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DUAL TEMPERATURE OIL CONTROL SYSTEM AND METHOD FOR A WIND TURBINE GEARBOX

  • US 20130183138A1
  • Filed: 01/17/2012
  • Published: 07/18/2013
  • Est. Priority Date: 01/17/2012
  • Status: Active Grant
First Claim
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1. A system for supplying oil at different temperatures to different locations within a wind turbine gearbox, comprising:

  • a common oil sump;

    a supply pump disposed to draw oil from said sump and deliver the oil to said different gearbox locations via a common header;

    said different gear box locations divided into at least two groups, wherein each of said groups receives inlet oil at a respective inlet oil temperature (T1 and T2);

    a first temperature control device disposed between said common header and said first group;

    a second temperature control device disposed between said common header and said second group; and

    wherein said first and second temperature control devices are configured to independently control the inlet oil temperature to said respective groups within said wind turbine gearbox.

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