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United States of America Patent

APP PUB NO 20240210039A1
SERIAL NO

18337477

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided a method of operating a gas turbine engine. The gas turbine engine comprises a staged combustor having an arrangement of fuel spray nozzles in which fuel flow is biased to a subset of the nozzles adjacent one or more ignitors during a re-light procedure. The method comprises transferring heat from the oil to the fuel before the fuel enters the combustor so as to lower the fuel viscosity to 0.58 mm2/s or lower on entry to the combustor at cruise conditions. Also disclosed is a gas turbine engine.

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Patent Owner(s)

Patent OwnerAddress
ROLLS-ROYCE PLCLONDON

International Classification(s)

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  • 2023 Application Filing Year
  • F23K Class
  • 25 Applications Filed
  • 7 Patents Issued To-Date
  • 28 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
BEAVEN, David M Nottingham, GB 23 186
BEMMENT, Craig W Derby, GB 104 229
FERRA, Paul W Derby, GB 21 86
GUNASEKARAN, Barani P Derby, GB 2 0
KEELER, Benjamin J Chesterfield, GB 54 84
MADDEN, Christopher P Derby, GB 56 108
SWANN, Peter Derby, GB 85 375
YATES, Martin K Derby, GB 41 73

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Patent Citation Ranking

  • 0 Citation Count
  • F23K Class
  • 0 % this patent is cited more than
  • 1 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges50002.557.51012.51517.52022.52527.53032.53537.54042.54547.55052.5

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