EP1265328B1 - Zündkerze einer Brennkraftmaschine - Google Patents
Zündkerze einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP1265328B1 EP1265328B1 EP02010192A EP02010192A EP1265328B1 EP 1265328 B1 EP1265328 B1 EP 1265328B1 EP 02010192 A EP02010192 A EP 02010192A EP 02010192 A EP02010192 A EP 02010192A EP 1265328 B1 EP1265328 B1 EP 1265328B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spark plug
- set forth
- housing
- welded
- insulator body
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 9
- 239000012212 insulator Substances 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 19
- 230000002349 favourable effect Effects 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 6
- 239000010970 precious metal Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000010894 electron beam technology Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229910000629 Rh alloy Inorganic materials 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910001055 inconels 600 Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
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
- H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
- H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs
-
- 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
Definitions
- the present invention relates to a spark plug of an internal combustion engine, in particular for use in gasoline engines, with an insulator body, with at least one fixed ground electrode support assembly and with at least a fixed center electrode carrier, wherein at least one housing upper part and a housing lower part having spark plug housing the insulator body at least partially surrounds, wherein at least the combustion chamber side of the Insulator body of the lower housing part together with the upper housing part pressure-resistant, preferably completely, is included.
- spark plugs for industrial gas engines are in many cases products derived from the automotive industry and by corresponding improvements for preferential use in industrial gas engines were adjusted.
- These candles usually have a fixed cylindrical Center electrode, which is provided with a noble metal pin.
- At the fixed Ground electrodes become both the hook electrode and two to four laterally mounted electrode fingers used.
- Such ground electrodes can also be provided with a precious metal plate.
- Spark plugs of this type are made EP 0834973 A2, EP 0859436 A1, EP 1049222 A1, DE 19641856 A1 and from the WO 95/25372 known. Spark plugs with multi-part spark plug housings are e.g. out GB 156,087 A or US 6,152,095 A.
- spark plugs A major disadvantage This known in the prior art spark plugs is that their compressive strength is not sufficiently well trained for a permanent operation. So It often happens with spark plugs according to the prior art for unintentional Squeezing the insulator body or the base center electrode. happens this in operating conditions in which a high internal pressure in the cylinder of the internal combustion engine prevails, it may in the prior art to an explosive Imposition of insulator body and / or base center electrode come under what also pose a threat to the operating staff present.
- the object of the invention is therefore to avoid the disadvantages listed above and a particularly flameproof, but also easy to manufacture spark plug available to deliver.
- the individual parts can be very pressure resistant manufactured, then pushed onto the insulator body and by welding be assembled in such a way that a very pressure-resistant spark plug arises. Following welding occurs when cooling the spark plug housing a shrinkage process, which leads to a further bias.
- the conveniently provided seals between Insulator body and spark plug housing additionally pressurized, thereby a particularly good seal is achieved.
- the composite comprises housing lower part and Housing upper part of the insulator body of the spark plug in such a way that an unwanted Extruding the insulator body or the base center electrode from the spark plug housing effectively prevented.
- housing lower and upper part refer to the normal installation position of a spark plug, in which the Lower part of the housing towards the combustion chamber and the upper part of the housing pointing upwards in the direction of the spark plug connector.
- connection of the individual parts of the spark plug housing it is particularly favorable that these in their contact area before welding pushed together and / or optionally additionally pressed.
- connection in the contact area between the individual parts of the Spark plug housing is made a particularly flameproof spark plug.
- the individual parts of the Spark plug housing made of electrically conductive material and / or the Connections of the individual parts of the spark plug housing in their respective Contact area are formed conductive. This allows the spark plug as electrically conductive connector between at least one ground electrode and the cylinder or engine block are used.
- the compressive strength of the spark plug is particularly preferred Embodiments further reinforced by the fact that the insulator body at least one preferably extending over its entire circumference bead which preferably has at least one contact area of at least two Housing parts, is arranged, with the welding offers on the bead.
- the Designation Ground electrode carrier assembly refers to a Arrangement of at least one ground electrode carrier on which in turn at least one ground electrode is arranged.
- the ground electrode support assembly preferably four perpendicular to each other, flat, preferably after having pointing inside, ground electrodes.
- at least a ground electrode and / or at least one ground electrode support assembly welded to at least a portion of the spark plug housing and / or is integrated in at least part of the spark plug housing.
