Apparatus for damping pressure pulsation for a compressor of a gaseous fluid

An apparatus for damping pressure pulsation for a compressor of a gaseous fluid, the apparatus comprising:

• a housing with an inlet opening and at least one first outlet opening, and
• a piston element which is movable in an axial direction within a volume enclosed by the housing and is arranged in a beared manner supported on the housing via a spring element, wherein a movement of the piston element respectively controls a flow cross section of the inlet opening and of the at least one first outlet opening, wherein the piston element and the housing each respectively have at least one first sealing surface and at least one second sealing surface, wherein the at least one first sealing surface forms a first seat and the at least one second sealing surface forms a second seat, wherein between the first seat and the second seat respectively at least one chamber is formed and enclosed by the housing and the piston element for expanding the gaseous fluid when flowing into the at least one chamber, and wherein at least one second outlet opening in the housing is formed, wherein the at least one second outlet opening is arranged adjacent to the at least one first sealing surface of the housing such that the at least one first sealing surface of the housing is arranged in a radial direction between the inlet opening and the at least one second outlet opening, wherein the at least one second outlet opening is formed as a flow channel with a flow cross section smaller than a flow cross section of the at least one first outlet opening, wherein the at least one second outlet opening includes at least one change in flow direction, and wherein two straight sections of the at least one second outlet opening are respectively oriented in parallel relationship to the inlet opening and connected to one another via a deflection section such that a mass flow of the gaseous fluid which is guided through the at least one second outlet opening, experiences a first deflection of 180° after flowing through the inlet opening and and experiences a second 180° deflection after flowing through the deflection section.