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Automatic pool cleaning apparatus

  • US 5,435,031 A
  • Filed: 07/09/1993
  • Issued: 07/25/1995
  • Est. Priority Date: 07/09/1993
  • Status: Expired due to Fees
First Claim
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1. An apparatus for automatically cleaning an immersed surface, including:

  • a housing, having an inlet for receiving liquid, and an outlet through which the liquid escapes after flowing through the housing;

    a control box attached to the housing, said control box enclosing and sealing an interior region from the liquid, and including at least one sensor mounted in the interior region for generating operation status signals, and a processor mounted in the interior region for generating control signals in response to the operation status signals;

    means for cleaning a portion of the immersed surface adjacent to the housing, including a means for pumping the liquid to cause said liquid to flow through the housing from the inlet and out of the housing through the outlet; and

    traction means attached to the housing, said traction means including;

    transmission means operable in response to the control signals for causing the traction means to operate in any of several operating modes in response to the control signals.

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