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Valve, in particular pressure reducing valve

  • US 20020175190A1
  • Filed: 07/19/2002
  • Published: 11/28/2002
  • Est. Priority Date: 01/25/2000
  • Status: Abandoned Application
First Claim
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1. A valve, comprising:

  • a casing of ceramic material having a cylindrical cavity formed therein with a peripheral cavity surface and end faces, an inflow duct for a pressurized medium communicating with said cavity and an outflow duct for the medium flowing out with reduced pressure communicating with said cavity;

    a rotor of ceramic material received in said cylindrical cavity;

    said rotor being a cylindrical body with end faces and a peripheral rotor surface formed with a multiplicity of recesses at a spacing distance from one another in a direction of rotation, said peripheral rotor surface, in regions thereof between said recesses, sealingly bearing against said peripheral cavity surface in said casing, and said end faces of said rotor sealingly bearing against said end faces of said casing.

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