EP1484826A1 - Brennkraftmaschine - Google Patents
Brennkraftmaschine Download PDFInfo
- Publication number
- EP1484826A1 EP1484826A1 EP04012982A EP04012982A EP1484826A1 EP 1484826 A1 EP1484826 A1 EP 1484826A1 EP 04012982 A EP04012982 A EP 04012982A EP 04012982 A EP04012982 A EP 04012982A EP 1484826 A1 EP1484826 A1 EP 1484826A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spark plug
- internal combustion
- combustion engine
- plug connector
- locking mechanism
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 6
- 239000011324 bead Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004513 sizing Methods 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
- H01T13/00—Sparking plugs
- H01T13/02—Details
- H01T13/04—Means providing electrical connection to sparking plugs
Definitions
- the present invention relates to an internal combustion engine, in particular a stationary Gas engine, with at least one fastened to the internal combustion engine Spark plug and a spark plug itself.
- the EP 0 530 883 proposes a spark plug by means of a tab and a Secure the screw to the engine block to prevent the spark plug connector can be unplugged from the spark plug.
- Object of the present invention is therefore to provide an internal combustion engine, at in the event of a fault pushed out of the engine or -owned spark plugs or Spark plug parts by a technically least expensive and easy to handling structure to be intercepted.
- spark plug and its Attachment to the internal combustion engine of an exerted on the spark plug Applying force, preferably in the longitudinal direction of the spark plug, from withstand at least 1000 Newton.
- the inventive strength of the spark plug and attachment to the Internal combustion engine is effectively prevented that in case of failure, individual parts or the entire spark plug can be pushed out or -geunteren from the engine. Should it come to the error, so can the spilled parts of the Be caught spark plug, as this one of a corresponding Application of force withstands. This is a danger to man and machine by spark plugs knocked out of the engine or parts thereof prevented. 1000 Newtons corresponds here approximately to the maximum force, which on one Spark plug on engines with maximum pressures of up to 100 bar acts in the combustion chamber.
- the spark plug and its Mounting to be designed accordingly stronger.
- the Spark plug and its attachment to the internal combustion engine one on the Spark plug applied force application preferably in the longitudinal direction of the Spark plug connector, of at least 3000 Newtons, preferably of at least 5000 Newton, withstand. This is especially true for engines where maximum internal pressures of 250 bar or 300 bar prevail in the combustion chamber.
- it is convenient at Engines, with correspondingly increased internal pressures in the combustion chamber provide that the Spark plug and its attachment to the internal combustion engine Force drops of at least 7,000 Newton or at least 10,000 Newton withstand.
- spark plug connector and its attachment to the internal combustion engine Since it is in the operation of internal combustion engines for heating the engine block and thus also comes the spark plug connector and its attachment to the internal combustion engine, is convenient to provide that the spark plug and its attachment to the Internal combustion engine exerted on the spark plug connector force application in Height of the above values at temperatures up to 80 ° C, preferably up to 100 ° C, withstand.
- another aspect of the present invention provides that the spark plug on the engine with a tool-free attachable and detachable and positive locking mechanism, preferably with a bayonet lock or with a screw, can be fastened.
- a tool-free attachable and detachable and positive locking mechanism preferably with a bayonet lock or with a screw
- the positive Locking mechanism is on the one hand a quick disassembly of the Spark plug connector by hand possible, on the other hand is by the positive Locking mechanism, however, also achieved the necessary strength.
- All three embodiments according to FIGS. 1 to 7 are by means of a detachable Locking mechanism positive or non-positive with the internal combustion engine connected.
- the attachment is made in the embodiments shown on the engine block. 1 or the valve hood connected to the engine block 1 via the cylinder head.
- the Locking mechanism has in the first embodiment according to FIGS. 1 and 2 a screw connection 8 and in the two other embodiments according to FIGS to 6 a bayonet lock on.
- the locking mechanism is designed so that the kinetic and pneumatic forces in the event of an error of squeezing or shooting a spark plug can be specifically reduced.
- the kinetic energy of the high pneumatic pressure from the combustion chamber accelerated components of the spark plug or the spark plug itself must in case of failure through the spark plug 2 and its attachment to the engine be recorded.
- the kinetic energy occurs here in a particularly high Peak load when loosening components of the spark plug or when loosening the Spark plug itself on.
- the degradation of this peak load is the spark plug 2 and its attachment to the engine block (the locking mechanism).
