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DENSO Corporation (株式会社デンソー, Kabushiki-Gaisha Densō) is a global automotive components manufacturer headquartered in the city of Kariya, Aichi Prefecture, Japan. [4] After becoming independent from Toyota Motor, the company was founded as Nippon Denso Co. Ltd. (日本電装株式会社, Nippon Densō Kabushiki-Gaisha) in 1949.
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 ...
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.
Head office. NGK Insulators, Ltd. (日本碍子株式会社, Nihon gaishi kabushikigaisha) is a Japanese ceramics company. It primarily produces insulators but also produces other products, especially ceramic products.
Champion went to work producing spark plugs to be used in Buick automobiles. In 1910, the company moved to Toledo, Ohio to be close to the Willys-Overland Auto Company. [1] In 1931, Champion introduced its first suppressor-type spark plugs. It used a carbon-based resistor to reduce the effects of ignition noise on radio waves. [2]
Buick at that time was using Rajah spark plugs. Durant thought they could manufacture spark plugs to Champion's design cheaper than buying them from Rajah, and set Champion up in a workshop in Flint, Michigan as part of the budding auto industry there. [citation needed] Champion went to work producing spark plugs to be used in Buick automobiles.
In Oct. 1961, Nippon Oil Seal Industry Co., Ltd. (former name of NOK) is listed on the Tokyo Stock Exchange. In Oct. 1964, first subsidiary Nippon Sealol Co., Ltd was founded. This subsidiary is currently known as Eagle Industries. In Jan. 1966, the head office was moved to Minato-ku, Tokyo. In Mar. 1968, NOK-USA Inc., was founded in the USA.
In older plug designs both blades were the same width, so the plug could be inserted into the receptacle either way around. Many plugs manufactured since 1948 are polarized; the neutral blade is 5 ⁄ 16 in or 7.9 mm wide, 1 ⁄ 16 in or 1.6 mm wider than the line blade, so the plug can be inserted only one way. Polarized 1-15P plugs will not ...