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Combustor

  • US 5,297,385 A
  • Filed: 05/31/1988
  • Issued: 03/29/1994
  • Est. Priority Date: 05/31/1988
  • Status: Expired due to Term
First Claim
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1. An annular combustor for a gas turbine engine including an elongated annular outer liner and an elongated annular inner liner, a dome enclosing the forward end of the annular combustor being supported to said annular outer liner and said annular inner liner all of which define a combustion zone, a plurality of openings circumferentially spaced in said dome for admitting air into said combustion zone, at least one row of fixed openings in said inner annular liner and outer annular liner circumferentially spaced within a transverse plane for admitting air radially into said combustion zone, a portion of said plurality of openings in said dome and a portion of said row of fixed openings being dimensioned to admit a reduced level of air relative to the amount of air being admitted by the remaining openings in said dome and said fixed openings in a given sector of said combustion zone from the level outside of said sector so that said sector operates stable under all combustor operating conditions and when said portion outside said sector operates in a non-stable condition.

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