- the degradation of kinetic energy can be achieved by deformation of the shell 3 of the Spark plug 2 and / or additionally arranged on the spark plug Spring elements 16 can be ensured.
- the rest of the energy is through the form or frictional locking mechanism added.
- the deformation can be elastic respectively. With appropriate design but can also be provided that the jacket. 3 and the electrode 4 are plastically deformed in case of failure and then replaced Need to become. Here are favorably only the plastically deformed Parts of the spark plug 2 replaced and used the rest.
- the jacket 3 of the spark plug connector favorably has a Young's modulus of less than 2000 MPa, preferably less than 1000 MPa, on. However, they are even lower Elastic moduli of less than 700 MPa or less than 500 MPa conceivable.
- the coat for example, polytetrafluoroethylene, which under the Trade name Teflon is sold.
- Teflon is sold.
- Teflon polytetrafluoroethylene
- the locking mechanism is conveniently made of a material which has a has higher strength or rigidity than the shell 3, executed. Especially Preference is given to metals for producing the locking mechanism.
- the attack surface of the locking mechanism is usually much larger than the attack surface of the spark plug, so that it would be feared that the high pneumatic pressure from the combustion chamber to overload the locking mechanism could lead.
- a targeted gas outlet through one or more gas outlet openings or Wegsamkeiten 10 provided in the locking mechanism.
- the entire cross-sectional area of this Wegwege 10 is designed so that the gas in case of failure even at the highest Pressure conditions in the combustion chamber can escape so quickly that the Locking mechanism by the sum of the kinetic and acting on it pneumatic forces is not overloaded.
- the Wegsamkeit 10 is conveniently as Designed labyrinth, the Wegsamkeit splash-proof, preferably from the lid 9, is covered.
- the Wegsamkeit 10 may in the spark plug 2 and / or in the engine block. 1 and / or be arranged between spark plug 2 and engine block 1.
- the spark plug 2 has a Mantle 3 made of polytetrafluoroethylene (known under the trade name Teflon) and a Center electrode 4 and includes the combustion chamber side, the insulator and the Connection electrode of a known spark plug 5.
- a locking mechanism with a Screw 8 before.
- the screw 8 is on the one hand by a thread on spark plug connector-side part 7 of the locking mechanism and on the other hand by a Thread formed on the engine block side part 6 of the locking mechanism.
- a splash-proof cover 9 is arranged, which at the same time serves as a handle for screwing in and Ausschub of the spark plug.
- spark plug connector-side part 7 Of the spark plug connector-side part 7 is a retaining sleeve 11 with the jacket 3 of the Spark plug connector 2 connected.
- the retaining sleeve 11 engages on the one hand on the bead 11a on the spark plug connector side part 7 and on the other hand with the beads 11b in Recesses 13 of the coats 3 of the spark plug 2 a.
- Fig. 2 shows the embodiment of the invention of FIG. 1 in case of failure.
- the spark plug 5 is imposed by overpressure in the engine and caught by the spark plug connector 2.
- the degradation of the kinetic forces of Spark plug or the imposed parts thereof is essentially made by elastic and / or plastic deformation of the shell 3 of the spark plug connector 2.
- a portion of the kinetic energy is dissipated by the beads 11 b of the retaining sleeve 11 torn out of the recesses 13 in the jacket 3 of the spark plug 2 become.
- the shoulder 17 of the jacket 3 from Locking mechanism is caught.
- locking mechanism and sheath 3 in Failure to change your relative position to each other, but the pure energy through Deformation of the spark plug, preferably its jacket 3 and the electrode 4, is reduced.
- the kinetic Energy of the imposed spark plug parts essentially by deformation of the Jacket material of the spark plug 2 and optionally the center electrode. 4 reduced.
- a spring element 16 between the locking mechanism and the jacket 3 of the Be arranged spark plug This can, as shown, designed as a spiral spring be, but also have other elastic material. Im in Fig. 6 shown Error case, the spring element 16 is compressed, whereby the kinetic energy of imposed spark plug parts is reduced.
- the pneumatic overpressure can, as in the other embodiments, escape through the path 10.
- the jacket 3 is formed in two parts and the Spring element is arranged therebetween.
- spark plug 2 In large engines has the, preferably made of polytetrafluoroethylene jacket 3 of Spark plug 2 a diameter between 2 cm and 3cm, preferably between 2.3 cm and 2.7 cm, on.
