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Oil lubricated swashplate

  • US 9,260,186 B1
  • Filed: 09/07/2011
  • Issued: 02/16/2016
  • Est. Priority Date: 09/09/2010
  • Status: Active Grant
First Claim
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1. A method for operating a rotorcraft, the method comprising:

  • providing the rotorcraft having a rotor, blades, and swashplate, the blades pivoted with respect to the rotor by the swashplate;

    receiving oil from a return oil line and pumping oil to a feed line, the feed oil line and return oil line being in fluid communication with a bearing, the bearing being interposed between a rotating ring and a non-rotating ring of the swashplate and comprising a plurality of rolling elements having a preloaded condition within an operating temperature range; and

    modulating a temperature of the oil effective to maintain the plurality of rolling elements in the preloaded condition.

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