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spark-ignition engine |
Also found in: Wikipedia | 0.05 sec. |
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spark-ignition engine [′spärk ig¦nish·ən ‚en·jən] (mechanical engineering) An internal combustion engine in which an electrical discharge ignites the explosive mixture of fuel and air. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| All he has to do is mention how a change in electrode design--from a single J-shaped piece with rounded corners to a three-legged unit topped by an open diamond-shaped end piece with square corners--can boost power and fuel economy in any spark-ignition engine, forces air-gap discharges, and creates the preferred edge-to-edge spark path. The MWD also requires combustion engines comply with the California Air Resources Board 2001 or later model spark-ignition marine engine standard or the U. Questions about the US Environmental Protection Agency's new emission standards for small spark-ignition engines of 25 hp or less are answered in the brochure, "Answers to Commonly Asked Questions from Dealers and Distributors. |
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