Enhancement for fuel spray breakup
AssigneeRaytheon Technologies Corporation
InventorJeffery A. Lovett
Life of this patent
Estimating the term…
Abstract
A combustor or augmentor of a gas turbine engine is provided. The combustor or augmentor includes a wall defining apertures and an interior having an inlet, an outlet and a mixing region between the inlet and the outlet and fuel injectors. The fuel injectors are respectively arrayed along the wall at corresponding apertures to inject fuel into the mixing region. Each fuel injector includes a fuel injector body defining an injection outlet through which fuel exits the fuel injector body toward the mixing region and a pintle. The pintle includes a first end, a second end and a pintle body extending between the first and second ends. At least one of the first and second ends is attachable to the fuel injector body to position the pintle body between the injection outlet and the mixing region.
Claims15
A combustor of a gas turbine engine, the combustor comprising:
- a wall defining apertures and an interior having an inlet, an outlet and a mixing region between the inlet and the outlet;
- and
- fuel injectors respectively arrayed along the wall at the apertures to inject fuel into the mixing region, each fuel injector comprising:
- a fuel injector body defining an injection outlet through which fuel exits the fuel injector body toward the mixing region;
- and
- a pintle comprising a first end, a second end and a pintle body extending between the first and second ends,
- at least one of the first and second ends being attachable to the fuel injector body to position the pintle body between the injection outlet and the mixing region,
- wherein at least one of:
- a connection point between the at least one of the first and second ends and the fuel injector body is variable relative to the injection outlet,
- the at least one of the first and second ends is electro-magnetically attachable to the fuel injector body, and
- a controller is operably coupled to each fuel injector and configured to control operations of each pintle.
A combustor of a gas turbine engine, the combustor comprising:
- a wall defining apertures and an interior having an inlet, an outlet and a mixing region between the inlet and the outlet;
- and
- fuel injectors respectively arrayed along the wall at the apertures to inject fuel into the mixing region, each fuel injector comprising:
- a fuel injector body defining an injection outlet through which fuel exits the fuel injector body toward the mixing region;
- and
- a pintle comprising a first end, a second end and a pintle body extending between the first and second ends,
- at least one of the first and second ends being attachable to the fuel injector body to position the pintle body between the injection outlet and the mixing region, and
- operations of the pintle of each fuel injector being independently controllable in accordance with current combustor conditions.
A fuel injector, comprising:
- a fuel injector body defining an injection outlet at which fuel exits the fuel injector body;
- and
- a pintle comprising a first end, a second end and a pintle body extending between the first and second ends,
- at least one of the first and second ends being attachable to the fuel injector body to position the pintle body to interact with fuel exiting the fuel injector body through the injection outlet,
- wherein at least one of:
- a connection point between the at least one of the first and second ends and the fuel injector body is variable relative to the injection outlet, and
- the at least one of the first and second ends is electro-magnetically attachable to the fuel injector body.
Dependencies are inferred from the claim text.