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spark-ignition engine |
Also found in: Wikipedia | 0.03 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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| The EPA has proposed new exhaust emission standards for marine spark-ignition engines and small, land-based, non-road engines, which aim to cut hydrocarbon and nitrogen oxide emissions by 35%. 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. And there's another issue related to diesels and costs, which is that compared to a spark-ignition engine (i. |
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