Patent ID: 7066446
Filing Date: 2006-06-27
Classification: F15B

Abstract:
1. A hydraulic valve arrangement comprising: a working connection arrangement having a first working connection and a second working connection, the first and the second working connections being connectable with a hydraulic consumer; a supply connection arrangement having a pressure connection and a tank connection, a first valve arrangement operable to accomplish at least one of closing the pressure connection and connecting the pressure connection in a controlled manner with one of the first working connection and the second working connection, a second valve arrangement, operable to accomplish at least one of closing the tank connection and connecting the tank connection in a controlled manner with at least one of the first working connection and the second working connection, and a control device, which controls the first valve arrangement and the second valve arrangement, being at least one of the valve arrangements being provided with an opening degree sensor, connected with the control device, and wherein the control device controls the valve arrangement in dependence on the signal received from the opening degree sensor and a specified signal (PS, VS).