Low emission combustion chamber
Patent
·
OSTI ID:7334662
A low emission combustion chamber is described in which vitiated products of combustion from a pilot burner are caused to swirl about the combustion chamber axis before fuel droplets are introduced for flash vaporization. A vaporized, swirling, vitiated fuel-air mixture is produced, and ignition is prevented until combustion air can be combined with the mixture to molcularly premix the fuel and air. The oxygen content is increased to reduce the ignition lag to effect autoignition at an equivalence ratio less than 1, resulting in high-rate, lean burning in the primary combustion chamber.
- Assignee:
- United Technologies Corp.
- Patent Number(s):
- US 3973395
- OSTI ID:
- 7334662
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330603* -- Vehicle Design Factors-- Engine System
330701 -- Emission Control-- Nitrogen Oxides
AIR
BURNERS
CHALCOGENIDES
COMBUSTION CHAMBERS
DESIGN
EVAPORATION
EXHAUST GASES
FLUID FLOW
FLUIDS
FUEL-AIR RATIO
FUELS
GASEOUS WASTES
GASES
IGNITION
MIXING
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
SWIRL FLOW
WASTES
330603* -- Vehicle Design Factors-- Engine System
330701 -- Emission Control-- Nitrogen Oxides
AIR
BURNERS
CHALCOGENIDES
COMBUSTION CHAMBERS
DESIGN
EVAPORATION
EXHAUST GASES
FLUID FLOW
FLUIDS
FUEL-AIR RATIO
FUELS
GASEOUS WASTES
GASES
IGNITION
MIXING
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
SWIRL FLOW
WASTES