单词 | exhaust valve |
释义 | exhaust valve in Automotive Engineering (ɪgzɔst vælv) Word forms: (regular plural) exhaust valves noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) valveAn exhaust valve is a valve that releases burned gases from a cylinder. The exhaust valve closes during the initial part of the induction stroke. The inlet valve usually opens a little before top dead center and the exhaust valve remains open a little after top dead center. As pressure increases during compression and combustion, a small amount of air-fuelmixture is forced around the edges of the exhaust valve and between the valve and valve seat. |
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