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Oil filtration system

  • US 7,674,387 B2
  • Filed: 12/09/2004
  • Issued: 03/09/2010
  • Est. Priority Date: 12/10/2003
  • Status: Expired due to Fees
First Claim
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1. A method of filtering oil, comprising:

  • in a first tank, heating oil to a temperature sufficient to remove moisture therefrom;

    conveying said oil from said first tank into a second tank;

    heating said oil in said second tank with a heater arranged within said second tank until said oil obtains a predetermined temperature;

    thenpassing said oil from said second tank through a first filter; and

    thenconveying said oil into a third tank,wherein said heating of said oil in said second tank comprises holding said oil in said second tank while heating said oil such that said oil does not flow from said second tank toward said first filter.

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