Hydraulic unit, especially a pump or engine, has continuously adjustable inlet and outlet flow cross sections with which the occurrence of pressure peaks and cavitation can be suppressed

摘要

Unit comprises a housing (1b) with a cylinder block (2) with a multiplicity of cylinders (3) containing driven pistons (4) mounted on a swiveling disk (5), whereby the diameters of the openings for the hydraulic fluid inlets and outlets can be continuously adjusted. The openings are in the end housing (1a) of the cylinder block.