SPARK-PLUG ELECTRODE AND ITS MANUFACTURING PROCESS

FIELD: spark plug manufacture and connection of its electrode to noble metals. ^ SUBSTANCE: novelty is that spark-plug electrode is connected to noble metal by local heating of both of them at point of their connection by means of continuous-wave laser beam; noble metal melts partially and only at p...

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Bibliographische Detailangaben
Hauptverfasser:	BENTS ANDREAS, JUSHTEL' TOMAS, KLASSEN MARTIN, FISHER JOKHEN, UL'M KHAJNTS, FUNK KONRAD
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBUSTION ENGINES CORONA DEVICES CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OVERVOLTAGE ARRESTERS USING SPARK GAPS PERFORMING OPERATIONS SOLDERING OR UNSOLDERING SPARK GAPS SPARKING PLUGS TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	FIELD: spark plug manufacture and connection of its electrode to noble metals. ^ SUBSTANCE: novelty is that spark-plug electrode is connected to noble metal by local heating of both of them at point of their connection by means of continuous-wave laser beam; noble metal melts partially and only at point of connection. Continuous-wave laser used for the purpose may be yttrium-aluminum garnet laser doped with neodymium (Nd:YAG-laser), carbon dioxide laser (CO2 laser), or diode laser. Noble metal may be applied to both central electrode and side one. ^ EFFECT: enhanced service life of spark-plug electrode. ^ 14 cl, 3 dwg