- center electrode carrier in the counterpart to the ground electrodes and the ground electrode support assembly specially designed center electrode carrier is special favorable, that at least one, preferably four, arranged perpendicular to each other - planar - preferably outwardly facing - center electrode (s) on the central electrode support is arranged (are).
- the center electrode carrier as also the ground electrode carrier arrangement one or more individual electrode carrier and electrodes. It is particularly favorable that the electrodes of the Center electrode carrier and the ground electrode carrier assembly in pairs plane-parallel opposite an insulating air gap between each other are arranged. By such an arrangement is a very good and reliable ignition of the fuel-air mixture as well as a long time Life of the flameproof spark plug reached.
- a particularly pressure-resistant variant is achieved in that the center electrode carrier is shouldered on the insulator body and / or the Base center electrode surrounds and / or with the base center electrode preferably completely welded. This is mainly an unwanted expressions of Base center electrode from the spark plug prevented.
- the edge length of the center electrodes and / or the Ground electrodes greater than 4 mm, preferably greater than 6 mm.
- Another Improving the life of the electrodes is achieved in that the Electrodes of the center electrode support assembly a coating of precious metal and / or precious metal platelets.
- a spark plug For producing such a spark plug provides a favorable method that the individually manufactured housing parts of the spark plug housing, via a standard standard insulator body pushed and / or pushed over each other and welded.
- a standard insulator body for the production a spark plug according to the invention can be used, which the production costs significantly reduced for such a spark plug.
- the housing parts be welded together by laser. It is particularly favorable about it
- the center electrode carrier made in advance, flush on a Base center electrode of the insulator body pushed to the insulator base and is welded.
- ground electrode carrier assembly with at least a portion of the spark plug housing welded or integrated in at least part of the spark plug housing is manufactured and that for welding a pulsed and / or continuously working laser welding process and / or electron beam welding process and / or plasma welding and / or high vacuum soldering and / or Electrode beam welding process and / or plasma welding process and / or high vacuum soldering and / or resistance welding technique becomes.
- spark plug according to the invention is on a standard insulator body like him used commercially by various spark plug manufacturers is resorted to.
- This insulator body 1 (usually made of ceramic) is under double-sided supplement a seal 2 inserted into a spark plug housing upper part 3.
- the Spark plug housing lower part 4 is also pushed onto the insulator body 1.
- upper and lower part 4 are preferably in Area of Isolatorwulst 15 pressed together. Being in the pre-stressed state the housing parts welded together by means of laser 5.
- the upper housing 3 can be designed very stable pressure. A motor pressure conditional expressions of the insulator body 1 is thus prevented.
- the welding process in the contact region 5 on the biased housing 3 are the housing components permanently biased and thus it comes to a seal between housing 3.4 - seal 2 and insulator body. 1
- housing top and bottom 3,4 can weldable structural steels, Stainless steels and their alloys but also nickel-based alloys or Brass alloys are used.
- the advantage of the brass housing is in the better heat dissipation.
- Due to the selected bivalve shape of the housing can be a very compact High pressure candle with eg M18 x 1.5 thread 13 are made.
- ground electrode carrier arrangement 6 can be provided on the motor side be applied.
- a ground electrode support assembly 6 from Inco Alloy 600 (WNr 2.4816) welded by laser to the housing in area 7.
- WNr 2.4816 nickel base alloys or High-temperature stainless steels are used.
- ground electrode carrier arrangement 6 could also be made in one piece be made as an integral part of the housing base 4.
- This construction makes it possible in relation to the compact Total component size to produce very long electrode erosion edges. It will be on the ground electrode support assembly noble metal plate 9 with an edge length greater than 4.0 mm used.
- the edge length of the ground electrode 9 is 6.25 mm.
- ground electrodes 9 come platelets with dimensions of 6.25 x 1.6 x 0.5 mm (other dimensions may be used).
- Noble metal may e.g. Pt Rh alloys (90/10, 95/5, 80/20, 75/25) used become.
- the welding process can be pulsed lasers, continuous lasers (CW lasers) , Electron beam welding or vacuum and Hochvakuumlötvon and plasma welding or Resistance welding technology can be used.
- the base center electrode 12 of the insulator body 1 is provided with a Center electrode carrier 10 welded in the area 11.
- the center electrode carrier 10 is placed on the base center electrode 12 pushed until it rests flush on the insulator base 14. In this position he will be with the base center electrode in the region 11 welded.
