EP1961090A1 - Zündkerze - Google Patents
ZündkerzeInfo
- Publication number
- EP1961090A1 EP1961090A1 EP06818894A EP06818894A EP1961090A1 EP 1961090 A1 EP1961090 A1 EP 1961090A1 EP 06818894 A EP06818894 A EP 06818894A EP 06818894 A EP06818894 A EP 06818894A EP 1961090 A1 EP1961090 A1 EP 1961090A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spark plug
- supply line
- plug according
- cable
- stranded
- 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
- 239000007789 gas Substances 0.000 claims abstract description 22
- 239000000567 combustion gas Substances 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000013022 venting Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 description 10
- 239000004033 plastic Substances 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 229920001296 polysiloxane Polymers 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000499 gel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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 invention relates to a spark plug for igniting a combustible gas mixture in an internal combustion engine, comprising an ignition electrode which is connected to an electrical supply line, a tubular housing in which the electrical supply line extends, and a vent channel for discharging combustion gases from the tubular housing.
- the object of the invention is to increase the service life and reliability of a spark plug.
- the venting channel can in principle also run outside the connecting line, for example in a groove in a cable sheath.
- the venting channel extending along the connecting line extends within the connecting line.
- Particularly favorable and therefore preferred it is to run the supply line as a flexible cable whose cable sheath surrounds the venting channel;
- the cable contains a stranded wire, wherein the venting channel is formed by gaps, which are located between the stranded wires of the strand.
- peak pressures of the order of 150 bar can occur. These peak pressures load on a spark plug during operation and, even with dimensionally accurate production and careful sealing, can result in combustion gases from the engine being leaked as leakage gases, for example at sealing points between an insulating body and an electrode connection (center electrode) guided through it enter a space surrounded by the tubular housing interior of the spark plug.
- leakage gases can increase the risk of shunts and thus impair spark plugs.
- Leakage gases can, for example, cause pressure to build up in the interior of the pipe housing, which can lead to an accumulation of insulation layers and thus premature failure of the spark plug.
- a venting channel according to the invention leakage gases can be led out of the pipe housing. Harmful effects of the leakage gases can be avoided in this way and consequently the service life of a spark plug can be increased.
- the ventilation channel runs in the supply line itself, which is preferably designed as a flexible cable, so that during assembly alignment errors and tolerances can be compensated.
- combustion gases can not only reach the interior of the spark plug as leakage gases. If, for example, a poorly adjusted gas mixture results in an excessively high peak pressure, these parts of the spark plug, in particular the insulating body, can slide into the tubular housing. If the peak pressure is high enough, candle parts in the tube housing can be accelerated with great force, much like a bullet in a gun barrel, so that persons may be injured or equipment parts damaged. This risk of accidents can be eliminated by venting channels, which are arranged as openings in a lateral surface of the tubular housing, for example as lateral bores, and in such a case allow the discharge of combustion gases.
- FIG. 1 shows an embodiment of a spark plug according to the invention in a side view.
- 2 shows the embodiment shown in Figure 1 in a partially sectioned view.
- FIG. 3 shows the embodiment shown in Figure 1 in a longitudinal section.
- 4 shows a cross-sectional view of the electrical supply line with integrated venting channel of the embodiment shown in FIG. 1;
- 5 shows a further embodiment of a spark plug according to the invention in a longitudinal section;
- FIG. 6 shows a coil connector at the free end of the supply line of the embodiment shown in Figure 5; 7 shows a further embodiment of a spark plug according to the invention in a longitudinal section; and
- Fig. 8 shows a further embodiment of a spark plug according to the invention in a longitudinal section.
- the spark plug 1 shown in Figure 1 has a firing head 2 with an external thread 3 for screwing into an internal combustion engine and a tubular housing 4, which carries the firing head 2. At its end remote from the ignition head, the tubular housing 4 carries a hexagon 5, over which a torque can be exerted for screwing in the spark plug 1. Due to the length of the tubular housing 4, the hexagon 5 is more easily accessible to simplify the installation and removal of the spark plug 1.
- spark plug 1 As particularly shown in the longitudinal sections shown in Figures 2 and 3, it is in the spark plug 1 is a Vorschzündkerze, since the ignition electrode 6 is arranged in an antechamber 7 through openings 8 to the combustion chamber of an internal combustion engine (not shown) in connection stands.