- the length of the spark plug can be up to 30 cm and more.
- the present invention is not limited to the embodiments shown.
- Locking mechanisms make a suitable choice of the already known.
- the Sizing of the spark plug and the locking mechanism must then be tailored to the properties of the chosen materials so that the Spark plug is designed according to the invention.
- manually operated locking mechanisms others are also operable with wrenches or the like Fasteners conceivable, if deemed more favorable.
Landscapes
- Spark Plugs (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
- Fig. 1
- eine erste erfindungsgemäße Variante, bei der der Verriegelungsmechanismus eine Schraubverbindung aufweist,
- Fig. 2
- das erste Ausführungsbeispiel aus Fig. 1 im Fehlerfall,
- Fig. 3
- ein zweites Ausführungsbeispiel bei dem der Verriegelungsmechanismus einen Bajonettverschluss aufweist,
- Fig. 4
- das zweite Ausführungsbeispiel von Fig. 3 im Fehlerfall,
- Fig. 5
- ein drittes Ausführungsbeispiel mit einem Bajonettverschluss als Verriegelungsmechanismus und einem Federelement zur Dämpfung im Fehlerfall,
- Fig. 6
- das dritte Ausführungsbeispiel aus Fig. 5 im Fehlerfall,
- Fig. 7
- eine Draufsicht auf die drei Ausführungsbeispiele gemäß den Fig. 1 bis 6.
Claims (12)
- Brennkraftmaschine, insbesondere stationärer Gasmotor, mit mindestens einem an der Brennkraftmaschine befestigbaren Zündkerzenstecker, dadurch gekennzeichnet, dass der Zündkerzenstecker (2) und seine Befestigung an der Brennkraftmaschine einer auf den Zündkerzenstecker (2) ausgeübten Kraftbeaufschlagung, vorzugsweise in Längsrichtung des Zündkerzensteckers (2), von mindestens 1000 Newton standhalten.
- Brennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der Zündkerzenstecker (2) und seine Befestigung an der Brennkraftmaschiene einer auf den Zündkerzenstecker (2) ausgeübten Kraftbeaufschlagung, vorzugsweise in Längsrichtung des Zündkerzensteckers (2), von mindestens 3000 Newton, vorzugsweise von mindestens 5000 Newton, standhalten.
- Brennkraftmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Zündkerzenstecker (2) und seine Befestigung an der Brennkraftmaschine einer auf den Zündkerzenstecker (2) ausgeübten Kraftbeaufschlagung in Höhe der in Anspruch 1 oder 2 angegebenen Werte bei Temperaturen bis zu 80° C, vorzugsweise bis zu 100° C, standhalten.
- Brennkraftmaschine, insbesondere stationärer Gasmotor, mit mindestens einem an der Brennkraftmaschine befestigbaren Zündkerzenstecker, insbesondere nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Zündkerzenstecker (2) an der Brennkraftmaschine mit einem werkzeuglos befestigbaren und lösbaren sowie formschlüssigen Verriegelungsmechanismus, vorzugsweise mit einem Bajonettverschluss oder mit einer Verschraubung (8), befestigbar ist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 4, wobei der Zündkerzenstecker eine Ummantelung und einen Verriegelungsmechanismus aufweist, dadurch gekennzeichnet, dass der Verriegelungsmechanismus eine höhere Steifigkeit als die Ummantelung (3) aufweist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 5, wobei der Zündkerzenstecker eine Ummantelung aufweist, dadurch gekennzeichnet, dass die Ummantelung (3) ein Elastizitätsmodul kleiner 2000 MPa, vorzugsweise kleiner 1000 MPa, aufweist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 5, wobei der Zündkerzenstecker eine Ummantelung aufweist, dadurch gekennzeichnet, dass die Ummantelung (3) ein Elastizitätsmodul kleiner 700 MPa, vorzugsweise kleiner 500 MPa, aufweist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 7, wobei der Zündkerzenstecker eine Ummantelung aufweist, dadurch gekennzeichnet, dass an der Ummantelung (3) ein Federelement (16) angeordnet ist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 8, wobei der Zündkerzenstecker eine Ummantelung aufweist, dadurch gekennzeichnet, dass die Ummantelung (3) Polytetrafluorethylene aufweist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass im Zündkerzenstecker (2) und/oder in der Brennkraftmaschine und/oder zwischen Zündkerzenstecker (2) und Brennkraftmaschine mindestens eine, vorzugsweise labyrinthartige, Wegsamkeit (10) für entweichendes Gas angeordnet ist.
