Patent ID: 7243591
Filing Date: 2007-07-17
Classification: F15B

Abstract:
1. A hydraulic valve arrangement with a working connection arrangement having a first working connection and a second working connection, both working connections being connectable with a hydraulic consumer, a supply connection arrangement having a pressure connection and a tank connection, a first valve arrangement with a first valve, alternately closing the pressure connection, connecting it in a controlled manner with the first working connection, or connecting it in a controlled manner with the second working connection, a second valve arrangement with a second valve, alternately closing the tank connection, connecting it in a controlled manner with the first working connection, or connecting in a controlled manner with the second working connection, and a control arrangement controlling the first valve arrangement and the second valve arrangement, wherein, at least with one of the two valves a working position can be set, in which the first and the second working connections are connected with each other.