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Turbomachine combustion chamber shell ring

  • US 9,377,200 B2
  • Filed: 05/23/2013
  • Issued: 06/28/2016
  • Est. Priority Date: 05/25/2012
  • Status: Active Grant
First Claim
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1. A turbomachine combustion chamber shell ring, comprising:

  • dilution holes;

    ventilation holes surrounding the dilution holes and being finer and more numerous than the dilution holes; and

    inserts extending over and around the dilution holes on an outer face of the shell ring,wherein the shell ring is devoid of ventilation holes at portions situated beneath the inserts,wherein the inserts each comprise an outer edge for attaching to the shell ring and an orifice extending over one of the respective dilution holes, and the inserts are traversed by holes directed towards the portions of the shell ring, andwherein the outer edge surrounds the holes traversing the inserts and the portions of the shell ring devoid of ventilation holes situated beneath the inserts.

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