- Prechamber spark plugs are known, for example, from EP 0 675 272 A1, to which reference is made for further details and special features of prechamber spark plugs.
- the ignition electrode 6 is supported by a ceramic insulation body 10, through which a connection channel extends, via which the ignition electrode 6 is connected to an electrical supply line 11.
- Connection channel is a connection line, which is also referred to as the center electrode and the supply line 11 connects with the ignition electrode 6.
- the construction of the connecting line is shown in detail in FIG.
- a first part of the connection line is formed by an ignition electrode carrier 16, which projects into the connection channel and carries the ignition electrode 6.
- a subsequent part of the connecting line is formed by a glass body 13, in which, for example, copper and carbon particles are incorporated, so that there is a defined series resistance.
- a connecting piece 14 is embedded as a further part of the connecting line, which is toothed with the glass body 13 in a form-locking manner by a roughened surface 15.
- the connecting piece 14 projects out of the insulating body 10 and is conductively connected to the cable 11 forming the supply line by a plug or screw connection.
- the supply line 11 is a high voltage cable, which protrudes with its free end from the tubular housing 4 and there carries a terminal contact 12 for insertion into the connection shaft of an ignition coil.
- the flexibility of the cable 11 can compensate for shocks, misalignments and thermal expansions that can occur between the fixed-mounted spark plug 1 and a fixed ignition coil.
- Figure 4 shows a schematic cross section through the supply line 11 forming cable.
- the cable 11 has a jacket 27 which surrounds a strand 28 of stranded wires 17, 18.
- the vent channel 19 is formed by gaps 20 between stranded wires 17, 18 of the strand 28.
- a first group of stranded wires 18 is stranded with a first direction of rotation and a second group of stranded wires 17 with a second, opposite direction of rotation to the strand 28. In this way, without affecting the transverse pressure stability of the strand 28, the widths of the strands 20 can be increased.
- the vent channel 19 is located between a heddle core, which is formed by stranded wires 18, which are stranded in a first direction of rotation, and surrounding stranded wires 17, which are stranded in a second direction of rotation, which is opposite to the first direction of rotation. It is advantageous if the stranded wires 17, 18 are stranded in such a way to the strand 28, that the number of rotations per unit length is the smaller, the more outward the respective stranded wire 17, 18 in the strand 28 is located. In this way it can be achieved that the individual stranded wires 17, 18 are substantially equal in length.
- An advantage of such a stranding of the stranded wires 17, 18 is that adjacent stranded wires only on short sections, ideally only pointwise touch and line contacts are avoided, which could complicate gas passage.
- the strand 28 is composed of several layers of stranded wires 17, 18, the individual layers being stranded in counterblow. It is favorable, for example, to use three layers, the first innermost layer being stranded in a first direction of rotation, the second layer lying above it in an opposite direction of rotation, and the third outermost layer stranded in the direction of rotation of the first layer. Strands 28 with two to five layers, in particular two to three layers, are particularly favorable.
- the stranded wires of the first group have a diameter which is 25% to 60%, preferably 30% to 50% larger than the diameter of the stranded wires of the second group.
- the center of the strands 28 is preferably formed from the thicker wires of the first group, but may also be formed from the thinner wires of the second group.
- a group of stranded wires also forms a layer of the strand at the same time, but this is not necessarily the case.
- these possibilities for increasing the ventilation channel 19 forming spaces 20 were used by the fact that three stranded wires 18 as a first group with are stranded in a first direction of rotation to a strand core, while the remaining wires 17, which preferably have a 30% smaller diameter, are stranded around the strand core thus formed.
- the stranded wires 18 of the second layer form a second group, which are stranded around the strand core with a second direction of rotation, which is opposite to the first direction of rotation.
- a third, outermost layer of stranded wires is stranded in the first direction of rotation. In this way it is achieved that the venting channel 19 is formed by enlarged intermediate spaces 20 between the heddle core and surrounding stranded wires 17.
- the supply line 11 is arranged in a plastic tube 21, which is preferably made of Teflon, into which the insulating body 10 protrudes. Through the plastic tube 21, the supply line 11 is supported and centered.
