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  2. Spark plug - Wikipedia

    en.wikipedia.org/wiki/Spark_plug

    Spark plug with single side electrode An electric spark on the spark plug. A spark plug (sometimes, in British English, a sparking plug, [1] and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within ...

  3. Niterra - Wikipedia

    en.wikipedia.org/wiki/Niterra

    Niterra Co., Ltd. (⽇本特殊陶業株式社, Nippon Tokushu Tōgyō kabushiki gaisha) is a public company established in 1936 and based in Nagoya, Japan.Formerly known as NGK Spark Plug Co. Ltd., the company’s automotive business (with its brands NGK Ignition Parts and NTK Vehicle Electronics) revolves around the manufacturing and the sale of spark plugs and related products for internal ...

  4. Iridium - Wikipedia

    en.wikipedia.org/wiki/Iridium

    Iridium is a chemical element; it has symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, it is considered the second-densest naturally occurring metal (after osmium) with a density of 22.56 g/cm 3 (0.815 lb/cu in) [8] as defined by experimental X-ray crystallography. [a] 191 Ir and 193 Ir ...

  5. Champion (spark plug) - Wikipedia

    en.wikipedia.org/wiki/Champion_(spark_plug)

    Champion spark plugs ad in 1947. Albert Champion Company was founded by Albert Champion in June 1905 in Boston 's South End, in the landmark Cyclorama Building, to import French electrical parts, including Nieuport components. Champion presided as president of the Albert Champion Company with partners Frank D. Stranahan as treasurer and younger ...

  6. Wasted spark system - Wikipedia

    en.wikipedia.org/wiki/Wasted_spark_system

    A wasted spark system is a type of ignition system used in some four-stroke cycle internal combustion engines. In a wasted spark system, the spark plugs fire in pairs, with one plug in a cylinder on its compression stroke and the other plug in a cylinder on its exhaust stroke. The extra spark during the exhaust stroke has no effect and is thus ...

  7. Spark gap - Wikipedia

    en.wikipedia.org/wiki/Spark_gap

    A spark plug.The spark gap is at the bottom. A spark plug uses a spark gap to initiate combustion.The heat of the ionization trail, but more importantly, UV radiation and hot free electrons (both cause the formation of reactive free radicals) [citation needed] ignite a fuel-air mixture inside an internal combustion engine, or a burner in a furnace, oven, or stove.