Patent ID: 7437873

Claim:
Connection block for a hydrostatic piston machine which is provided for simultaneous operation in a first hydraulic circuit and a second hydraulic circuit, a first working pressure duct and a second working pressure duct being formed in the connection block, via which ducts respectively a first and a second working line of the first hydraulic circuit is connectable to respectively a first and a second kidney-shaped control port of a control plate of the hydrostatic piston machine, and a third working pressure duct and a fourth working pressure duct being formed in the connection block, via which ducts respectively a third and a fourth working line of the second hydraulic circuit is connectable to respectively a third and a fourth kidney-shaped control port of the control plate of the hydrostatic piston machine, wherein a common feeding pressure duct is provided in the connection block, it being possible for the common feeding pressure duct to be connected to the first to fourth working pressure duct respectively via a separate feeding device; and wherein said common feeding pressure duct is provided with a setting pressure supply line for connection to a setting pressure regulating valve that actuates an adjusting device.