- the Center electrode support 10 and the base center electrode 12 high pressure safe.
- On Squeezing out of the insulator base of the base center electrode due to the Motor pressure is not possible since the welded to the base center electrode 12 Center electrode support 10 is shouldered 14 on 14 insulator base.
- the Welded joint 11 between electrode carrier and electrode is through the Welding made with a pulsed laser. However, it can also be one continuous laser (CW laser), the electron beam welding process, a Soldering or resistance welding technology can be used.
- the weld 11 may be along the entire length of the base center electrode 12 take place from the outside so by the center electrode carrier 10 on the Base center electrode 12 is welded through. It can be one or more Spot welds and one or more weld seams which in the Longitudinal axis if necessary several times on the circumference or radially if necessary several times on Scope can be arranged.
- the center electrode carrier 10 is designed so that it has a good mixture accessibility allows.
- the inventive design is an easy readjustment possible.
- the center electrode carrier is designed so that center electrodes 8 with a Length greater than 4 mm can be welded. In the concrete invention the edge length of the center electrode 8 is 6, 25 mm.
- the center electrode carrier 10 is designed with 4 separate electrode fingers on which precious metal electrodes are welded as center electrodes 8.
- the center electrode arrangement 10 are provided with noble metal platelets as center electrodes 8 These are laser-sided or on both sides with the carrier welded. The weld is mounted so that at the electrode sides of the Gap is closed. That means between precious metal plates and Electrode carrier fingers, there is no open gap (or opening) through which Gas can enter.
- Niobium nitride As a center electrode carrier material Inco Alloy 600 (WNr. 2.4816). As alternatives, other nickel-based alloys may also be used or high-temperature stainless steels are used.
- center electrodes 8 come platelets with dimensions of 6.25 x 2.0 x 0.5 mm (other dimensions may be used).
- Noble metal may e.g. Pt Rh alloys (90/10, 95/5, 80/20, 75/25) used become.
Description
Claims (16)
- Zündkerze einer Brennkraftmaschine, insbesondere für den Einsatz bei Ottogasmotoren, mit einem Isolatorkörper (1), mit mindestens einer feststehenden Masseelektrodenträgeranordnung und mit mindestens einem feststehenden Mittelelektrodenträger, wobei ein zumindest ein Gehäuseoberteil (3) und ein Gehäuseunterteil (4) aufweisendes Zündkerzengehäuse den Isolatorkörper (1) zumindest teilweise umgibt, wobei zumindest der brennkammerseitige Teil des Isolatorkörpers (1) von dem Gehäuseunterteil (4) gemeinsam mit dem Gehäuseoberteil (3) druckfest, vorzugsweise vollständig, umfaßt ist, dadurch gekennzeichnet, daß das Gehäuseoberteil (3) und das Gehäuseunterteil (4) miteinander verschweißt sind.
- Zündkerze nach Anspruch 1, dadurch gekennzeichnet, daß die einzelnen Teile (3,4) des Zündkerzengehäuses in ihrem Kontaktbereich (5) übereinandergeschoben sind.
- Zündkerze nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Gehäuseoberteil (3) und das Gehäuseunterteil (4) mittels Laser miteinander verschweißt sind.
- Zündkerze nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Isolatorkörper (1) mindestens eine, vorzugsweise sich über seinen gesamten Umfang erstreckende, Wulst (15) aufweist, die vorzugsweise in mindestens einem Kontaktbereich (5) von mindestens zwei Gehäuseteilen (3,4) angeordnet ist.
- Zündkerze nach Anspruch 4, dadurch gekennzeichnet, daß das Gehäuseoberteil (3) und das Gehäuseunterteil (4) auf der Wulst (15) miteinander verschweißt sind.
- Zündkerze nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß mindestens ein Teil des Zündkerzengehäuses ein Gewinde (13) zum Einschrauben in einen Zylinderkopf aufweist.
- Zündkerze nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die einzelnen Teile (3,4) des Zündkerzengehäuses aus elektrisch leitfähigem Material gefertigt und/oder die Verbindungen der einzelnen Teile (3,4) des Zündkerzengehäuses in ihrem jeweiligen Kontaktbereich (5) leitfähig ausgebildet sind.
- Zündkerze nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die einzelnen Teile (3,4) des Zündkerzengehäuses vorzugsweise jeweils mindestens eine Abdichtung (2) gegen den Isolatorkörper (1) aufweisen.