- Brennkraftmaschine nach Anspruch 10, dadurch gekennzeichnet, dass die Wegsamkeit (10) spritzwasserfest abgedeckt ist.
- Zündkerzenstecker nach einem der Ansprüche 1 bis 11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT04012982T ATE357762T1 (de) | 2003-06-04 | 2004-06-02 | Brennkraftmaschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT8642003 | 2003-06-04 | ||
AT8642003 | 2003-06-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1484826A1 true EP1484826A1 (de) | 2004-12-08 |
EP1484826B1 EP1484826B1 (de) | 2007-03-21 |
Family
ID=33136524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04012982A Expired - Lifetime EP1484826B1 (de) | 2003-06-04 | 2004-06-02 | Brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US7146957B2 (de) |
EP (1) | EP1484826B1 (de) |
AT (1) | ATE357762T1 (de) |
DE (1) | DE502004003255D1 (de) |
ES (1) | ES2283904T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004030790A1 (de) * | 2004-06-25 | 2006-01-19 | Deutz Ag | Zündkerze mit Zündkabel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012256489A (ja) * | 2011-06-08 | 2012-12-27 | Ngk Insulators Ltd | 点火部品 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE760104C (de) * | 1940-11-21 | 1952-10-20 | Carl F W Borgward | Zylinderkopf fuer Brennkraftmaschinen |
DE3920080A1 (de) * | 1989-06-20 | 1991-01-10 | Audi Ag | Zuendvorrichtung fuer eine brennkraftmaschine |
EP0530883A2 (de) * | 1991-09-03 | 1993-03-10 | General Motors Corporation | Zündkerzenstecker und sein Anschlusszusammenbau |
DE4340616A1 (de) * | 1993-11-29 | 1995-06-01 | Bmw Rolls Royce Gmbh | Befestigungsanordnung einer Zündkerze einer Gasturbine |
JP2002054543A (ja) * | 2000-08-10 | 2002-02-20 | Ngk Spark Plug Co Ltd | コイル一体型点火プラグの取付構造およびコイル一体型点火プラグ |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
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US3697796A (en) | 1970-07-27 | 1972-10-10 | Russell G Livingston | Spark plug shielding |
CA1105582A (en) * | 1978-02-03 | 1981-07-21 | Yukitsugu Fukumori | Device for electrically connecting spark plug to high- voltage cable |
US4715337A (en) | 1985-01-31 | 1987-12-29 | Caterpillar Inc. | Engine ignition system with an insulated and extendable extender |
GB2241739B (en) | 1990-03-09 | 1994-11-23 | Cooper Ind Inc | Igniter and cable connector assembly |
US5377640A (en) * | 1992-07-23 | 1995-01-03 | Sumitomo Wiring Systems, Ltd. | Plug cap device |
US5385686A (en) * | 1993-06-14 | 1995-01-31 | General Motors Corporation | Spark plug boot with improved lubricant |
JP2602711Y2 (ja) * | 1993-10-13 | 2000-01-24 | 矢崎総業株式会社 | 点火プラグ取り付け孔のレインカバー |
JPH0729792U (ja) * | 1993-11-01 | 1995-06-02 | 住友電装株式会社 | プラグキャップの空気抜き構造 |
JP2914195B2 (ja) * | 1994-10-14 | 1999-06-28 | 住友電装株式会社 | 内燃機関のプラグキャップ |
JPH08124651A (ja) * | 1994-10-24 | 1996-05-17 | Sumitomo Wiring Syst Ltd | 点火ケーブル用プラグキャップ |
JP3556725B2 (ja) * | 1995-03-20 | 2004-08-25 | 三菱電機株式会社 | 内燃機関の点火装置 |
US5577921A (en) | 1995-06-16 | 1996-11-26 | Caterpillar Inc. | Electrical connector system for electrically connecting a voltage source to a spark plug terminal |
JPH09106878A (ja) | 1995-10-12 | 1997-04-22 | Sumitomo Wiring Syst Ltd | プラグキャップの空気抜き構造 |
JP3489925B2 (ja) * | 1995-10-13 | 2004-01-26 | 三菱電機株式会社 | 内燃機関の点火装置 |
