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Infrared spectrometer measurement of droplets collected from an oil mist in a breather pipe of a gas turbine

  • US 9,863,873 B2
  • Filed: 03/12/2013
  • Issued: 01/09/2018
  • Est. Priority Date: 03/27/2012
  • Status: Active Grant
First Claim
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1. A method for analysing a droplet fraction of an oil mist sample of a gas turbine, the method comprising:

  • collecting the oil mist sample by a collecting device, wherein the collecting device is arranged within a breather pipe which is coupled to the gas turbine such that oil mist is flowing through the breather pipe,separating the droplet fraction from a gaseous fraction of the oil mist sample by a filter device, wherein the filter device is soaked with the droplet fraction,extracting the droplet fraction from the filter device by using a tetrachloroethylene solvent, andanalysing a composition of the droplet fraction by a spectrometer.

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