%0 Journal Article %T Low driving energy engine valve mechanism using permanent-electromagnet and conical spring %A Nagaya, Kosuke %A Kobayashi, Kazuya %A Nenoi, Masaomi %A Hosokawa, Yuhki %A Murakami, Iwanori %J International Journal of Applied Electromagnetics and Mechanics %V 28 %N 1 %P 267-273 %@ 1383-5416 %D 2008-01-01 %I IOS Press %~ DeepDyve