US 9,810,427 B2
Fuel nozzle with hemispherical dome air inlet
Luiz Claudio Fernandes, Palm Beach Gardens, FL (US); Brian Richardson, Jupiter, FL (US); Peter Stuttaford, Jupiter, FL (US); Sumit Soni, Jupiter, FL (US); David Schlamp, Jupiter, FL (US); Chiluwata Lungu, Atlanta, GA (US); Justin Bosnoian, Juno Beach, FL (US); Nicolas Demougeot, Stuart, FL (US); Kevin B. Powell, Jupiter, FL (US); Brandon Hill, Jensen Beach, FL (US); and Marc Paskin, Parkland, FL (US)
Assigned to ANSALDO ENERGIA SWITZERLAND AG, (CH)
Filed by ANSALDO ENERGIA SWITZERLAND AG, Baden (CH)
Filed on Mar. 26, 2015, as Appl. No. 14/669,083.
Prior Publication US 2016/0281979 A1, Sep. 29, 2016
Int. Cl. F23R 3/28 (2006.01); F23D 14/02 (2006.01); F23D 14/34 (2006.01); F23D 14/58 (2006.01); F23R 3/14 (2006.01); F23R 3/26 (2006.01)
CPC F23D 14/02 (2013.01) [F23D 14/34 (2013.01); F23D 14/58 (2013.01); F23R 3/14 (2013.01); F23R 3/26 (2013.01); F23R 3/286 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An air conditioning screen for use in a fuel nozzle assembly comprising:
a substantially hemispherically-shaped dome comprising:
an inner wall;
an outer wall; and,
a plurality of openings extending from the outer wall to the inner wall and angled in a downstream direction having both an axial and radial component;
wherein the substantially hemispherically-shaped dome encompasses an air inlet region of a fuel nozzle assembly, wherein at least one of the plurality of air openings has a length and a diameter, with the length greater than the diameter, and wherein the substantially hemispherically-shaped dome extends between a base of the fuel nozzle assembly and proximate a premix tube of the fuel nozzle assembly.