Patent ID: 8262368

Claim:
A hydraulic piston machine, comprising: a plurality of pistons ( 12 , 14 ) which are driven by a drive/output shaft ( 40 ), guided in an axially displaceable manner in a piston barrel ( 4 ) of a housing ( 2 ), and, in each case, bound one working chamber ( 44 ) into which the pressure medium may be fed via a suction valve ( 46 ), and from which the pressure medium may be discharged via a pressure valve ( 48 ), wherein the housing ( 2 ) comprises at least one further housing part ( 6 ) which is connected to the piston barrel ( 4 ) on the front side, wherein the suction valves ( 46 ) and pressure valves ( 48 ) are situated in the region of a parting plane ( 50 ) between the housing parts ( 4 , 6 ), in housing receptacles ( 52 , 54 ), approximately axially parallel to the longitudinal axis of the piston machine, and wherein the pressure valves ( 48 ) are situated on a common partial circle ( 72 ) having a larger diameter than that of a common partial circle 74 of the suction valves ( 46 ), wherein a partial circle ( 75 ) of the pistons ( 12 ) is situated between drive/output shaft ( 40 ) and the partial circle ( 74 ) of the suction valves ( 46 ), wherein a closing body ( 80 ) of each suction valve ( 46 ) is preloaded via at least one closing spring ( 82 ) bearing against the piston barrel ( 4 ), against a valve seat ( 84 ) of a seat ring ( 86 ) inserted in the piston barrel ( 4 ); seat ring ( 86 ) bears against a front side ( 92 ) of the housing part ( 6 ).