| abstract |
Embodiments relating to a cylinder occupying structure are disclosed herein. The example provides a cylinder system including a mechanical cylinder and a cylinder occupying structure, the mechanical cylinder including an interior space and a piston into which a fluid is introduced, the piston configured for reciprocation in the interior space, the cylinder occupying structure including a plunger , the plunger acts as a second piston, wherein, corresponding to the reciprocating motion of the piston, the plunger is variably inserted into and retracted from the inner space of the cylinder, and wherein parts of the plunger and the piston can surround Burn space. |