FUEL NOZZLE AIR SWIRLER

A guide plate for a swirler assembly is disclosed. In various embodiments, the guide plate includes a guide plate flange configured for engagement with a swirler body having a plurality of primary swirler inlets; and a first plurality of purge holes extending through the guide plate flange and configured to introduce a first vectored purge flow into the swirler body. 1. A guide plate for a swirler assembly , comprising:a guide plate flange configured for engagement with a swirler body having a plurality of primary swirler inlets; anda first plurality of purge holes extending through the guide plate flange and configured to introduce a first vectored purge flow into the swirler body.2. The guide plate of claim 1 , wherein each of the first plurality of purge holes is defined by a first axial angle with respect to a longitudinal axis extending through the swirler body.3. The guide plate of claim 2 , wherein the first axial angle is from about zero degrees to about sixty degrees.4. The guide plate of claim 3 , wherein each of the first plurality of purge holes is defined by a first radial angle with respect to a radial axis extending through the swirler body.5. The guide plate of claim 4 , wherein the first radial angle is from about zero degrees to about sixty degrees.6. The guide plate of claim 1 , further comprising a second plurality of purge holes extending through the guide plate flange and configured to introduce a second vectored purge flow into the swirler body.7. The guide plate of claim 6 , wherein each of the first plurality of purge holes has a first entrance opening positioned at a first radial entrance position and each of the second plurality of purge holes has a second entrance opening positioned at a second radial entrance position claim 6 , the second radial entrance position being different from the first radial entrance position.8. The guide plate of claim 6 , wherein each of the first plurality of purge holes has a first exit opening positioned at ...

Fuel nozzle air swirler

A guide plate (204) for a swirler assembly (200) is disclosed. In various embodiments, the guide plate (204) includes a guide plate flange (224) configured for engagement with a swirler body (202) having a plurality of primary swirler inlets (212); and a first plurality of purge holes (450) extending through the guide plate flange (224) and configured to introduce a first vectored purge flow into the swirler body (202).

Swirler assembly for fuel nozzle

Fuel nozzle air swirler

A guide plate for a swirler assembly is disclosed. In various embodiments, the guide plate includes a guide plate flange configured for engagement with a swirler body having a plurality of primary swirler inlets; and a first plurality of purge holes extending through the guide plate flange and configured to introduce a first vectored purge flow into the swirler body.