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Electric powered automatic swimming pool cleaning system

  • US 6,485,638 B2
  • Filed: 05/15/2001
  • Issued: 11/26/2002
  • Est. Priority Date: 11/15/1999
  • Status: Expired due to Term
First Claim
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1. Apparatus for use with a containment wall having bottom and side portions containing a pool of water having a surface for cleaning the surface of said water and the surface of said wall, said apparatus comprising:

  • a unitary body capable of being immersed in said pool water;

    an electric power source including a battery;

    a level control subsystem responsive to said power source for producing a vertical force to selectively place said body either (1) proximate to said water surface or (2) proximate to said wall surface below said water surface;

    at least one pool water inlet in said body; and

    a propulsion control subsystem responsive to said power source for selectively moving said body either (1) along a path adjacent to said water surface for collecting pool water through said inlet from adjacent to said water surface or (2) along a path adjacent to said wall surface for collecting pool water through said inlet from adjacent to said wall surface.

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