Control valve

  • US 9,360,127 B2
  • Filed: 10/25/2011
  • Issued: 06/07/2016
  • Est. Priority Date: 11/03/2010
  • Status: Active Grant
First Claim
Patent Images

1. A switch valve with a valve seat and a valve plate that can be moved from a closed position, in which the valve plate is in contact with the valve seat and the switch valve is closed, into a through-flow position, in which the switch valve is open,wherein the valve plate comprisesa valve plate surface with a circumferential surface edge, wherein said valve plate surface is the surface by means of which the valve plate lies on top of the valve seat when the valve is closed, anda perpendicular, which runs vertically to the valve plate surface and through a center of gravity of the valve plate surface, said perpendicular defining a longitudinal axis L, andwherein a brim is arranged at the circumferential surface edge, wherein the brim comprisesa first part which protrudes from the circumferential surface edge in a downward direction from the valve plate surface anda second part comprising a radial section extending in the radial direction that extends from the first part, the second part further comprising a brim edge extending in the axial direction from the radial section relative to the longitudinal axis L, wherein the radial section has a larger proportion extending in the radial direction than the brim edge extending in the axial direction, the entire radial section being larger than the valve seat diameter.

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