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Sump pump system

  • US 20070258827A1
  • Filed: 05/02/2006
  • Published: 11/08/2007
  • Est. Priority Date: 05/02/2006
  • Status: Abandoned Application
First Claim
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1. A sump pump system for removing liquid from a sump comprising:

  • a plurality of pumps for pumping liquid from the sump, said pumps being arranged to be selectively powered from a primary power source and a secondary battery back-up power source;

    a battery back-up power source; and

    a programmed microcontroller based controller unit for controlling said pumps and selecting said power source therefor.

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