| 摘要 |
An internal combustion engine has a cylinder and a piston disposed with the cylinder to define a combustion chamber that is bounded at least in part by interior surfaces of the cylinder and a surface of the piston. A mechanism coupled with the piston reciprocates the piston within the cylinder, causing the combustion chamber to have a volume that varies in accordance with motion of the piston. A torsional element is coupled with the mechanism such that mechanical energy is stored in and released from the torsional element with motion of the piston.
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