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Ice making method and machine with PETD harvest

  • US 20070079627A1
  • Filed: 07/13/2006
  • Published: 04/12/2007
  • Est. Priority Date: 10/06/2005
  • Status: Active Grant
First Claim
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1. An ice making machine comprising:

  • an evaporator assembly comprising an array of ice forming surfaces;

    a water supply, a refrigerant supply and an electrical energy source; and

    a controller that during a freeze mode operates said water supply and said refrigerant supply to form ice on said ice forming surfaces and during a harvest mode operates said electrical energy source to apply electrical pulse energy to said evaporator assembly to melt an interfacial layer of said ice such that it is freed from said surfaces.

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