- the plastic tube 21 projects out of the tubular housing 4 and contains a suitable cable seal in order to prevent dirt or moisture from penetrating into the interior of the tubular housing 4. Gaps within the plastic tube 21, in particular in the region of the protruding from the insulating body 10 connecting piece 14 are filled with a Hochnapssisoliermasse 22, preferably based on silicone.
- the strand 28 of the connecting line 11 is connected by means of a metallic connecting sleeve 23 to the protruding from the insulating body 10 connecting piece 14.
- the connecting sleeve 23 has on an inner surface a groove (not shown) to escape from the insulating body 10, more precisely from the connecting channel extending therein, leaking leakage gases to the venting channel 19 lead, which runs in the described embodiment in the strand 28 of the supply line 11.
- connection sleeve is screwed to the connection piece 14, which has an external thread for this purpose, which fits to an internal thread of the connection sleeve 23.
- connection sleeve for a plug connection with a suitably shaped connector 14.
- the connecting sleeve 23 is further screwed in the illustrated embodiment with a threaded piece of a clamping element 26, with which the strand of the supply line 11 is clamped.
- the connection sleeve 23 may alternatively be used for a plug connection with a pin of a clamping element 26. It is also possible, moreover, to form the connecting sleeve 23 in one piece with the clamping element 26.
- the diameter of the strand 28 contained in the cable 11 is less than 10%, preferably less than 15%, of the diameter of the connection piece 14 of the ignition electrode protruding from the insulation body 10 6 deviates.
- the insulating body 10 is secured with a holder 36 (see FIGS. 3, 7 and 8), which is welded to the tubular housing 4.
- the ignition head 2 is welded to the tubular housing 4.
- the risk that the insulating body 10 is pressed by unexpectedly high peak pressures in the Rohrge- housing 4, is met by the welded to the tubular housing 4 bracket 36 which engages around a torus of the insulating body 10 around.
- a retaining ring 25 whose inner diameter is smaller than the largest diameter of the insulating body 10, is arranged in the tubular housing 4.
- the outer diameter of the retaining ring 25 is greater than a passage opening of an end piece 5, with which the metallic tubular housing 4 connected at its end facing away from the ignition head 2, preferably welded, is.
- the end piece 5 also carries the hexagon 5 for screwing the external thread 3 in a corresponding opening of the internal combustion engine.
- FIG. 5 shows a further exemplary embodiment of a spark plug 1, which essentially differs from the exemplary embodiment described with reference to FIGS. 1 to 3 in that a plastic pipe for supporting the supply line 11 has been dispensed with.
- the interior of the housing shell is Res 4 with a suitable insulating material 30, preferably based on silicone filled. Particularly preferred are silicone gels. Suitable silicone gels are in particular commercially available as castable two component mixtures.
- a closure ring 35 ensures that the vent channels 24 remain free in the lateral surface of the housing tube 4 and their function is not affected by the insulating 30.
- the supply line 11 is centered by a cable feedthrough 31, preferably made of Teflon, and a water protection hood 32, which also protect against damage caused by wall friction.
- the cable end can be equipped according to Figure 6 with a coil connector 33 which can be plugged directly into an ignition coil.
- the cable 11 has at its free end a gas outlet 34 into which the venting channel 19 contained in the cable 11 opens.
- a gas outlet 34 can be arranged in the coil plug 33 shown in FIG. 6 as well as in the clamping contact 12.
- FIG. 7 shows in a longitudinal section a further exemplary embodiment of a spark plug, in which, just as in the exemplary embodiment shown in FIG. 5, the interior of the tubular housing 4 is filled up with silicone gel 30.
- the exemplary embodiment illustrated in FIG. 7 differs from the exemplary embodiment illustrated in FIG. 2 essentially by the connection of the connecting line (center electrode 40) of the ignition electrode 6 through the insulating body 10 to the strand 28 of the supply cable 11 and the cable bushing 31 , with the pipe housing 4 at its facing away from the firing head 2 end is closed.
- the center electrode 40 protrudes with a portion of the insulating body 11, which is electrically connected to the strand 28 of the supply line 11 in contact.
- the protruding from the insulating body 10 section of the center electrode 40 has for this purpose a blind hole into which the strand 28 is inserted.
- the strand 28 may be crimped or soldered in the blind hole.
- the blind hole extends in the longitudinal direction of the center electrode 40 and is preferably designed as a central bore.
