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辭典搜尋 - over head valve

英文: Over Head Valve

中文: 頂上汽門

簡稱/別名: OHV

常見於 汽車系統 > 101 引擎主要組件 > 10107 凸輪軸及汽門 camshaft and valves

說明:
進汽與排汽們均置於活塞上方之燃燒室,而凸輪軸則裝於引擎本體,因此,汽門的開啟與關閉是由凸輪軸經推桿及搖臂所控制。


An engine with both intake and exhaust valves placed directly over the piston. In this design, the camshaft is located in the block, and the valves are actuated by pushrods and rocker arms.
頂上汽門