free-piston engine

type of engine with no crank

en-GB/ˈfɹiː - ˈpɪstən ˈɛnd͡ʒɪn/
en-US/ˈfɹi - ˈpɪstən ˈɪnd͡ʒən/

دسته بندی ها:

internal combustion engine