H - Electricity – 01 – T
Patent
H - Electricity
01
T
H01T 13/20 (2006.01)
Patent
CA 2575752
A sparkplug having ground and center electrodes that include a firing tip formed from a noble metal or noble metal alloy by reflowing of a noble metal preform. The present invention also includes a method of manufacturing a metal electrode having an ignition tip for an ignition device, including forming a metal electrode having a firing tip portion; applying a noble metal preform to the firing tip portion; and reflowing the noble metal preform to form a noble metal firing tip.
La présente invention concerne une bougie d'allumage comportant des électrodes de masse et centrale dont la pointe vive est réalisée en métal noble ou en alliage de métal noble par refusion d'une avant-forme en métal noble. L'invention concerne également un procédé de fabrication d'une électrode métallique comportant une pointe vive pour bougie d'allumage, par formation d'une électrode métallique comportant une pointe vive, par application d'une avant-forme de métal noble sur la pointe vive, et refusion de l'avant-forme en métal noble pour former une pointe vive en métal noble.
Havard Karina C.
Lineton Warran Boyd
Lykowski James D.
Federal-Mogul Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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