- Zündkerze nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Masseelektrodenträgeranordnung (6) am Zündkerzengehäuse angeordnet ist und mindestens eine Masseelektrode (9) aufweist.
- Zündkerze nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Masseelektrodenträgeranordnung (6), vorzugsweise vier senkrecht zueinander angeordnete, flächige, vorzugsweise nach innen weisende, Masseelektroden (9) aufweist.
- Zündkerze nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß mindestens eine Masseelektrode (9) und/oder mindestens eine Masseelektrodenträgeranordnung (6) mit mindestens einem Teil (4) des Zündkerzengehäuses verschweißt und/oder in mindestens einen Teil (4) des Zündkerzengehäuses integriert ist.
- Zündkerze nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß mindestens eine, vorzugsweise vier, senkrecht zueinander angeordnete - flächige - vorzugsweise nach außen weisende - Mittelelektroden (8) am Mittelelektrodenträger (10) angeordnet ist (sind).
- Verfahren zur Herstellung einer Zündkerze nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die einzelnen Gehäuseteile (3,4) des Zündkerzengehäuses einzeln gefertigt, über einen handelsüblichen Standardisolatorkörper (1) geschoben und/oder übereinander geschoben und verschweißt werden.
- Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß die Gehäuseteile (3, 4) mittels Laser miteinander verschweißt werden.
- Verfahren nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß der Mittelelektrodenträger (10) vorab gefertigt, bündig auf eine Basismittelelektrode (12) des Isolatorkörpers (1) bis zum Isolatorsockel (14) aufgeschoben und verschweißt wird.
- Verfahren nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, daß die Masseelektrodenträgeranordnung (6) mit mindestens einem Teil (4) des Zündkerzengehäuses verschweißt oder integriert in mindestens einen Teil (4) des Zündkerzengehäuses gefertigt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT8672001 | 2001-06-05 | ||
AT0086701A AT410150B (de) | 2001-06-05 | 2001-06-05 | Zündkerze einer brennkraftmaschine |
US10/164,045 US6992426B2 (en) | 2001-06-05 | 2002-06-05 | Spark plug of an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1265328A1 EP1265328A1 (de) | 2002-12-11 |
EP1265328B1 true EP1265328B1 (de) | 2004-03-10 |
Family
ID=32736696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02010192A Expired - Lifetime EP1265328B1 (de) | 2001-06-05 | 2002-05-15 | Zündkerze einer Brennkraftmaschine |
Country Status (8)
Country | Link |
---|---|
US (1) | US6992426B2 (de) |
EP (1) | EP1265328B1 (de) |
JP (1) | JP2003036953A (de) |
AT (2) | AT410150B (de) |
DE (1) | DE50200279D1 (de) |
DK (1) | DK1265328T3 (de) |
ES (1) | ES2215953T3 (de) |
PT (1) | PT1265328E (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006043593B3 (de) * | 2006-09-16 | 2008-04-10 | Multitorch Gmbh | Zündkerze |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT413904B (de) * | 2003-09-19 | 2006-07-15 | Ge Jenbacher Ag | Zündkerze |
AT506140B1 (de) * | 2007-11-05 | 2009-11-15 | Francesconi Christian | Zündkerze |
JP5113106B2 (ja) | 2008-03-07 | 2013-01-09 | 日本特殊陶業株式会社 | プラズマジェット点火プラグの製造方法 |
US7944135B2 (en) * | 2008-08-29 | 2011-05-17 | Federal-Mogul Ignition Company | Spark plug and methods of construction thereof |
AT510582B1 (de) * | 2011-02-21 | 2012-05-15 | Francesconi Christian | Zündkerze |
DE102011006620A1 (de) | 2011-04-01 | 2012-10-04 | Osram Ag | Verfahren zum Herstellen einer Wicklung zur Herstellung von Elektroden für Entladungslampen, Wicklung zur Herstellung von Elektroden für Entladungslampen sowie Verfahren zur Herstellung einer Elektrode für Entladungslampen |
