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US Patent Application 20100065135 - CONTROLLING DEVICE FOR HYDRAULIC CONSUMERS

Application 20100065135 Filed on October 26, 2007. Published on March 18, 2010

Inventor

US Class

137/528Reciprocating valves

Attorney, Agent or Firm

Foreign Documents

  • 10 2006 061 305.8 DE 12/22/2006

International Classes

F15B 11/024
F15B 11/16
F15B 21/04


Abstract text


The invention relates to a controlling device for hydraulic consumers (10, 12) with at least one controlling valve (18) for controlling a supply pipeline (TReg) for the respective hydraulic consumer (10, 12) and with a tank return pipeline (TR0). Because the control valve (18) is connected to an additional supply pipeline (T0) and constructed as a priority valve in such a manner that the supply pipeline (TReg) receives priority preference of a fluid supply system over the priority of the tank return pipeline (TR0), a type of sensor circuit is realized which checks whether, in accordance with the load situation at the hydraulic consumer (10, 12), then is any need at all for a supply flow.

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