- the junction of the supply line 11 to the center electrode 40 is surrounded by a protective cover 45 which is formed in the embodiment as a sleeve.
- This protective sleeve 45 encloses the insulating body 10 at one end and the supply line 11 at its other end, in particular the jacket of the cable forming the supply line 11.
- the sleeve 45 is connected to the insulation body 10 and the supply line 11 in a manner loadable by tensile forces. Such tensile forces can occur on the one hand during assembly and on the other hand caused by thermal expansion in a heating of the spark plug during operation.
- a connection loadable by tensile forces is possible by means of a non-positive connection of the sleeve 45 to the insulating body 10 and the cable 11, for example by the protective sleeve 45 made of metal after positioning around the insulation body 10 and the cable 11 is pressed around.
- a positive connection can also be produced. It is also possible a cohesive connection, for example by gluing.
- the protective cover can for example also be formed by a shrink tube.
- a suitable dimensioning of the shrink tubing it can be achieved that it encloses the insulation body 10 and the jacket of the cable 11 in a gastight manner and in a manner that can be loaded by tensile forces.
- the protective sleeve 45 surrounds the insulating body 10 and the supply line 11 gas-tight.
- the protective sleeve 45 presses an O-ring 41 sealingly against the insulating body 10.
- the O-ring 41 is located in a groove of the sleeve 45.
- the remote from the firing head 2 end of the tubular housing 4 is closed with a cable bushing, which fixes the cable 11 in a surrounded by the cable bushing portion relative to the tubular housing 4. In this way, a strain relief is provided, which prevents that by force on the cable 11, the electrical contact between the wire 28 of the cable 11 and the center electrode 40 is impaired.
- the cable feedthrough is formed by a threaded sleeve 42 and a clamping sleeve 43, which is pressed by the threaded sleeve 42, so that the guided through cable 11 is fixed non-positively.
- the threaded sleeve 42 is made of metal and carries an external thread 44, which with a thereto matching internal thread of the tubular housing 4 or connected to the tubular housing 4 hexagon 5 is screwed.
- the threaded sleeve 42 engages the made of plastic clamping sleeve 43 with one end.
- the inside diameter of the screw sleeve 43 decreases starting from the end facing the clamping sleeve 43.
- the threaded sleeve 42 With the screwing of the threaded sleeve 42 into the internal thread of the hexagon 5, therefore, the threaded sleeve 42 is pushed over the clamping sleeve 43 so that it is increasingly compressed due to the decreasing inside diameter. In order to prevent the clamping sleeve 43 is thereby pushed into the interior of the tubular housing 4, the clamping sleeve 43 has a shoulder, with which it is supported.
- FIG. 8 shows a further exemplary embodiment, which differs from the exemplary embodiment shown in FIG. 7 in that the cable end is equipped, as in the exemplary embodiment shown in FIG. 5, with a coil connector 33 shown in FIG.
- the threaded sleeve 42 of the cable feedthrough is protected by a water protection hood 32.
Landscapes
- Spark Plugs (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005060166A DE102005060166B4 (de) | 2005-12-14 | 2005-12-14 | Zündkerze |
PCT/EP2006/011437 WO2007068349A1 (de) | 2005-12-14 | 2006-11-29 | Zündkerze |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1961090A1 true EP1961090A1 (de) | 2008-08-27 |
EP1961090B1 EP1961090B1 (de) | 2010-03-10 |
Family
ID=37671370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06818894A Not-in-force EP1961090B1 (de) | 2005-12-14 | 2006-11-29 | Zündkerze |
Country Status (8)