US9028289B2 (en) | 2011-12-13 | 2015-05-12 | Federal-Mogul Ignition Company | Electron beam welded electrode for industrial spark plugs |
DE102017117452B4 (de) | 2016-08-16 | 2022-02-10 | Federal-Mogul Ignition Gmbh | Zündkerze und Verfahren zu ihrer Herstellung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE609353C (de) * | 1933-09-05 | 1935-02-13 | Geis G M B H | Zuendkerze |
GB2249345A (en) * | 1990-11-02 | 1992-05-06 | Hsu Chin Hsin | Spark plug |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB156087A (en) * | 1919-12-26 | 1921-04-07 | Champion Ignition Co | Two-piece spark plug |
GB247491A (en) * | 1925-07-02 | 1926-02-18 | Carl Johan Eligius Isaksson | Improvements in or relating to sparking plugs for internal combustion engines |
US1662878A (en) * | 1927-06-20 | 1928-03-20 | George N Barcus | Spark plug |
US2941363A (en) * | 1955-04-11 | 1960-06-21 | Bendix Aviat Corp | Dual baffled igniter for combustion chamber |
DE1919828B2 (de) * | 1969-04-18 | 1972-12-28 | Pasbrig, Max, Orselina (Schweiz) | Abreisszuendkerze |
US3825784A (en) * | 1972-09-25 | 1974-07-23 | M Lindsay | Body controlled heat range and extended gap spark plug |
CH624509A5 (de) * | 1980-05-30 | 1981-07-31 | Espada Anstalt | |
DE3217951A1 (de) * | 1982-05-13 | 1983-11-17 | Robert Bosch Gmbh, 7000 Stuttgart | Zuendkerze fuer brennkraftmaschinen |
US5430346A (en) * | 1989-10-13 | 1995-07-04 | Ultra Performance International, Inc. | Spark plug with a ground electrode concentrically disposed to a central electrode and having precious metal on firing surfaces |
US5014656A (en) * | 1990-04-25 | 1991-05-14 | General Motors Corporation | Internal combustion engine having a permanent ground electrode and replaceable center electrode element |
US5456624A (en) | 1994-03-17 | 1995-10-10 | Alliedsignal Inc. | Spark plug with fine wire rivet firing tips and method for its manufacture |
JP3196601B2 (ja) | 1995-10-11 | 2001-08-06 | 株式会社デンソー | 内燃機関用スパークプラグの製造方法 |
US5918571A (en) * | 1996-02-16 | 1999-07-06 | Allied Signal Inc. | Dual electrode high thread spark plug |
EP0834973B1 (de) | 1996-10-04 | 2001-04-18 | Denso Corporation | Zündkerze und ihr Herstellungsverfahren |
US6152095A (en) * | 1996-11-14 | 2000-11-28 | Quik-Change Int'l., L.L.C. | Quick replacement spark plug assembly |
-
2001
- 2001-06-05 AT AT0086701A patent/AT410150B/de not_active IP Right Cessation
-
2002
- 2002-05-15 AT AT02010192T patent/ATE261621T1/de not_active IP Right Cessation
- 2002-05-15 ES ES02010192T patent/ES2215953T3/es not_active Expired - Lifetime
- 2002-05-15 DK DK02010192T patent/DK1265328T3/da active
- 2002-05-15 DE DE50200279T patent/DE50200279D1/de not_active Expired - Lifetime
- 2002-05-15 EP EP02010192A patent/EP1265328B1/de not_active Expired - Lifetime
- 2002-05-15 PT PT02010192T patent/PT1265328E/pt unknown
- 2002-05-31 JP JP2002158706A patent/JP2003036953A/ja active Pending
- 2002-06-05 US US10/164,045 patent/US6992426B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE609353C (de) * | 1933-09-05 | 1935-02-13 | Geis G M B H | Zuendkerze |
GB2249345A (en) * | 1990-11-02 | 1992-05-06 | Hsu Chin Hsin | Spark plug |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006043593B3 (de) * | 2006-09-16 | 2008-04-10 | Multitorch Gmbh | Zündkerze |
Also Published As
Publication number | Publication date |
---|---|
ATA8672001A (de) | 2002-06-15 |
DE50200279D1 (de) | 2004-04-15 |
PT1265328E (pt) | 2004-07-30 |
ATE261621T1 (de) | 2004-03-15 |
ES2215953T3 (es) | 2004-10-16 |
AT410150B (de) | 2003-02-25 |
DK1265328T3 (da) | 2004-07-12 |
US6992426B2 (en) | 2006-01-31 |
EP1265328A1 (de) | 2002-12-11 |
US20040070323A1 (en) | 2004-04-15 |
JP2003036953A (ja) | 2003-02-07 |
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