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Rotary disk control valve for a water conditioning system

  • US 5,741,005 A
  • Filed: 03/15/1996
  • Issued: 04/21/1998
  • Est. Priority Date: 03/15/1996
  • Status: Expired due to Fees
First Claim
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1. A control valve for a water conditioning system having a tank including:

  • a housing having an upper body portion and a lower body portion, said housing defining a chamber between said upper body portion and said lower body portion, said upper body portion including a first upper port, a second upper port, and a third upper port, said lower body portion including a first lower port, a second lower port, and a third lower port, said first, second and third lower ports adapted to provide fluid communication with the tank;

    a disk located within said chamber, said disk being selectively rotatable about a central axis, said disk including an upper face having a generally centrally located aperture and a peripherally located aperture, a lower face having a first peripherally located aperture and a second peripherally located aperture, a first fluid passage extending between said centrally located aperture in said upper face and said first peripherally located aperture in said lower face, and a second fluid passage extending between said peripherally located aperture in said upper face and said second peripherally located aperture in said lower face;

    whereby rotation of said disk about said central axis provides selective fluid communication between said upper ports in said upper body portion and said lower ports in said lower body portion through said first and second fluid passages in said disk.

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