Country | Link |
---|---|
US (1) | US7849830B2 (de) |
EP (1) | EP1961090B1 (de) |
AT (1) | ATE460760T1 (de) |
DE (2) | DE102005060166B4 (de) |
DK (1) | DK1961090T3 (de) |
ES (1) | ES2342560T3 (de) |
PT (1) | PT1961090E (de) |
WO (1) | WO2007068349A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016206993A1 (de) | 2016-04-25 | 2017-10-26 | Dkt Verwaltungs-Gmbh | Zündkerze |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012111172B4 (de) * | 2012-11-20 | 2016-01-28 | Borgwarner Ludwigsburg Gmbh | Korona-Zündeinrichtung |
DE102013110246B4 (de) * | 2013-09-17 | 2017-03-09 | Borgwarner Ludwigsburg Gmbh | Korona-Zündeinrichtung |
US20160215682A1 (en) | 2015-01-22 | 2016-07-28 | Caterpillar Inc. | Ignition system utilizing controllably vented pre-chamber |
DE102015117113B4 (de) | 2015-10-07 | 2017-06-01 | Federal-Mogul Ignition Gmbh | Vorkammerzündkerze für eine mit Gas betriebene Brennkraftmaschine |
US10622788B1 (en) * | 2018-12-13 | 2020-04-14 | Tenneco lnc. | Corona ignition assembly including a high voltage connection and method of manufacturing the corona ignition assembly |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE246488C (de) * | ||||
US2198250A (en) | 1936-09-24 | 1940-04-23 | Bendix Aviat Corp | Ignition apparatus |
US2686510A (en) * | 1951-12-20 | 1954-08-17 | Chrysler Corp | Spark plug and ignition lead wire protective system |
US2686511A (en) * | 1951-12-20 | 1954-08-17 | Chrysler Corp | Spark plug and ignition lead wire protective system |
US4221452A (en) | 1979-08-06 | 1980-09-09 | Remington Richard C | Electrical connector |
JPS575280A (en) | 1980-06-13 | 1982-01-12 | Kotoo Kasai | Ignition plug |
JPS5923635B2 (ja) | 1980-05-21 | 1984-06-04 | 琴雄 笠井 | 点火プラグ |
DE3029557A1 (de) * | 1980-05-21 | 1981-11-26 | Kotoo Tokyo Kasai | Zuendkerze |
US4824385A (en) | 1987-11-13 | 1989-04-25 | Prestolite Wire Corporation | Rigid sheath for a spark plug cable and its associated boot |
DE59500457D1 (de) | 1994-03-29 | 1997-09-11 | Dieter Dr Ing Kuhnert | Vorkammerzündeinrichtung |
DE19500216A1 (de) * | 1995-01-05 | 1996-07-11 | Stihl Maschf Andreas | Dekompressionsventil |
US5799633A (en) * | 1997-08-08 | 1998-09-01 | Lexington Insulators | Electrical insulator with a duckbill-shaped valve |
DE19950932B4 (de) * | 1999-10-21 | 2004-04-08 | Robert Bosch Gmbh | Zündkerze für eine Brennkraftmaschine |
JP4006633B2 (ja) * | 2002-09-06 | 2007-11-14 | 株式会社デンソー | 内燃機関用点火装置 |
-
2005
- 2005-12-14 DE DE102005060166A patent/DE102005060166B4/de not_active Expired - Fee Related
-
2006
- 2006-11-29 PT PT06818894T patent/PT1961090E/pt unknown
- 2006-11-29 EP EP06818894A patent/EP1961090B1/de not_active Not-in-force
- 2006-11-29 ES ES06818894T patent/ES2342560T3/es active Active
- 2006-11-29 US US12/085,037 patent/US7849830B2/en not_active Expired - Fee Related
- 2006-11-29 AT AT06818894T patent/ATE460760T1/de active
- 2006-11-29 DE DE502006006417T patent/DE502006006417D1/de active Active
- 2006-11-29 DK DK06818894.5T patent/DK1961090T3/da active
- 2006-11-29 WO PCT/EP2006/011437 patent/WO2007068349A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2007068349A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016206993A1 (de) | 2016-04-25 | 2017-10-26 | Dkt Verwaltungs-Gmbh | Zündkerze |
WO2017186239A1 (de) | 2016-04-25 | 2017-11-02 | Dkt Verwaltungs-Gmbh | Zündkerze |
Also Published As
Publication number | Publication date |
---|---|
WO2007068349A1 (de) | 2007-06-21 |
ATE460760T1 (de) | 2010-03-15 |
DK1961090T3 (da) | 2010-06-14 |
DE102005060166A1 (de) | 2007-06-28 |
PT1961090E (pt) | 2010-05-21 |
US7849830B2 (en) | 2010-12-14 |
DE102005060166B4 (de) | 2010-08-05 |
ES2342560T3 (es) | 2010-07-08 |
EP1961090B1 (de) | 2010-03-10 |
US20090255500A1 (en) | 2009-10-15 |
DE502006006417D1 (de) | 2010-04-22 |
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