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Control valve for a device for changing the control times of an internal combust ion engine

  • US 20050252561A1
  • Filed: 05/12/2005
  • Published: 11/17/2005
  • Est. Priority Date: 05/14/2004
  • Status: Active Grant
First Claim
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1. A control valve for a device for changing the control times of an internal combustion engine, the control valve comprising:

  • a substantially hollow-cylindrical valve housing, a control piston arranged within the valve housing and displaceable axially in the valve housing, a pressure medium connection, two operating connections, at least one tank connection, the operating connections, the pressure medium connection and the tank connection all being formed as respective radial connections, wherein the operating connections may be connected to the pressure medium connection and the tank connection due to axial displacement of the control piston within the valve housing, wherein in the axial direction of the control valve, the connections are arranged in the sequence;

    pressure medium connection, tank connection, operating connection, operating connection.

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