Piston machine, modular construction system for a piston machine, and method for producing a piston machine

An oscillating piston machine with a modular construction, comprising:

• a piston,
• a housing with a working chamber with at least one inlet opening and at least one outlet opening,
• wherein the piston is mounted in a manner capable of swivelling about a swivel axis in the working chamber, the swivel axis defining an axial direction;
• wherein the piston is operatively connected to at least one rotatably mounted shaft;
• wherein the working chamber is formed by a plurality of housing parts as well as a housing cover and an end wall,
• wherein the housing parts have, in a plane perpendicular to the swivel axis, at least two separate side walls for delimiting the working chamber, and,
• wherein the housing parts have at least two additional separate side walls that are arranged successionally in the direction of the swivel axis and in a plane parallel to the swivel axis;
• and
• wherein the housing cover and the end wall are each formed by at least two separate segments which are each arranged in sequence in a vertical direction extending between an arcuate wall and a bearing shell, and wherein the arcuate wall is formed by at least two separate segments, which are each arranged axially in sequence.