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Automatic irrigation regulator controlled by water evaporation

  • US 4,967,789 A
  • Filed: 02/24/1989
  • Issued: 11/06/1990
  • Est. Priority Date: 02/29/1988
  • Status: Expired due to Fees
First Claim
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1. A magnetic water valve actuated by a floating magnet comprising:

  • a water containing water;

    a floating magnet floating in said water and moving up and down as a level of said water fluctuates comprising a float means having a ring magnet attached thereto,a two piece armature attached to said ring magnet at opposite ends thereof to substantially confine a magnetic field generated by said magnet to a space between the two pieces of said armature of said ring magnet on and around an axis thereof;

    a magnetic water valve located in said container, said valve being opened when said magnet and armature approaches said valve to allow water to flow therethrough and being closed when said magnet and armature move away from said valve so that said valve is not under the influence of said magnetic field, said valve being closed by a rubber pad closing an outlet of said valve under the force of a spring.

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