Patent ID: 9625146
Date: 2017-04-18
CPC Classifications: B05B,F23D,F23R

Claim:
1. A swirler for inducing swirl on a liquid flow, comprising: a swirler body defining a downstream end and an upstream end; a plurality of axial slots on an external surface of the swirler body, each of the plurality of axial slots having a slot entrance and a slot exit; and a slot relief at the slot exit; wherein each of the plurality of axial slots are helical and configured to impart swirl on the liquid flow as the liquid flow traverses through each of the slots; wherein each of the plurality of axial slots further comprises a first set of counter-clockwise axial slots and a second set of clockwise axial slots on the external surface of the swirler body; and wherein the second set of clockwise axial slots have a slot depth that is tapered from the slot entrance to the slot exit.