0167687A1 (en) * 1984-07-10 1986-01-15 Wen-Tu Wang A spark plug with a ring-shaped ground electrode
FR2612346A1 (en) * 1987-03-13 1988-09-16 Bernies Francis Conversion of a conventional sparkplug into an adjustable, enclosed 7,8 semi-annular sparkplug

Also Published As

Publication number Publication date
EP0451264B1 (en) 1995-12-27
WO1991006142A1 (en) 1991-05-02
CA2044622C (en) 2000-12-26
DE69024480T2 (en) 1996-05-15
JPH04503731A (en) 1992-07-02
ATE132304T1 (en) 1996-01-15
EP0451264A1 (en) 1991-10-16
DE69024480D1 (en) 1996-02-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed