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Jet engine with multiple chambers and a bearing chamber support

  • US 10,458,276 B2
  • Filed: 10/19/2016
  • Issued: 10/29/2019
  • Est. Priority Date: 10/19/2015
  • Status: Active Grant
First Claim
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1. A jet engine, comprising:

  • a bearing chamber,a sealing chamber,a de-aeration chamber, anda bearing chamber support that delimits the bearing chamber and includes at least one bearing appliance in certain areas,wherein the bearing chamber is separated from the sealing chamber via a sealing appliance,a further sealing appliance separating the sealing chamber from the de-aeration chamber that is arranged at a side of the sealing chamber that is facing away from the bearing chamber, andwherein the sealing chamber is connected to a sealing air conduit by which the bearing chamber is supplied with a sealing air volume flow, andwherein the de-aeration chamber is connected to a de-airing appliance via which a volume flow can be discharged from the de-aeration chamber into a core flow channel of the jet engine,wherein the de-airing appliance includes an air extraction duct with a tubular flow cross-section;

    wherein the air extraction duct includes an area with a defined cross-sectional expansion.

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