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    • 3. 发明授权
    • Spark plug copper core alloy
    • 火花塞铜芯合金
    • US06677698B2
    • 2004-01-13
    • US09738560
    • 2000-12-15
    • William J. LabargeConrad H. AndersonJohn GiacchinaDavid A. SmithDavid J. Draeger
    • William J. LabargeConrad H. AndersonJohn GiacchinaDavid A. SmithDavid J. Draeger
    • H01T1339
    • H01T13/39
    • A spark plug electrode is disclosed. The electrode comprises, based upon the total weight of the electrode, about 83 wt. % to about 96.8 wt. % copper, about 3.0 wt. % to about 9.0 wt. % chromium, and about 0.2 wt. % to about 8.0 wt. % niobium. A spark plug is also disclosed. The spark plug comprises a shell disposed in contact with an insulator body. A center electrode is disposed at a lower end of the insulator body. A side electrode is also disposed at a lower end of the shell. This side electrode is coaxially aligned with the center electrode. At least one of the center electrode and the side electrode comprises a core composition of about 83 wt. % to about 96.8 wt. % copper, about 3.0 wt. % to about 9.0 wt. % chromium and about 0.2% to about 8.0% niobium, based upon the total weight of the composition. A resistor section is also disposed in electrical communication with the center electrode.
    • 公开了火花塞电极。 基于电极的总重量,电极包含约83wt。 %至约96.8wt。 %铜,约3.0重量% %至约9.0重量% %铬,和约0.2wt。 %至约8.0wt。 %铌。 还公开了火花塞。 火花塞包括与绝缘体接触地设置的外壳。 中心电极设置在绝缘体的下端。 侧电极也设置在壳体的下端。 该侧电极与中心电极同轴对准。 中心电极和侧电极中的至少一个包括约83重量%的芯组合物。 %至约96.8wt。 %铜,约3.0重量% %至约9.0重量% %铬和约0.2%至约8.0%的铌,基于组合物的总重量。 电阻器部分也设置成与中心电极电连通。