JPH09129355A (ja) | 1995-11-01 | 1997-05-16 | Yazaki Corp | 点火プラグ用プラグキャップ |
DE19611283C1 (de) * | 1996-03-22 | 1997-10-23 | Florian Virchow | Zündkerzenstecker für einen Verbrennungsmotor |
JP3417756B2 (ja) * | 1996-03-22 | 2003-06-16 | 矢崎総業株式会社 | プラグキャップ用レインカバー |
JP3361704B2 (ja) * | 1996-10-25 | 2003-01-07 | 矢崎総業株式会社 | 点火プラグ用プラグキャップ |
JPH1154238A (ja) | 1997-08-04 | 1999-02-26 | Yazaki Corp | 点火プラグ用プラグキャップ |
US5799633A (en) * | 1997-08-08 | 1998-09-01 | Lexington Insulators | Electrical insulator with a duckbill-shaped valve |
US6635605B1 (en) * | 1998-06-12 | 2003-10-21 | Dow Corning Corporation | Dielectric lubricant and spark plug boot including the same |
JP2000323258A (ja) | 1999-05-10 | 2000-11-24 | Yazaki Corp | 点火プラグ用プラグキャップ |
US6193528B1 (en) * | 2000-05-01 | 2001-02-27 | Delphi Technologies, Inc. | Cam lock spark plug wire connection |
JP4287034B2 (ja) * | 2000-08-31 | 2009-07-01 | 矢崎総業株式会社 | プラグキャップの換気構造 |
US6467447B1 (en) * | 2001-07-17 | 2002-10-22 | Delphi Technologies, Inc. | Spark plug boot keeper assembly |
US6427674B1 (en) * | 2001-09-24 | 2002-08-06 | Daimlerchrysler Corporation | Socket coil-on-plug retainer |
US20050066776A1 (en) * | 2003-09-30 | 2005-03-31 | Ward Gregory E. | Damaged spark/glow plug removal tool |
US6926266B1 (en) * | 2004-02-13 | 2005-08-09 | Delphi Technologies, Inc. | Shock absorbing assembly for a pencil ignition coil |
US7185622B2 (en) * | 2004-03-12 | 2007-03-06 | Doll Martin J | Method and apparatus for interconnecting a coil and a spark plug |
-
2004
- 2004-06-02 EP EP04012982A patent/EP1484826B1/de not_active Expired - Lifetime
- 2004-06-02 ES ES04012982T patent/ES2283904T3/es not_active Expired - Lifetime
- 2004-06-02 AT AT04012982T patent/ATE357762T1/de active
- 2004-06-02 DE DE502004003255T patent/DE502004003255D1/de not_active Expired - Lifetime
- 2004-06-04 US US10/861,024 patent/US7146957B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE760104C (de) * | 1940-11-21 | 1952-10-20 | Carl F W Borgward | Zylinderkopf fuer Brennkraftmaschinen |
DE3920080A1 (de) * | 1989-06-20 | 1991-01-10 | Audi Ag | Zuendvorrichtung fuer eine brennkraftmaschine |
EP0530883A2 (de) * | 1991-09-03 | 1993-03-10 | General Motors Corporation | Zündkerzenstecker und sein Anschlusszusammenbau |
DE4340616A1 (de) * | 1993-11-29 | 1995-06-01 | Bmw Rolls Royce Gmbh | Befestigungsanordnung einer Zündkerze einer Gasturbine |
JP2002054543A (ja) * | 2000-08-10 | 2002-02-20 | Ngk Spark Plug Co Ltd | コイル一体型点火プラグの取付構造およびコイル一体型点火プラグ |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 06 4 June 2002 (2002-06-04) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004030790A1 (de) * | 2004-06-25 | 2006-01-19 | Deutz Ag | Zündkerze mit Zündkabel |
DE102004030790B4 (de) * | 2004-06-25 | 2009-07-02 | Deutz Power Systems Gmbh | Zündkerze mit Zündkabel |
Also Published As
Publication number | Publication date |
---|---|
US20040244753A1 (en) | 2004-12-09 |
ES2283904T3 (es) | 2007-11-01 |
DE502004003255D1 (de) | 2007-05-03 |
ATE357762T1 (de) | 2007-04-15 |
US7146957B2 (en) | 2006-12-12 |
EP1484826B1 (de) | 2007-03-21 |
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Legal Events
Date | Code | Title | Description |
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