Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1994-05-16
1995-08-01
Thorpe, Timothy S.
Power plants
Combustion products used as motive fluid
Combustion products generator
60743, F23R 334
Patent
active
054371589
ABSTRACT:
Lean direct injection is used in a gas turbine combustor to reduce NO.sub.x emissions. The combustor has a multi-hole perforated plate disposed at the head end of the combustion chamber. The plate has a plurality of independent fuel jets and air jets for separately injecting fuel and air, respectively, into the combustion chamber in amounts which produce a lean fuel-air equivalence ratio. The perforated plate permits the fuel and air to be injected separately without any mixing outside of the combustion chamber. Fuel is delivered to the fuel jets by a fuel manifold having a branch connected to each one of the fuel jets. Air can be delivered to the air jets by an air plenum chamber located upstream of the perforated plate and in fluid communication with the air jets.
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Th. Sattelmayer et al., "Second Generation Low-Emission Combustors for ABB Gas Turbines: Burner Development and Tests at Atmospheric Pressure," 90-GT-162, 1990, pp. 1-9.
G. E. Andrews et al., "Low No.sub.x Combustor Designs Without Premixing for Aero-Engine Applications," DLR Report 90-01, 1990, pp. 161-174 (no month).
General Electric Company
Scanlon Patrick R.
Thorpe Timothy S.
Webb II Paul R.
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