CA2044622A1 - Spark plug with ring shaped ground electrode - Google Patents
Spark plug with ring shaped ground electrodeInfo
- 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
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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42117289A | 1989-10-13 | 1989-10-13 | |
US421,172 | 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)
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 |
US9476347B2 (en) | 2010-11-23 | 2016-10-25 | Woodward, Inc. | Controlled spark ignited flame kernel flow in fuel-fed prechambers |
US8584648B2 (en) | 2010-11-23 | 2013-11-19 | Woodward, Inc. | Controlled spark ignited flame kernel flow |
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 |
US9653886B2 (en) | 2015-03-20 | 2017-05-16 | Woodward, Inc. | Cap shielded ignition system |
EP3271561B1 (en) | 2015-03-20 | 2018-12-12 | Woodward, Inc. | Parallel prechamber ignition system |
US9890689B2 (en) | 2015-10-29 | 2018-02-13 | Woodward, Inc. | Gaseous fuel combustion |
Family Cites Families (5)
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 |
-
1990
- 1990-10-13 EP EP91900245A patent/EP0451264B1/en not_active Expired - Lifetime
- 1990-10-13 CA CA002044622A patent/CA2044622C/en not_active Expired - Fee Related
- 1990-10-13 JP JP3500623A patent/JPH04503731A/en active Pending
- 1990-10-13 WO PCT/EP1990/001738 patent/WO1991006142A1/en active IP Right Grant
- 1990-10-13 AT AT91900245T patent/ATE132304T1/en not_active IP Right Cessation
- 1990-10-13 DE DE69024480T patent/DE69024480T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2044622C (en) | 2000-12-26 |
DE69024480D1 (en) | 1996-02-08 |
DE69024480T2 (en) | 1996-05-15 |
EP0451264A1 (en) | 1991-10-16 |
WO1991006142A1 (en) | 1991-05-02 |
JPH04503731A (en) | 1992-07-02 |
EP0451264B1 (en) | 1995-12-27 |
ATE132304T1 (en) | 1996-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |