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injector |
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injector [in′jek·tər] (electronics) An electrode through which charge carriers (holes or electrons) are forced to enter the high-field region in a spacistor. (mechanical engineering) An apparatus containing a nozzle in an actuating fluid which is accelerated and thus entrains a second fluid, so delivering the mixture against a pressure in excess of the actuating fluid. A plug with a valved nozzle through which fuel is metered to the combustion chambers in diesel- or full-injection engines. A jet through which feedwater is injected into a boiler, or fuel is injected into a combustion chamber. 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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In order to get direct injection, the fuel injectors are mounted in the cylinder head. Dirty fuel injectors can cause inefficient fuel combustion and can contribute to loss of power. As equipment manufacturers gear up to meet the Environmental Protection Agency's Tier 3 requirements for engine emissions, which will be phased in from 2006 to 2008, fuel injectors for new engines will run at a higher PSI. |
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