Piston compressor having eccentric lifting element

A piston compressor, comprising:

• a piston guided in a compressor cylinder, wherein the piston and the compressor cylinder form a compressor chamber for compressing a fluid;
• a shaft provided so as to rotate around its axis;
• and
• a lifting element arranged eccentrically to the axis of the shaft and provided fixed to the shaft, wherein
• the lifting element and the piston are configured such that the piston performs a movement between a maximum and a minimum lifting position when the shaft rotates around its axis,
• the compressor further comprises at least one further piston guided in a further compressor cylinder,
• the at least one further piston connected, directly or via further intermediate elements, to a further lifting element for each at least one further piston arranged on the shaft such that the at least one further piston is configured to perform a movement between a maximum and a minimum lifting position when the shaft rotates around its axis,
• a space that provides cooling is provided between the lifting element and the further lifting elements, and
• the space houses a cooling fluid therewithin,
• the shaft has a cylindrical shape and the lifting element has a hollow cylindrical shape, an inner diameter of the hollow cylindrical shaped lifting element corresponds to an outer diameter of the shaft, and an outer diameter of the hollow cylindrical shaped lifting element corresponds to an inner diameter of bearings for coupling the lifting element with the intermediate elements and the further intermediate elements, and
• the lifting element and the further lifting element are arranged so as to abut each other in the axial direction of the shaft.