US 11,674,689 B2
Combustor with an air mixer and an air swirler each having slots
Jason A. Ryon, Carlisle, IA (US); Lev A. Prociw, Johnston, IA (US); and Jacob Greenfield, Granger, IA (US)
Filed by Collins Engine Nozzles, Inc., Des Moines, IA (US)
Filed on Aug. 26, 2021, as Appl. No. 17/458,240.
Application 17/458,240 is a continuation of application No. 15/716,295, filed on Sep. 26, 2017, granted, now 11,131,459, issued on Sep. 28, 2021.
Prior Publication US 2021/0404661 A1, Dec. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. F23R 3/28 (2006.01); F23R 3/14 (2006.01); F23R 3/34 (2006.01); F23R 3/12 (2006.01)
CPC F23R 3/286 (2013.01) [F23R 3/12 (2013.01); F23R 3/14 (2013.01); F23R 3/343 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An air mixer comprising:
an annular body defining a center axis; and
a plurality of slots defined in the annular body circumferentially spaced apart from one another, wherein each slot defines a respective center injection axis extending from an outer surface of the annular body to an inner surface of the annular body, wherein each respective center injection axis is parallel to a respective plane bisecting the annular body, wherein at least one of the slots is intersected by the respective bisecting plane parallel to its respective center injection axis, wherein at least one of the center injection axes is at an oblique angle relative to the center axis of the annular body.